Gastec 30 Quick-measuring Detector tubes Hydrogen H2 (0.5~2%)
ManufacturerGastec(View more products from this manufacturer)
Model30
Contact
Secure Checkout
Quality Engagement
Easy change and return
Delivery Available
Measuring Range: 0.5~2%, Number of Pump Strokes 1
Sampling Time: 3 minutes per pump stroke
Colour Change: Yellow → Yellowish brown
Reaction Principle: H2 + Na2Pd(SO3)2 → Pd + Na2SO3 + H2SO3
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range | 0.5 to 2.0 % |
| Number of Pump Strokes | 1 |
| Correction Factor | 1 |
| Sampling Time | 3 minutes per pump stroke |
| Detecting Limit | 0.5%(n=1) |
| Colour Change | Yellow → Yellowish brown |
| Reaction Principle |
H2 + Na2Pd(SO3)2 → Pd + Na2SO3 + H2SO3 |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Unnecessary |
| Store the tubes at cool and dark place. | |
Special note
This is not a direct reading tube. Concentrations should be determined by using the concentration chart attached with this tube.
Possible coexisting substances and their interferences (NOTE)
| Substance | Interference | Change colour by itself to |
| Carbon monoxide, Hydrogen sulphide | Produce 2 layers (Yellowish brown and blackish brown) |
Dark brown |
| Acetylene | Produce 2 layers (Yellowish brown and blackish brown) |
Darkh brown |
| Ethylene | + | Yellowish brown |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | 4 to 75% |
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