TM6140B Precision Magnetometer

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. TM6140B features a Class 0.05 accuracy and can serve as a magnetic field measurement standard for calibrating DC magnetometers of accuracy class 0.2 or lower.
  • TM6140B

  • TUNKIA

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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. TM6140B features a Class 0.05 accuracy and can serve as a magnetic field measurement standard for calibrating DC magnetometers of accuracy class 0.2 or lower.


2. Features

• Measuring Range: 0 ~ 3000 mT.

• Accuracy: 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. Application

☆ As a DC Magnetic Field Measurement Standard

Tunkia TM6140B Precision Magnetometer

• TM6140B can serve as a DC magnetic field measurement standard. It can be used with a precision DC excitation source and a standard electromagnet to establish a magnetometer calibration device.

• It is suitable for the calibration of DC magnetometers with accuracy class 0.2 or lower (magnetic field range: 10 mT to 2.5 T).


4. Appearance

☆ Front Panel

Tunkia TM6140B Precision Magnetometer

S/N

Description

LCD touch screen for intuitive display and easy operation.

Handle for easy carrying of the instrument.

Foldable feet for easy reading.


☆ Rear Panel

Tunkia TM6140B Precision Magnetometer

S/N

Description

Power interface: AC 220V power input interface with switch and fuse.

Control interface: convenient for accessing I/O control signals such as zeroing and resetting

RS232 communication interface: convenient for users to build a fully automatic test system.

Hall probe interface: connect the Hall probe

Casing ground: ensure that the casing is reliably grounded before testing.


5. Specifications

Range

Resolution

Measurement Uncertainty (k=2) A%*RD①+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: ①    RD is the reading value. ②The 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


6. General Specifications

Power Supply

AC (220 ± 22) V, (50 ± 2) Hz

Temperature Performance

Operating Temperature: (23 ± 5) ℃;

Storage Temperature: -20°C ~ 70°C

Humidity Performance

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

Storage Humidity: < 80% RH, non-condensing

Weight

About 5 kg

Interface

Hall Probe Input Interface, RS232 interface

Dimensions

190 mm ( W ) × 300 mm (D) × 200 mm (H)

Tunkia TM6140B Precision Magnetometer


7. Accessory List

No.

Pic

Name

Specification

Qty

Remark

1

Power Cable

AC 220V, 10A

1

Standard Accessory

2

111

High-Precision Hall Probe

3T range / single axis / radial / 2m / DB15 plug

1

Standard Accessory

3

Glass Fuse

1A 250V slow blow

4

Standard Accessory

4

Packing Box

Paper Bag

1

Standard Accessory


No.

Pic

Name

Specification

Qty

Remark

1

TM2800 Magnetic Shielding Chamber

Multiple model available

1

Zero Drift Calibration Optional Accessory

Note: The above accessories need to be purchased separately and must be specified in the order contract.



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