Gastec 135L Quick-measuring Detector tubes 1,1,1-Trichloroethane CH3CCl3 (6~900ppm)
ManufacturerGastec(View more products from this manufacturer)
Model135L
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Indicator: 20 to 200 ppm
Measuring Range:
+ 6 to 20 ppm, Number of Pump Strokes 2
+ 20 to 200 ppm, Number of Pump Strokes 1
+ 200 to 900 ppm, Number of Pump Strokes 1/2
Sampling Time: 3 minute per pump stroke
Colour Change: White → Pale Pink
Coefficient of Variation: 10% (for 20 to 60 ppm), 5% (for 60 to 200 ppm)
Nr. of tests: 5
Pump: GV-100S/110S
Performance
| Measuring Range |
|
|||
| Number of Pump Strokes |
|
|||
| Correction Factor |
|
|||
| Sampling Time | 3 minutes per pump stroke | |||
| Detecting Limit | 3 ppm (n=2) | |||
| Colour Change | White → Pale Pink | |||
| Reaction Principle | 1,1,1-Trichloroethane reacts with oxidizing agent to produce intermediate products then it reacts with detecting agent to produce pale pink stain. | |||
| Coefficient of Variation | 10% (for 20 to 60 ppm), 5% (for 60 to 200 ppm) | |||
| Shelf Life | 2 Years | |||
| Corrections for temperature & humidity | Temperature correction is necessary | |||
| Store the tubes at cool and dark place. | ||||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Halogens | + | Pale pink | |
| Nitrogen oxides | + | Pale pink | |
| Saturated halogenated hydrocarbons | + | Pale pink |
Other substance measurable with this detector tube
| Substance | Correction Factor | No. of pump strokes | Measuring Range |
| 1,2-Dichloroethane | 5.2 | 1 | 104 to 1040 ppm |
| 1,1,2,2-Tetrabromoethane | 0.046 | 4 | 0.92 to 9.2 ppm |
| 1,2,3-Trichloropropane | 1.8 | 4 | 36 to 360 ppm |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 350 ppm | 450 ppm | - |
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