Dräger Polytron 8000 Series, Техническое руководство

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Technical Manual
|
Dräger Polytron
®
8000 Series
87
Factory default settings
15.3.8 Polytron
®
8720 IR
Display capture
offset 0 The absolute values of the display capture
must be inside these limits:
-850 to 425 ppm
(propane Type 340)
-1800 to 2200 ppm
(methane Type 340)
Display capture
low -750 ppm
(methane)
-85 ppm
(propane)
Display capture
high 750 ppm
(methane)
85 ppm
(propane)
1) The maximum Beam block limit depends on the type of transmitter and the selected measuring
gas.
Menu Default setting Range
Menu Default setting Range
Calibration gas CO
2
Calibration gas
units Vol%
Calibration gas
concentrations 4.0 Vol% 0.2 to 100 Vol%
A1 Alarm 1 Vol% 0.01 to 100 Vol%
A2 Alarm 2 Vol%
LEL type -
Measured gas CO
2
Measured gas
units Vol% Vol% / PPM
Full scale deflec-
tion 10 Vol% 0.2 to 100 Vol%
Beam block Off On / Off
Beam block cur-
rent 2 mA 0 to 3.5 mA
Beam block limit 0.1 Vol% 0 to 0.1 Vol%
Calibration inter-
val
[days] 360 0 to 720
Response Normal Normal / Fast
Display capture
offset 340 ppm The absolute values of the display capture
must be inside these limits:
-1000 to 1000 ppm
(carbon dioxide)
Display capture
low -200 ppm
Display capture
high 200 ppm