Dräger Polytron 8000 Serie Notice D'utilisation page 42

en | Factory default settings
14.3.7 Polytron 8700 IR
Type 334
Menu Default set-
ting
Test gas Methane
Test gas units %LEL
Test gas con- 50 %LEL
centrations
Alarm A1 20 %LEL
Alarm A2 40 %LEL
LEL type NIOSH
Measured Methane
gas
Units of mea- %LEL
sured gas
Full scale 100 %LEL
value
Beam block Off
Beam block 2 mA
current
Beam block 7.5 %LEL
limit
Adjustment 360
interval
[days]
Response normal
behavior
Display cap- 0
ture range off-
set
Display cap- -750 ppm
ture range (Methane)
low -315 ppm
(Propane)
-405 ppm
(Ethylene)
Display cap- 750 ppm
ture range (Methane)
high 315 ppm
(Propane)
405 ppm
(Ethylene)
1) The maximum limit of the beam block depends on the type of gas
detector and the measured gas selected.
42
Range
0.01 to 100 Vol% with %LEL
= 0.3 to 100 %LEL
IEC / PTB / NIOSH / configu-
rable
Vol.% / PPM / %LEL / %LIE
20 to 100 %LEL
On/Off
0 to 3.5 mA
1)
0 to max. 15 %LEL
0 to 720
normal / fast
The absolute values of the
display capture range must
be within these limits:
-1000 to 2200 ppm
(Methane type 334)
-850 to 850 ppm
(Propane type 334)
-1200 to 1150 ppm
(Ethylene type 334)
Instructions for use
Type 340
Menu Default set-
ting
Test gas Propane
Test gas units %LEL
Test gas con- 50 %LEL
centrations
Alarm A1 20 %LEL
Alarm A" 40 %LEL
LEL type NIOSH
Measured Propane
gas
Units of mea- %LEL
sured gas
Full scale 100 %LEL
value
Beam block Off
Beam block 2 mA
current
Beam block 2.5 %LEL
limit
Adjustment 360
interval
[days]
Response normal
behavior
Display cap- 0
ture range off-
set
Display cap- -750 ppm
ture range (Methane)
low -85 ppm
(Propane)
Display cap- 750 ppm
ture range (Methane)
high 85 ppm
(Propane)
1) The maximum limit of the beam block depends on the type of gas
detector and the measured gas selected.
|
Dräger Polytron
Range
0.01 to 100 Vol% with %LEL
= 0.3 to 100 %LEL
IEC / PTB / NIOSH / configu-
rable
Vol% / PPM / %LEL / %LIE
20 to 100 %LEL
On/Off
0 to 3.5 mA
1)
0 to max. 15 %LEL
0 to 720
normal / fast
The absolute values of the
display capture range must
be within these limits:
-850 to 425 ppm
(Propane type 340)
-1800 to 2200 ppm
(Methane type 340)
®
8000 Series SW version ≥ 4.0.x