- Wide Temperature Range: Covers a broad temperature range from -95°C to 140°C, suitable for a wide variety of applications, including those requiring low-temperature calibration.
- Portability: Remains compact and portable, allowing for on-site calibrations at various locations.
- Powerful, easy-to-use, high-accuracy temperature calibrator
- Test and calibrate temperature sensors and transmitters
- Measures 4 to 20 mA loops and can provide loop power
- Measures RTDs, thermocouples, ohms, and volts
- Source/simulates thermocouples, RTDs, volts, and ohms
- Exceptional stability (±0.005 °C) and axial uniformity (±0.02 °C over a 60 mm zone).
- Immersion depth to 203 mm (8 in)
- Optional ITS-90 reference input reads PRTs to ±0.006 °C
- Wide Temperature range from –45 °C to 700 °C
- Calibration of both temperature and pressure transmitters
- Measure/source/simulate mA loop parameters
- Measure and source mA, Volts DC, frequency, and resistance
- Built-in 24 V loop power supply
- 5608: –200 °C to 500 °C (80 mm minimum immersion)
- 5609: –200 °C to 670 °C (100 mm minimum immersion)
- ± 0.01 short-term stability
- Calibration not included, NVLAP-accredited calibration optional, lab code 200348-0
- Dry-well reference with 90 ° bend
- Highly accurate thermo hygrometer and humidity monitor.
- Measure temperature to ± 0.125 °C and humidity to ± 1.5% on two channels.
- Offers networking capabilities via Ethernet or RS-232, connect multiple Fluke 1620s.
- Powerful logging and analysis tools, including the LogWare III software for real-time logging, data storage, and integration with MET/CAL® software.





