Dräger Polytron 8000 Series Technical Manual

Technical Manual | Dräger Polytron
®
8000 Series 99
Performance Approvals
Stabilization time: 5 x t0...90
Measuring range
0-5 Vol% O
2 to 0-100 Vol% O2
Default: 25 Vol% O2Minimum reading: -1.25 Vol% O2
Warm-up time
Operation: <20 minutes / Calibration:  2 hours
20.3.2 DrägerSensor O2LS (6809630)
The DrägerSensor O2LS (6809630) is an electrochemical 3-electrode sensor for
measuring Oxygen (O
2) in ambient air.
3) For operation-temperatures outside -5 °C to 40 °C a calibration at operation temperature must
be performed.
Response time
1)
1) At temperatures below -5 °C, the response time may increase.
t0...20 t0...90
0-5 Vol% O2
 15 seconds
2)
2) Response time is higher than the permissible limit of EN 50104.
 33 seconds
0-25 Vol% O
2  10 seconds  26 seconds
Environmental parameters
Pressure 20.7 to 38.4 in. Hg (700 to 1300 hPa)
Humidity 5 to 95%RH, non-condensing
Temperature -40 to +60 °C
short term +65 °C
Storage
Pressure no influence
Humidity 30 to 70%RH, non-condensing
(only relevant if sensor packaging open)
Temperature 0 to +40 °C
Time Storing of sensors is not intended. Sensors should
be used upon arrival. Remaining service life =
Expected Service life - Storage time
Influence of environmental parameters
Zero point Span
Temperature
-40 to 65 °C < ± 0.3 Vol%O
2 < ± 0.3 Vol%O2
Pressure < ± 0.1 Vol% O2 Relative deviation from read-
ing at 1013 hPa:
< 2 % of measurement value
/ 100 hPa

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)