Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts

Quantity of tubes/box: 10
Application: Indoor air pollutants
Gas to be measured: Nitrogen dioxide
Measuring range: 0.01-0.10 ppm/ 0.02-0.20 ppm
Sampling time: 200ml/min x 20 mins/ 200ml/min x 10 mins
Detectable limit: 0.002 ppm(at the sampling of 200mL/min×20min)
Shelf life: 2 year
Operating temperature: 0~40℃
Temperature compensation: Necessary(30~40℃)(See "TEMPERATURE CORRECTION TABLE")
Operating humidity: 5~90%R.H. at 20~40℃/ 20~90%R.H. at 0~20℃
Reading: Direct reading from the scale calibrated at the sampling of 200mL/min ×20min
Colour change: white →Reddish purple
