- Precision multifunction, temp, frequency, voltage, and mA calibrator
- Calibrates thermocouples and RTD temperature instruments
- Stores up to eight calibration results in memory for analysis
- Built-in 24 V Loop Power Supply
- Temperature control from 100°C to 1210°C
- Two models to choose from: Reference (ADT878) and Standard (ADT875)
- Display Accuracy of ±1.5°C (ADT878)
- 4 on-board measurement channels (PC option)
- Process calibrator option provides a multi-channel readout for TCs, switches and transmitters, including task documentation and HART communication
- ISO 17025-accredited calibration w/data included
- 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
- On-board automation and documentation
- Metrology performance in accuracy, stability, uniformity, and loading
- 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
- Measure thermocouples, PRTs, thermistors, DC voltage, DC current, and resistance, with up to 40 isolated universal inputs.
- Precision measurements (PRTs ± 0.005 °C, thermocouples: ± 0.5 °C, thermistors: ± 0.002 °C).
- Scan up to 10 channels per second, great for high-speed applications.
- Four operation modes – Scan, Monitor, Measure, Digital Multimeter (DMM), and features real-time color trending for up to four channels.
- Records up to 20 MB of data and setup files to internal non-volatile memory or an external USB drive, with administrator and user profiles for data protection and test traceability.
- 1502A: accuracy up to ±0.006 °C.
- 1504: accuracy up to ±0.002 °C plus ability to measure thermistor temperature sensors.
- 1502A: covers –200°C to 962°C
- 1504: covers 0 to 100°C
- Temperature ranges from –10°C to 375°C.
- Accuracy to ±0.25°C, with stability of ±0.05°C at 0°C.
- Equipped with an RS-232 interface for connectivity.
- Operate in temperatures ranging from -200 °C to 160 °C.
- Accuracy of ± 0.05 °C.
- Both the transition junction and lead wires of these PRTs can withstand the full PRT temperature range.
- Unique probe seal prevents moisture ingress.
- Come with NVLAP-accredited calibration.
- Highly accurate, full-featured , easy-to-use single function RTD temperature calibrator
- Measures and simulates 13 different RTD types and resistance
- Measures 4 to 20 mA signals while simultaneously sourcing a temperature signal
- Comes with a magnetic hanging tool designed in for convenient hands-free operation
- Features configurable 0% and 100% source settings for quick 25% linearity checks








