Your Measuring Total Solution Provider
WWW.EYC-TECH.COM
PMD33
Differential Pressure Transmitter
‧ Silicon chips on Differential Pressure Module of MEMS integration technology
‧ Off set function by bottom / UI software
‧ Low-pressure monitoring, high pressure bearable
‧ Option RS-485 communication interface, Modbus RTU protocol
‧ DIP switch output and range
‧ Physical switch：mbar / Pa / hPa / kPa / mmH2O / mmWS / inH2O / mmHg
‧ Square root function
‧ Application Field ─ monitor differential pressure of Cleanroom / hospital / air duct / filter environment and monitor air flow
Application
Your Measuring Total Solution Provider
WWW.EYC-TECH.COM
Input
input type
measuring range
Piezoelectric Differential Pressure Module
± 50 ~ ± 2500 pa
Electrical
power supply
current consumption
overvoltage protection
electrical connection
8 ... 35 VDC ／ 12 ... 30 VAC
DC 8V ：≦ 130 mA(display) / ≦ 115 mA(non-display)
DC 24V：≦ 45 mA(display) / ≦ 40 mA(non-display)
AC 12V：≦ 150 mA(display) / ≦ 130 mA(non-display)
AC 24V：≦ 95 mA(display) / ≦ 90 mA(non-display)
≦ 40VDC
M12 connector ／ M16 terminal
Protection
protect rating
elecric protection
proof pressure
burst pressure
IP 65
◎Polarity protection ◎over-voltage
◎short circuit
± 50 ~ ± 250 pa : 0.25 bar；± 300 ~ ± 2500 pa : 0.5 bar
± 50 ~ ± 250 pa : 0.25 bar；± 300 ~ ± 2500 pa : 0.5 bar
Output
output
signal connection
ModBus
accuracy ( at 25℃ )
load resistance ( current output )
response time ( t 63 )
display type
display range
height of character
0-20mA／4-20mA ／ 0-1V／0-5V／1-5V／
2-10V ／0~10V
3-wire
RS-485
± 2.0 % of F.S.
4~20mA ＜ 500Ω / 0~10V ≧ 10KΩ
≦ 2 ms
LCD Module with back light, double line character
upon request, 2 decimal place
(as unit is Pa : 1 decimal place)
5.56 mm
Environment
media measured
environment temperature
environment humidity
storage temperature
air
0...+50 ℃
0 ... 95 %RH (non-cond.)
-20...+60 ℃
Temperature Influence
temperature drift ± 1.75 % ( 5℃ ... 55℃ )
Material
case
weight
PC fire-proof class ( PC-110 ) ( UL94V-2 )
display : 152g ； non-display : 127g
Installation
installation wall
Certification
certification CE
Specification
Ordering Guide
installation
type
wall
range
output
PMD
33
10
20
30
1
2
4
5
6
7
8
D
1
─ DM33 ─ 20 1
─
─
─
± 50 / 100 / 250 pa
± 300 / 500 / 1000 pa
± 1000 / 1600 / 2500 pa
plastic cable gland
M12x1 metal connector
display
RS-485
electrical connection ─
─
4 ... 20mA
0 ... 20mA
2 ... 10V
1 ... 5V
0 ... 10V
0 ... 5V
0 ... 1V
display
N
M