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URS20SL_en.doc - rev. 0 

Oxygen detectors – URS20SL 

20/10/2010 

Gas detection systems for industrial environments 

8/8

 

 

Installation data 

 

To be filled in by Installer 

Installer's stamp and 

signature 

Installation site: 
 
 

 

Product order number: 
 
 
Part Number: 
 
 

Manufacturing date: 

Installation date: 
 
 

Replacement date: 

 

Routine checks 

 

To be filled in by Installer / Service Personnel 

Signature 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Summary of Contents for Sensigas URS20SL

Page 1: ...d more in general where oxygen is stored Oxygen deficiency is an indirect measurement of the presence of other explosive or asphyxiant gases that deplete the oxygen in the air URS20SL sensors can be u...

Page 2: ...t 1 or 2 thresholds 4 20mA Output reference selection 4mA 0 O2 20mA 30 O2 0mA no alarm 10mA 1 st threshold alarm 20mA 2 nd threshold alarm by jumper selectable polarity 4 20mA output load resistor up...

Page 3: ...the excess oxygen as quickly as possible Oxygen deficiency Detection of oxygen deficiency has the purpose of indirectly detecting the presence of other gases that deplete the oxygen in the air theref...

Page 4: ...chapter In order to change the default settings switch off the power supply input the new settings at the JP2 jumper circuit or at the S1 DIP switch as shown in the diagram then power up again in part...

Page 5: ...below Step 1 Insert the connection slot provided with the relay card into the control card making sure the flexible tab is towards the main terminal board Find CN3 connector CN3 connector Connection...

Page 6: ...trical installation The sensors are factory calibrated so they normally do not require any other calibration once installed Still after installation an operational check of the sensors is recommended...

Page 7: ...ntenance return the sensor concerned to the supplier installer who in turn will send it back to the manufacturer Sensors may need to be re calibrated using the TUL40 calibration kit and the TUS40 20 h...

Page 8: ...r industrial environments 8 8 Installation data To be filled in by Installer Installer s stamp and signature Installation site Product order number Part Number Manufacturing date Installation date Rep...

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