Description
The Draeger 3706171 is the Nitrous fumes 20/b detector tube, measuring range 20 to 500 ppm, 2 pump strokes, measuring time approx. 30 s (handbook, p. 233). Sold by the box of 10, 10 single-use tubes. Read on a Draeger accuro or X-act 5000 tube pump. Ships in 1–2 business days; most orders arrive in 3–7 business days. All Draeger tubes for Nitrous fumes.
Draeger 3706171 specifications
| Item | Draeger data |
|---|---|
| Part number | 3706171 |
| Gas or substance | Nitrous fumes |
| Tube type | 20/b |
| Measuring range | 20 to 500 ppm |
| Number of strokes (n) | 2 |
| Measuring time | approx. 30 s |
| Standard deviation | ± 10 to 15 % |
| Color change | gray → orange-brown |
| Temperature | 15 to 40 °C |
| Humidity | 3 to 40 mg H2O/L |
| Reaction principle | a) NO + Ox → NO2 b) NO2 + o-tolidine → orange-brown reaction product |
| Pack | Box of 10 |
| Pump | Read on a Draeger accuro or X-act 5000 tube pump |
Source: Dräger-Tubes & MicroTubes Handbook, 22nd edition (order no. 90 92 086), p. 233, Dräger Safety AG & Co. KGaA.
Cross-sensitivity (handbook, p. 233): Chlorine and ozone have no effect in their OEL ranges.
Nitrous fumes exposure limits
| Limit | Value |
|---|---|
| OSHA PEL | C 5 ppm (9 mg/m³) |
| NIOSH REL | ST 1 ppm (1.8 mg/m³) |
| NIOSH IDLH | 13 ppm |
| CAS number | 10102-44-0 |
| Formula | NO₂ |
| Conversion | 1 ppm = 1.88 mg/m³ |
Source: NIOSH Pocket Guide to Chemical Hazards, Nitrogen dioxide (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 Nitrous fumes
| Part number | Tube | Measuring range | Pack |
|---|---|---|---|
| 8103661 | Draeger Nitrous Fumes 0.2/a Detector Tubes, Box of 10 | 0.2 to 6 ppm | Box of 10 |
| CH31001 | Draeger Nitrous Fumes 2/a Detector Tubes, Box of 10 | 5 to 100 ppm / 2 to 50 ppm | Box of 10 |
| 8103941 | Draeger Nitrous Fumes 50/b Detector Tubes, Box of 10 | 50 to 1000 ppm / 2000 to 4000 ppm | Box of 10 |
Every Draeger tube for this gas, with live prices: Nitrous fumes detector tubes.
Draeger 3706171 questions
What does the Draeger 3706171 measure? Nitrous fumes in air, measuring range 20 to 500 ppm.
How many pump strokes does the 3706171 take? 2 strokes (n) per the handbook, p. 233. Measuring time approx. 30 s.
Which pump does the 3706171 use? A Draeger tube pump: the accuro hand pump or the X-act 5000. Per the handbook (p. 28–29), Draeger short-term tubes and Draeger tube pumps are matched at the factory and form a single unit; using other pumps with Draeger tubes, or other tubes with Draeger pumps, can impair the measurement.
What is the color change on the 3706171? gray → orange-brown, read against the scale printed on the tube.
Do Draeger 3706171 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 3706171? 10. Each tube is used once.
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.
