Technical Manual
|
Dräger Polytron
®
8000 Series
85
Factory default settings
15.3.6 Polytron
®
8310 IR
15.3.7 Polytron
®
8700 IR
Type 334
Sensor
Partnum-
ber
Range
Default value% LEL
Min.
Default
Max.
A1
A2
PR DD/DQ
68 12 380
0
100
100
20
40
Menu
Default setting
Range
A1 Alarm
20 % LEL
1 to 100 % LEL
A2 Alarm
40 % LEL
Hysteresis for A1
alarm at direc-
tion rising
1 % LEL
0 to A1
Hysteresis for A2
alarm at direc-
tion rising
1 % LEL
0 to A2
Calibration inter-
val [days]
180
0 to 360
Display capture
offset
0 % LEL
-3 to 4 % LEL
Display capture
low
-3 % LEL
-3 to 0% LEL
Display capture
high
2 %LEL
0 to 4% LEL
Full scale deflec-
tion
100 %LEL
Range is not adjustable
Menu
Default setting
Range
Calibration gas
Methane
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
Methane
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 7.5 %LEL
0 to max. 15 %LEL
1)
