PH3-A1 Phosphine Sensor (PH3 Sensor)

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Product Details

Brand Name	Alphasense	Place of Origin	United Kingdom
Model Number	PH3-A1	Usage	Gas Sensor
Theory	Other, Electrochemical Gas Sensor	Output	Analog Sensor

Product Description

PH3-A1 Phosphine Sensor PH3 Sensor Description
Alphasense is expanding its line of electrochemical toxic gas sensors to address industry-specific requirements, including emissions monitoring, process safety, environmental monitoring and VOCs.

Phosphine (PH3)
Our Phosphine sensors cover all hydrides: Silane (SiH4), Diborane (B2H6), Germane (GeH4) and Phosphine (PH3) for the semiconductor industry.

PH3-A1 Phosphine Sensor PH3 Sensor Schematic Diagram

PH3-A1 Phosphine Sensor PH3 Sensor PERFORMANCE
Sensitivity	nA/ppm in 11ppm PH3	550 to 900
Response time	t90 (s) from zero to 5ppm PH3	<25
Zero current	ppm equivalent in zero air	<±0.3
Resolution	RMS noise (ppm equivalent)	<0.03
Range	ppm PH3 limit of performance warranty	10
Linearity	ppm error at full scale, linear at zero, 20ppm PH3	<-0.6
Overgas limit	maximum ppm for stable response to gas pulse	75

PH3-A1 Phosphine Sensor PH3 Sensor LIFETIME
Zero drift	ppm equivalent change/year in lab air	<±0.05
Sensitivity	drift % change/year in lab air, monthly test	<10
Operating	life months until 80% original signal (24 month warranted)	> 24

PH3-A1 Phosphine Sensor PH3 Sensor ENVIRONMENTAL
Sensitivity @ -20°C	%(output @ -20°C/output @ 20°C) @ 11ppm PH3	20 to 70
Sensitivity @ 50°C	% (output @ 50°C/output @ 20°C) @ 5ppm PH3	130 to 160
Zero @ -20°C	ppm equivalent change from 20°C	<±0.04
Zero @ 50°C	ppm equivalent change from 20°C	<±0.04

PH3-A1 Phosphine Sensor PH3 Sensor CROSSSENSITIVITY
H2S sensitivity	% meaured gas @ 20ppm H2S	<15
NO2 sensitivity	% meaured gas @ 10ppm NO2	<-30
Cl2 sensitivity	% meaured gas @ 10ppm Cl2	<-30
NO sensitivity	% meaured gas @ 50ppm NO	<1
SO2 sensitivity	% meaured gas @ 20ppm SO2	<60
CO sensitivity	% meaured gas @ 400ppm CO	<0.7
H2 sensitivity	% meaured gas @ 400ppm H2	<0.2
C2H4 sensitivity	% meaured gas @ 80ppm C2H4	<10
NH3 sensitivity	% meaured gas @ 25ppm NH3	<0.2
CO2 sensitivity	% meaured gas @ 5% vol CO2	<0.1

PH3-A1 Phosphine Sensor PH3 Sensor KEY SPECIFICATIONS
Temperature range	°C	-30 to 50
Pressure range	kPa	80 to 120
Humidity range	% rh continuous	20 to 90
Storage period	months @ 0 to 20°C (stored in original container)	6
Load resistor	Ω	10 to 33
Weight	g	<6

Matched Transmitter board for PH3-A1 PH3 Sensor

4-20mA Digital Transmitter Board
? Factory calibration, custom-set for immediate use
? Digital zero, sensitivity and temperature compensation
? Digital and 4-20mA output
? Biased or unbiased operation
? Calibration and range change

Contact Us

Shenzhen Isweek Ltd.: Contact nameMs Rita yu
Chat Now; Phone86-755-83289036; Address16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan, Shenzhen, Guangdong

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PH3-A1 Phosphine Sensor (PH3 Sensor)

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