USER-FRIENDLY MEASURING DEVICES air flow and velocity transmitters dpt-flow-batt Multifunctional air flow meter for building automation systems where electricity is not available The DPT-Flow-Batt series air flow transmitters are engineered for building automation in the HVAC/R industry. The most technologically advanced transmitters on the market, measuring volume flow, velocity, and static and differential pressure. The DPT-Flow-Batt series devices can be connected directly to the pressure measurement points in a centrifugal fan, providing accurate flow measurement of the fan. The smart user interface enables easy selection of settings according to the selected fan or in-duct measurement probe. DPT-Flow-Batt series devices include: • Two field selectable functions: o Measure in-duct volume flow, velocity or differential pressure o Measure airflow across centrifugal fans • Multiple field selectable measurement units: o Volume flow: m3/s, m3/h, cfm, l/s o Velocity: m/s, ft/min o Pressure: Pa, inWC, mmWC, kPa, mbar • AVT series air velocity transmitters • DPT-2W-Q series differential pressure transmitters with flow linear output • DPT-R8 series 8-range differential pressure transmitters • DPT-MOD series differential pressure transmitters with Modbus configuration DPT-Flow-Batt series devices are commonly used in HVAC/R systems for: • air flow monitoring across centrifugal fans and blowers • in-duct air flow monitoring model summary Copyright HK Instruments 2017 www.hkinstruments.fi Datasheet Version 4.0 2017

Performance Accuracy (from FS): ±1.5 % (Accuracy specifications include: general accuracy, temperature drift, linearity, hysteresis, long term stability, and repetition error) Thermal effects: Temperature compensated across the full spectrum of capability Overpressure: Proof pressure: 25 kPa Zero point calibration: Manual pushbutton Response time: 1.0-10 s, selectable via menu Technical Specifications Media compatibility: Dry air or non-aggressive gases Pressure units (select via menu): Pa, kPa, mbar, inWC, mmWC Flow units (select via menu): Volume: m3/s, m3/hr, cfm, l/s Velocity: m/s, ft/min Measuring...