The HI765-004F is a calibration check key for thermistor thermometers that use the HI765 series of probes. Designed to simulate -0.4℉ (±0.8℉), this key offers a fast and simple way of checking the accuracy of your instrument.
- -0.4℉ Key Rated Value
- Simple, Quick Verification
- For Thermistors with HI765 Probes