Description
The Draeger 3735950 is the Carbon monoxide 2/a-P detector tube, measuring range 2 to 60 ppm, measuring time approx. 5 min (handbook). Sold by the box of 10, 10 single-use tubes. Used in the Draeger Aerotest compressed-air test units. Ships in 1–2 business days; most orders arrive in 3–7 business days. All Draeger tubes for Carbon monoxide.
Draeger 3735950 specifications
| Item | Draeger data |
|---|---|
| Part number | 3735950 |
| Gas or substance | Carbon monoxide |
| Tube type | 2/a-P |
| Measuring range | 2 to 60 ppm |
| Measuring time | approx. 5 min |
| Standard deviation | ± 10 to 15 % |
| Color change | white → brownish pink-green |
| Temperature | 0 to 50 °C |
| Humidity | 0 to 45 mg H2O/L |
| Reaction principle | H2S2O7 5 CO + I2O5 → I2 + 5 CO2 |
| Pack | Box of 10 |
| Pump | Used in the Draeger Aerotest compressed-air test units |
Source: Dräger-Tubes & MicroTubes Handbook, 22nd edition (order no. 90 92 086), Dräger Safety AG & Co. KGaA.
Cross-sensitivity (handbook): The following (each) have no effect on the reading of 10 ppm CO: 100 ppm hydrogen sulfide, 50 ppm sulfur dioxide, 15 ppm nitro- gen dioxide, 10 ppm CO + 200 ppm Octane: reading approx. 30 ppm, 10 ppm CO + 40 ppm Butadiene: reading approx. 15 ppm, 10 ppm CO + 30 (100) ppm Benzene: reading approx. 15 (20 - 30) ppm, 10 ppm CO + 40 ppm Chloroform: reading approx. 60 ppm, 10 (60) ppm Ethyne: reading approx. 5 (15) ppm. Dräger CMSDräger Aerotest
Carbon monoxide exposure limits
| Limit | Value |
|---|---|
| OSHA PEL | TWA 50 ppm (55 mg/m³) |
| NIOSH REL | TWA 35 ppm (40 mg/m³) C 200 ppm (229 mg/m³) |
| NIOSH IDLH | 1200 ppm |
| CAS number | 630-08-0 |
| Formula | CO |
| Conversion | 1 ppm = 1.15 mg/m³ |
Source: NIOSH Pocket Guide to Chemical Hazards, Carbon monoxide (OSHA PEL from 29 CFR 1910.1000 Table Z as listed there). TWA = 8-hour time-weighted average, ST = short-term (15-minute), C = ceiling, Ca = NIOSH potential occupational carcinogen.
Other Draeger tubes for Carbon monoxide
| Part number | Tube | Measuring range | Pack |
|---|---|---|---|
| CH29901 | Draeger Carbon Monoxide 0.3%/b Detector Tubes, Box of 10 | 0.3 to 7 Vol% | Box of 10 |
| CH20601 | Draeger Carbon Monoxide 10/b Detector Tubes, Box of 10 | 100 to 3000 ppm / 10 to 300 ppm | Box of 10 |
| 6733051 | Draeger Carbon Monoxide 2/a Detector Tubes, Box of 10 | 2 to 60 ppm / 25 to 300 ppm | Box of 10 |
| 6728511 | Draeger Carbon Monoxide 5/a-P Tubes for Aerotest, Box of 10 | 5-150 ppm | Box of 10 |
| CH25601 | Draeger Carbon Monoxide 5/c Detector Tubes, Box of 10 | 100 to 700 ppm / 5 to 150 ppm | Box of 10 |
| CH19701 | Draeger Carbon Monoxide 8/a Detector Tubes, Box of 10 | 8 to 150 ppm CO in H2 | Box of 10 |
Every Draeger tube for this gas, with live prices: Carbon monoxide detector tubes.
Draeger 3735950 questions
What does the Draeger 3735950 measure? Carbon monoxide, measuring range 2 to 60 ppm.
What is the color change on the 3735950? white → brownish pink-green, read against the scale printed on the tube.
Do Draeger 3735950 tubes expire? Yes. Draeger prints an expiration date (month and year) on the package; the handbook states a typical shelf life for the customer of up to two years, stored sealed at the temperature on the package strip (handbook section 2.13).
How many tubes are in a box of 3735950? 10. Each tube is used once.
What temperature and humidity is the 3735950 rated for? Temperature 0 to 50 °C, humidity 0 to 45 mg H2O/L (handbook).
Guides: what Draeger tubes measure · pump strokes and measuring time · how to read a tube · expiration and storage · cross-sensitivity · all tubes by gas and range.
