Sauermann Humidity transmitters HST

Sauermann Humidity Transmitter HST

The Sauermann HST is a compact humidity and temperature transmitter equipped with an integrated alarm system, making it ideal for applications where environmental thresholds must be monitored in real-time. It features a 1-line display for clear readings, along with a red LED indicator and a built-in buzzer to alert users when measurements exceed set limits. Its robust design and compliance with international standards ensure reliability in demanding environments.

Features

• Measures both humidity and temperature

• Integrated red LED and buzzer alarm (70 dB at 10 cm)

• 1-line display for straightforward monitoring

• RCR relay output for direct control of external devices

• Compatible with 24 Vac/Vdc power supply systems

• Durable construction for industrial and commercial use

Applications

• HVAC system performance monitoring

• Cleanroom and laboratory climate control

• Industrial process humidity supervision

• Storage facility and archive environmental protection

Specifications

• Units: °F, °C, % RH

• Parameters: Humidity, temperature

• Display: 1-line display

• Power supply: 24 Vac/Vdc

• Relay: RCR relay output 3 A / 230 Vac

• Standards: UKCA, 2011/65/EU RoHS II, 2012/19/EU WEEE, 2014/30/EU EMC, 2014/35/EU Low Voltage

• Dimensions: 90 × 46 × 109 mm

• Operating temperature: 0 to 50 °C

• Storage temperature: -10 to 70 °C

Conclusion

The Sauermann HST combines accurate humidity and temperature measurement with an effective built-in alarm system, making it ideal for environments where maintaining specific climate conditions is critical. Its compact form factor, clear display, and reliable relay output make it a practical choice for continuous environmental monitoring.