Zeta Alarm Systems.
Classic 2000 Mk II Operation Manual
Revision 1.0
Part # MAN-Z3K-01
Page 105
Appendix I: Analog Value Conversion Table
Ion Analog Value Conversion to
UL Obscuration Percentage*
(before drift compensation)
Analog Value Display
(Counts)
Uncompensated UL Smoke Box
(Obscuration %/ft)
53
0.6
54-57
0.7
58-61
0.8
62-65
0.9
66-68
1
69-70
1.1
71-73
1.2
Assumes ambient clean air level of 25 counts*
Temperature Sensor Analog Value
Celsius to Fahrenheit Conversion*
Analog (Celsius)
Value Display
Fahrenheit
Conversion Temperature
40
104
45
113
50
122
55
131
60
140
65
149
70
158
75
167
80
176
85
185
90
194