Gastec 23M Quick-measuring Detector tubes Chlorine dioxide ClO2 (0.1~10ppm)
ManufacturerGastec(View more products from this manufacturer)
Model23M
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 0.5 to 5 ppm
Measuring Range:
+0.1 to 0.5 ppm , Number of Pump Strokes 2 to
+ 0.5 to 5 ppm, Number of Pump Strokes 1
+ 5 to 10 ppm, Number of Pump Strokes 1/2
Sampling Time: 1 minute per pump stroke
Colour Change: White → Pale pink
Coefficient of Variation: 10% (for 0.05 to 2 ppm), 5% (for 2 to 5 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range |
|
|||
| Number of Pump Strokes |
|
|||
| Correction Factor |
|
|||
| Sampling Time | 1 minute per pump stroke | |||
| Detecting Limit | 0.05 ppm (n=5) | |||
| Colour Change | White → Pale pink | |||
| Reaction Principle | Chlorine dioxide oxidises the indicator to produce Pale pink discolouration. | |||
| Coefficient of Variation | 10% (for 0.05 to 2 ppm), 5% (for 2 to 5 ppm) | |||
| Shelf Life | 3 Years | |||
| Corrections for temperature & humidity | Unnecessary | |||
| Store the tubes in dark and cool place. | ||||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Nitric oxide | + | Pale pink | |
| Ozone | + | Pale pink | |
| Nitrogen dioxide | + | Pale pink | |
| Chlorine | + | Pale pink | |
| Bromine, Iodine | + | Pale pink |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.1 ppm(2014) | 0.3 ppm(2014) | - |
Stay Updated with Offers
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.
Quick Support
Direct access to our certified experts