Bartington Instruments

Added 22 Aug 2026

Manufacturer United Kingdom Listed

49 Products

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About Bartington Instruments

Bartington Instruments manufactures a range of products for space applications.

Company Info

Headquarters United Kingdom

Specializations

manufacturer

Website bartington.com ↗

Products

A desktop-sized, lightweight set of Helmholtz Coils for laboratory and general-purpose use, generating stable magnetic fields in up to three axes.

1 14

Number of Axes	3, 2, or 1
Orthogonality Error	<0.2°
Maximum field (DC single axis) - continuous	1.5mT
Coil homogeneous area (<1% error)	70 mm diameter sphere
Coil homogeneous area (<5% error)	100 mm diameter sphere
Operating temperature	+15 to +30°C
Storage temperature range	+10 to +40°C
Coil Effective Diameter X axis	300 mm ±1 mm
Coil Effective Diameter Y axis	236 mm ±1 mm
Coil Effective Diameter Z axis	266 mm ±1 mm
Dimensions	364 mm H x 309 mm W x 276 mm D
Coil Maximum aperture	120 x 106 mm
Weight	4.5 kg (for 3-axis coil set)
Coil Maximum current - continuous	3.0 A

These small, single axis Helmholtz Coils are designed to generate a magnetic field to calibrate sensors and meters in the field.

1 18

Max field strength	420μT
Mean electrical diameter	78 mm
Number of axes	1
Field/current ratio (main windings)	1 μT/1 mA ±1%
Coil homogeneous area (<0.1% error)	14.5 mm diameter & length cylinder
Coil homogeneous area (<1% error)	22.5 mm diameter & length cylinder
Coil homogeneous area (<5% error)	33.5 mm diameter & length cylinder
Operating temperature	-20 to +60 °C
Storage temperature	-20 to +60 °C
Humidity	Up to 90% RH non-condensing
Coil effective diameter	78 mm
Dimensions	96 mm H x 80 mm W x 73.5 mm D
Coil maximum aperture	64 mm diameter
Weight	111 g
DC resistance per axis	12.5 Ω ±20%
Number of turns (per coil)	43
Inductance per axis	755 μH ±2.5%
Coil maximum current - continuous	200 mA

These 2m three-axis Helmholtz Coils are used in the calibration of magnetic field sensors, and for conducting tests or experiments that require a known magnetic environment.

1 15

Number of Axes	3, 2, or 1
Orthogonality Error	<0.2°
Maximum field DC single axis	1.0mT
Maximum field DC single axis using PA1	300μT
Maximum frequency single axis using PA1	50 Hz
Isolation Voltage	100 V
Coil homogeneous volume (<1% error)	480 mm cube
Coil homogeneous volume (<5% error)	925 mm cube
Operating temperature	+15 to +30°C
Dimensions	2113 mm H x 2043 mm W x 2086 mm D
Coil Maximum aperture	1068 mm x 1045 mm
Weight	235 kg
Maximum Current - Parallel Windings	40 A
Maximum Current - Series Windings	20 A
Maximum Current - Coil Formers	20 A

CryoMag three-axis fluxgate magnetometers are designed for operation at temperatures as low as 2K, making them ideal for use in cryostats for superconducting radio frequency (SRF) cavities, quantum computing, and other ultra-low temperature environments.

1 22

Operating temperature	down to 2K
Noise level	<20pTrms/√Hz at 1 Hz
Frequency response	DC to 1 kHz
Measuring ranges	±70, ±100, ±250 and ±500μT
Number of axes	Three
Analogue outputs	±10 V single-ended
Full Scale Measuring Ranges	±70µT, ±100µT, ±250µT, ±500µT
Scaling calibration error	<0.5%
Linearity error	0.0015% (least squares fit)
Bandwidth (-3dB)	>2 kHz (-11 dB/octave roll-off)
Perming (magnetisation hysteresis)	<2nT at 1x Full-scale, when powered
Orthogonality error between axes	<±0.1°
Excitation breakthrough	<5 mV pk-pk at 15.625 kHz typical
Start-up time	<100 ms
Warm-up time	15 minutes to meet specifications for scaling
Storage temperature range	-40 to +60°C
Vacuum	10e-6 mBar
IP Rating	IP40
Humidity - electronics	Up to 90% RH, non-condensing
Probe Dimensions	21 mm Diameter x 50 mm Long
Dimensions – Electronics Enclosure	25.4 mm Diameter x 220 mm Long
Weight	320 g typical

The CU1 is a control unit designed to interface between a PA1 and a National Instruments™ based control system for Helmholtz coils.

1 14

Supply output (magnetometer)	0 to ±20 V
Supply output current limit (magnetometer)	100 mA
Supply output (auxiliary)	±15 V
Supply output current limit per sensor channel (auxiliary)	50 mA
Operating humidity	0 to 90% RH non-condensing
Maximum operating altitude	2000m
Weight	2.4 kg
Supply voltage	100–240 V AC 50/60 Hz
Working common mode input voltage	±10 V
Absolute maximum input voltage	±15 V
Analogue input (magnetometer/auxiliary sensing)	Up to ±10 V differential or single-ended
Input filter frequencies (magnetometer/auxiliary sensing)	10 kHz, 1 kHz, 100 Hz & 10 Hz
Maximum cable length (magnetometer/auxiliary sensing)	10m
Maximum cable length (NI DAQ interface)	3m

The CU2 Closed-Loop Module provides active compensation for external DC and AC magnetic field variations, compatible with 3-axis Helmholtz coils.

1 12

DC disturbance field attenuation	-46dB ±1 dB
Zero field DC drift over 6 hours	<100nT
Maximum field per axis	<±500μT
System noise	<3nT peak to peak
Bandwidth	DC to 12 Hz -3 dB
Reference magnetometer range	±500μT
Reference magnetometer scaling	20 mV/μT (±10 V full scale)
Warm-up time	30 min
Orthogonality error adjustment range	±1˚ nominal
Gain adjustment range	±10% nominal
Offset adjustment range	±800nT nominal
IP Rating	IP20

DAS1 is a versatile multi-sensor data acquisition system designed to sample and process measurements from multiple Bartington three-axis magnetometers.

1 16

Dimensions	740 mm D x 575 mm W x 424 mm H (1 Decaport, +44 mm for each additional Decaport)
Mass	47.5 kg
Number of input channels	10 three-axis magnetic field sensors
Signal input voltage	±10 V differential or single–ended
Common mode input voltage	±8 V: balanced / differential output sensors
Common mode input voltage (2)	±3 V: single ended sensors
Absolute maximum input voltage	±15 V on any input pin
Sensor power output	±12 V or ±14 V limited to 50 mA per sensor channel
Filter Frequencies	10 kHz ,1 kHz, 100 Hz, 10 Hz
Maximum cable length	1 km
Supply voltage	85 to 264 V AC 50/60 Hz
Power supply current	1100 mA (115 V) / 640 mA (240 V)
Analogue outputs	Balanced ±10 V each leg
Operating temperature	-20ºC to +70ºC
Relative humidity	0 to 90% non-condensing
Dimensions (2)	482 x 44 x 254 mm

DAS3 is a multi-sensor data acquisition system designed to sample and process measurements from multiple Bartington three-axis magnetometers, suitable for applications requiring many sensors.

1 15

Dimensions	740 mm D x 575 mm W x 424 mm H
Mass	>80KG
Number of input channels	10 three-axis magnetic field sensors
Signal input voltage	±10 V
Common mode input voltage	±8 V
Absolute maximum input voltage	±15 V
Sensor power output	±12 V or ±14 V
Maximum cable length	1 km
Power supply voltage	85 to 264 V AC
Frequency	50/60 Hz
Power supply current	1100 mA (115 V)
Operating temperature	-20ºC to +70ºC
Relative humidity	0 to 90%
Dimensions (2)	484 x 44 x 284 mm
Mass (2)	3 kg

Decaport is an analogue interface module with 30 input channels, allowing connection of up to 10 three-axis sensors, primarily intended to support magnetic field sensors.

1 14

Number of input channels	10 three-axis magnetic field sensors
Signal input voltage	±10 V
Common mode input voltage	±8 V
Absolute maximum input voltage	±15 V
Sensor power output	±12 V or ±14 V
Filter Type	Butterworth 2-pole 12 dB per octave low pass
Frequency	10 kHz ,1 kHz, 100 Hz, 10 Hz
Maximum cable length	1 km
Power supply voltage	85 to 264 V AC
Power supply current	1100 mA (115 V) / 640 mA (240 V)
Operating temperature	-20ºC to +70ºC
Relative humidity	0 to 90%
Dimensions	482 x 44 x 254 mm
Weight	3 kg

The DecaPSU is a low noise rack-mounted, mains powered power supply unit and analogue interface for up to ten Bartington Instruments single-axis or three-axis magnetic field sensors.

1 14

Number of inputs	Ten, each for a three-axis magnetometer
Input signal range	±10 V
Filter	Four pole filter, 5 kHz nominal -3 dB frequency
Measurement noise floor	0.2µV/√Hz typical, 0.3µV/√Hz maximum
Linearity	Unity gain from input-gain error <1%
Offset error	<0.5%
Operating temperature	-20°C to +55°C
Storage temperature	-30°C to +70°C
Humidity	0-70% non-condensing
Dimensions	482 x 44x 254 mm
Weight	3 kg
Supply voltage	90 to 264 V AC, 50 to 60 Hz
Common-mode voltage range	±2 V
Signal outputs	±10 V nominal

A handheld wand for removing accumulated magnetic fields from magnetic shields or other equipment that has become magnetised.

1 8

Field generated	±100μT pk-pk at 300 mm
Power	220 V AC line powered
Operating temperature	0 to 30 °C
Humidity	0 – 80% (non condensing)
Dimensions	50 x 390 mm
Supply voltage	220 – 230 V 50/60 Hz
Supply current	1.4 A (max)
Frequency	50/60 Hz

A compact 24-bit digitiser that converts the output signals of most Bartington analogue magnetometers, providing a USB interface to a PC for live readout and logging of digital data.

1 19

Resolution	24-bit
Input Channels	3
Output	USB type-C
OS Compatibility	Windows 10 x64 (version 1607 and later), Windows 11 x64
ADC Sampling Rate	1.024 MHz
ADC data transfer rate	32KHz max for all three channels
ADC anti-alias filter	4.8 kHz ±10% -3 dB point
Scaling Error at 23°C	< ±0.25%
Offset Error at 23°C	<1.5 mV
Bandwidth	Digital – 1 kHz, 3 kHz, 5 kHz -3 dB point, ±10% selectable
Phase delay between all digitized inputs	<1µS
Time base accuracy	±50ppm
Interface	USB 2.0 Hi-Speed, 12MBaud
Operating temperature	0°C to +60°C
Storage temperature	-10°C to +60°C
Dimensions	80 x 35 x 24 mm
Mass	150 g
Supply voltage	5 V ±12%
Output Voltage (to sensor)	±12 V

A single axis fluxgate magnetic gradiometer designed for use alone or as an element in an array for rapid data collection over large areas.

1 14

Resolution	around 50pT/m
Bandwidth	DC to 10 Hz
Range	±100nT/m or ±1000nT/m
Sensor element spacing	1m
Gradient range	±100nT/m or ±1000nT/m full scale
Output	±4 V full scale
Accuracy	±1%
Maximum ambient field	±100µT
Noise	100pT pk-pk max.
Differential Drift	<0.02nT/oC
Dimensions	38 mm diameter x 1052 mm in length
Weight	0.82 kg (1.8lb)
Connector	12 pole Tajimi R04-R12M
Pull-up current (pins 5-11)	0.5 mA

The Grad-13 is a digital three-axis gradiometer providing high resolution vector measurements of magnetic fields on land or in water, ideal for site and downhole surveying, and cable and pipe detection.

1 19

Baselines	500 mm to 1000 mm
Versions	Land and submersible (200m)
Measuring range	±70 or ±100μT
Accelerometer range	±2 g
Gradient noise	<25pTrms/√Hz/m at 1 Hz with 500 mm baseline
Resolution	24-bit oversampled
Number of axes	Three
Sensor Scaling Error	<±0.1%
Sensor Cross-axis Scaling Error	<±0.05%
Total Field Scaling Error (Sensor)	<±0.4%
Total Field Scaling Error (Gradient)	<±0.3%
Bandwidth	>1 kHz
Sensor Noise	<12pTrms/√Hz
Zero Field Offset (Sensor)	<±10nT
Perming (Magnetisation Hysteresis)	<1nT in ±100μT
Orthogonality error between axes	<±0.03°
Start-up/Settling time	15 minutes
Operating temperature	-30°C to +85°C
Storage temperature	-40°C to +85°C

500mm Helmholtz Coil System, generating stable magnetic fields in up to three axes.

1 14

Number of axes	3
Parallelism	<1°
Orthogonality error	<0.1°
Maximum field (DC, X-axis) - continuous	706μT
Operating temperature	+15°C to +30°C
Coil Effective Diameter	507 mm ±1 mm
Dimensions	674 mm H x 584 mm W x 642 mm D
Coil maximum aperture	280 x 220 mm
Weight	43 kg
Field/Current Ratio	35.3μT/A ±4%
DC resistance per axis (with harness)	<0.2Ω
Number of turns (per coil)	10
Inductance per coil	112μH ±5%
Coil Maximum current - continuous	20 A

A 350mm Helmholtz Coil System designed to generate stable and homogeneous magnetic fields in up to three axes for various applications, including satellite sensor calibration.

1 9

Number of axes	3
Parallelism	<±1°
Orthogonality error	<0.1°
Maximum field (DC, Z-axis) - continuous	2.8mT
Coil homogeneous area (<0.1% error)	40 mm diameter sphere
Coil homogeneous area (<1% error)	65 mm diameter sphere
Coil homogeneous area (<5% error)	100 mm diameter sphere
Operating temperature	+15°C to +50°C
Storage temperature	0°C to +50°C

The HC2 Helmholtz Coil System generates stable and homogeneous magnetic fields in up to three axes, comprising a 1000mm diameter HC2 Helmholtz Coil, PA1 and CU1.

1 9

Number of axes	3
Parallelism	<±1°
Orthogonality error	<0.1°
Maximum field (DC, Y-axis) - continuous	446μT
Operating temperature	+15°C to +30°C
Storage temperature	+10°C to +40°C
Dimensions	1226 mm H x 1136 mm W x 1226 mm D
Mass	130 kg
Coil Maximum current - continuous	20 A

A complete control system offering active compensation and orthogonality correction for Helmholtz Coils.

1 14

Field strength	±1mT from DC to 440 Hz
DC disturbance field attenuation	-46 dB ±1 dB
Zero field DC drift over 6 hours	<100nT
System noise	<3nT peak to peak
Bandwidth: HC1, HC2, HC16, & BH1300HF-4-3-A	DC to 12 Hz -3 dB, one pole LPF
Bandwidth: BH1300-C, BHC2000-A	DC to 4 Hz -3 dB, one pole LPF
Reference magnetometer range	±500μT
Reference magnetometer scaling	20 mV/μT (±10 V full scale)
Maximum field per axis	<±500μT (applied and disturbing field combined)
Warm-up time	30 min
Orthogonality error adjustment range	±1˚ nominal
Gain adjustment range	±10% nominal
Offset adjustment range	±800nT nominal
IP Rating	IP20

The Mag-01H Declinometer/Inclinometer system provides rapid, reliable and accurate measurements of the declination and inclination of the geomagnetic field.

1 16

Accuracy	6 seconds of arc
Lifetime	20 hours
Number of axes	One
Measuring range	±0.2mT
Offset in zero field	±1nT
Offset temperature coefficient	0.01nT/°C
Maximum resolution	0.1nT
Operating temperature	0°C to +50°C
Dimensions	155 x 68 x 175 mm
Mass	0.950 kg
Battery	6 V lead acid
Calibration accuracy	0.1%
Collimation error	<20 seconds
Operating temperature (2)	-20°C to +80°C
Mass (2)	250 g
Directional accuracy	3 seconds

A portable, high-performance single-axis fluxgate magnetometer with multiple probes for precision measurements of static and slowly varying magnetic fields.

1 16

Resolution	0.1nT
Measuring range	±0.1nT to ±2mT
Offset control	up to ±90μT in 10μT steps
Bandwidth	0 to 10 Hz, -12 dB per octave roll off (DC for x10 sensitivity)
Offset in zero field	±5nT
Scaling error	±0.25%
Relative humidity	0-90% non-condensing
Dimensions	155 x 68 x 175 mm
Weight	0.95 kg
Power supply	Integral rechargeable lead-acid battery
Battery charger inlet	2.1 mm socket 12VDC 1.0 A
Cable length	5m
Maximum cable length	25m
Linearity	0.01%
Scaling accuracy	±1%
Probe alignment error to case	<0.2º

The Mag-03® is a market-leading range of compact, high-performance three-axis fluxgate magnetometers with integral electronics for precision measurements of static and alternating magnetic fields.

2 18

Noise levels	down to <6pTrms/√Hz at 1 Hz
Measuring ranges	from ±70μT to ±1000μT
Bandwidth	to 3 kHz
Output	three analogue voltages from 0 to ±10 V
Number of axes	Three
Polarity	+ve non-inverting output when pointing North
Scaling error	<±0.5%
Linearity error	<0.0015% (least squares fit)
Frequency response	0 to 1 kHz maximally flat, ±5% maximum at 1 kHz
Perming (Magentisation Hysteresis)	<2nT (at 1 x Full-scale, when powered)
Excitation breakthrough	<20 mV pk-pk at 15.625 kHz typical
Start-up/settling time	15 ms
Warm-up drift	15 minutes to meet specifications for Scaling/Offset
Operating temperature	-20°C to +70°C
Supply voltage	±12 V to ±17 V
Feedback current	1.4 mA/100μT
Output impedance	10 Ω
Maximum Cable Length	600m

These three-axis range fluxgate magnetometers are designed for magnetic signature measurements and marine surveillance, operating over cables up to 2000m and submersible to 100m.

1 21

Measuring range options	±100μT, ±200μT or ±300μT
Bandwidth	DC to 3 kHz
Cable lengths	up to 2 km
Submersible depth	100m
Number of axes	Three
Measuring range	±100μT
Measurement noise floor	<20pTrms/√Hz at 1 Hz
Scaling	100 mV/μT
Scaling temperature coefficient	10ppm/°C
Offset	±30nT
Offset temperature coefficient	±0.2nT/°C
Scaling error	±0.5% at DC
Orthogonality error	<0.2°
Linearity error	<0.0015%
Frequency response	DC to 1 kHz (±5%) at 1 kHz
Hysteresis (when powered) within measuring range	<1nT
Ingress Protection rating	IP68 submersible to 100m
MTBF	75000 hours
Dimensions	582.5 x ø50 mm
Weight	1.1 kg (sensor only)
Supply voltage	+15 V to +30 V

High performance, low noise fluxgate magnetometers for accurate measurements of magnetic fields in various applications, including space.

1 16

Number of axes	Three
Full Scale Measuring Ranges	±70µT ±100µT ±250µT ±500µT ±1000µT
Scaling error	±0.5%
Linearity error	0.0015%
Frequency response at 50µT peak	DC to 1 kHz (±5%)
Noise: Standard	≤10pT rms / √Hz @1 Hz
Zero Field Offset	≤±30nT ≤±40nT ≤±50nT
Orthogonality error between axes	<±0.1°
Supply Voltage	±12 to 17 V
Current Consumption – Positive	35 to 41 mA
Current Consumption – Negative	13 to 17 mA
Analogue Output	±10 V
Output Impedance	10Ω
Operating temperature	-40 to +70°C
Storage temperature	-40 to +70°C
Lifetime	60,000 hours

A low-cost miniature fluxgate magnetometer designed for low-power battery applications and multi-sensor arrays, offering high environmental protection and resistance to shock and vibration.

1 17

Supply Voltage	±5 V
Power Consumption	20 mW
Measuring Range	±100μT
Bandwidth	0 to 30-40 Hz
Number of axes	Three
Polarity	+ve non-inverting output when pointing North
Measurement noise floor	<1.5nTrms/√Hz at 1 Hz
Scaling	45 mV/μT
Scaling temperature coefficient	±50ppm/°C (±10%)
Offset (in zero field)	±500nT
Offset temperature coefficient	±0.2nT/°C
Operating temperature	-32°C to +50°C
Storage temperature range	-40°C to +70°C
Mass	27 g
Enclosure material	Epoxy resin
Connector	14 way, Samtec MTSW-107-08-S-D-340
Analogue output	±4.5 V

Three-axis fluxgate magnetometers operable at up to 215°C, designed to survive high levels of shock and vibration.

1 16

Operating temperature	0°C to +175°C
Bandwidth	>100 Hz
Measurement noise floor	≤300pTrms /√Hz at 1 Hz
Output scaling	113µT/mA typical
Scaling error	±5% at 25°C
Scaling temperature coefficient	<+150ppm/°C
Offset	±500nT max. at 25°C
Offset temperature coefficient	<±1nT/°C
Orthogonality error	<2°
Alignment error to enclosure side	<2°
Frequency response	<1% amplitude error DC to 10 Hz
Hysteresis	<0.1% of range
Storage temperature	0°C to +175°C
Dimensions	23 x 23 x 21.4 mm
Weight	25 g
Recommended excitation frequency	15.625 kHz

This miniature three-axis fluxgate magnetometer is designed for integration into systems requiring precision measurements where space is limited, such as mobile and wearable technology.

1 16

Probe size	20 x 20 x 20 mm
Noise specification	0 – 20pTrms/√Hz at 1 Hz
Number of axes	3
Measuring Range	<±1000μT
Output scaling (feedback)	104μT/mA typical
Frequency Response	<5% amplitude error DC to 1 kHz
Frequency Range	DC – 3 kHz minimum within 3 dB level
Primary resistance (per axis)	7.5Ω ±20%
Primary Inductance (per axis)	650μH ±20%
Secondary Resistance (per axis)	44.5Ω ±20%
Secondary Inductance (per axis)	5.1mH ±20%
Recommended Excitation Frequency	16 kHz nominal
Recommended Excitation Drive Current	75 mA Peak AC-coupled
Zero Field Offset	<±300nT
Offset Temperature Coefficient	<±1nT/°C
Weight	72 g ±7.5 g

An 8-sensor fluxgate magnetometer array designed for magnetic signature analysis of ship and submarine scaled models and simulating closed loop degaussing.

1 18

Range	±300μT or ±500μT
Bandwidth	6 Hz
Number of axes	24 (3 x 8 - Right Hand XYZ co-ordinate system)
Measurement noise floor	<0.5nTrms/√Hz at 1 Hz
Scaling	33 mV/μT (300μT)
Scaling temperature coefficient	<120ppm/°C
Offset	<±250nT
Scaling error	<±2.5%
Orthogonality error	<6°
Positional uncertainty	±0.5 mm
Offset change with pressure	<±0.5nT/bar maximum
Monitor voltage for each three axis sensor	400 mV (±20 mV)
Excitation frequency	57.6 kHz
Signal frequency	115.2 kHz
Sensor active volume	5 mm cube
Operating temperature	-10°C to +40°C
Maximum pressure	<50 bars (in oil pressure tank)
Dimensions	sensor head WxHxL: 8 x 8 x 15 mm

Room Temperature Unpackaged Drive Electronics for the Mag614-FL, designed to survive high levels of shock and vibration.

1 10

Supply voltage	±11 V to ±15.5 V DC
Operating temperature	-40°C to +65°C
Dimensions	90 x 85 x 30 mm
Mass	12.5 g
Analogue output	±10 V
Output impedance	10Ω
Excitation breakthrough	<50mVpk-pk at 32 kHz
Storage temperature	-40°C to +85°C
Dimensions - Electronics	90 x 85 x 30 mm
Mass - Electronics	12.5 g

Three-axis fluxgate magnetometer operating at up to 175 o C, ideal for integration into downhole tools and designed to withstand high levels of shock and vibration.

1 16

Number of axes	Three (right hand XYZ co-ordinate system)
Bandwidth (-3dB)	>3 kHz
Measurement noise floor*	15 to 300pTrms /√Hz at 1 Hz
Output scaling	105µT/mA typical
Scaling error	±5% at 25°C
Scaling temperature coefficient	<+100ppm/°C
Offset	±500nT max. at 25°C, when scaled for 100μT range electronics
Offset temperature coefficient	<±1nT/°C
Orthogonality error	<3° max
Alignment error to enclosure side	<3° target
Frequency response	<5% amplitude error DC to 1 kHz
Hysteresis	<0.1% of range, 10 x range exposure
Operating temperature	-20°C to +175°C
Storage temperature	-40°C to +175°C
Dimensions	24.7 x 19.7 x 11 mm
Weight	27 g (with wires)

This miniature fluxgate magnetometer is designed for integration into systems where space is limited, such as mobile and wearable technologies.

1 20

Small probe size	29x20x11 mm
Noise level	>10pT to ≤50pTrms/√Hz at 1 Hz
Number of axes	Three
Scaling	105µT/mA typical
Scaling Calibration Error	<±5%
Primary Resistance	5.2Ω ±20%
Primary Inductance	140μH ±20%
Secondary Resistance	27.4Ω ±20%
Secondary Inductance	1.2mH ±20%
Recommended Primary Coil Drive Current	130 mA Peak AC-coupled
Recommended Excitation Frequency	32 kHz
Zero Field Offset	±150nT
Perming (Magnetisation Hysteresis)	<0.1% range
Orthogonality error between axes	<2°
Alignment to datum face/s	<3°
Operating temperature	-40°C to +65°C
Storage temperature	-40°C to +70°C
Enclosure Material	Nylon PA2200
Dimensions	29 x 20 x 11 mm
Mass	10 g

A packaged low-noise three-axis fluxgate magnetometer designed to meet the exacting environmental requirements of aerospace applications.

1 16

Number of axes	Three
Full Scale Measuring Range	±75μT
Bandwidth at-3dB	1.1 to 1.3 kHz
Scale factor	7.5nT/mV
Scaling Calibration Error	±0.75%
Linearity Error	<0.0015% of full scale at any point
Frequency Response	±1% DC to 100 Hz
Noise	<8pTrms/ √Hz at 1 Hz
Zero Field Offset	±40nT
Orthogonality error between axes	<1°
Sensor head magnetic signature	<4nT at 25 mm
Lifetime	110,000 hours
Operating temperature	-40°C to +55°C continuous, up to +71°C intermittent (5 mins ON, 15 mins OFF)
Storage temperature range	-62°C to +85°C
Dimensions – Sensor Head	31 x 40 x 40 mm
Dimensions – Electronics	165 x 42 x 43.4 mm

This wide bandwidth fluxgate magnetometer offers measurements from DC to 12kHz of field strengths up to ±100μT, featuring a non-conductive cylindrical enclosure to prevent eddy currents.

1 14

Bandwidth	DC to 12 kHz
Noise level	<20pTrms/√Hz at 1 Hz
Measuring range	±100µT
Environmental sealing	IP65
Offset error	<50nT
Scaling error	±0.5%
Orthogonality error	<0.5°
Frequency response	DC-5 kHz (±5%)
Hysteresis	<5nT at 100μT
Operating temperature	-20°C to 70°C
Dimensions	28.1 x 218 mm
Mass	300 g
Supply voltage	± 15 V to ± 17 V
Interface	±10 V (unbalanced, single ended ref. 0 V)

The Mag644 is a 24mm single axis fluxgate probe, unpackaged and lightweight, designed for integration into various systems.

1 10

Number of axes	One
Fluxgate Length	14 mm
Primary Resistance (Excitation)	8Ω ±1Ω
Primary Inductance (Excitation)	650μH ±100μH
Secondary Resistance (Detection)	45Ω ±1.5Ω
Secondary Inductance (Detection)	5.2mH ±0.4mH
Operating temperature	-20°C to +70°C
Storage temperature range	-20°C to +70°C
Dimensions	24 x 12 x 5 mm
Weight	<6 g

The Mag646 and Mag710 are low cost, compact, and versatile three-orientation fluxgate magnetometers, ideal for OEM system integration and measuring static and alternating fields up to 1mT.

1 21

Frequency response	DC to 1 kHz
Measuring ranges	±100μT , ±200μT, ±500μT or ±1000μT
Fluxgate element orientations	In-line, Diagonal or Right-angle
Number of axes	One
Polarity	+ve output when pointing North
Bandwidth at -3dB	>1 kHz
Measurement noise floor	>10 - ≤25pTrms√Hz @ 1 Hz
Scaling temperature coefficient	±200ppm/°C
Start-up time	15 ms
Warm-up time	15mins
Offset (in zero field)	±100nT
Offset temperature coefficient	<1nT/°C
Scaling error	±5%
Alignment error (to reference face)	<2°
Linearity error	0.01%
Hysteresis	<100nT at full scale
Excitation breakthrough	<20 mV pk-pk at 15.625 kHz typical
Operating temperature	-20°C to +70°C
Storage temperature range	-20°C to +70°C
Dimensions	7 x 25 x 76 mm
Mass	10 g

The Mag648 and Mag649 are compact, low-noise, three-axis fluxgate sensors designed for magnetic field measurements from DC up to 1kHz, ideal for battery-powered applications.

1 20

Power consumption	<15 mW
Noise (low noise version)	<10pTrms/√Hz at 1 Hz
Bandwidth (Mag648)	to 30 Hz
Bandwidth (Mag649®)	to 1 kHz
Measuring range	±60µT or ±100µT
Number of axes	Three (right hand XYZ co-ordinate system)
Polarity	+ve non-inverting output when pointing North
Bandwidth	>1 kHz
Measurement noise floor	≤10pTrms/√Hz at 1 Hz
Scaling	50 mV/μT, 30 mV/μT, 15 mV/μT
Scaling temperature coefficient	100ppm/°C
Start-up time	150 ms
Warm-up time	15mins
Offset (in zero field)	±100nT
Scaling error	±0.5% at DC
Orthogonality error	<1°
Linearity error	0.0033% (least squares fit)
Frequency response (<5% deviation from DC)	DC to 100 Hz
Hysteresis	<2nT at 1 x full scale (when powered)
Excitation breakthrough	<20 mV pk-pk at 8.192 kHz typical

An ultra-low-power magnetic event sensor designed for remote, environmentally rugged locations where battery power is essential.

1 12

Sensitivity	>1nT
Current consumption	<700 µA
Number of axes	2
Full Scale Measuring Range	±60µT
Frequency	0.1 to 5 Hz
Excitation frequency	256 Hz
Start-up/Settling time	<60 s
IP Rating	IP67
Enclosure Material	Die-Cast Aluminium; Painted Black
Dimensions	111 x 83 x 46 mm
Mass	1.5m variant <600 g
Supply voltage	3.5 V to 15 V

The Mag658 is an unpackaged digital three-axis fluxgate magnetometer offering precise vector field measurements and integrated accelerometers for orientation data.

1 16

Number of axes	Three
Measuring range	±524.287µT
Bandwidth	≥15 Hz ±3 Hz
Resolution	62.5pT/bit
Warm up time	15 mins
Offset	±100nT
Scaling error	±0.5%
Data rate	Up to 50 samples/second on all 3 axes
Operating temperature	-30°C to +40°C
Storage temperature	-40°C to +70°C
Lifetime	>1,000,000 hours
Dimensions	50 mm x 20 mm x 128 mm
Mass	~35 g
Supply voltage	+10 to 20 V
Power	1 W nominal
Interface	RS-422

Unpackaged low-noise three-axis magnetometer designed to meet the environmental needs of aerospace, ideal for vector compensation in airborne magnetometry.

1 18

Full-scale range	±75μT
Continuous operating temperature range	-55ºC to +55ºC
Low noise	<5pTrms/√Hz at 1 Hz
Number of axes	Three
Scale factor	7.5nT/mV
Scaling Calibration Error	±0.75%
Scaling Temperature Coefficient	<0.007% of full scale/°C
Linearity Error	<0.0015% of full scale at any point
Frequency Response	±0.75% DC to 100 Hz
Bandwidth at -3dB	1.1 to 1.3 kHz
Zero Field Offset	±40nT
Offset Temperature Coefficient	<0.6nT/°C
Orthogonality error between axes	<1°
Lifetime	115,000 hours
Storage temperature range	-62°C to +85°C
IP Rating (Sensor head)	IP68
Dimensions (Sensor Head)	31 x 40 x 40 mm
Dimensions (Electronics)	55 x 35 x 10 mm

This ultra-low cost unpackaged 3-axis analogue magnetic field sensor is designed for cost-critical applications, allowing users to integrate it into their own systems due to its small form factor.

1 16

Full Scale Measuring Range	100μT
Scaling Calibration Error at 23°C	<±5%
Linearity Error	0.05% FS Range
Frequency Response	DC to 100 Hz
Bandwidth at -3dB	500 Hz minimum
Noise	>10 to ≤150pTrms/√Hz at 1 Hz
Zero-Field Offset	<±1000nT
Orthogonality error between axes	<2°
Warm-up time	60 minutes
Operating temperature	-20°C to +80°C
Dimensions	88 x 18 x 15 mm
Mass	<10 g
Supply Voltage	±12 – 15 V
Current Consumption – Positive	+47 mA typical
Current Consumption – Negative	-2 mA typical
Output Impedance	10Ω

Low power 3-axis magnetometers for surveillance applications, offering high sensitivity magnetic field measurements within a narrow noise band.

1 20

Noise band	≤10pTrms√Hz @ 1 Hz (After magnetic settling time)
Measuring range	±60 and ±100µT
Scaling Calibration Error	±0.5%
Scaling Temperature Coefficient	<135ppm/°C (60μT)
Linearity Error	<0.0033%
Frequency Response	DC to 10 Hz
Bandwidth at -3dB	>30 Hz
Zero Field Offset	<±100nT
Offset Temperature Coefficient	<1.25nT/°C
Perming (Magnetisation Hysteresis)	<2nT at 1 x full scale (powered)
Orthogonality error between axes	<1°
Excitation Breakthrough	<20 mV pk-pk at 8.192 kHz
Start-up time	150 ms
Magnetic settling time	30-60mins
Operating temperature	-40°C to +70°C
Dimensions	29 x 25 x 100 mm
Mass	25 g
Supply voltage	+4.5 V to 15 V
Analogue Output	±3 V
Output Impedance	20Ω typical

The Magmeter-2 is a battery-powered unit designed for rapid monitoring of magnetic fields, providing filtered readings of a magnetometer’s X, Y, and Z outputs on an LCD display panel.

1 20

Resolution (up to ±100μT)	10nT
Resolution (up to ±1000μT)	100nT
Low-pass filtering	9.5 kHz
High-pass filter	0.1 Hz (selectable)
Number of input channels	Three
Voltage input range	±10 V
Bandwidth (-3dB)	DC to 9.5 kHz (DC coupling); 0.1 Hz to 9.5 kHz (AC coupling)
Frequency response (±2%)	DC to 6 kHz (DC coupling) ±2%
Measurement noise floor	<200nV/√Hz at 1 Hz (battery powered)
Linearity	1%
Offset error	0.5% full scale
Operating temperature	0°C to +50°C (0°C to +40°C for charging)
Storage temperature	+5°C to +30°C long term
Humidity	0–90% non-condensing
Dimensions	106 x 63 x 148 mm
Weight	630 g (battery included)
Analogue output voltage	±10 V
Battery life	8 hours (typical)
Battery charging time	<3 hours for full charge
Output Impedance	50Ω per channel

Cylindrical Mumetal magnetic field test chambers designed to attenuate the Earth's magnetic field, enabling precise measurements of remanent magnetism or sensor errors.

1 10

Inner bore diameter (TLMS-C100)	100 mm
Inner bore diameter (TLMS-C200)	200 mm
Internal diameters of shield layers (TLMS-C100)	100 mm, 120 mm, 140 mm
Internal diameters of shield layers (TLMS-C200)	200 mm, 220 mm, 240 mm
Internal length of cylinder (TLMS-C100)	250 mm
Internal length of cylinder (TLMS-C200)	400 mm
Overall size (TLMS-C100)	167 mm x 173 mm x 369 mm
Overall size (TLMS-C200)	272 mm x 289 mm x 519 mm
Weight (TLMS-C100)	6.8 kg
Weight (TLMS-C200)	15 kg

The PA1 Power Amplifier for Helmholtz Coils supplies the necessary current to generate required magnetic fields and applies a DC offset current to cancel ambient magnetic fields.

1 16

Operating temperature	+15°C to +30°C
Coil drive output	±25 V (no load)
Maximum total output	29 A (maximum 20 A per axis)
Storage temperature	+10°C to +40°C
Operating humidity	Up to 90% RH non-condensing
Maximum operating altitude	2000m
Dimensions	6U 19in rack mount box Height: 27 cm Width: 51 cm Depth: 60 cm
Mass	50 kg
Input connector	Hirose RM15TRD-10S
Coils output connector	Neutrik NLT8MPXX Speakon 8 poles
Maximum power consumed	1.5 kW
Control input (maximum voltage)	±10 V
Current monitor output (maximum voltage)	±15 V
Coil drive output (minimum voltage)	±25 V (no load)
Maximum total output current to Helmholtz coils	29 A (maximum 20 A per axis)
Output impedence per individual axis	1.35Ω

A self-contained, portable, and easy-to-use power supply for most Bartington magnetometers, ideal for simple magnetic field measurements and acting as an AC filter for sensor outputs.

1 16

Number of input channels	Three
Voltage input range	±10 V
Frequency response (-3dB)	DC to 9.5 kHz (DC coupling)
Frequency response (-3dB) (AC coupling)	0.1 Hz to 9.5 kHz (AC coupling)
Frequency response error	DC to 6 kHz ±2%
Internal measurement noise floor	<200nV/√Hz at 1 Hz (battery powered)
Internal measurement noise floor (2)	<500nV/√Hz at 1 Hz (with mains charger connected)
Linearity	1%
Offset error	0.5% full scale
Operating temperature	0°C to +50°C (0°C to +40°C for charging)
Storage temperature range	+5°C to +30°C long term
Storage temperature range (2)	-10°C to +50°C short term
Storage temperature range (3)	-20°C to +65°C without batteries
Humidity	0–90% non-condensing
Dimensions	106 x 60 x 148 mm
Mass	615 g (battery included)

A mains powered combined power supply, display, and analogue conditioning unit for laboratory use with compatible Bartington Instruments’ magnetic field sensors.

1 16

Number of input channels	Three (X, Y and Z)
Input signal range	±10 V maximum
Common mode rejection ratio	>70 dB
Low-pass filter	1, 10, 100, 1000 or 10000 Hz
High-pass filter	0 (DC), 0.01 or 1.0 Hz
Gain	1, 50, 100, 300, 500 or 1000
Offset range	±10 V
Thermal drift	≤6 mV/hour
Operating temperature	0ºC to +70ºC
Storage temperature	-20ºC to +70ºC
Humidity	0–90% non-condensing
Dimensions	483 (19” rack) x 88 (2U) x 300 mm
Mass	5.5 kg
Analogue output voltage	±10 V
Power input	110/220 V AC
Power output to sensor	±12 V, ±15 V, ±17 V at 250 mA

A highly capable three-axis fluxgate magnetometer designed for spaceflight applications, particularly suitable for low Earth orbit (LEO) missions where cost is critical.

1 23

Probe Width	20 mm
Thermal Vacuum Testing	<10^-5 mbar
Operating Temperature (Thermal Vacuum)	-30°C to +60°C
Operating Temperature (EMC Approved)	-40°C to +65°C (up to +85°C)
EMC Approvals	BS EN61326
Number of axes	Three
Full-scale measuring range	±60µT
Measurement noise floor	>10 to ≤50pTrms/√Hz at 1 Hz
Offset error	±100nT (max) at 25°C
Scaling temperature coefficient	±100ppm/°C
Calibration error	±0.5%
Orthogonality error	<0.5°
Frequency response	<5% amplitude error DC to 100 Hz
Frequency range to -3dB	DC-1 kHz minimum within -3 dB level
Hysteresis	<0.1% range
Excitation breakthrough	<20 mV pk-pk at 16 kHz
Start-up/settling time	99% of final value in 0.5 s
Operating temperature	-40°C to +65°C
Storage temperature	-40°C to +85°C
Dimensions - probe	20 mm x 20 mm x 20 mm
Dimensions - electronics	90.2 mm x 95.9 mm
Mass	67 g
Supply voltage	5 V and 3.3 V

A highly capable three-axis fluxgate magnetometer designed for a variety of low Earth orbit (LEO) spaceflight missions, especially where cost is critical.

1 3

Sensor Head Width	20 mm
Bandwidth	25-30 Hz -3dB 0°C to +30°C
Noise	<20pTrms/√Hz at 1 Hz

This portable 6-channel 24-bit data acquisition unit is designed for the acquisition and synchronous digitisation of signals from magnetic field sensors, accelerometers or acoustic sensors.

1 16

Number of input channels	Six
Input signal range	±10 V
Input frequency range	Up to 5 kHz
Resolution	24 bit
Sampling interval	100μs (min) to 10 s (max)
Operating temperature	-10ºC to +50ºC
Storage temperature	-20ºC to +70ºC
Humidity	0–90% non-condensing
Dimensions	170 x 112 x 210 mm
Mass	2.85 kg
Interface	USB2
Power output to sensor	±15 V, ±90 mA
Supply voltage	10.8 V
Battery life	8 hours
Battery charging time	10 hours
Input impedance	1MΩ

A 3-Axis fluxgate magnetometer with a DroneCAN (UAVCAN) communication interface, designed especially for use on UAS platforms.

1 16

Number of Axes	Three
Maximum Measuring Range	±105µT
Scaling Calibration Error	<±0.5%
Linearity Error	<0.02%
Bandwidth at -3dB	>300 Hz
Noise Floor	≤20pTrms√Hz @ 1 Hz
Zero Field Offset	<±200nT
Orthogonality	<±0.1°
Start-up/Settling time	<150 ms
Output Data Rate	1 to 200 samples/second
Operating temperature	-40°C to +85°C
Dimensions	110 x 29 x 24 mm
Mass	25 g
Supply Voltage	+4.5 V to +15 V DC
Current Consumption	60 mA
ADC	24-bit

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