Dräger Pac 6*00, Instructions For Use Manual

Page: 21 / 208

Dräger Alcotest 3820 21
Use
21
en
4.2.1 Performing a manual bump test
WARNING
Danger to health! Do not inhale the test gas.
► Pay attention to the hazard information in the respective safety data
sheets.
Two modes can be selected for a bump test. Use the Dräger CC-Vision PC
software to set the mode.
 Quick bump test (test for alarm triggering)
 Advanced bump test (test for accuracy)
For further information on the 2 bump test modes, see the technical manual
(order no. 90 33 742). The technical manual can be downloaded on the gas
detector’s product page under the following internet address:
www.draeger.com.
The bump test can be performed as follows:

Manual bump test
 Bump test with X-dock (see instructions for use for the Dräger X-dock)
 Bump test with Bumptest Station (see quick guide to the Bumptest Station)
Prerequisites for the manual bump test:
 The gas detector is switched on.
 Suitable test gas cylinder available, e.g. test gas cylinder (order no.
68 11 130) with the following mixed gas ratios: 50 ppm CO, 15 ppm H
2
S,
2.5 Vol% CH
4
, 18 Vol% O
2
To perform a manual bump test (configurable):
 See page 207, fig. E.
The result of the bump test (passed or failed) is saved in the data logger.
4.2.2 Display the peak concentration (Peak), time-weighted average
(TWA) and the short-term exposure limit (STEL)
1. Press the [OK] key in measuring mode.

This displays the peak concentration and the icon for peak concentration.
2. Press the [OK] key repeatedly to display the Peak, TWA
1)
and STEL
1)
in
succession (TWA and STEL only for Pac 6500/8xx0, not for Pac 6000).
1) configurable