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Hydrogen Chloride Sensor (HCL Sensor) - HCL-B1

? Range: 100ppm HCl limit of performance warranty
? Sensitivity: 150 to 250 nA/ppm in 25ppm HCl
? Response time t90: < 200 (s) from zero to 25ppm HCl
? Resolution: < 0.1 RMS noise (ppm equivalent)
? Temperature range: -30 to +50°C
? Pressure range: 80 to 120 kPa
? Humidity range: 15 to 90 % rh continuous
? Weight: < 13 g

Model Number: HCL-B1
Data Sheet:

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Product Specification

HCL-B1 Hydrogen Chloride Sensor HCL 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.

Hydrogen Chloride (HCl)/Hydrogen Bromide (HBr)
The HCL sensor also detects Hydrogen Bromide (HBr). These HCL sensors are zero biased for easier use.
Available in A and B series.

HCL-B1 Hydrogen Chloride Sensor HCL Sensor PERFORMANCE
Sensitivity	nA/ppm in 25ppm HCl	150 to 250
Response time	t90 (s) from zero to 25ppm HCl	< 200
Zero current	ppm equivalent in zero air	0 to 3
Resolution	RMS noise (ppm equivalent)	< 0.1
Range	ppm HCl limit of performance warranty	100
Linearity	ppm error at full scale, linear at zero, 40ppm HCl	0 to 6
Overgas limit	maximum ppm for stable response to gas pulse	200

HCL-B1 Hydrogen Chloride Sensor HCL Sensor LIFETIME
Zero drift	ppm equivalent change/year in lab air	nd
Sensitivity drift	% change/year in lab air, monthly test	nd
Operating life	months until 80% original signal (12 month warranted)	nd

HCL-B1 Hydrogen Chloride Sensor HCL Sensor ENVIRONMENTAL
Sensitivity @ 0°C	% (output @ 0°C/output @ 20°C) @ 25ppm HCl	80 to 95
Sensitivity @ 50°C	% (output @ 50°C/output @ 20°C) @ 25ppm HCl	100 to 108
Zero @ -20°C	ppm equivalent change from 20°C	< +0 to -1.0
Zero @ 50°C	ppm equivalent change from 20°C	< +0.5 to +2.5

HCL-B1 Hydrogen Chloride Sensor HCL Sensor CROSS SENSITIVITY
H2S sensitivity	% measured gas @ ppm H2S	< 280
NO2 sensitivity	% measured gas @ ppm NO2	< -150
Cl2 sensitivity	% measured gas @ ppm Cl2	< -100
NO sensitivity	% measured gas @ ppm NO	< 2
SO2 sensitivity	% measured gas @ ppm SO2 (transient peak)	< 1
CO sensitivity	% measured gas @ ppm CO	< 0.1
H2 sensitivity	% measured gas @ ppm H2	< 0.1
C2H4 sensitivity	% measured gas @ ppm C2H4	< 0.1
NH3 sensitivity	% measured gas @ ppm NH3	< 0.1
CO2 sensitivity	% measured gas @ 5% CO2	< 0.1

HCL-B1 Hydrogen Chloride Sensor HCL Sensor KEY SPECIFICATIONS
Temperature range	°C	-30 to +50
Pressure range	kPa	80 to 120
Humidity range	% rh continuous	15 to 90
Storage period	months @ 3 to 20°C (stored in original container)	6
Load resistor	Ω (recommended)	10 to 33
Bias voltage	mV	not required
Weight	g	< 13

Matched Transmitter board for HCL-B1 HCL Sensor

4-20mA Analogue Transmitter Board
? Factory calibration, custom-set for immediate use
? Wide operating voltage range
? Low RFI susceptibility
Alphasense 4-20 mA analogue transmitter boards provide a cost effective way for Original Equipment Manufacturers to engineer transmitter heads for fixed installation systems.

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

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