Dräger Polytron 8000 Series Technical Manual

Technical Manual | Dräger Polytron
®
8000 Series 89
Technical data
17 Technical data
17.1 Measuring ranges
17.2 Signal transmission to control unit
The measuring range and performance characteristics depend on the installed
sensor (see the Instructions for Use and/or data sheet for the installed sensors).
Frequency of measurement calculation: 1 x per second (update of display, analog
interface and relays).
Sensor Measuring range
Polytron
®
8100 EC with DrägerSensor
®
EC
Depending on the sensor
Polytron
®
8200 CAT with DrägerSen-
sor
®
DQ
0 to 100 %LEL
Polytron
®
8200 CAT with DrägerSen-
sor
®
LC
0 to 10 %LEL
1)
1) For adjustable full scale deflection, see 15.3.
Polytron
®
8310 IR with DrägerSensor
®
IR
0 to 100 %LEL
Polytron
®
8700 IR with PIR 7000 infra-
red gas sensor
Type 334 (IDS 01x1)
0 to 10,000 ppm
1)
0 to 100 %LEL,
1)
0 to 5 Vol%,
1)
For CH4 (Methane) 0 to 100 Vol%
1)
Type 340 (IDS 01x2)
0 to 10,000 ppm
1)
0 to 100 %LEL
1)
0 to 5 Vol%
1)
Polytron
®
8720 IR with PIR 7200 infra-
red gas sensor
(IDS 01x5)
0 to 100 Vol%
1)
Analog signal
Normal operation 4 ... 20 mA
Drift below zero 3,8 ... 4 mA
Measuring range exceeded 20 ... 20,5 mA
Instrument fault  1.2 mA
Fault on analog interface > 21 mA
Maintenance signal 3.4 mA steady signal or 1 Hz modulation
between 3 and 5 mA (selectable)

Dräger Polytron 8000 Series Specifications

General

Ingress Protection	IP66/67
Detection Principle	Electrochemical, Infrared, Catalytic Bead
Gases Detected	Combustible gases, toxic gases, and oxygen
Display	LCD with backlight
Humidity Range	0 to 99% RH (non-condensing)
Housing Material	Stainless steel
Output Signal	4-20 mA, HART, RS-485 Modbus
Power Supply	10 to 30 V DC
Certifications	ATEX, IECEx, CSA
Temperature Range	-40 °C to +65 °C (depending on sensor)