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4HF-10 Sensors

Update time:Feb-02-28

This sensor is designed for the measurement of HF concentration in gas phase. It can be used as the pin-to-pin replacement of the standard 4-series electrochemical HF sensors which made by the other manufacturers.
Performance Characteristics
Nominal Range 0 ~ 10 ppm
Maximum Overload 50 ppm
Sensitivity (20℃) -0.3 ± 0.1 μA/ppm
Response time (T90) ≤ 120 s
Zero Signal (20℃) < ±0.2 μA
Baseline < 2 ppm
Resolution 0.2 ppm
Linearity Linear up to 10 ppm
Bias Voltage 0 mV
Environmental
Temperature Range -20℃ ~ 50℃
Pressure Range 1 ± 0.1 atm
Humidity Range 15% ~ 90%RH
Life Time
Expected Operating Life 2 years in clean air
Long Time Output Drift < 5% per year
Storage Life 6 months in original packaging
Storage Temperature 10℃ ~ 30℃
Warranty 12 months
Physical Characteristics
Housing Material ABS
Weight 5 grams
Orientation None
Intrinsic Safety
Max. current at 50 ppm HF < 0.2 mA
Max. O/C Voltage 1.3 V
Max. S/C Current < 1.0 A