Meters
Tesla Meter / Gauss Meter – TM-901EXP
High-Precision Magnetic Field Measurement Instrument
The Ultimate Standard in Precision Magnetic Analysis
Measure DC and AC magnetic fields with industry-leading accuracy using the TM-901EXP Tesla Meter—a trusted choice for engineering, research, and quality control.
High-Resolution Hall-Effect Precision for Micro-Magnetic Analysis
The TM-901EXP is equipped with a highly sensitive Hall probe, engineered to detect even subtle magnetic field variations across a wide frequency range (40–500 Hz).
Model Features
Technical Specifications
| Technical specification | ||||
|---|---|---|---|---|
| Model | TM-901EXP | Function | Zero reset Max. detect value hold | Polarity indication Auto power off (can be canceled) |
| Detecting Contents | DC magnetic flux density AC magnetic flux density polarities ( N, S ) ( 40-500Hz ) | Output | USB communication port /output(analog) | |
| Measuring | mT | Mode | Detection value Numeric value (digital) Polarity Alphabets (N/S) | |
| Indication Range | 0～3000.0mT | Operating Temperature | 0～＋40 ℃ | |
Measuring
Technical Specifications
| Measuring | Measuring Mode | Measuring Range | Resolution Analytical Ability | Indication Accuracy | Display | LCD |
| DC×1 ※1 | 0～200.0mT | 0.1 mT | ±(5％of rdg.＋ 3digit ) | Power Source | Battery SUM-3 (1.5 V) X 4 pieces DC5-6V adapter input/ USB | |
| 200.1～3000.0mT | 1 mT | ±(5％of rdg.＋10digit ) | ||||
| DC×10 | 0～300.00mT | 0.01 mT | ±(3％of rdg.＋ 5digit ) | Dimension | Height 140(5.51) X width 64(2.51) X thickness 30(1.18) | |
| AC ※1 | 0～150.00mT | 0.01 mT | ±(5％of rdg.＋20digit) | Mass | Approx. 250 g/0.55 lb (including batteries and probe) | |
| 150.1～300.0mT | 0.1 mT | |||||
| 301.0～1500.0mT | 1 mT | Accessories | Probe, batteries and carrying case | |||
| ※1The measuring ranges are automatically selected | Option | Axial probe (TM-801AXL) Reference magnetic field for Tesla Meter(TM-SMF) | ||||
Key Features
1
Measures both DC and AC magnetic flux density
2
Wide range: 0 – 3000 mT (0 – 30,000 Gauss)
3
High resolution: up to 0.01 mT (0.1 G)
4
USB output for data logging and PC connectivity
5
3-way power source: Battery, AC adapter, and USB
6
Auto power-off to conserve energy
7
Durable sheet key design for high dust resistance
8
Replaceable Hall probe—no calibration required
9
Includes free PC software for measurement analysis
Key Applications
1
Measurement of DC & AC magnetic fields (40–500 Hz)
2
Polarity detection of DC magnets (N/S)
3
Evaluating magnetic rollers (e.g., in laser printers)
4
Detecting residual magnetism in mechanical parts
5
Measuring natural magnetism in steel and alloys
6
Testing superconductive magnet leakage fields
7
Validating magnetic field strength in motors, sensors, and home appliances
8
Quality control in automotive and industrial manufacturing
What's in the Box
1
TM-901EXP Tesla Meter
2
Standard Hall Probe
3
4 × AA Batteries
4
Durable Carrying Case
5
USB Cable
6
Free PC Software
Frequently Asked Questions
Both terms are used interchangeably. Tesla (T) and Gauss (G) are units of magnetic flux density. 1 T = 10,000 G.
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