Dräger Polytron 8000 Serie Notice D'utilisation page 43

14.3.8 Polytron 8720 IR
Menu Default set-
ting
Test gas CO
2
Test gas units Vol%
Test gas con- 4.0 Vol%
centrations
Alarm A1 1 Vol%
Alarm A2 2 Vol%
LEL type -
Measured gas CO
2
Units of mea- Vol%
sured gas
Full scale 10 Vol%
value
Beam block Off
Beam block 2 mA
current
Beam block 0.1 Vol%
limit
Adjustment 360
interval
[days]
Response normal
behavior
Display cap- 340 ppm
ture range off-
set
Display cap- -200 ppm
ture range low
Display cap- 200 ppm
ture range
high
15 Disposal
This product must not be disposed of as household
waste. This is indicated by the adjacent icon.
You can return this product to Dräger free of charge. For
information please contact the national marketing
organisations and Dräger.
Disposal of electrochemical sensors
WARNING
Danger of explosions and risk of chemical burns!
Sensor fluids may leak out and can cause acid burns.
► Do not dispose sensors in fire.
► Do not open with force.
Instructions for use |
Dräger Polytron
Range
0.2 to 100 Vol%
0.01 to 100 Vol%
Vol% / ppm
0.2 to 100 Vol%
On/Off
0 to 3.5 mA
0 to 0.1 Vol%
0 to 720
normal / fast
The absolute values of the
display capture range must
be within these limits:
-1000 to 1000 ppm
(carbon dioxide)
®
8000 Series SW version ≥ 4.0.x
16 Technical data
16.1 Measuring ranges
Sensor
Polytron 8100 EC with
®
DrägerSensor EC
Polytron 8200 CAT with
®
DrägerSensor DQ
Polytron 8200 CAT with
®
DrägerSensor LC
Polytron 8310 IR with Dräger-
®
Sensor IR
Polytron 8700 IR with
PIR 7000 infrared gas sensor
Type 334 (IDS 01x1)
Type 340 (IDS 01x2)
Polytron 8720 IR with
PIR 7200 infrared gas sensor
(IDS 01x5)
1) For adjustable full scale deflection, see 14.3.
2) Range changes depending on the substance to be measured
16.2 Signal transmission to the controller
The measuring range and performance characteristics
depend on the installed sensor (see the instructions for use
for the installed sensor).
Frequency of measurement calculation: 1 x per second
(update of display, analog interface and relays).
Analog signal
Normal operation
Drift below zero
Over range
Instrument fault
Fault on analog
interface
Maintenance signal
Disposal
Measuring range
Depending on sensor
0 to 100 %LEL
1)
0 to 10 %LEL
0 to 100 %LEL
1)
0 to 10,000 ppm
1)
0 to 100 %LEL,
0 to
(1.25 x LEL ) Vol%,
max
For CH4 (methane) 0 to
1)
100 Vol%
1)
0 to 10,000 ppm
1)
0 to 100 %LEL
1)
0 to 5 Vol%
1)
0 to 100 Vol%
4 ... 20 mA
3.8 ... 4 mA
20 ... 20.5 mA
≤ 1.2 mA
> 21 mA
3.4 mA steady signal or 1 Hz mod-
ulation between 3 and 5 mA
(selectable)
| en
1)2)
43