Features
● Ranges from -50…+50 Pa to -500…+500 Pa
● High accuracy, repeatability and zero stability
● Fully calibrated and temperature compensated
● Two analog outputs settable to 4-20 mA or 0-10 V
● RS485 Modbus RTU digital interface

Updated 07.08.2023

Specifications
Measured media Dry clean air without dust, oil, mist,
or aggressive compounds
Ranges E2418-DF-50: -50…+50 Pa
E2418-DF-500: -500…+500 Pa
Resolution 0,1 Pa
Sensing method Thermal microflow
Gas flow through sensor 23 ml/min for ±50 Pa range
100 ml/min for ±500 Pa range
Max. overpressure 10 kPa
Zero point accuracy ± 0,2 Pa, stability < 0,1 Pa / year Span accuracy ±3% of reading Temperature effect < 0,5% of reading per 10°C Atm. pressure effect < 0,1 % of reading per hPa Power supply 12...36 VDC (default) 24 VAC as option Power consumption < 1 W Digital interface RS485, Modbus RTU protocol Analog outputs 2 × 4-20 mA / 0-10 V, user switchable Analog output scales Freely adjustable within range Standard output scales 0 - 25 Pa, -25…+25 Pa, 0 - 50 Pa, -50…+50 Pa, 0 - 100 Pa, -100…+100 Pa, 0 - 250 Pa, -250…+250 Pa, 0 - 500 Pa, -500…+500 Pa Enclosure Dark grey ABS plastic, wall mount, protection class IP65 Dimensions H82 × W80 × D55 mm Pressure ports Ø4,0…4,9 mm, for 4/6 mm hose Operating environment Business and industrial spaces Operating conditions -20...+80 °C, 35…85%RH 4-20 mA 0-10 V RS485 Modbus IP65 Evikon MCI OÜ • Teaduspargi 9, Tartu, 50411 Estonia • Tel +372 733 6310 • info@evikon.eu • www.evikon.eu Updated 07.08.2023 Connection diagram PCB without PSU and relays Jumpers J1 OUT1 type (open: 4-20 mA; closed 0-10 V) J2 OUT2 type (open: 4-20 mA; closed 0-10 V) X6 Reset Modbus network parameters to default X4 terminals OUT1 4-20 mA / 0-10 V output OUT2 4-20 mA / 0-10 V output 0V 0 V / 24 VAC Neutral (optional) A RS485 A / Data + B RS485 B / Data - +U +24 VDC / 24 VAC Phase (optional)