Nevco Engineers Pvt. Ltd.

Bag Filter Leak Detector

Snifter A2

Dust monitor for broken bag detection

Snifter A2 is an advanced filter leak detector. This dust monitor can be used to monitor the operation of a baghouse and alarm the operator when dust levels increase. Snifter A2 supports Sintrol Network connectivity over USB and RS485 interfaces by default. All parameters and settings are user selectable to best suit custom application needs. This device is fully compatible with Sintrol DustTool software

Auto setup function makes commissioning easy and quick and two independent alarm signals enable easy connectivity.

EX models (IECEx and ATEX) available.
Wireless RF communication available.


Measurement Objects                          

 Solid particles in a gas flow           

Particle Size

 0.3 µm or larger

Measurement Range

 From 0.1 mg/m³

Measurement Principle

 Inductive Electrification

Protection Category


Sensor Length (total/measuring)

 250 mm /185 mm  ı 9.8" / 7.3"

Power Supply 

 12-24 VDC

Power Consumption

 3 W

Cable Connection

 2 meter cable, 10 wires

 6.5 ft cable, 10 wires

Process Connection

 - NPT 1/2 " male thread

 - NPT 1/2 " female thread welding socket (optional)

Output Signal 

 - Two output signals (100 - 280 mA) depending on operation  temperature

Communication Interface           

 - Serial communication RS-485

 - USB communication

 - Radio frequency (RF) communication (optional)

Communication Protocol

 - Modbus RTU, (RS-485)
 - SNT network, (USB, RF, RS-485)

Alarm settings

 - Automatic
      Alert: 5 x normal dust level
      Alarm: 20 x normal dust level
- User selectable ranges

Signal Damping time

 - Fixed at factory: 10 s
 - Adjustable from 0 - 5400 s

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