Dräger Alcotest 3820 - Measurement accuracy and calibration; Dimensions and weight

Dräger Alcotest 3820 17
Technical data
17
en
Measurement accuracy
Standard deviation of the repeatability with ethyl alcohol standard
up to 0.50 mg/L 0.008 mg/L
≥0.50 mg/L 1.7% of the measured value
up to 0.100 % BAC 0.0017 % BAC or
≥ 0.100 % BAC 1.7% of the measured value
whichever value is higher
Sensitivity drift
Typically 0.4 % of the measured value per month
Wait time for measurement readiness following a previous
measurement with:
0.25 mg/L 20 s 0.050 % BAC 20 s
0.50 mg/L 40 s 0.100 % BAC 40 s
1.00 mg/L 80 s 0.200 % BAC 80 s
>1.50 mg/L 120 s >0.300 % BAC 120 s
Calibration
every 12 months
Dimensions
2 “ x 5.2 “ x 1.1 “(W x H x D)
Weight
approx. 120g / 4.2 oz