Gastec 1HH Quick-measuring Detector tubes Carbon monoxide CO (1-50%)
ManufacturerGastec(View more products from this manufacturer)
Model1HH
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 2~50%
Measuring Range:
+ 1 ~ 2%, 1 Number of Pump Strokes
+ 2 ~ 50%, 1/2 Number of Pump Strokes
Sampling Time: 1 minute per 1/2 pump stroke
Colour Change: White → Blackish brown
Reaction Principle: 5CO + I2O5 + H2S2O7 → I2
Coefficient of Variation: 10% (for 2 to 15 %), 5% (for 15 to 50 %)
Nr. of tests: 10
Pump: GV-100S/110S
| t of Variation | 10% (for 2 to 15 %), 5% (for 15 to 50 %) |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Unnecessary |
| Store the tubes at cool and dark place. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Acetylene |  0.2% |
Puls error | Blackish brown |
| Olefines (Ethylene, Propylene) |
2/3 |
Puls error | Brown |
| Butane | 1% |
Puls error | Pale brown (whole layer) |
| Propane | 20% |
Puls error |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm(2014) | - | 12.5 to 74% |
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