Operating Instructions; Preparing For Measuring - WatchGas BAT-1 Manual

5. Operating Instructions

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5.1 Preparing for Measuring

First follow these steps before performing the test in 5.2 or 5.3.
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First it is important to determine the detection limit of the oil typ using table 7.
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Determine sampling time according the threshold value to be detected using table 8.
Table 7: Detection limits
Oil
Mobil Rarus 425
Mobil Rarus 427
Mobil Rarus 827
Liqui Moly LM 750 SAE 40
Dräger U10822/U10823
Other oils on request
Table 8: Measurement time for evaluated reference value
Evaluated
Detection detection limit 0.1
limit mg/m3
5 µg 25 min
10 µg 50 min
15 µg 75 min
20 µg 100 min
25 µg 125 min
30 µg 150 min
40 µg -
50 µg -
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Clean valve of compressed gas cylinders or charging connections of compressor with brief burst
of air.
Figure 2: 200 & 300 bar compressor adapters
● WatchGas B.V.
●
Detection
limit
5 µg
10 µg
25 µg
40 µg
40 µg
-
Evaluated
detection limit 0.3
mg/m3
8 min
17 min
25 min
33 min
42 min
50 min
67 min
83 min
● Klaverbaan 121, 2908KD, Capelle a/d IJssel, The Netherlands
T: +31 (0) 85 0187709 ● info@watchgas.eu
Evaluated
detection limit 0.5 Evaluated detection
mg/m3 limit 1.0 mg/m3
5 min 3 min
10 min 5 min
15 min 8 min
20 min 10 min
25 min 13 min
30 min 15 min
40 min 20 min
50 min 25 min
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