Timely Detection of Broken Bags in a Bag House Proven Technology, Time-Tested and Economically Priced Detector. It measures the Triboelectric effect and determines when particle Emissions exceed the acceptable levels.

    • Field-Proven Tribo-electric Technology ensures reliability.
    • Direct sensing method; Actual Particulate measurement.
    • Adaptable, suitable for virtually all dust collectors.
    • Damping system to prevent False Alarms.
    • Adjustable Sensitivity, Alarm Level and Time Delay to suit wide variety of Powders and Bulk Solids.
    • Robust & Reliable.
    • Easy installation. Low maintenance
    • Wide range of duct sizes from 250 mm to 2 m.
    • Integral Assembly of Sensor and Electronics in Rugged Housing.


Broken Bag Detectors finds applications in a wide variety of industries where Detection and control of Dust levels are critical for the Safety, Maintenance, Equipment operation, Plant Efficiency and/or the Environment. It Provides Reliable and Economical detection of leaks and Filter Failures in Powder and Bulk Solids industries Broken Bag Detectors has LED visual indications and a relay output to maximize its user-friendliness and automation capabilities. It incorporates a specially designed adjustable damping system that increases its response time and prevents False Alarms.

For Process Flow Application it is a reliable flow / no-flow detector to monitor Flow disruptions of dry solids in bulk handling & pneumatic conveying applications


TechniqueTribo – Electric charge transfer
Operating Temp (Ambient)-20 to 70 °C
Flue Gas Temperature0-250 °C (upto 1000 °C Opt)
Ranges1-1,000 mg/m3
Response TimeInstantaneous
Duct Width50 mm to 2.2 m
Positioning90 °C to Duct Wall
Communications Path LengthUp to 1,000 meters
SocketSingle 1 Flat Flanged Fitting
Mounting DetailsDia 40 mm, Quick Disconnect Fitting With Clamp And Gasket
Construction316 Grade Stainless Steel
Sensor Length25, 100, 200, 500, 1000 mm or custmised
InsulationPTFE (T Model – Glass Ceramic)
Sensor Diameter10 mm
Power Supply24 V DC
Output4-20 mA
AlarmsGreen – Normal
Yellow – Warning
Red – High Alarm
Alarm DelayAdjustable up to 10min
Averaging TimeProgrammable Up to One Hour
Output – Remote AlarmSPDT Relay 24 V DC 5 mA
Power Supply110/220 Volts 50 Hz Ac or 24 V DC

Note : Specifications and Features will vary with application. The above are established and validated during design, but are not to be construed as test criteria for every product. Due to hnl’s commitment to research, design and product improvement, specifications are subject to change without notice.

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