Ambient Conditions; Measurement Accuracy - Dräger Alcotest 4000 Gebrauchsanweisung

Ambient conditions

During operation
During storage
Sampling
Respiratory volume
Breath flow
Breath length

Measurement accuracy

Standard deviation of repeatability with ethanol standard
Up to 0.50 mg/L
0.50 mg/L
Up to 1.00 ‰
1.00 ‰
Drift of sensitivity
Wait time for readiness to take measurement after a previous
measurement of:
0.25 mg/L
0.50 mg/L
1.00 mg/L
>1.50 mg/L
20 s
40 s
80 s
120 s
–5 to +50 °C
(23 °F to +122 °F)
10 to 100 % RH
(non-condensing)
600 to 1300 hPa
–20 to +60 °C
(–4 °F to +140 °F)
15 to 75 % RH (10 to 100 % RH <48 h)
>1.2 L (default setting)
>10 L/min (default setting)
>1.6 s (default setting)
0.008 mg/L
1.7 % of the measured value
0.017 ‰ or
1.7 % of the measured value
depending on which value is higher
Typically 0.4 % of the measured value per
month
0.50 ‰
1.00 ‰
2.00 ‰
>3.00 ‰
Technical data
20 s
40 s
80 s
120 s
en
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