Description
The Draeger CH21001 is the Ozone 10/a detector tube, measuring range 20 to 300 ppm, 1 pump strokes, measuring time approx. 20 s (handbook, p. 240). 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 Ozone.
Draeger CH21001 specifications
| Item | Draeger data |
|---|---|
| Part number | CH21001 |
| Gas or substance | Ozone |
| Tube type | 10/a |
| Measuring range | 20 to 300 ppm |
| Number of strokes (n) | 1 |
| Measuring time | approx. 20 s |
| Standard deviation | ± 10 to 15 % |
| Color change | greenish blue → yellow |
| Temperature | 0 to 40 °C |
| Humidity | 2 to 30 mg H2O/L |
| Reaction principle | O3 + indigo → isatin |
| 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. 240, Dräger Safety AG & Co. KGaA.
Cross-sensitivity (handbook, p. 240): The indication is not affected by: 1 ppm sulfur dioxide 1 ppm chlorine 1 ppm nitrogen dioxide Higher concentrations of chlorine and nitrogen dioxide discolor the indicating layer a diffuse yellowy gray.
Ozone exposure limits
| Limit | Value |
|---|---|
| OSHA PEL | TWA 0.1 ppm (0.2 mg/m³) |
| NIOSH REL | C 0.1 ppm (0.2 mg/m³) |
| NIOSH IDLH | 5 ppm |
| CAS number | 10028-15-6 |
| Formula | O₃ |
| Conversion | 1 ppm = 1.96 mg/m³ |
Source: NIOSH Pocket Guide to Chemical Hazards, Ozone (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 Ozone
| Part number | Tube | Measuring range | Pack |
|---|---|---|---|
| 6733181 | Draeger Ozone 0.05/b Detector Tubes, Box of 10 | 0.05 to 0.7 ppm | Box of 10 |
Every Draeger tube for this gas, with live prices: Ozone detector tubes.
Draeger CH21001 questions
What does the Draeger CH21001 measure? Ozone in air, measuring range 20 to 300 ppm.
How many pump strokes does the CH21001 take? 1 strokes (n) per the handbook, p. 240. Measuring time approx. 20 s.
Which pump does the CH21001 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 CH21001? greenish blue → yellow, read against the scale printed on the tube.
Do Draeger CH21001 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 CH21001? 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.
