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Dräger Polytron® 5720 IR

Toxic Gases and Oxygen Detectors
  • Monitors carbon dioxide in volume percentage or ppm
  • Uses a high-performance infrared Dräger PIR 7200 sensor
  • Can be submerged in water without damage
Dräger Polytron® 5720 IR Toxic Gases and Oxygen Detectors
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Focus on safety: Detect carbon dioxide with precision

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Explore all substances
<= 8 seconds
Response time
-40°F - 170.6°F
Temperature (operation)
Epoxy coated copper-free aluminum or stainless steel SS316 L
Housing Material
Open full specifications

Highlights

​The Dräger Polytron® 5720 IR is a cost effective explosion proof transmitter for the detection of carbon dioxide in percent volume or ppm. It uses a high performance infrared Dräger PIR 7200 sensor, which can be submerged in water without damage. A 3 wire 4 to 20 mA analog output with relays makes it compatible with most control systems.

Efficient, stable and robust – the Dräger PIR 7200

With its stainless steel 316L enclosure and drift free optics, the Dräger PIR 7200 is built for the harshest industrial and commercial outdoor environments. The unique 4 beam signal stabilizing system makes the sensor resistant to dust or dirt deposi More Information

Same design, same operating principle

The Dräger Polytron 5720 belongs to the 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 large graphic backlit dis More Information

Three relays for controlling external equipment

Upon request, the Dräger Polytron 5720 can also be supplied with three integrated relays. This enables you to use it as an independent gas detection system with two arbitrarily adjustable concentration alarms and one fault alarm. Audible alarms, sign More Information

Safe, robust housing for every application

Polytron 5720 features a Class I, Div. 1 rated explosion proof enclosure made from aluminium or stainless steel, making it suitable for a wide range of environmental conditions. The included splash guard features a chimney effect that actively draws  More Information

Make the impossible possible with the remote sensor

A remote explosion proof junction allows installation of the sensor up to 100' away from the transmitter in difficult to access areas. A convenient flow cell allows for remote bump testing or calibration from the Polytron display by using permanently More Information

Specifications

<= 8 seconds
Response time
-40°F - 170.6°F
Temperature (operation)
Epoxy coated copper-free aluminum or stainless steel SS316 L
Housing Material

Key Facts

Type
Transmitter
Measuring Principle
Infrared
Response time
<= 8 seconds
Cable entry
M20 or 3/4" NPT
Display
Intrinsic Safety
Flameproof
Increased Safety
SIL
SIL 2 (IEC 61508-2)
4-20 mA
Bus
HART®

Technical Data

Power Supply
10 to 30 VDC, 3-wire
Temperature (operation)
-40°F - 170.6°F
Humidity
0 to 100% r.h., non-condensing
Pressure (hPa)
700 - 1300
Dimensions (H × W × D)
11.02x5.91x5.12 "
Weight
12.57 lb
Housing Material
Epoxy coated copper-free aluminum or stainless steel SS316 L
Degree of protection (IP class)
IP65/66/67

Approvals

ATEX
IECEx
UL
CSA
CE marking
GOST (EAC)
Performance approval
Shipping approval (MED)

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See the whole Product System.

This product is part of a Dräger system solution. Combine it with the following system components.

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Accessories

Dräger Polysoft software
Dräger Polysoft software

​The optional Dräger Polysoft Windows® software is used for configuration, firmware upgrades, diagnostics, and downloading the Polytron's built in datalogger. All from the comfort of your control room using the digital HART® signal that rides on top of the analog 4 to 20 mA signal. Out in the field, an available non-intrusive IR dongle easily connects Polytron® to Polysoft.

Duct mount kit
Duct mount kit

​The duct mount kit enables gas monitoring inside ventilation ducts while keeping the transmitter outside.

Flow Cell
Flow Cell

​Function test/calibration of the transmitter during high wind forces and/or high test gas concentration, including status display, suitable for process applications.

Pole Mounting Kit
Pole Mounting Kit

​Attach Polytron® 5000/8000 series to a pole or pipe using clamps (not included)

Polytron® Calibration Kit
Polytron® Calibration Kit

​Basic calibration kit with zero gas cylinder and space for a span gas cylinder. Includes all the needed accessories in a convenient carrying case.

Process cuvette SGR
Process cuvette SGR

For sampling and in-line applications – reduces the inner volume of the measuring cuvette, thus providing a faster speed of response under flow conditions – made of stainless steel

Remote Sensor Junction Box
Remote Sensor Junction Box

​The explosion-proof junction box allows remote mounting of CatEx sensor with cabling lengths over 300 feet. A plug and play sensor interface makes installation easy.

Splash guard
Splash guard

The Splash guard protects the sensor against splash water and dirt. Every Polytron® 8720 ships with the splash guard and an LED status indicator preinstalled.

Downloads

Download product information, instructions for use and other important files.
Next Steps

Get in touch with Dräger

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Draeger, Inc. – Safety
7256 S. Sam Houston W Pkwy., Suite 100 Houston, TX 77085