Operation 3-9
11. Reconnect the TB1-8 wire and normal system operation will begin.
12. When the reference gas cycles on, adjust the reference flow control (2) to the flowmeter mark,
and the back pressure to 103 kPa gauge (15 PSIG).
13. Re-install the lid on the field unit.
Table II: Bubble-O-Meter Pressure Temperature Chart
Tgas (°C) P2 (mm Hg) Tgas (°C) P2 (mm Hg) Tgas (°C) P2 (mm Hg) Tgas (°C) P2 (mm Hg)
–15 1.4 2 5.3 19 16.5 36 44.6
–14 1.6 3 5.7 20 17.5 37 47.1
–13 1.7 4 6.1 21 18.6 38 49.7
–12 1.8 5 6.5 22 19.8 39 52.4
–11 2.0 6 7.0 23 21.1 40 55.3
–10 2.1 7 7.5 24 22.4 41 58.3
–9 2.3 8 8.0 25 23.8 42 61.5
–8 2.5 9 8.6 26 25.2 43 64.8
–7 2.7 10 9.2 27 26.7 44 68.3
–6 2.9 11 9.8 28 28.3 45 71.9
–5 3.1 12 10.5 29 30.0 46 75.7
–4 3.4 13 11.2 30 31.8 47 79.6
–3 3.7 14 12.0 31 33.7 48 83.7
–2 4.0 15 12.8 32 35.7 49 88.2
–1 4.3 16 13.6 33 37.7 50 92.5
0 4.6 17 14.5 34 39.9
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