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TM6140B Precision Magnetometer

TM6140Bisahigh-precision, multi-functional magnetic field measuring instrument, equipped with a high sensitivity, low drift Hall sensor and advanced digital signal processing technology. The instrument is applied for measuring themagnetic field density of DC (constant) orAC magnetic field. It can be used as a magnetic field measurement standard to calibrate DC magnetometers.

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  • TM6140B

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TM6140B Precision Magnetometer

TM6140B Precision Magnetometer

1 Summary

TM6140B is a high-precision, multi-functional magnetic field measuring instrument, equipped with a high sensitivity, low drift Hall sensor and advanced digital signal processing technology. The instrument is applied for measuring the magnetic field density of DC (constant) or AC magnetic field. It can be used as a magnetic field measurement standard to calibrate DC magnetometers.


2. Features

Measuring Range: 0 ~ 3000 mT.

Accuracy Class: 0.05.

Switch between DC or AC Mode.

Support Frequency Display.

7-digits Display with a Minimum Resolution of 1 nT.

Unit Switch: G, mT, Oe, A/m.

+/- Polarity Display.

Relative Measurement Mode.

Support Offset Value Input.

Data statistics, Stability Analysis.

Alarm of Exceeding the Upper / Lower Limit.

Probe Temperature Compensation.

Set Magnetic Field Integration Period.

Radial and Axial Hall Probes are optional.

RS 232 Output Digital Signal.

Optional Magnetic Shielded Cavity for Zero Drift Calibration.

Large Size LCD Touch Screen.



3. Specifications

Range


Resolution


Accuracy

±(ppm of reading + μT)

Zero Drift

± μT / h


Temperature Coefficient

±ppm /k


DC

AC ( Effective Value )

3 mT

1 nT

0.1% + 100

1% + 100

15

50

30 mT

10 nT

0.05% + 100

1% + 100

20

50

300 mT

100 nT

0.05% + 100

1% + 200

50

50

3000 mT

1 μT

0.05% + 150

1% + 300

75

50

Remarks:     (ppm = parts per million) (e.g., 10ppm = 0.001%)

② The above uncertainty is the index of the measurement period ≥ 1 s ; if the measurement period is set to < 1 s, the uncertainty will be doubled, for example, the DC uncertainty of the 300 mT range becomes 0.1%*RD + 200μT .

      • Measuring range: 0 ~ 3000 mT, AC frequency range: 1 Hz ~ 400 Hz

Display digits: DC: 7-digits, AC: 5-digits


4. General Specifications

Power Supply

AC ( 220 ± 22 ) V , ( 50 ± 2 ) Hz

Temperature Performance

Operating Temperature: (23 ± 5)

StorageTemperature: -20°C ~ 70°C

Humidity Performance

Operating Humidity: 40% ~ 80 % R·H, non-condensing

Storage Humidity: < 80% R·H, non-condensing

Weight

About 5 kg

Interface

Hall Probe Input Interface, RS232 interface

Dimensions

190 mm ( W ) ×300 mm (D) × 200 mm (H)



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