Dräger Polytron 8000 Series Technical Manual

Technical Manual | Dräger Polytron
®
8000 Series 85
Factory default settings
15.3.6 Polytron
®
8310 IR
15.3.7 Polytron
®
8700 IR
Type 334
Sensor
Partnum-
ber
Range Default value% LEL
Min. Default Max. A1 A2
PR DD/DQ 68 12 380 0 100 100 20 40
Menu Default setting Range
A1 Alarm 20 % LEL 1 to 100 % LEL
A2 Alarm 40 % LEL
Hysteresis for A1
alarm at direc-
tion rising
1 % LEL 0 to A1
Hysteresis for A2
alarm at direc-
tion rising
1 % LEL 0 to A2
Calibration inter-
val [days]
180 0 to 360
Display capture
offset
0 % LEL -3 to 4 % LEL
Display capture
low
-3 % LEL -3 to 0% LEL
Display capture
high
2 %LEL 0 to 4% LEL
Full scale deflec-
tion
100 %LEL Range is not adjustable
Menu Default setting Range
Calibration gas Methane
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 Methane
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 7.5 %LEL
0 to max. 15 %LEL
1)

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)