SPECIFICATION - CARBON MONOXIDE TWO WIRE 4-20 mA TRANSMITTER

 

UNIPHOS – 520T

 

Gas                                                     :           Carbon Monoxide (CO)

 

Range (ppm)                                     :           0 – 1000 ppm

 

Resolution (ppm)                               :           1 ppm

 

Response Time (T₉₀)                        :           25 sec

 

Detection Principle                           :           Sealed Electrochemical Sensor

 

Gas Sampling                                   :           Diffusion

 

Accuracy                                            :           Inherently ± 2% (But also depends on

                                                                        accuracy  of calibration gas)

 

Operating Life of Sensor                  :           Expected life 1 – 2 year.

                                                                        Warranted for one year.

 

Operating Temperature                    :           0 to 50 °C

 

Operating Pressure                          :           Ambient ± 10%

 

Output                                                 :           4 – 20 mA

 

Power Supply from Controller          :           12 – 24 V

 

Dimensions                                       :           Height - 120 mm

                                                                        Width  - 122 mm

                                                                        Depth - 80 mm

 

Weight                                                :           960 g

 

Case Material                                    :           Polyester

 

CMRI Certification                            :           Intrinsically safe for

                                                                        Gas Groups I, IIA & IIB

                                                                        Temperature class – T6

                                                                        (Category ‘ia’ as per IS: 5780 - 1980)