SEFRAM 9893 - Technical Specifications

Carbon Monoxide Meter
-3-
begins monitoring, and shows a reading on
the display.
If the meter does not pass the self-test, the
LCD shows “Err”, and does not take CO
measurement.
2. Specifications:
Display: Dual display.
Measurement Range:
▪ Carbon Monoxide: 0~1000 ppm.
▪ Temperature: -20°C~70°C (-4°F~158°F)
Sensor Life (Typical):
3 years (Correction of the year).
Sensor Type:
Electrochemical Carbon Monoxide Gas
Sensor.
Temperature Sensor: Thermistor
Accuracy: (at 23°C)
Range
Accuracy
0~1000 ppm
±5% reading or ±5 ppm
(whichever is greater)
-20°C ~ 70°C
±0.8°C
-4°F ~ 158°F
±1.5°F
Resolution: 1 ppm, 0.1°C / 0.1°F
Response Time:
(@ t90; in slowly moving air)
▪ Carbon Monoxide: 60 secs
▪ Temperature: 10 secs
▪ Temperature Coefficient:
0.1 X (specified accuracy)/
°C(<23°C or >23°C)