Dräger Polytron 8000 Serie Instructions For Use página 32

en Factory default settings
Menu Default setting
Hysteresis for A1 0.1 % LEL
alarm at direction
rising
Hysteresis for A2 0.1 % LEL
alarm at direction
rising
Full scale deflec- 10 % LEL
tion
Calibration inter- 180
val [days]
Display capture 0 % LEL
offset
Display capture -0.5 % LEL
low
Display capture 0.2 %LEL
high
1) For firmware versions < 3.0.0
®
15.3.4 Polytron 8310 IR
Menu Default setting
A1 Alarm 20 % LEL
A2 Alarm 40 % LEL
Hysteresis for A1 1 % LEL
alarm at direction
rising
Hysteresis for A2 1 % LEL
alarm at direction
rising
Calibration inter- 180
val [days]
Display capture 0 % LEL
offset
Display capture -3 % LEL
low
Display capture 2 %LEL
high
Full scale deflec- 100 %LEL
tion
®
15.3.5 Polytron 8700 IR
Type 334
Menu Default set-
ting
Calibration Methane
gas
Calibration %LEL
gas units
Range
0 to A1
0 to A2
1)
5 to 10 % LEL
1 to 10 % LEL
0 to 360
-0.5 to 0.4 % LEL
-0.5 to 0 % LEL
0 to 0.4 % LEL
Range
1 to 100 % LEL
0 to A1
0 to A2
0 to 360
-3 to 4 % LEL
-3 to 0% LEL
0 to 4% LEL
Range is not
adjustable
Range
Menu Default set-
ting
Calibration 50 %LEL
gas concen-
trations
A1 Alarm 20 %LEL
A2 Alarm 40 %LEL
LEL type NIOSH
Measured Methane
gas
Measured %LEL
gas units
Full scale 100 % LEL
deflection
Beam block Off
Beam block 2 mA
current
Beam block 7.5 %LEL
limit
Calibration 360
interval
[days]
Response Normal
Display cap- 0
ture offset
Display cap- -750 ppm
ture low (methane)
-315 ppm
(propane)
-405 ppm
(ethylene)
Display cap- 750 ppm
ture high (methane)
315 ppm
(propane)
405 ppm
(ethylene)
1) The maximum Beam block limit depends on the type of transmitter
and the selected measuring gas.
Type 340
Menu Default set-
ting
Calibration Propane
gas
Calibration %LEL
gas units
Calibration 50 %LEL
gas concen-
trations
Range
0.01 to 100 Vol% at unit
%LEL = 0.3 to 100 %LEL
IEC / PTB / NIOSH / configu-
rable
%LEL / 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 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)
Range
®
Dräger Polytron 8000 Series