Dräger Polytron 8000 Series Technical Manual

86 Technical Manual | Dräger Polytron
®
8000 Series
Factory default settings
Type 340
Calibration inter-
val
[days]
360 0 to 720
Response Normal Normal / Fast
Display capture
offset
0 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)
Display capture
low
-750 ppm
(methane)
-315 ppm
(propane)
-405 ppm
(ethylene)
Display capture
high
750 ppm
(methane)
315 ppm
(propane)
405 ppm
(ethylene)
1) The maximum Beam block limit depends on the type of transmitter and the selected measuring
gas.
Menu Default setting Range
Calibration gas Propane
Calibration gas
units
%LEL
Calibration gas
concentrations
50 %LEL
A1 Alarm 20 %LEL 0.01 to 100 Vol% at unit %LEL = 0.3 to 100
%LEL
A2 Alarm 40 %LEL
LEL type NIOSH IEC / PTB / NIOSH / configurable
Measured gas Propane
Measured gas
units
%LEL %LEL / Vol% / PPM / %LEL / %LIE
Full scale deflec-
tion
100 % LEL 20 to 100 %LEL
Beam block Off On / Off
Beam block cur-
rent
2 mA 0 to 3.5 mA
Beam block limit 2.5 %LEL
0 to max. 15 %LEL
1)
Calibration inter-
val
[days]
360 0 to 720
Response Normal Normal / Fast
Menu Default setting Range

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)