<p>HIH-4021-004 Humidity Sensor comes in a molded thermoset plastic housing with an integrated circuit. It is chemically-resistant and offers laser-trimmed interchangeability. This Honeywell sensor also comes with enhanced accuracy and a fast response time. The HIH-4000 series sensors are designed to deliver instrumentation-quality RH (Relative Humidity) sensing performance. These sensors have near linear voltage output which provides direct input to a controller or other devices.</p> <p>Temperature and Humidity sensors are used to provide an indication of the moisture levels in the environment and are very useful for industry processes. Honeywell Humidity Sensor HIH-4021-004 is used in a variety of applications such as refrigeration equipment, HVAC equipment, medical equipment, drying, meteorology, battery-powered systems, and OEM assemblies.</p>