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(infrared) Detector of combustible and commercial gases GTQ-D610

The GTYQ-D610 gas gas detector for industrial and commercial use, which meets the new standard GB15322.1-2019, measures the concentration of gas based on the absorption of infrared radiation of a certain spectrum. The device is made using patented technology of intellectual sensors and compensation for the zero point in temperature, which provides:

Independence from oxygen content;
Lack of effect of catalytic sensors poisoning;
Simplicity of operation and maintenance;
A clear indication at a distance;
IP66 protection degree.
Application: ideal for complex industrial environments with high requirements, such as oil and gas, chemical, energy industries and gas facilities.
Availability:
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The infrared sensor is not subject to poisoning - it eliminates the risks associated with the degradation of catalytic sensors.

The exact detection of more than 50 types of hydrocarbons (alkanes), special gases and moos (volatile organic compounds).

Sensor service life: 8-10 years.

Nickelized surface coating + labyrinth design of the air intake is the rapid response time and increased durability.

A sparkling design with hot replacement support is the convenience of mass calibration, maintenance and replacement in the field.

Minimum maintenance - does not require frequent calibration.

Materials:

Standard: aluminum alloy with epoxy.

Optional: stainless steel with Teflon coating.


Detective gases: most combustible gases (alkanes, petrochemical gases, special gases, co₂, etc.).

Measurement range: 3–100% NKPV (lower concentration limit of ignition).

Detection principle: infrared principle.

Measurement accuracy: ± 1% of the full scale (FS).

Response time: t90 <20 sec.

Long -term stability: ± 1% fs/month.

Sensor service life: 8-10 years (the actual period depends on operating conditions).

Explosion protection level: EXDIB IIS T6 GB / EX TD IBD A21 IP66 T80 ℃.

Defense degree: IP66.

Max. Energy consumption: ≤3 tt.

Communication interface: 4–20 mA.

Work voltage: 24 V DC.

Relay outputs:


2 normally open (no) relay: 3 a / 125 V AC or 3 A / 30 in DC.

1 normally open (No) active contact: 100 mA / 24 V DC.

Display: color LED display.

Working temperature: -40 ℃ ~ +70 ℃.

Moisture range: 10–95% RH (without condensation).

The pressure range: 86 kPa ~ 106 kPa.

Building material: aluminum alloy / stainless steel SS316L.

Electric interfaces:

2 × NPT 3/4 ', M25 × 1.5, G3/4 (F) (adapters on request).

Dimensions: 148 mm × 142 mm × 80.5 mm.

Weight:

~ 1.7 kg (aluminum alloy),

~ 2.2 kg (stainless steel SS316L).


Oil, chemicals, gas, electricity

Frequent questions
  • 1. How does the infrared detector differ from the catalytic?
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    The principle of detection: the infrared detector uses NDIR technology (nonsense infrared spectroscopy), measuring the absorption of IR radiation molecules at certain wavelengths. It has high resistance to poisoning, ideal for methane (Ch₄), ethane (C₂H₆) and similar gases.
    The advantage of the service life: the absence of a catalyst allows the sensor to work for 5–8 years (catalytic sensors serve 2-3 years).
    Scope: optimal for aggressive media with high gas concentration, sulfur compounds or silicones.
  • 2. Can an infrared detector detect several types of combustible gases?
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    The standard GTQ-D610 configuration is optimized for Ch₄ methane). However, by setting up the wavelength of the IR source and algorithms, it is possible to adapt it for other gases (for example, propane, ethylene). This requires customization of the touch module - check the target gas before ordering.
  • 3. How to ensure the accuracy of an IR detector in dusty conditions?
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    Dust protection:
    The degree of protection IP66+labyrinth design of the air intake.
    Self -cleaning:
    Some models support the purge of the air pump or filter membranes (optionally).
    Service:
    Check the cleanliness of the optical window every 3 months, if necessary, wipe with waterless alcohol.
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