Can this be used in the cab of my van when it does a regenerates and the co2 burn off comes into the cab

In the gas industry the comfort level in an indoor environment should not exceed 0.28% CO2 or 2800 ppm over an 8 hour shift. The instrument is suitable to measure this figure and may help you. My advice is to speak to the manufacturer of the instrument to determine whether it is the best tool for the job. As a disclaimer, I’m giving best advice but cannot be accused of any wrong doing as the advice is regarding the gas industry, not regeneration from petroleum or Diesel engines.

How do you recalibrate this or who do you send it too

Hi, for calibration steps, please refer to the user manual page 8 - 9. LINK: https://cd50.net/wp-content/uploads/2022/07/7755_E.pdf

Does it show the level of co2 above 2000?

Hi, yes, it can show the reading which above 2000. The range of CO2 is 0~9999ppm (2001~9999 out of scale).

Does this comply to BS8494?

It works accordingly to BS 8494 but approved by BS is another matter.

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GAIN EXPRESS CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter

GAIN EXPRESS CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter

Product ID: 49256462

Details

Alarm
Audible
Brand
GAIN EXPRESS
Colour
Handheld Co2
Item weight
200 Grams
Manufacturer
Gain Express
Operating humidity
99 percent

💧Humidity 0.1~99.9% ±3%RH

💨CO2 range 0~9999ppm ±5-10%

🌡️Temp range -10~60°C ±0.6°C

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Description

🌬️ Breathe smarter, lead healthier — the ultimate CO2 monitor for the mindful professional.

DUAL POWER FLEXIBILITY - Runs on included battery or optional 9V adapter, with automatic power source switching for uninterrupted use.
PRECISION YOU CAN TRUST - High-accuracy NDIR sensor ensures reliable CO2 readings up to 9999ppm, perfect for critical air quality monitoring.
PORTABLE USER FRIENDLY - Ergonomic handheld design with easy manual calibration keeps you in control wherever you go.
ESSENTIAL FOR HEALTHY SPACES - Ideal for offices, classrooms, hospitals, and hotels to maintain optimal ventilation and safeguard wellbeing.
ALL IN ONE AIR QUALITY INSIGHT - Measures CO2, temperature, humidity, dew point, and wet bulb for comprehensive environmental awareness.

The GAIN EXPRESS Handheld CO2 Meter features a high-accuracy NDIR sensor with a wide measuring range up to 9999ppm CO2, plus temperature and humidity monitoring. Its ergonomic design and dual power options make it a versatile tool for real-time indoor air quality assessment in professional and public environments.

Specifications

ASIN	B0196APHHU
Alarm	Audible
Best Sellers Rank	105,356 in DIY & Tools ( See Top 100 in DIY & Tools ) 16 in CO2 Detectors
Brand	GAIN EXPRESS
Colour	Handheld Co2 Meter
Country of Origin	China
Customer Reviews	3.9 3.9 out of 5 stars (98)
Item Weight	200 Grams
Manufacturer	Gain Express Holdings Ltd.
Model Number	A017755
Operating Humidity	99 percent
Part Number	A017755
Power source	Battery Powered
Product Style	Ergonomic
Sensor Type	NDIR
UPC	600316560665
Unit Count	1.0 count

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