Phosphine Sensor (PH3 Sensor) - PH3/M-20

? Nominal Range: 0 - 20 ppm
? Maximum Overload: 100 ppm
? Expected Operation Life: 2 years in air
? Output Signal: 1000 ± 300 nA/ppm
? Resolution: 0.1 ppm
? Temperature Range: -20°C to 50°C
? T90 Response Time: < 25 sec
? Relative Humidity Range: 15 % to 90 % R.H. non-condensing

  • Model Number: PH3/M-20
  • Data Sheet: Date Sheet File
Quantity:
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  • Phosphine Sensor (PH3 Sensor)
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Product Specification

Miniature Gas Sensors
Industry standard for portable gas detectors. Widely-used format for personal safety.

Features
Smallest size

Dimensions
Conforms to 4-Series
Diameter: 20 mm
Height: 16.6 mm
Pin diameter: 1.5 mm

PH3/M-20 Phosphine Sensor (PH3 Sensor) Applications
? Safety and Environmental Control
? For Portable Gas Detectors

PH3/M-20 Phosphine Sensor (PH3 Sensor) Performance Characteristics
Performance data conditions: 20°C, 50% RH and 1013 mbar

Nominal Range
0 - 20 ppm
Maximum Overload
100 ppm
Expected Operation Life
2 years in air
Output Signal
1000 ± 300 nA/ppm
Resolution
0.1 ppm
Temperature Range
-20°C to 50°C
Pressure Range
Atmospheric ± 10%
Pressure Coefficient
No data
T90 Response Time
< 25 sec
Relative Humidity Range
15 % to 90 % R.H. non-condensing
Typical Baseline Range (pure air, 20°C)
0 ppm ± 0.2 ppm
Maximum Zero Shift
N.D.
Long Term Output Drift
< 2% signal loss/month
Recommended Load Resistor
10 Ohm
Bias Voltage
Not required
Repeatability
< 2 % of signal
Output Linearity
Linear

PH3/M-20 Phosphine Sensor (PH3 Sensor) Physical Characteristics
Weight
~ 5,6 g
Position Sensitivity
None
Storage Life
Six months in container
Recommended Storage Temperature
5°C - 20°C
Warranty Period
12 months from date of dispatch

PH3/M-20 Phosphine Sensor (PH3 Sensor) Cross Sensitivity Data
Interfering Gas
Concentration
Reading
CO
100 ppm
0 ppm
H2S
34 ppm
~ 8 ppm
NO
100 ppm
0 ppm
NO2
100 ppm
~ -30 ppm
H2
100 ppm
0 ppm
Ethylene
100 ppm
0 ppm
SO2
100 ppm 25 ppm
SiH4
10 ppm 5 ppm

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