WatchGas BAT-1, Manual

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