Description
The 5609-12-B pairs the 12 in (305 mm) sheath option (12) with termination code B, bare wire. The Fluke Calibration 5609 is a secondary reference platinum resistance thermometer for calibration work from cryogenic to high temperatures. Its quarter-inch sheath allows accurate readings with modest immersion depth, and it is offered in several straight and bent lengths. Each version ends in a termination suited to a specific readout or calibrator. Temperature calibration labs and metrology technicians use it as a reference standard when comparing industrial sensors in baths, dry-wells and furnaces.
Key features
- Wide range from -200 °C to 670 °C
- Quarter-inch (6.35 mm) sheath diameter
- Multiple sheath lengths, including a bent-stem version
- Selectable terminations for different readouts and calibrators
- Good short-term stability for reference use
Typical applications
- Comparison calibration of temperature sensors
- Reference probe for dry-wells and calibration baths
- Temperature metrology laboratories
Specifications
| Brand | Fluke Calibration |
|---|---|
| Model | 5609 |
| Order code | 5609-12-B |
| Product type | Secondary Reference PRT |
| Sheath length | 12 in (305 mm) |
| Termination | Bare wire (B) |
| Temperature range | -200 °C to 670 °C |
| Sensor type | Platinum resistance thermometer (PRT) |
| Sheath diameter | 6.35 mm (1/4 in) |






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