SPECIFICATIONS - SULPHUR DIOXIDE PERSONAL MONITOR

 

UNIPHOS - 340

 

Gas                                         :           Sulphur Dioxide (SO₂)

 

Range (ppm)                         :           0 – 20 ppm

 

Resolution (ppm)                   :           0.1 ppm

 

Response Time (T₉₀)            :           15 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%

 

Display                                   :           Liquid Crystal Display (LCD) (3-½ digit)

                                                            Law Battery Indication

 

Low Alarm                              :           Visual

 

High Alarm                             :           Audio & Visual

 

Power Supply                        :           One 9V replaceable alkaline battery

 

Battery Life                            :           Approx. 100 hr

 

Dimensions                           :           Height - 175 mm

                                                            Width - 85 mm

                                                            Depth - 30 mm

 

Weight                                    :           230 g

 

Case Material                        :           ABS

 

Certification                           :           CMRI certified for Group II A & II B

                                                            Category ia as per IS : 5780 1980

Temperature class – T4