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Gas Sense GS-220.P Manual Download Page 14

www.gassense.eu

 G

as Sensor 

GS-220.P

CHAPTER

4

SETTINGS

4.1. Introduction

This chapter describes sensor adjustments. Testing and calibration of sensors must 

be done at least once every 6 months.

4.2. Calibration

Tools necessary for GS-220 gas sensor calibration

✔

test gas for danger level

✔

test gas for alarm level

✔

precise voltmeter, that could detect 0÷6 V DC range.

✔

screwdriver – flat; max 3mm

✔

special calibration connector

ver.1.0

page 14 / 23

GND

ALARM

SENSE

DANGER

trimer 1

trimer 2

gas




Calibration terminal

Summary of Contents for GS-220.P

Page 1: ...ctronics LTD GS 220 P GAS SENSOR mount settings operation maintenance mount and exploitation manual version 1 0 October 2007 Invest Electronics reserve the right for changes in the document without no...

Page 2: ...1 Introduction 8 3 2 Transportation and storage 8 3 3 Prior to mount 8 3 4 Dimensions 9 3 5 Mechanical installation 10 3 6 Electrical installation 12 4 Settings 14 4 1 Introduction 14 4 2 Sensor cali...

Page 3: ...www gassense eu Gas Sensor GS 220 P 7 Customer support 20 7 1 Contact information 20 7 2 Warranty 20 7 3 Order codification 21 APPENDIX A abbreviations 22 APPENDIX B order codes 23 ver 1 0 page 3 23...

Page 4: ...ive requirements Prior to switching on the unit make sure that the voltage of the power supply corresponds to manufacturer requirements Exploitation in potentially combustible environments The gas sen...

Page 5: ...2 24 months For semi conductor and cathalytical depends on the environment pollution from 3 to 8 years Indication LED Outputs 2 digital Danger and Alarm Ingress Protection IP65 Corpus material Alumini...

Page 6: ...with GA 220 series gas controllers and with other devices with digital outputs Its main specification are Detection and control for over 20 types of gases Low power consumption max 2W Digital outputs...

Page 7: ...er 20 types of gases Few of its typical applications are underground parking garages boiler premises natural gas stations petrol stations manufactures with toxic gases emissions laboratories 2 3 Semic...

Page 8: ...g Gas sensor could be stored indoors with temperature from 20 C to 70 C and humidity from 10 to 95 The unit must not be exposed on direct sun light Warning The life of the electrochemical gas sensors...

Page 9: ...0 is produced in aluminum corpus with ingress protection IP65 Dimensions and installation openings on the corpus are shown on figure 3 1 Note all dimensions are in millimeters mm Figure 3 1 Dimensions...

Page 10: ...sor GS 220 is attached via 2 bolts 3 8 35 When attaching to wall keep the following steps for gas sensor attachment 1 Drill openings into the wall according to fig 3 1 2 Place 6 mm dubels into the ope...

Page 11: ...www gassense eu Gas Sensor GS 220 P Figure 3 3 Take off sensor s lid 5 Screw bolts 2 bolts into the dubels on the wall Figure 3 4 wall mounting 6 Proceed to electrical mount ver 1 0 page 11 23...

Page 12: ...0m 4 x 1 mm2 Table 3 1 length and section of the connecting conductors Figure 3 5 electrical connecting general view Typical GS 220 connecting to GA 220 series gas controller is done via four core cab...

Page 13: ...1 2 2 Figure 3 6 connecting cable to terminal 5 Close the panel and screw four bolts 6 Gas sensor is ready for operation Note connecting could be done also via three core cable when having two signal...

Page 14: ...must be done at least once every 6 months 4 2 Calibration Tools necessary for GS 220 gas sensor calibration test gas for danger level test gas for alarm level precise voltmeter that could detect 0 6 V...

Page 15: ...table 5 Switch on voltmeter between GND and DANGER outputs 1 and 3 of calibration terminal 6 Screw trimer 1 so voltmeter must show pressure value of 90 of the pressure value measured during step 4 7 s...

Page 16: ...element gas sensitive element must be warm in order to measure right In this mode gas sensor does not measure current gas concentration Characteristics and output levels of warm up mode Characteristi...

Page 17: ...ics Values LED indication DANGER lights ALARM does not light FAULT does not light Digital outputs DANGER terminal digital 1 ALARM terminal digital 0 Table 5 3 characteristics of danger mode 5 1 4 Alar...

Page 18: ...and output levels of fault mode Characteristics Values LED indication DANGER does not light ALARM does not light FAULT lights Digital outputs DANGER terminal digital 0 ALARM terminal digital 0 Table 5...

Page 19: ...not light up after switching on the system Power supply lost Check connecting cables and voltage Gas sensor detects gas LEDs lights but gas controller does not respond 1 Wrong wiring 2 Defected Intri...

Page 20: ...warranty is accepted only with correctly in clear hand writing warranty document The warranty must contain signatures of the vendor and vendee and the date of purchasing Free of charge warranty mainte...

Page 21: ...loss or gain or afterwards losses This warranty is addition and does not restrict consumer rights according to Bulgarian law 7 3 Purchase code ver 1 0 page 21 23 GS 220 X Y NN MM gas sensor digital P...

Page 22: ...all European directives DC Direct Current g Gram Hz Hertz IP Ingress Protection LCD Liquid crystal display LED Light Emitting Diode LEL lower explosive limit LNG Liquefied Natural Gas LPG Propane but...

Page 23: ...Alcohol C4H10O semiconductor 0 100 LEL GS 220 P N 01 39 Iso Propyl Alcahol IPA C3H8O semiconductor 0 100 LEL GS 220 P N 01 42 Methanol CH3OH semiconductor 0 100 LEL GS 220 P N 01 47 n Butane C4H10 sem...

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