SPECIFICATION - UNIPHOS CARBON
DIOXIDE TWO WIRE TRANSMITTER
UNIPHOS
525 T
1.Gas
detected
:
Carbon Dioxide (CO2)
2.Range
:
0 – 5% v/v.
3.Resolution
:
0.1% v/v.
4.Response
time (T90)
:
Typically less than 20 sec
5.Detection
principle
:
NDIR sensor
6.Gas
sampling
:
Diffusion
7.Warm
up time
:
Less than 20 sec
8.Accuracy
:
Inherently ±
2% (but also depends
on the accuracy of the calibrating gas)
9.Operating
life of sensor
:
Expected life > 5 years
10.Operating
temperature
:
-20 to +50 oC
11.Operating
pressure
:
Ambient ±
10%
12.Relative
Humidity
:
0 – 95% RH (Non condensing)
13.Display
:
Liquid crystal display (LCD) (3-½
digit)
14.Output
:
4 – 20 mA
15.Power supply : 230 V, 50 Hz power supply.
16.Type of Protection : Splash Proof and Rain Shield
17.Certification : Sensor
ATEX EEx d IIC T4
Enclosure
CMRI Certified to EEx ia IIB T6