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Palmer Wahl 329A | 392A Series Heat-Prober Platinum RTD Meter | -60 to 752°F
Listed under part number 329A, this is the Palmer Wahl 392A series Heat-Prober handheld platinum RTD meter. Paired with an interchangeable RTD probe that uses a 0.176 in bantam phone plug, it gives laboratory-level accuracy in the plant or field and can serve as an in-house standard for checking other thermometers or calibrating inside thermowells. Ranges are -60 to 752°F, -51 to 400°C, or dual scale.
Key features
- Meter accuracy ±0.1°F/°C ±1 digit
- System accuracy greater of ±0.3°F or ±0.5% of reading with a 202 probe
- Repeatability ±0.2°F
- Red LED (0.33 in) or LCD (0.4 in) display
- Peak hold; checked with CAL392 calibrators
Fahrenheit, Celsius and dual-scale models are offered with a NiCad pack and LED or LCD display, or with a 9 V alkaline battery and LCD. The meter comes with its battery, a recharger where applicable and a wrist strap.
- Specifications
- Downloads
| Part Number | 329A |
| Brand | Palmer Wahl |
| Sensor Input | Platinum RTD |
| Range | -60 to 752°F / -51 to 400°C |
| Meter Accuracy | ±0.1°F/°C ±1 digit |
| System Accuracy | Greater of ±0.3°F or ±0.5% rdg (with 202 probe) |
| Repeatability | ±0.2°F |
| Ambient Operating | 0 to 130°F (-18 to 55°C) |
| Noise Rejection | >40 dB at 60 Hz |
| Probe Connector | 3-conductor 0.176 in bantam plug |
| Power | 6.25 V NiCad or 9 V alkaline |
| Battery Life | Approx. 8 h |
| Weight | NiCad 340 g; 9 V 198 g |
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