Disposal; Technical Data; Signal Transmission To Control Unit; Cable Specifications - Dräger Polytron 8900 UGLD Instrucciones De Uso

Menu Default setting
Hysteresis for A1 0
alarm at direction
rising
Hysteresis for A2 0
alarm at direction
rising
Calibration inter- 3650
val [days]
Display capture 0% (< 55 dB)
offset to
100% (110 dB)
Display capture 2 %
low
Display capture 2 %
high
14

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.
15

Technical data

15.1 Signal transmission to control unit

Frequency of measurement calculation: 1 x per second
(update of display, analog interface and relays).
Analog signal
Normal operation
Drift below zero
Measuring range
exceeded
Instrument fault
Fault on analog
interface
Maintenance signal
Instructions for use |
Dräger Polytron
Range
0 to A1
0 to A2
0 to 5475
not adjustable
-6 to 0 %
0 to 6 %
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)
®
8900 UGLD
Impedance of the signal loop
Operating Impedance
mode range of the
signal loop
Operation 0 to 230 Ω
without
Rising linearly
®
HART com-
with the supply
munication
voltage from:
0 to 230 Ω at 10
V to
0 to 500 Ω at 16
V
0 to 500 Ω
Operation 230 to 270 Ω
®
with HART
Rising linearly
communica-
with the supply
tion
voltage from:
230 to 270 Ω at
11 V to
230 to 500 Ω at
16 V
230 to 500 Ω
230 to 500 Ω
®
HART Mul-
tidrop opera-
tion

15.2 Cable specifications

For non-conduit installations Dräger recommends using
shielded cables.
Analog / HART connection with control unit and power sup-
ply
Power supply and
signals
Relays

15.3 Power supply

Power supply
Operating voltage
Inrush current
Operating current (max.)
without relay, non-
remote sensor
with relay, remote
sensor
1) Values are valid at 24 V DC operating voltage.
Disposal
Supply voltage range
at 10 V DC
10 to 18 V DC
18 to 30 V DC
at 13 V DC
11 to 16 V DC
18 to 30 V DC
10 to 30 V DC
3-core shielded cable
24 - 12 AWG / 0.2 - 2.5 mm²
20 -12 AWG / 0.5 - 2.5 mm²
10 to 30 V at the instrument
2.3 A for 2 ms at 24 V ,10 Ω
resistor
1)
80 mA
100 mA
|
en
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