Advanced CQ-JG-01 Laser Methane Gas Sensor Probe for Industrial Use


Product Description

Discover the cutting-edge CQ-JG-01 Laser Methane Gas Sensor Probe, meticulously developed for the gas industry. Leveraging TDLAS measurement principles, this sensor offers unmatched specificity towards methane, ensuring minimal interference from other gases, vapor, or dust. 

Ideal for rigorous industrial applications, it features a diffusion sampling method, robust Ex ib IIC T4 Gb explosion-proof rating, and operates flawlessly in extreme conditions ranging from -30 to 70°C. With its precision and rapid response time, ensure the safety and efficiency of your operations.


 Measurement Methane concentration, ambient pressure, temperature
 Sampling method Diffusion
 Sampling type Laser
 Explosion protection level Ex ib IIC T4 Gb
 Working environment

Temperature: -30~70℃

Humidity: 0~100%RH (non-condensing)

Pressure: 80~116KPa

 Methane measurement parameters

Measuring range: 0~100%

Accuracy: ±5%RD

 Temperature measurement parameters

Range: -40~85℃

Accuracy: ±1℃

 Pressure measurement parameters

Range: 0~200KPa

Accuracy: ±0.2KPa

 Response time <15s (about 10s)
 Power supply voltage 3.2~5.5VDC
 Power consumption 70mW
 Protection grade IP68
 Communication method TTL level (3V)


Use gas sensors according to needs and actual conditions
1. Used with gas detection terminals
2. The sensor is used alone and can be wired as follows:

Sensor wiring parameters

 Port Number Function Cable Color
1 3.3V-5.5V Red
2 GND Black
3 RXD Yellow
4 TXD Green


Package list

Combustible gas detector module * 1
Calibration valve * 1
Fastening nut and gasket * 1
Inspection Report
user's Guide


Free Shipping

Under normal circumstances we offer free shipping on all orders, you will see the free shipping option in your cart at checkout. There is no choice of carrier for free shipping, but typically we will ship your order will likely ship using either USPS or FedEx. Full Shipping Policy

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). Full Returns Policy

When Will My Order Ship?

For Standard Shipping, we aim to pack and ship out your order within 3 business days. During special periods, such as heavy order processing or local inventory shortages that require deployment, please expect it to take an additional day or two for processing.
We ship five days a week, Monday through Friday. Sometimes our mail pickup comes in early afternoon, so tracking for orders shipped later that day may not update until the following business day.
You will receive a shipment confirmation with tracking information via email when your order has shipped. Once you receive this email, we cannot change or cancel your order.

Can I Change The Shipping Address On My Order?

Please contact us immediately via email if you realize that you gave us the wrong shipping address — if it hasn't shipped yet, we might be able to correct it before it goes out the door.
If your order ships to the address provided and is returned to us as undeliverable, then you are responsible for paying the cost of shipping again to resend it to you. If you decide you do not want your order reshipped, we'll refund you for the products less the original shipping charges, once your order returns to our warehouse. We'll reach out to you to coordinate your options before re-shipping.
If your order ships to an incorrect address provided at the time the order is placed and is not retrievable, we are not responsible and cannot offer reimbursement.

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Advanced CQ-JG-01 Laser Methane Gas Sensor Probe for Industrial Use
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