Fixed combustible gas alarm with digital display and sound and light alarm

Fixed natural gas alarm, online natural gas detector, digital display sound and light alarm, fixed combustible gas detector, fixed combustible gas transmitter

As the name suggests, a natural gas alarm refers to a safety instrument specifically designed to detect natural gas leaks. Is there really no complete solution for the various accident threats caused by natural gas leaks? The use of natural gas leak detectors is one of the important means to deal with natural gas leaks. The natural gas alarm will detect the leakage of natural gas in the first time, transmit data to the gas controller through sensors, and the controller will issue sound and light alarms to remind us to take timely defensive measures and avoid accidents such as * * and * *.

When using a natural gas alarm, we should pay attention to the following points:

(1) The alarm probe is mainly a detection element that contacts the combustion gas sensor. It is composed of a platinum wire coil wrapped in alumina and adhesive to form a spherical shape, and its outer surface is coated with rare metals such as platinum and palladium. Therefore, be careful during installation to avoid damaging the probe.

(2) The installation height of the alarm should generally be between 160-170cm to facilitate daily maintenance by maintenance personnel.

(3) The alarm is a safety instrument with sound and light display functions. It should be installed in a place that is easy for workers to see and hear, in order to eliminate hidden dangers in a timely manner.

(4) There should be no strong electromagnetic field (such as high-power motors or transformers) around the alarm that could affect the operation of the instrument.

(5) Due to its lighter density than air, natural gas detectors should be installed at a height of 30-50 centimeters from the ceiling.

Technical Parameter

Gas detection: natural gas

Range: 0-100% LEL

Detection method: Fixed continuous online detection

Detection principle: electrochemistry;

Sampling method: natural diffusion;

Display mode: 4-digit LED digital tube displays concentration value;

Status indication: 3 LED lights indicate power supply and level 2 alarm;

Debugging method: button operation;

Environmental temperature: -20 ℃ to 50 ℃;

Relative humidity:<95%;

Explosion proof method: Explosion proof type;

Explosion proof rating: Ex d Ⅱ C T6 Gb;

Power supply: DC24V ± 15%;

Output signal: Current: (4-20) mA, can be uploaded to DCS and PLC systems

Switch quantity: 1 (normally open);

Power consumption: ≤ 3W;

Cable usage: ≥ 1.5mm2 × 3; ≥1.5mm2×4

The maximum distance between the detector and the host: ≤ 1000m;

Whole machine weight: ≤ 1500g;

Pressure limit: 86kPa~106kPa;

Installation precautions for natural gas alarm controller:

(1) The controller should be installed in non locations such as instrument rooms, and it is strictly prohibited to install it in * * locations;

(2) Ensure secure fixation, avoiding vibration, high temperature, dust, and water;

(3) The controller should use a relatively clean power supply to avoid using the same power supply as large motor equipment;

(4) The controller should have its casing grounded or the ground wire of the power plug grounded.

(5) The casing of the controller must not be damaged, otherwise it will affect the shielding effect.

Fixed natural gas alarm, online natural gas detector, digital display sound and light alarm, fixed combustible gas detector, fixed combustible gas transmitter