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PORTABLE DC MAGNETIC FIELD MEASUREMENT
The TES10A is a handheld Gauss/Tesla tester for measuring DC magnetic fields in laboratory, production, and field settings. Its compact body and polarity indication support convenient checks of permanent magnets and other magnetic materials. Selectable measurement ranges cover fields up to 2,000 mT, with readings displayed in mT.
1. Two selectable ranges — measures DC magnetic fields in 0–200.0 mT and 0–2,000 mT ranges
2. Polarity indication — indicates the polarity of the measured magnetic field
3. Compact handheld design — small and light for convenient carrying and field use
4. Hall probe options — supports axial or transverse Hall probes
5. Flexible power — operates on four AA batteries or a 6 V DC adapter
The instrument is supplied with a Hall probe and a power adapter, and the battery compartment takes four AA cells for cordless operation.
Battery compartment with four AA batteries | 
Measurement probe and power adapter | 
Carrying case for storage and transport |
| Measurement range | 0–200 mT; 0–2,000 mT |
| Accuracy | ±2% from 0–999 mT; ±5% from 1,000–2,000 mT |
| Resolution | 0.1 mT; 1 mT |
| Magnetic field type | DC |
| Display and polarity | 3½-digit digital display; mT; field polarity indication |
| Probe options | Axial or transverse Hall probe |
| Power supply and autonomy | 6 V DC adapter or 4 × AA batteries; more than 50 hours of continuous use (manual specification) |
| Operating environment | −10 to 40 °C (14 to 104 °F); 35–75% RH (manual specification) |
| Temperature error | −0.06% per °C (−0.033% per °F) (manual specification) |
| Dimensions and weight | 150 × 70 × 30 mm; 450 g |
1. Select the range first — match the range to the expected field strength before taking a reading
2. Surface measurement — place the Hall probe chip side against the magnetic surface for a reading closer to the measured value
3. Polarity — the instrument displays field polarity, and probe orientation affects the polarity indication
4. Unit conversion — 1 mT = 10 Gs
| Magnetic field | TES10A | TES10B | TES10C |
| Field type | DC | DC | DC and AC |
| Display units | mT | mT and Gs | mT and Gs |
| Resolution | 0.1 mT, 1 mT | 0.01 mT, 0.1 mT | 0.01 mT, 0.1 mT |
| Accuracy | ±2% / ±5% | ±1% / ±2% | ±1% / ±2% |
The model differences above are based on the supplied product data. Accuracy values are reproduced as listed; separate range breakpoints for the TES10B and TES10C accuracy values were not specified.
💡 Need a Gauss meter for magnetic field checks?
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