• DIP-switches on PCB to select : Pressure Range, Pressure Unit and Response Time
• High accuracy +/-1%
• Power Supply and Output : 16-30 Vac/dc with 0-10 Vdc (3-wire) for PAT 010D, 12-30 Vdc with
4-20 mA (2-wire) for PAT 420D
• LCD digital display
• Including duct mounting set

• Electrical rating 250 Vac
• 7 different pressure ranges
• Switching pressure to be adjusted  easy on a scaled adjustment knob
• Static, over, underpressure and vaccum

• Selectable output via jumper  0-10 Vdc or 4-20 mA output, 3-wire  with power supply 24 Vac/dc
• 4-20 mA output, 2-wire with power supply 24 Vdc
• LED display available on the 3-wire version
• 2 adjoining pressure ranges in one unit, pressure ranges selectable via jumper
• Response time 100 ms and 1 s, selectable via jumper
• Micro controller

• Air Differential Pressure Transmitters PDM-series is an extremely versatile transmitter for monitoring pressure and air velocity
• With or without LCD display for Air Differential Pressure Transmitters PDM-series
• Adjustable damping of output signal  (with LCD display only)
• Ability to select a square root output for use with pitot tubes and other similar flow sensors
• The output for Air Differential Pressure Transmitters PDM-series is 0-10 Vdc, on request 4-20 mA and 0-5 Vdc output.