DABECO Datasheet: High Temperature Humidity Transmitter V251023 Page 1 of 3 Product introduction DB442 transmitter with a feature of Condensation Resistant, it is designed for duct installation in industrial applications where conditions are within the range of 0 to 100 % RH and 0 to 200°C. The probe can survive exposure to temperature up to 200°C. Besides of equipped with an aluminum enclosure and a 316L probe, a special design of condensation resistant enable the DB442 transmitter can measure relative humidity, absolute humidity, temperature, volume ratio, mixing ratio and dew point in the high moisture industrial environments for textile printing and dyeing, papermaking, shaping and drying, tunnel drying, ceramic production, rubber production, steam pipelines, constant temperature test chambers, hydrogen fuel cells and other industries . High moisture conditions, such as printing and dyeing plants, textile mills, rubber factories, paper mills, ceramic factories, stenter machines, steaming machines, tunnel dryers, high and low temperature test chambers, drying ovens, hydrogen fuel cells, etc. • Unique anti-condensation design: Can be applied to measurement in high-humidity environments and condensation-prone environments. • Full-range measurement: 0~100% RH (relative humidity); • On-site calibration available; • Optional 4~20mA current signal output: For temperature, humidity, dew point, mixing ratio, absolute humidity, etc.; • Accurate measurement: The sensor is equipped with an original Swiss measurement chip, ensuring extremely high measurement accuracy; • Wide measurement range: Temperature measurement range up to -40~200°C; • Digital interface: Equipped with a RS485 digital interface, enabling functions such as real-time communication, precision calibration, and multi-point monitoring; • Customizable pressure resistance: With pressure resistance of 0.4MPa.

DABECO Datasheet: High Temperature Humidity Transmitter V251023 Page 2 of 3

DB442 Datasheet：High Temperature Humidity Transmitter V251023 Page 3 of 3 Stem length: 400mm standard, upto 800mm