The specified tightness class for data loggers is fulfilled with these probes

Take precise measurements of the humidity and temperature in an area using this hygrometer probe from Testo. For versatility, it's compatible with data loggers from the Testo 174, 175 and 176 series. You can conveniently install this probe with a clamp or PG gland to take long-term measurements.

• Temperature accuracy of ±0.2°C and humidity accuracy of ±2% for reliable measurements
• Compact tip diameter of 12mm to fit into small spaces
• Probe length of 175mm to reach into awkward areas

• Laboratories
• HVAC systems
• Storage facilities
• Food and beverage production

This probe has a broad temperature measuring range between -20°C and +70°C and a humidity measuring range between 0% and 100%RH. This makes it suitable for use in harsh environments.