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Palmer Wahl TM630A | Pocket Thermocouple and RTD Thermometer | 0.02% Accuracy, IP54
The Palmer Wahl TM630A is a pocket thermometer that reads both RTD and thermocouple probes, with 0.02% of reading accuracy. It automatically detects 2, 3 or 4-wire RTDs, and its IP54 housing suits on-site metrology and control work. Advanced functions include stored calibration data for sensors, scaling to correct probe errors, and manual, event-triggered or automatic data recording.
Key features
- Thermocouple types K, T, J, E, R, S, B, U, L, C, N, Platinum, Mo, NiMo/NiCo
- RTD via Lemo 4-pin; thermocouple via mini compensated connector
- Programmable resolution down to 1 mΩ or 1 µV
- Graphical backlit LCD in °C, °F, mV and Ω; five menu languages
- Hold, min/max/average statistics and filter
- Works with Palmer Wahl TMA RTD probes and TC thermocouple probes
- Specifications
| Part Number | TM630A |
| Brand | Palmer Wahl |
| Inputs | RTD (2/3/4-wire) and thermocouple |
| Accuracy | 0.02% of reading (RTD, 4-wire) |
| CJC Accuracy | ±0.3 °C |
| Temperature Coefficient | 15 ppm/°C (TC); 10 ppm/°C (RTD) |
| RTD Connector | Lemo 4-pin |
| TC Connector | Mini compensated |
| Display Units | °C, °F, mV, Ω |
| Power | 4 x AA, approx. 40 h |
| IP Rating | IP54 (EN 60529) |
| Operating Conditions | -10 to 50 °C, 20 to 80% RH |
| Dimensions | 157 x 85 x 45 mm |
| Weight | 306 g |
| Supplied With | Protective boot, 4 AA batteries, wrist strap |
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