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

Warranted for two 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