Ammonia Detector-Transmitter — E2611-NH3
Available on request
Delivery across Russia
Order phone: +7(800)777-18-50
Description
The ammonia detector E2611-NH3 is a representative of the new line of multifunctional measuring instruments PluraSens®.
The detector can be used in agriculture (in livestock and poultry facilities), in industrial refrigeration units, and other premises where dangerous concentrations of ammonia may be reached.
By default, the alarm triggers at 25 and 35 ppm of ammonia. The user can also set other threshold concentration values.
Thanks to two relays with a changeover contact, the detector can be used for remote notification and control. When threshold concentrations are reached, an audible signal also activates.
The detector is equipped with a fully calibrated latest-generation metal oxide sensor with temperature and humidity compensation, ensuring high stability and reliability of readings, as well as a long service life of the device.
To connect the detector to ventilation, security, and building automation systems, two configurable analog outputs and an RS485 interface operating with the Modbus RTU protocol can be used.
Key Features
- Durable metal oxide sensor
- Detection range 0...1000 ppm NH3
- Resolution 1 ppm NH3
- Alarm trigger thresholds 25/35 ppm
WARNING, the device is currently discontinued.
- Specifications
- Connection
- Overall dimensions drawing
- Applications
| Specifications | |
| Calibration | ammonia NH3 |
| Sensor type | durable metal oxide sensor |
| Sampling method | diffusion |
| Detection range | 0...1000 ppm NH3 |
| Resolution | 1 ppm NH3 |
| Accuracy | ± 5 ppm NH3 |
| Sensor lifespan | > 5 years |
| Power supply | 11...30 V DC or 90...265 V AC |
| Digital interface | RS485, Modbus RTU protocol |
| Alarm | 85 dB sound signal |
| Analog outputs | 2 × 4-20 mA / 0-10 V, configurable |
| Output relays | 2 single-pole relays (normally open contact), |
| 250 V AC / 30 V DC, up to 5 A | |
| Default alarm trigger threshold | 25 / 35 ppm |
| Housing | ABS plastic with ventilation slots, |
| wall mounting, protection class IP20 | |
| Dimensions | H85 × W85 × D37 mm |
| Operating conditions | -30...+70 °C, 0...95 %RH, non-condensing |


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