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Millwatch/Silowatch
Single Stream
User Guide
18.3.2 Menu options - Silowatch (CO & O2 single stream)
ALARM A
2000 ppm CO alarm level 0 to 4000 in units of 10
O/P1 MIN
4 mA
CO minimum current of analogue output 0, 2 or 4 mA
O/P1 MAX
20 mA
CO maximum current of analogue output 0, 2 or 4 mA
O/P1 SPAN
500 ppm
CO full scale of analogue output 20 to 4000 in units of 10
O/P1 Damper
1
CO current loop output response time seconds
O/P2 MIN
4 mA
O
2
minimum current of analogue output 0, 2 or 4 mA
O/P2 MAX
20 mA
O
2
maximum current of analogue output 0, 2 or 4 mA
O/P2 SPAN
25
O
2
full scale of analogue output 0 to 25 in units of 1%
O/P2 Damper
1
O
2
current loop output response time seconds
A RED COEF 1
CO span calibration constant for red channel
A RED COEF 2
0
CO mid point calibration constant for red channel
A BLUE COEF 1
CO span calibration constant for blue channel
A BLUE COEF 2
0
CO mid point calibration constant for blue channel
A RED COEF 1
O
2
span calibration constant for red channel
A RED COEF 2
0
O
2
mid point calibration constant for red channel
A BLUE COEF 1
O
2
span calibration constant for blue channel
A BLUE COEF 2
0
O
2
mid point calibration constant for blue channel
PUMP INTERVAL
1 minute
Time between peristaltic pump operations - must be set to 1 minute
BLOW-BK INT
60 m
Time between blow-backs
UNITS
PPM
Units for gas concentration ppm mg/nm
3
WET ANALYSIS
NO
Wet analysis applied to gas calculation YES or NO
WATER
0.0%
H
2
O water vapour concentration for wet analysis
0 to 25% in units of 0.01
SHOW NEGATIVE
NO
Permits negative readings to be displayed and output
ENTRY CODE
4
The password is factory-set to 4 (0 to 999)
BLOWBACK?
NO
Set to YES to manually purge the probe(s) (YES or NO)
SET CLOCK
NO
Set to YES to set the time and day
CLEAR FAULTS
NO
Set to YES to clear faults (persisting faults will not clear)
RESTORE CONST
NO
Set to YES to restore previous calibration constants
MID AL
200 ppm
Mid alarm point for gas stream A 0 to 4000 in units of 10
To exit this menu press GAS READINGS