| performance |
measuring range | 0.2 to 5.0 mg/m3 |
|
|
samplingrate | 1000ml/min(20000ml) |
|
|
correction factor | 1 |
|
|
sampling time | 20 minutes | ||
detecting limit |
| ||
color change | pale red → pale blue | ||
reaction principle | oil + cr6+ → cr3+ | ||
| coefficientof variation | 15% (for 0.2 to 1.0mg/m3) , 10% (for 1.0 to 5.0mg/m3) | ||
| shelflife | 2 years | ||
| correctionsfor temperature | unnecessary for 0 to40 | ||
correctionsfor humidity unnecessary for r.h.0 to 90% store the tubes at cool and darkplace. | |||
| possible coexistingsubstances and their interferences | (note) |
substance | concentration | interference | change color by itself |
- | - | - | - |
- | - | - | - |
- | - | - | - |
- | - | - | - |
- | - | - | - |
| other substance measurable with this detectortube |
| calibration gasgeneration | diffusion tube method | |
| tlv-twa | tlv-stel | explosiverange |
| - | - | - |
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