EPD 20 Intelligent Pressure Transmitter With LCD Display, Aluminum Alloy Case || ATEK ||

100 milibar….200 BAR pressure range
Easy configuration with LCD module buttons
24VDC supply voltage
4…20mA/HART or MODBUS RTU output
Many measurement unit options adjustable from the menu
High accuracy up to ±%0,3 FS
IP65 protection class

EPD20 pressure transmitter with LCD display, is used to convert and display measured pressure value to desired measurement unit. Modbus and HART output options are available. Parameter configuration and compensation of the transmitter can be done on-site and easily with the buttons on the LCD module.

Pressure Range Output Type Display Accuracy Protection Datasheet
100 milibar….200 BAR 4…20mA/HART or MODBUS RTU 2 line backlight LCD ±%0,5 or ±%0,3 F.S  IP65
  • 100 milibar….200 BAR pressure range
  • Easy configuration with LCD module buttons
  • 24VDC supply voltage
  • 4…20mA/HART or MODBUS RTU output
  • HART output model: LCD with backlight, displaying 5 bits, and 4 decimal places
  • MODBUS output model: LCD with backlight, displaying 6 bits, and 5 decimal places
  • Many measurement unit options adjustable from the menu
  • High accuracy up to ±%0,3 FS
  • Short circuit and reverse polarity protection
  • Aluminum alloy case
  • Excellent long-term work
  • IP65 protection class
Marka

Atek

GENERAL FEATURES

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Pressure Range

Diffrent models from 0…100mbar to 0…200Bar
Vacuum models -950mBar…0Bar

Output signal

4…20mA/HART or MODBUS RTU

Supply voltage

HART output model: 12-32VDC (suggested 24VDC)
MODBUS outpu model: 18-36VDC (suggested 24VDC)

Site operation

3 buttons, all parameters can ve modified at site

MECHANICAL AND ENVIRONMENTAL FEATURES

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Working and storage temperature

-30°C … +70°C

Protection class

IP65

Material

Transmitter : Stainless steel hosuing – 1.4305 (AISI303), Optional stainless 316L or Titanium
Case: Aluminum alloy

TRANSMITTER FEATURES

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Measurement Range

Diffrent models from 0…100mbar to 0…600Bar
Different vacuum models from 0… -100mbar to 0…-1Bar

Measurement Type

Ambient pressure measurement as relative
Air, Water, Oil, Non-explosive gases

Working Principle

Piezoresistive

Maximum Compressive Strength

300%F.S. ≤700mbar, 200%F.S. <250Bar
150%F.S ≥250Bar
*Can be 3 or 5 times

Oring – Sealing

Standard NBR, optional FKM(Viton) or EPDM

Process Connection

G1/4, G1/8, G1/2, NPT1/4, NPT1/8, NPT1/2, M14, UNF7/16X20M, UNF7/16X20F

Accuracy

±%0,5 T.S veya ±%0,3 T.S @25ᵒ C

Long Term Stability

±%0,3 T.S/ year

Response Time

1ms … nominal pressure

Mounting / Tightening Torque

15 … 20 Nm

LCD DISPLAY FEATURES

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Display

Modbus Output Model: LCD with backlight, displaying 6 bits, and 5 decimal places
HART Output Model:LCD with backlight, displaying 5 bits, and 4 decimal places

Units

Modbus Output Model: KPa, Pa, MPa, mmH2O, mH2O, mbar, bar, PSI, M,%
HART Output Model:H2O, inHg, ftH2O, mmH2O, mmHg, psi, bar, mbar, g/cm2, kg/cm2, Pa, kPa, Torr, atm, Mpa, mH2O, mHg, m, mm, cm, %, mA, g/cm3

Sampling rate

>20 times/s

Display interface

Enlish and Chinese; pressure, temperature, current, percentage

Linearity

Better than %0,2

Stability

%0.2/year

Circuit protection

Surge current protection, reverse power protection

Isolation range

>200MΩ

Motherboard buttons operation

reset, lower range calibration(zero drift under pressure source), upper range calibration (full scale calibration)

LCD buttons operation

changing machine address (0-255), units, decimal place, damping time and zero clearing

  • Pneumatic Systems
  • Air compressors
  • Air Cooling-Heating Systems
  • Water Pumps
  • Liquid tanks
  • Medical industry
  • Chemical industry
DATASHEET
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