Millwatch/Silowatch
Single Stream
User Guide
Page 6
5.1 Connecting the Autocal Unit*
*
Millwatch / Silowatch (CO single stream, including high-CO)
Nº Description
1 Not used
2 Instrument air (for calibration)
3 Not used
4 CO calibration gas
5 Not used
6 Not used
7 High-range CO calibration gas
8
Condensate drain (½” - 14 NPT Thread)
9 Cable glands
10 Safety pressure exit
11 Not used
12 By-pass gas exhaust (Red channel)
13 By-pass gas exhaust (Blue channel)
14 Sample gas exhaust (Blue channel)
15 Sample gas exhaust (Red channel)
16 Ambient air inlet
17 Blanking plug