Simple to use: A portable, four channel datalogger designed for easy setup and operation. It can directly connect to over 25 sensors.
High accuracy: Up to +/-0.15°C and +/-0.25% full scale with no calibration.

Stands alone: Does not require a computer while you are logging data.

Quick data transfer: Logged data may be transferred to a PC using a serial cable or modems (cellular or land line). Data transfers do not interfere with any on-going data logging session.

Network: Multiple XR440 Dataloggers can be networked using the M31 Multiplexer.

Ultra Low Power: Log data from all connected sensors for over two years on a single, user-replaceable battery.

Wide Temperature Range: Operates in temperatures from -40 degrees (C or F), to 60 degrees C (140 degrees F). Accessory probes operate over an even wider temperature range.

Free datalogging software: Full featured, easy-to-use Pocket Logger Software is used to operate the XR440 Datalogger and to display logged data in a variety of formats.

Data Formats: A presentation-quality graph displays logged data on your PC. Data may be easily exported to spreadsheet or statistical programs.

Certifications: NIST traceable Certificate of Validation, CE Marked, Three Year Limited Warranty.