The testo 174H is a compact temperature and humidity data logger designed for reliable indoor climate monitoring and documentation. It helps users track storage conditions for sensitive goods,&nbsp;monitor&nbsp;room climate in offices,&nbsp;museums&nbsp;or archives, and verify temperature/humidity levels during transport or warehouse storage. With precise measurements, long-term&nbsp;recording&nbsp;and easy data analysis, it provides&nbsp;clear evidence&nbsp;when environmental conditions must be controlled.&nbsp; 
Also available in black.

The testo 174H is a compact temperature and humidity data logger designed for reliable indoor climate monitoring and documentation. It helps users track storage conditions for sensitive goods,&nbsp;monitor&nbsp;room climate in offices,&nbsp;museums&nbsp;or archives, and verify temperature/humidity levels during transport or warehouse storage. With precise measurements, long-term&nbsp;recording&nbsp;and easy data analysis, it provides&nbsp;clear evidence&nbsp;when environmental conditions must be controlled.&nbsp; 
Also available in&nbsp;white.

The testo 174 H BT is a compact Bluetooth temperature and humidity data logger designed for reliable climate monitoring and easy data access via the testo Smart App. It helps users&nbsp;monitor&nbsp;storage and transport conditions, verify indoor climate in rooms or workspaces, and document humidity-sensitive environments such as archives, warehouses, or laboratories. Its small size,&nbsp;accurate&nbsp;sensors, and app-based operation make climate data recording simple and efficient.

The testo 174 H BT is a compact Bluetooth temperature and humidity data logger designed for reliable climate monitoring and easy data access via the testo Smart App. It helps users&nbsp;monitor&nbsp;storage and transport conditions, verify indoor climate in rooms or workspaces, and document humidity-sensitive environments such as archives, warehouses, or laboratories. Its small size,&nbsp;accurate&nbsp;sensors, and app-based operation make climate data recording simple and efficient.&nbsp; 
Also available in white.

The testo 174 T is a compact temperature data logger designed to continuously&nbsp;monitor&nbsp;and document temperature conditions with reliable, easy-to-read measurement data. It helps users verify cold chain compliance during storage and transport,&nbsp;monitor&nbsp;room&nbsp;or warehouse temperatures, and protect temperature-sensitive goods such as food, pharmaceuticals, or laboratory samples. Its small size, robust design, and straightforward data analysis make temperature&nbsp;monitoring&nbsp;simple and dependable.&nbsp; 
Also available in black.

The testo 174 T is a compact temperature data logger designed to continuously&nbsp;monitor&nbsp;and document temperature conditions with reliable, easy-to-read measurement data. It helps users verify cold chain compliance during storage and transport,&nbsp;monitor&nbsp;room&nbsp;or warehouse temperatures, and protect temperature-sensitive goods such as food, pharmaceuticals, or laboratory samples. Its small size, robust design, and straightforward data analysis make temperature&nbsp;monitoring&nbsp;simple and dependable.&nbsp; 
Also available in white.

The testo 174 T BT is a compact Bluetooth temperature data logger designed for continuous temperature monitoring and simple data access via the testo Smart App. It helps users document cold chain conditions during storage and transport,&nbsp;monitor&nbsp;temperatures in rooms, warehouses, or refrigerators, and protect temperature-sensitive products such as food, pharmaceuticals, and laboratory samples. Its wireless operation makes checking and analysing temperature data quick and convenient.&nbsp; 
Also available in black.

The testo 174 T BT is a compact Bluetooth temperature data logger designed for continuous temperature monitoring and simple data access via the testo Smart App. It helps users document cold chain conditions during storage and transport,&nbsp;monitor&nbsp;temperatures in rooms, warehouses, or refrigerators, and protect temperature-sensitive products such as food, pharmaceuticals, and laboratory samples. Its wireless operation makes checking and analysing temperature data quick and convenient.&nbsp; 
Also available in white.

Lithium battery CR2032 button cell suitable for testo 174 data loggers, for example. Please order 2 batteries for the testo 174 data logger.