Sauermann KCC320 Data Logger 4 Sensors Temperature Humidity CO2 and Atmospheric Pressure datalogs and measures CO2, temperature, humidity, and atmospheric pressure.

Sauermann KH220-N Multifunction Datalogger Temperature Humidity and 5 Other Parameters records up to 1 million data points. The Sauermann KH220-N datalogs temperature, humidity, and light readings via its internal sensors, but it can also datalog via external probes that measure temperature, humidity, current, voltage, pulse, water pressure, and light readings.

Sauermann KH220-O Multifunction Datalogger Temperature Humidity and 6 Other Parameters records up to 1 million data points. The Sauermann KH220-O datalogs temperature, humidity, and light readings via its internal sensors, but it can also datalog via external probes that measure temperature, humidity, current, voltage, pulse, water pressure, and light readings.

Sauermann KT220-N Multifunction Datalogger Temperature and 5 Other Parameters records up to 1 million datapoints. The Sauermann KT220-N datalogs temperature readings via its internal temperature sensor, but it can also datalog via external probes that measure temperature, humidity, current, voltage, pulse, and water pressure.

Sauermann KT220-O Multifunction Datalogger Temperature and 5 Other Parameters records up to 1 million datapoints. The Sauermann KT220-O datalogs temperature readings via its internal temperature sensor, but it can also datalog via external probes that measure temperature, humidity, current, voltage, pulse, and water pressure.

General Tools HT08 Mini RH Temperature GPP USB Datalogger is a convenient portable datalogger for measuring and recording ambient temperature, RH and GPP making it an ideal solution for water damage restoration, process control and environmental monitoring.

Supco IAQ50 Mounted Digital CO2 Monitor is an all in one meter for any air testing needs.

Supco IAQ55 Compact Indoor Air Quality Meter is an all in one handheld meter for any air testing needs.

Supco EM5 Digital Environmental Multimeter with 5 Parameters is the perfect multimeter for various situations. The EM5 combines the 5 key environmental readings: sound, light, air flow, air velocity, temperature, and humidity.

This high-quality Testo 635-1 Digital Thermal Hygrometer is capable of measuring both temperature and humidity; with functions for measuring air humidity, material moisture, u-value, and dew-point in compressed air systems.