86
Technical Manual
|
Dräger Polytron
®
8000 Series
Factory default settings
Type 340
Calibration inter-
val
[days]
360
0 to 720
Response
Normal
Normal / Fast
Display capture
offset
0
The absolute values of the display capture
must be inside these limits:
-1000 to 2200 ppm
(methane Type 334)
-850 to 850 ppm
(propane Type 334)
-1200 to 1150 ppm
(ethylene Type 334)
Display capture
low
-750 ppm
(methane)
-315 ppm
(propane)
-405 ppm
(ethylene)
Display capture
high
750 ppm
(methane)
315 ppm
(propane)
405 ppm
(ethylene)
1) The maximum Beam block limit depends on the type of transmitter and the selected measuring
gas.
Menu
Default setting
Range
Calibration gas
Propane
Calibration gas
units
%LEL
Calibration gas
concentrations
50 %LEL
A1 Alarm
20 %LEL
0.01 to 100 Vol% at unit %LEL = 0.3 to 100
%LEL
A2 Alarm
40 %LEL
LEL type
NIOSH
IEC / PTB / NIOSH / configurable
Measured gas
Propane
Measured gas
units
%LEL
%LEL / Vol% / PPM / %LEL / %LIE
Full scale deflec-
tion
100 % LEL
20 to 100 %LEL
Beam block
Off
On / Off
Beam block cur-
rent
2 mA
0 to 3.5 mA
Beam block limit 2.5 %LEL
0 to max. 15 %LEL
1)
Calibration inter-
val
[days]
360
0 to 720
Response
Normal
Normal / Fast
Menu
Default setting
Range