Gas detector DG-4E/M-Nstd ammonia, calibration on request <1000ppm, electrochemical sensor DG-4E/M-NSTD

Gas detectors – reliable protection and control

Digital detectors of the DG/M series are devices designed for continuous monitoring of gas concentrations in various spaces – from industrial halls to public buildings. The DG-4E/M-Nstd detector, equipped with an electrochemical sensor, specializes in detecting ammonia (NH3). Its task is to quickly react to exceeding permissible concentration levels, signaling an alarm both visually and transmitting information to the central monitoring system via the RS-485 interface.

This detector is used in gas detection systems where precise measurement and reliable operation are crucial. The replaceable sensor module facilitates maintenance and calibration, reducing operating costs. The device is powered by 24 V= and is characterized by compact dimensions (110 x 140 x 55 mm), which makes it easy to install even in hard-to-reach places.

Design and functionality

The DG-4E/M-Nstd detector stands out with its solid construction and a number of functions that facilitate its use. The housing with IP44 protection degree protects against splashing, making it suitable for operation in demanding conditions. Two cable glands allow easy connection of subsequent detectors in a network, creating an extended monitoring system.

The built-in microprocessor ensures stable operation and reliable measurements, and the thermal compensation circuit minimizes the influence of temperature on the accuracy of readings. The detector also has a function of storing the history of alarm states, which facilitates analysis of events and identification of potential hazards. Communication is via the RS-485 standard with the MODBUS RTU protocol, ensuring compatibility with most industrial automation systems.

Calibration and measurement range

The DG-4E/M-Nstd detector is factory calibrated to measure ammonia in the range up to 1000 ppm (parts per million). Calibration on request guarantees measurement accuracy and compliance with applicable standards. The replaceable sensor module allows easy replacement in case of recalibration or sensor damage. It is important to remember that regular calibration is crucial to ensure proper detector operation and safe use.