Comet U7844M IoT Wireless Four Channel Datalogger with Pulse and 2 state inputs, with Built-in GSM M

comet U0843M Two-channel binary-input thermometer forexternal probes

Comet U4440M IoT Wireless Temperature, Relative Humidity, CO2 and Atmospheric Pressure Datalogger

Comet U3631M Compact thermometer – hygrometer withtemperature and relative humidity sensor external

Comet U3121M IoT Wireless Temperature and Relative Humidity Datalogger for External Probe

Comet U3120M IoT Wireless Temperature and Relative Humidity Datalogger, with Built-in GSM modem

Comet U0141M IoT Wireless Temperature Datalogger for 4 External probes, with Built-in GSM Modem

Comet U0110M IoT Wireless Temperature Datalogger with built-in sensor and GSM modem

Comet U7844 Four channel data logger with pulse and two-state inputs

Comet U6841 Data Logger for 3 Current Inputs 0-20mA and 1 Two-state Input