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| Categories | Fixed Gas Detector | 
|---|---|
| Brand Name: | Zetron | 
| Model Number: | CJH Series | 
| Certification: | CE, ISO13485, ISO9001 | 
| Place of Origin: | China | 
| MOQ: | 1 | 
| Payment Terms: | T/T, D/A, L/C, D/P, Western Union, MoneyGram | 
| Supply Ability: | 1000 set/month | 
| Delivery Time: | 3-7 days | 
| measurement: | CH4 | 
| warming up time: | 30s | 
| size: | 195*145*195mm | 
| Weight: | 15kg | 
| Company Info. | 
| Beijing Zetron Technology Co., Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Infrared Methane Gas Transmitter
CJH series infrared methane transmitter adopts international advanced NDIR non-dispersed infrared technique, it is mainly used in coal mine, natural gas, CBM (Coal bed methane), rubbish filling, sewage treatment, anaerobic fermentation and other fields for CH4 gas leakage detection and high concentration CH4 measurement.
| General Parameter | |
| Measurement method | NDIR | 
| Range | CH4: 0-5%vol (0-100%LEL), 0-100%vol | 
| Warm-up time | 30s | 
| Accuracy | For the range of 0-1% vol: + 0.06% | 
| For range 1-100%vol: ±6% of reading | |
| For range 0-100%LEL: 5% LEL | |
| Response time | T90<30s at 20 ℃ | 
| Working voltage | 9-27V | 
| Output | RS485/4-20mA | 
| Woking temperature | -10-55 ℃ | 
| Dimension | 195*145*105mm | 
| Lifespan | ≥10 years | 

Q: When do you reply to messages?
A: We will reply you for your inquiry in 24 hours.
Q: When do you send the products? And how do you send it ?
A: For the small order, we will send out the goods with 5 days,If
have stock ,we will send immediately.
We send them by ups, fedex, tnt or dhl. For big order, normal is 20
days will finish.
Q:Do you accept OEM or revised logo, color, model,size?
A:Yes, we accept OEM for the qualify buyer. We can make the
products according to customer personal requirement.
Q: How about the quality of the managements ?
A: We have a complete quality control system , all of our products
will be fully pre-inspection by QC departments before ,shipping to
you . We have the certification of ISO,CE we could send the
certification test of our company to you.
Q: How about your after-sale service?
A: After sending, we will track the products for you , until you
get the products.
When you got the goods, test them, and give me a feedback.
If you have any questions about the problem, contact with us, we
will offer the solve way for you.
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