TM5120B
24 Hours
365 Days
2mT ~ 3000 mT
Class 1 or 2
AC/DC
G, mT, A/m
TUNKIA
Wooden Box
350 g
China
9030899090
Product Description
TM5120B Hand-held Tesla-Meter



1. Summary
The TM5120B is a portable and multifunctional magnetic field measuring instrument,equipped with a Hall sensor with high sensitivity and low drift. It is applied for measuring the flux density of DC constant magnetic field and AC magnetic field.
2. Features
- Range: 2mT ~ 3000 mT.
- Accuracy: class 1 or 2.
- Switching AC or DC mode
- Unit switch: G, mT, A/m.
- N/S polarity display.
- Relative measurement mode.
- Max. hold function.
- Alarm of exceeding the upper / lower limit.
- Supporting backlight.
- Battery remaining power display.
- Axial, radial probe are optional.
- USB interface.
- Optional magnetic shielding cavity.
3. Application

4. Probe Selection
☆ Optional Radial or Axial Hall Probe | ||
Radial Hall probe | ![]() | ![]() |
Axial Hall probe | ![]() | ![]() |
|
5. Specifications
Range | 30 mT | 300 mT | 3000 mT1st | |
Resolution | 1 μT | 10 μT | 0.1 mT | |
Measuring Range | 2mT~3000mT | |||
Accuracy | Class 1 | DC:±1%,AC:±5% | ||
Class 2 | DC:±2%,AC:±5% | |||
Frequency Range | DC,40Hz~500Hz | |||
Temperature Coefficient | ± 0.1% / K | |||
Zero Drift | ± 0.1 mT/h | |||
Display Digit | 5 | |||
Remark | 1st: Calibration only covers 2.5T |
6. General Specification
Power Supply | 3 AA batteries or USB charging |
Temperature Performance | Operating temperature: 0~50ºC; Storage temperature: -20°C~70°C |
Humidity Performance | Operating humidity: 40%~80% R·H, non-condensing Storage humidity: <95% R·H, non-condensing |
Weight | About 350 g |
Interface | Hall probe input interface, USB interface |
Overall Dimensions | 90mm(W) ×40 mm(D) × 165 mm(H) |
7. Ordering Information

8. Probe Selection
Serial Number | Picture | Name | Specification | Quantity | Remark |
1 | ![]() | TM1100 Hall probe | Radial | 1 | Standard Accessory |
2 | ![]() | TM1110 Hall probe | Axial | 1 | Optional |
Note:The users should indicate the probe in the order contract. |