Page 396 - Praxair - Specialty Gases and Equipment Reference Guide

Gas Detection Systems

Direct Connect Sensors

Direct Connect Sensors Specifications – Explosion Proof
LEL LEL O 2 H 2 S CO CH 4 HC CO 2
General H 2 Oxygen Hydrogen Carbon Methane Hydro- Carbon
Purpose Specific Sulfide Monoxide carbons Dioxide
Sensor
Type Catalytic Catalytic Galvanic cell Electro- Electro- Infrared Infrared Infrared
chemical chemical
Measuring 0-100% LEL 0-100% LEL 0-25% vol. 0-100 ppm 0-300 ppm 0-100% LEL 0-100% LEL 0 - 5000 ppm
Range 0 - 5.0% volume
0 - 50% volume
0 - 100% volume
Lower 2% of 2% of 0.1% volume 2% of 2% of 2% of 2% of 2% of
Detectable full scale full scale full scale full scale full scale full scale full scale
Limit (LDL)
Response LEL – LEL H 2 – 20 Seconds 35 Seconds 35 Seconds 30 Seconds 30 Seconds 30 Seconds
Time (T-90) 30 Seconds 20 Seconds
Accuracy +/- 5% of full scale (0.5% volume for oxygen)
Life 2 to 3 years 3 to 5 years 2 to 3 years 2 to 3 years 2 to 3 years 5 years plus 5 years plus 5 years plus
Expectancy with normal with normal with normal with normal with normal with normal with normal with normal
service service service service service service service service
Operating Environment
Location Indoor or outdoor. Explosion proof for Class I, Groups B, C, and D atmospheres.
Temperature -40 °F to 167 °F -40 °F to 167 °F -4 °F to 113 °F -40 °F to 104 °F 23 °F to 104 °F -4 °F to 122 °F -4 °F to 122 °F -4 °F to 122 °F
-40 °C to 75 °C -40 °C to 75 °C -20 °C to 45 °C -40 °C to 40 °C -5 °C to 40 °C -20 °C to 50 °C -20 °C to 50 °C -20 °C to 50 °C
Humidity 0 - 99% RH non-condensing
Housing
Housing J-Box Cast aluminum, explosion-proof, optional stainless steel J-box available
Sensor Stainless steel, explosion-proof Section E – Gas Handling Equipment
Approvals UL CSA UL CSA NRTL CSA NRTL CSA NRTL C UL US C UL US C UL US
Controllers Compatible with the following controllers: Beacon 110, Beacon 200, and Beacon 410
Warranty One year materials and workmanship

Ordering Information – Sensor With J-Box Ordering Information – Sensor Only
Description Part Number Description Part Number
LEL General Purpose (UL) PRS61-1000RK LEL General Purpose (UL) PRS61-0140RK
LEL General Purpose (CSA) PRS61-1000RK-05 LEL General Purpose (CSA) PRS61-0140RK-05
LEL H 2 Specific PRS61-1001RK LEL H 2 Specific PRSNC-6205-01
O 2 Oxygen PRS65-2515RK O 2 Oxygen PRS65-2514RK
H 2 S Hydrogen Sulfide PRS65-2427RK-05 H 2 S Hydrogen Sulfide PRS65-2428
CO Carbon Monoxide PRS65-2437RK-05 CO Carbon Monoxide PRS65-2438
CH 4 Methane PRS61-1003RK-CH4 CH 4 Methane PRS61-0190RK-CH4
HC Hydrocarbons PRS61-1003RK-HC HC Hydrocarbons PRS61-0190RK-HC
CO 2 Carbon Dioxide (0 - 5000 ppm) PRS61-1004RK-02 CO 2 Carbon Dioxide (0 - 5000 ppm) PRS61-0191RK-02
CO 2 Carbon Dioxide (0 - 5.0% volume) PRS61-1004RK-03 CO 2 Carbon Dioxide (0 - 5.0% volume) PRS61-0191RK-03
CO 2 Carbon Dioxide (0 - 50% volume) PRS61-1004RK-05 CO 2 Carbon Dioxide (0 - 50% volume) PRS61-0191RK-05
CO 2 Carbon Dioxide (0 - 100% volume) PRS61-1004RK-10 CO 2 Carbon Dioxide (0 - 100% volume) PRS61-0191RK-10

1-877-PRAXAIR www.praxairdirect.com E•395