Logging Thermometers at GNW Instrumentation

Our data-logging thermometers capture temperature trends over time with reliable precision. Perfect for HVAC, environmental monitoring, process control, food safety, and research applications.

Featured Models

• Chauvin Arnoux CA 1821: Single-channel thermocouple logger with compatibility for J, K, T, N, E, R, S types. Records up to 1 million points via USB/Bluetooth, with alarm thresholds and backlit display
• Chauvin Arnoux CA 1822: Dual-channel version, supporting two thermocouples simultaneously. Includes min/max/hold, differential measurement, up to 3 years battery life and magnetic casing for fixed mounting
• Chauvin Arnoux CA 1823: Single-channel RTD (Pt100/Pt1000) logger; same rugged features and data capture capability as 1821/1822

Outstanding Features

• Logging capacity: up to 1 million data points with configurable intervals
• Alarms and recording triggers programmable via Data Logger Transfer software
• Wide thermocouple ranges: −210 °C to +1 767 °C, depending on probe type
• USB and Bluetooth® connectivity for seamless communication
• IP54-rated housing with magnet, wall-mount slot, and suspension options
• Battery life: ~1 000 hrs (portable) or up to 3 years (with 15‑min logging interval)
• Additional functions: Min/Max, Differential, Hold, Backlight and auto shut-off

Ideal Applications

Perfect for fixed or portable monitoring tasks—whether on site or in the laboratory—including HVAC systems, process monitoring, food safety, and environmental logging.

Mountable with magnet or wall slot, these loggers provide hands-free operation and robust deployment.

Need assistance with probes, software, or calibration? Contact GNW Instrumentation for expert guidance and support.