Check the listing for details. THP-W TEMP/HUMIDITY PROBE MONARCH. Condition: New. Listed at 300.00 USD. The THP-W Temp/Humidity Probe by Monarch is a high-quality sensor designed to measure both temperature and humidity levels accurately. This probe is ideal for industrial automation and motion control systems, as well as for various business and industrial applications. With a focus on precision and reliability, the Monarch brand ensures that the THP-W probe will deliver accurate readings for temperature and humidity, making it a valuable tool for monitoring and controlling environmental conditions in a wide range of settings.