Dräger Polytron® 8900 UGLD Ultrasonic Leak Detection

Dräger Polytron® 8900 UGLD

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Dräger Polytron® 8900 UGLD

The Dräger Polytron® 8900 UGLD transmitter is an early warning area monitor for detecting high-pressure gas leaks in outdoor industrial process environments. Thanks to an ultrasonic acoustic sensor, it responds earlier than conventional gas detectors because it registers the sound of leaking gas instead of measuring the concentration of accumulated gas clouds. As gas escapes, leaks are immediately detected in the surrounding area, regardless of the wind direction.

Ultrasonic Leak Detection

  • Sensor: Ultrasonic Sensor
  • Installation: Increased Safety or flameproof
  • Interface: 4-20 mA, Relays and HART ®
  • IP class: IP65/66/67 and SIL2
  • Special: Display, detecting high-pressure gas leaks

Ultrasonic sensor technology – the early warning system for gas leaks

Typical gas detection systems used to monitor pressurised gas pipes or containers in industrial environments only detect a gas leak if the gas is in the immediate vicinity of the gas sensor. Environmental influences such as wind can delay or prevent a gas cloud from being detected by gas sensors. However, the Dräger Polytron® 8900 UGLD is not affected by these environmental factors and detects a high-pressure gas leak as soon as gas escapes. Effective early gas leak warnings can prevent unnecessary shutdowns, saving time and money.

A perfect complement to your gas detection system

​The Dräger Polytron 8900 extends the Polytron 8000 series family with acoustic gas leak detection. All transmitters in this series have the same design and an identical user interface. A common user interface ensures that little training or maintenance is required for existing users. The Polytron 8900 UGLD perfectly complements existing flame and gas detection systems with reliable early gas leak warnings.

Delivers results that are easy to understand

For an easy interpretation of results, the measured values on the display of the Polytron 8900 UGLD are shown from 0 to 100 percent of the full scale decibel sensitivity range. The ultrasound level is immediately displayed and transmitted and allows for an easy interpretation. Alarms are configured at a specific level above a predetermined background noise level. Additionally, a time delay of up to 30 seconds can be set in the control system.

Can even detect gas leaks in loud industrial environments

​Loud process areas generate noise which is mostly in the audible spectrum. Gas leaks from pressurized vessels above 10 bar generate both audible sound and inaudible ultrasound. Since Polytron 8900 is tuned to measure in the ultrasound spectrum, it can easily identify gas leaks with a leak rate of 100 g/sec in a 20 meter radius circle.

Robust design and fully-sealed sensor

The Polytron 8900 UGLD is an explosion-proof transmitter with a sensor housed in a galvanically-isolated, intrinsically-safe enclosure. The sensor is an ultrasonic microphone that is completely sealed in PVCC, making it impervious to water and dirt. It provides reliable readings without the need for an additional environmental protection baffle. Regular calibration is not necessary, but unlike some other UGLDs on the market, calibration is possible and easy with the offered calibration kits. The expected lifespan of the ultrasonic sensor is more than 10 years.

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Polytron 8900 UGLD Product Information, en
Polytron 8900 UGLD Product Information, en

The Dräger Polytron® 8900 UGLD transmitter is an early warning area monitor for detecting high-pressure gas leaks in outdoor industrial process environments. Thanks to an ultrasonic acoustic sensor, it responds earlier than conventional gas detectors because it registers the sound of leaking gas instead of measuring the concentration of accumulated gas clouds. As gas escapes, leaks are immediately detected in the surrounding area, regardless of the wind direction.

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Dräger Polytron 8xxx DTM HART® Setup V2.2.0.722
Dräger Polytron 8xxx DTM HART® Setup V2.2.0.722

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IFU Polytron 8900 UGLD 9033826 ME
IFU Polytron 8900 UGLD 9033826 ME

These instructions for use are provided for informational purposes only. Please always read and comply with the instructions for use delivered with the product.

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IFU Polytron 8xx0 - Safety Manual 9033307 en
PolySoft 1.11.0 Setup

Get in touch with Dräger

Contact Us Image Draeger Safety Products

Draeger Safety UK Ltd.

Ullswater Close, Blyth Riverside Business Park
Blyth, Northumberland, NE24 4RG

+44 (0) 1670 352 891

Call us from Mon - Thurs 8:30am - 5pm
Fri 8:30am - 2pm

Draeger Marine and Offshore

Unit 2 Tern Pl, Bridge of Don
Aberdeen, AB23 8JX
+44 (0) 1224 701 569