F-901B Reference Manual
Page
3
of
15
F-901B Specifications
Measurements
C2H4, CO2, O2, RH, Temperature, Barometric Pressure
Air Sampling Rate
120 mL/min in Continuous Mode
Measuring Rate
1-second intervals in Continuous Mode
Communication
Modbus via RS485, RJ45 connector
Sampling Port
Inlet/outlet with Luer lock fittings
Operating environment
0°C - 50°C, 15-90% relative humidity non-condensing
Power Input
12VDC regulated
Avg. Power Consumption
2.5W
Dimensions
172mm x 103mm x 55mm
Weight
0.98kg
Enclosure
Powder-coated aluminum
Ethylene (C2H4) sensor
Type
Electrochemical
Nominal Range
0-1000 ppm
Accuracy
±5% ± 5ppm
Lower Detection Limit
2 ppm
Response Time (T90)
< 3 minutes
Temperature Range
0 °C to 50 °C
Pressure Range
1013mbar ± 10 %
Relative Humidity Range
15 % to 90 % R.H. non-condensing
Long Term Output Drift
< 5 % per month in continuous exposure
Lifetime
2 years
Carbon Dioxide (CO2) sensor
Type
NDIR (non‐dispersive infrared)
Nominal Range
0-100%
Accuracy
±3% ± 300ppm
Lower Detection Limit
100ppm
Response Time (T90)
< 20s
Warm Up Time
< 1 minute
Pressure Range
950mbar to 10000mbar
Temperature Range
0 °C to 50 °C
Relative Humidity Range
0 to 90 % R.H. non-condensing
Lifetime
5 years
Oxygen (O2) Sensor
Type
Electrochemical
Nominal Range
0-100%
Accuracy
±2% ± 100ppm
Lower Detection Limit
0.1%
Response Time (T90)
< 5s
Temperature Range
0 °C to 50 °C
Pressure Range
500mbar to 2000mbar
Relative Humidity Range
0 % to 99 % R.H. non-condensing
Lifetime
2 Years
