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TM4830B Fluxgate Magnetometer

The TM4830B is a portable, multi-functional weak field measuring instrument, which can be matched with fluxgate sensors of various specifications and measurement ranges, including single-axis and three-axis fluxgate sensors, which can measure the weak magnetic field.

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Model:
TM4830B
Brand:
TUNKIA

TM4830B Fluxgate Magnetometer

1 Summary

The TM4830B is a portable, multi-functional weak field measuring instrument, which can be matched with fluxgate sensors of various specifications and measurement ranges, including single-axis and three-axis fluxgate sensors, which can measure the weak magnetic field.

2. Features

• Range: 0~ 2000 μT, various of probes are optional.

• Measure XYZ component value, vector value and angle.

• Mainframe voltage measurement up to class 0.005.

• 0.0015 % for the ultra-high precision version.

• The noise of the low noise version is typically < 6 pTrms /√Hz.

• Unit switch: μT, mG .

• Switch 6 / 7 / 8-digits, display.

• AC or DC mode, and AC frequency display.

• Relative measurement mode, offset value (Offset) input.

• Alarm function of exceeding the upper / lower limit.

• Max. / min. hold function.

• Data statistical analysis and trend chart display.

• The integration period (refresh rate): 0.5s to 100s.

• (ultra-) High-accuracy probes support temperature compensation.

• USB, LAN, RS 232 interface.

• LCD touch screen.

3. Application

• Measuring low magnetic field.

• Geological prospecting.

• Fragmentation processing, security check.

• Fault location, research experiment.

• Magnetic shielding evaluation.

• Calibrating low magnetic field sources.

• Detecting magnetic resonance meter.

• Detecting electron microscope.

• Detecting Magnetic field drift.

4. Specifications

4.1 Main Unit (Voltage Measurement)

Range	0 ~ ± 10V
Accuracy ±(ppm of reading + ppm of range) [1]	DC	0.003 % + 0.002 %
	20 Hz~ 45Hz _	0.06 % + 0.04 %
	45 Hz~1k Hz _	0.012 % + 0.008 %
DC Linearity	0.002 %
Display digits	8 digits display
Probe Supply Voltage	± 15V
Data Refresh Time	0.5 s ~ 100 s adjustable
Remark	Note [1] : (ppm = parts per million) (e.g., 10ppm = 0.001%).

4.2 Fluxgate Probe

☆ Miniature Fluxgate Probe
Probe Model	Number of Axes	Range	Noise /√Hz @ 1Hz	Linearity	Frequency Response ( -3dB)
TM1200-100μT	single-axis	100 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz
TM1200-500μT	single-axis	500 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz
TM1200-1000μT	single-axis	1000 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz
TM1200-2000μT	single-axis	2000 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz
TM1230-100μT	three-axis	100 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz
TM1230-500μT	three-axis	500 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz
TM1230-1000μT	three-axis	1000 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz
TM1230-2000μT	three-axis	2000 μT	1.5nTrms	≤ 0.5 %	DC to 400 Hz

☆ High Precision Fluxgate Probe
Probe Model	Number of Axes	Range	Noise /√Hz @ 1Hz	Linearity	Frequency Response ( -3dB)	Orthogonality
TM1200- H -100μT	single-axis	100 μT	≤ 10pT rms	≤ 0.01 %	DC to 1kHz	——
TM1200- HL -100μT	single-axis	100 μT	≤ 6pT rms	≤ 0.01 %	DC to 1kHz	——
TM1200- HL -500μT	single-axis	500 μT	≤ 30pT rms	≤ 0.02 %	DC to 1kHz	——
TM1200- HL -1000μT	single-axis	1000 μT	≤ 50pT rms	≤ 0.02 %	DC to 1kHz	——
TM1230- H -100μT	three-axis	100 μT	≤ 10pT rms	≤ 0.01 %	DC to 1kHz	≤ ±0.2°
TM1230- HL -100μT	three-axis	100 μT	≤ 6pT rms	≤ 0.01 %	DC to 1kHz	≤ ±0.2°
TM1230- HL -500μT	three-axis	500 μT	≤ 30pT rms	≤ 0.02 %	DC to 1kHz	≤ ±0.2°
TM1230- HL -1000μT	three-axis	1000 μT	≤ 50pT rms	≤ 0.02 %	DC to 1kHz	≤ ±0.2°

☆ Ultra-high Precision Fluxgate Probe
Probe Model	Number of Axes	Range	Noise /√Hz @ 1Hz	Linearity	Frequency Response ( -3dB)	Orthogonality
TM1200-S-100μT	single-axis	100 μT	10 ~ 20pT rms	≤ 0.01 %	DC to 3kHz	——
TM1200-S-500μT	single-axis	500 μT	10 ~ 20pT rms	≤ 0.01 %	DC to 3kHz	——
TM1200-S-1000μT	single-axis	1000 μT	10 ~ 20pT rms	≤ 0.01 %	DC to 3kHz	——
TM1230-S-100μT	three-axis	100 μT	6 ~ 10pT rms	< 0.0015 %	DC to 3kHz	≤ ±0.1°
TM1230-S-500μT	three-axis	500 μT	6 ~ 10pT rms	< 0.0015 %	DC to 3kHz	≤ ±0.1°
TM1230-S-1000μT	three-axis	1000 μT	6 ~ 10pT rms	< 0.0015 %	DC to 3kHz	≤ ±0.1°
TM1230-SL-100μT	three-axis	100 μT	≤6pT rms	< 0.0015 %	DC to 3kHz	≤ ±0.1°

Note: [1] The user should indicate it in the order contract or technical agreement.

[2] The corresponding probe is selected according to the measurement of range.

4.3 Magnetic Field Measurement

Range		±100 μT	±500 μT	±1000 μT	±2000 μT
Resolution		0.01 nT	0.01 nT	0.1 nT	0.1 nT
Accuracy ±(ppm of reading + ppm of range) [1]	Ultra High Precision Version	0.12 % + 0.08 %			——
	High Precision Version	0.3 % + 0.2 %			——
	Micro Version	0.6% + 0.4
Remark		The accuracy is the combination of the host and probe.

5. General Specifications

Power Supply	AC ( 220 ± 22 ) V , ( 50 ± 2 ) Hz
Temperature Performance	Working temperature: 0°C～40°C; Storage temperature: -20°C ～ 70°C
Humidity Performance	Working humidity: 40% ~ 85% R·H without condensation Storage humidity: < 90% R H, no condensation
Weight	About. 5 kg
Interface	Fluxgate probe, USB, RS232, analog output, network port
Dimensions	190mm (W) × 300 mm (D) × 200 mm (H)

6. Ordering Information

TM4830B Fluxgate Magnetometer

TM4830B Fluxgate Magnetometer

TM4830B Fluxgate Magnetometer

TM4830B Fluxgate Magnetometer

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