• Beijing Zetron Technology Co., Ltd
    Hello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
  • Beijing Zetron Technology Co., Ltd
    Good gas leak detection instrument !!! High accurate test values :D
Contact Person : Lisa Niu
Phone Number : +86 15699785629
Whatsapp : +8615699785629

High Capacity Infrared CO2 Portable Handheld Carbon Dioxide Detector 0 - 20000ppm

Place of Origin China
Brand Name Zetron
Certification CE, ISO13485, ISO9001
Model Number RHB Series
Minimum Order Quantity 1
Delivery Time 3-7 days
Payment Terms T/T, D/A, L/C, D/P, Western Union, MoneyGram
Supply Ability 1000 set/month

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Measurement CO2 Warming Up Time 25s
Size 100*68*31.5mm Weight 5kg
High Light

20000ppm Handheld Carbon Dioxide Detector


High Capacity Portable Carbon Dioxide Detector

Leave a Message
Product Description

Infrared Carbon Dioxide Gas Detector



RHB series infrared carbon dioxide alarm detector is used in concentration detection of carbon dioxide and concentration excess alarm. It adopts international advanced NDIR non-dispersed gas analysis technique, CO2 measurement can not be interfered by other gases, it is simple to operate and convenient for carry.




• Proprietary infrared gas analysis technology, with high accuracy, high resolution, long life and easy maintenance.
• High and low alarm settings, two levels of audio and light alarms.
• Automatic zero calibration with air.
• Diffusion-type sampling methods.
• Real-time displaying gas concentration with LED.
• High-capacity rechargeable lithium battery.
• Dual-range setting with high concentrations of CO2 gas leak detection and alarm function.
• Small size, simple operation.


Generl Prameter
Measurement method  NDIR
Range C02: 05000ppm up to 0 20% vol
Warm up time 30s
Accuracy For range -5000 ppm to 0-20000 ppm ±25 PPM / ± 10% of reading 
  For the range 0 to1%vol: + 0.1%
  For range 1%vol: t(0.05%-5% of reading)
  For range 5-20%vol:±10% of reading
Response time T90≤25s at 20 ℃
Working voltage DC 3.7V: 1300mAh Lithium Battery
Signal output LED display, audible-visual alarming
Woking temperature -20-55℃
Dimension 100*68*31.5mm
Stand -by time ≥10 hrs
Lifespar ≥10 years




Portable CO2 detector is an ideal instrument with alarm function to detect the concentration of CO2, is widely used in:
1. Greenhouses.
2. Fruit/Vegetable Storage.
3. Incubators.
4. Mushroom Farms.
5. Brewing.
6. Ventilation Verification.
7. Carbonated Drink Dispensing.
8. Indoor air quality.
9. Parking areas for safety.

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.