- Reference level performance in accuracy, stability and uniformity
- Quick to temperature
- Two-channel readout measures RTDs and TCs, and provides task documentation
- Full HART communicator (PC Option)
- Built in automatic annealing feature (ADT878-700 only)
- ISO 17025-accredited calibration w/data included
- 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
- Dual-zone control
- Full HART field communicator
- Process calibrator option provides a multi-channel readout for a reference thermometer, RTDs and TCs, task documentation, and HART Communication
- Set point control by reference
- Self-calibration feature
- ISO 17025-accredited calibration w/data included
- 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
- Constructed using metal samples with purity of at least 99.9999 % (six 9s) and, in many cases, 99.99999 % (seven 9s).
- Every ITS-90 fixed point available from argon to copper
- Plateaus last days (gallium for weeks and TPW for months).
- Accredited Cell Intercomaparisons available.
- 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
- Accurate, reliable performance from –15 °C to 500 °C
- Small, compact design in a blackbody calibrator
- These blackbody calibrator units feature a temperature controlled measurement surface with a diameter of 2.25 in (57 mm).
- Intuitive, easy-to-read display that indicates when temperature is stable.
- 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.
- Lightweight, portable, and fast
- Built-in two-channel readout for PRT, RTD, thermocouple, 4-20 mA current
- True reference thermometry with accuracy to ±0.01 °C








