Gastec 130L Quick-measuring Detector tubes Vinylidene chloride CH2:CCl2 (0.4~ 40.6 ppm)
ManufacturerGastec(View more products from this manufacturer)
Model130L
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 1 to 14 ppm
Measuring Range:
+ 0.4 to 1 ppm, Number of Pump Strokes 2
+ 1 to 14 ppm, Number of Pump Strokes 1
+ 14 to 40.6 ppm, Number of Pump Strokes 1/2 (45 seconds per of pumb stroke)
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Reddish brown
Reaction Principle: CH2:CCl2 + Cr6+ + H2SO4 → HCl, HCl+ Base → Reddish brown product
Coefficient of Variation: 10% (for 1 to 4 ppm), 5% (for 4 to 14 ppm)
Nr. of tests: 5
Pump: GV-100S/110S
Performance
| Measuring Range |
|
|||
| Number of Pump Strokes |
|
|||
| Correction Factor |
|
|||
| Sampling Time |
|
|||
| Detecting Limit | 0.1 ppm (n=2) | |||
| Colour Change | Yellow → Reddish brown | |||
| Reaction Principle | CH2:CCl2 + Cr6+ + H2SO4 → HCl HCl+ Base → Reddish brown product |
|||
| Coefficient of Variation | 10% (for 1 to 4 ppm), 5% (for 4 to 14 ppm) | |||
| Shelf Life | 2 Years | |||
| Corrections for temperature & humidity | Unnecessary | |||
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | ||||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Ethylene | ≧ 300 ppm |  |
No |
| Vinyl chloride | ≧ 1/7 | + | Reddish brown |
| Tetrachloroethylene | ≧ 4 times | + | Reddish brown |
| Trichloroethylene | ≧ 1/1 | + | Reddish brown |
| Toluene | ≧ 500 ppm | |
No |
| Benzene | ≧ 400 ppm | |
No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 5 ppm(2014) | - | 5.6 to 11.4% |
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