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Dräger Polytron® 5700 IR

The Dräger Polytron, 5310 IR is a cost effective explosion-proof transmitter for the detection of flammable gases in the lower explosion limit (LEL).

It uses an infrared DrägerSensor, IR that can be configured for methane, propane, or ethylene. A 3-wire 4 to 20-mA analogue output with relays makes it compatible with most control systems.


Poison-resistant and fail-safe – the DrägerSensor IR

DrägerSensor IR is a cost-effective alternative to catalytic bead sensors and offers a number of benefits. It is resistant to poisonous chemicals that can shorten a catalytic pellistor’s life. Long life optics have lower maintenance costs compared to pellistors. IR technology is inherently fail-safe without any undisclosed drawbacks. These benefits provide improved performance with excellent long-term stability and fast response times.
Same design, same operating principles
Polytron 5310 belongs to the Dräger Polytron 5000 series. All transmitters in this series have the same design and user interface. This allows for uniform operation with reduced training and maintenance requirements. The backlit display shows status information clearly with quick access to functions using a non-intrusive magnetic wand. The gas concentration and measurement unit are displayed during normal operation. Coloured LEDs (green, yellow and red) provide additional alarm and status information.
Three relays for controlling external equipment

The Dräger Polytron 5310 can also be supplied with three integrated relays upon request. This enables you to use it as an independent gas detection system with two adjustable concentration alarms and one fault alarm. Audible alarms, signal lights, or similar devices can thus be controlled locally without an additional cable between the transmitter and central controller.

Safe, robust housing for every application

The Polytron 5310 features a Class I, Div. 1 rated explosion proof enclosure made from aluminum or stainless steel, making it suitable for a wide range of environmental conditions. A protection type “e” version includes a convenient docking station that allows installation in hazardous atmospheres without running conduit (where approved) and this also facilitates pre-assembly.

Make the impossible possible with the remote sensor

An available remote sensor condulet housing allows the sensor to be installed up to 30 meters away from the Polytron transmitter. The sensor splash guard with integrated tubing nipple enables one person to perform the full calibration of a remote mounted sensor from the transmitter.

Additional information

Key Facts

Fixed Type Transmitter
Response time <= 8 seconds
Cable entry M20 or 3/4″ NPT
Display Yes
Intrinsic Safety Νο
Flameproof Yes
Increased Safety Yes
4-20 mA Yes
Bus No
Wireless No

Technical Data

Display Yes
Weight 5.7 Kg
Dimensions (W × H × D) 0.28×0.15×0.13 m
Degree of protection IP65/66/67
Power Supply 10 to 30 V DC
Temperature (operation) -40°C – 77°C
Humidity 0 to 100 % r.h., non-condensing
Pressure (hPa) 700 – 1300
Housing Material Epoxy coated copper-free aluminum or stainless steel SS 316L


CE Yes
Performance approval Yes
Shipping approval No
UL Yes


Product Datasheet   More than the sum of their components Explosion Protection