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Safety / Fixed Gas Detection
Dräger Polytron SE Ex
The Dräger Polytron SE Ex ... DQ sensing heads are gas detectors for the continuous monitoring of flammable gases and vapours in the ambient air. Measurement is based on the heat of reaction principle where a chemical reaction takes place in a catalytic bead (also known as a pellistor) inside the sensor.








Summary
Product overview
Continuous monitoring of flammable gases and vapoursUses heat of reaction principle for detectionSuitable for harsh industrial environments
Category
Fixed Gas Detection
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Specifications
Technical groups extracted from the official Draeger detail page.
Specifications 1
- Type
- Sensing head
- Measuring Principle
- Catalytic Bead Sensor
- Cable entry
- M20 x 1.5
- SIL
- (SIL 1)
Specifications 2
- Temperature (operation)
- -50°C - 85°C
- Humidity
- 5 to 95 % r.h., non-condensing
- Pressure (hPa)
- 800 - 1100
- Dimensions (H × W × D)
- 13.6x10.7x5.6 cm
- Weight
- 600 g
- Housing Material
- Glass fiber reinfrorced polyester (GFRP) or aluminum
- Degree of protection (IP class)
- IP66
Specifications 4
- Name
- More information
- Acetic Acid
- More information
- Acetic acid butyl ester
- More information
- Acetone
- More information
- Acetylene
- More information
- Ammonia (anhydrous)
- More information
- Benzene
- More information
- Dimethyl ether
- More information
- Ethanol
- More information
- Ethyl acetate
- More information
- Ethyl ether
- More information
- Ethylene
- More information
- Ethylene oxide
- More information
- Hexane
- More information
- Hydrogen
- More information
- Liquified petroleum gas (L.P.G.)
- More information
- Methane
- More information
- Methanol
- More information
- Methyl methacrylate
- More information
- n-Butane
- More information
- n-Pentane
- More information
- Nonane
- More information
- Octane
- More information
- Propane
- More information
- Propylene
- More information
- Propylene oxide
- More information
- Toluene
- More information
- 1,2-Dimethylbenzene
- More information
- 1,3-Butadiene
- More information
- 2-Butanone
- More information
- 2-Propanol
- More information
Specifications 5
- Product
- Order number
- DrägerSensor Ex LC M
- 6810350
- DrägerSensor HT M DQ
- 6814145
- DrägerSensor PR M DQ
- 6814140
- DrägerSensor PR NPT DQ
- 6814150
- Ex sensor LC NPT
- 6810675
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