4 | QB1 User Manual
6. Low ow regulation knob, range 0.2 ÷ 3.0 Nl/
min
7. High ow regulation knob, range 2 ÷ 32 Nl/min
8. Sampled gas exhaust, equipped with 1/8” gas
threaded connector
9. Protection fuse box, type 5x20 T1.6A
10. Power switch
2
Parts identication
Connections panel QB1 V1.5 -
V3.0
1. Vacuum meter indicating the line pressure drop
with range 0 ÷ 1 Bar
2. Ball owmeter, with indication scale in Nl/min
(@ 20°C e 101.3 kPa)
3. Water trap inspection window
4. Dust protection lter cap
5. Sampling line quick connector
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