HK Instruments DPT250-R8-LCD – Differential Pressure Sensor for Air Multi-range differential pressure transmitter with integrated LCD display Key Specifications Feature Specification Medium Air and other neutral, non-combustible gases Selectable Measuring Ranges –25…+25 Pa, –50…+50 Pa, –100…+100 Pa, –250…+250 Pa, 0…25 Pa, 0…50 Pa, 0…100 Pa, 0…250 Pa Output Signal 0–10 V DC or 4–20 mA (user-selectable) Supply Voltage 24 V DC / 24 V AC Display Built-in LCD for real-time differential pressure reading Typical Applications HVAC systems, clean-room pressure control, filter monitoring, fan and duct pressure measurement Mounting Compact housing for easy wall or duct installation Protection Class IP54 (typical, depending on configuration) Summary The DPT250-R8-LCD is a compact, multi-range differential pressure sensor designed for precise low-pressure air measurements. It offers eight user-selectable ranges up to ±250 Pa, operates on 24 V DC/AC, and provides either 0–10 V or 4–20 mA outputs. Its integrated LCD enables quick on-site monitoring, making it ideal for HVAC and building automation applications.