HONEYWELL HIH-4000-004 Humidity Sensor, 5.8V, SIP, 3.5% Accuracy

The HONEYWELL HIH-4000-004 is a high-accuracy relative humidity sensor designed for demanding original equipment manufacturer (OEM) applications. Its near-linear voltage output allows for direct interfacing with a controller or microcontroller, simplifying system design and integration. Engineered for efficiency, it features a remarkably low typical current draw of just 200µA, making it an excellent choice for battery-powered and low-drain portable systems.

A key benefit for OEMs is the tight sensor interchangeability achieved through laser trimming, which significantly reduces or completely eliminates production-line calibration costs. The sensor delivers stable, low-drift performance with a fast response time, ensuring reliable and consistent readings over its operational life.

Key Features & Applications

• High Accuracy: Delivers a maximum accuracy of ±3.5% RH for precise humidity monitoring.
• Low Power Consumption: Typical supply current of 200µA ideal for battery-operated devices.
• Robust Housing: Encased in a molded thermoset plastic housing that offers chemical resistance.
• Wide Operating Range: Functions effectively from 0% to 100% relative humidity and across a temperature range of 0°C to 100°C.
• Fast Response: Features a maximum settling time of 70ms and a response time of 15 seconds for timely measurements.
• Stable Performance: Exhibits typical hysteresis of 3% RH and excellent repeatability of ±0.5% RH, with long-term stability of 1.2% RH at 50% RH.

This sensor is supplied in a single in-line package (SIP) with a 2.54mm pitch for straightforward through-hole mounting. It is perfectly suited for a wide array of applications including refrigeration and HVAC equipment, medical devices, drying processes, metrology instruments, and various OEM assemblies. Please note: this is an ESD-sensitive device; proper handling precautions must be taken.