• Chlorine Sensor (CL2 Sensor)
  • Chlorine Sensor (CL2 Sensor)
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Chlorine Sensor (CL2 Sensor)

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  • Price

    Price on request   ≥1piece

  • Model Number

    CL2-A1

  • Data Sheet

  • Package

    Original packaging

  • Specs

    CL2-A1

  • Quantity

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Product Description

CL2-A1 Chlorine Sensor (CL2 Sensor) Description
Alphasense Chlorine gas sensors operate using proven fuel cell technology.

CL2-A1 Chlorine Sensor size:
20mm diameter, the industry standard size for portable gas detectors

The Cl2 range provides OEMs with reliable sensors for use in a number of high volume applications. Strong signal levels combined with low zero current allows resolution to 20ppb and an operating range from +0 to 20ppm. The sensors are suitable for inclusion in fixed installation sensing heads and portable safety instruments.

These sensors have improved transient response to humidity changes compared to competitors' equivalent sensors.

The Cl2 sensors offer our electrolyte leak-free guarantee and reliable long-term detection performance. The leakproof housing is moulded with a colour coded top for ease of identification.

CL2-A1 Chlorine Sensor (CL2 Sensor) PERFORMANCE
Sensitivity
 nA/ppm in 10ppm Cl2
 -350 to -750
Response time
 t90 (s) from zero to 10ppm Cl2 (33Ω load resistor)
 < 60
Zero current
 ppm equivalent in zero air
 ± 0.3
Resolution
 RMS noise (ppm equivalent, 33Ω load resistor)
 < 0.02
Range
 ppm limit of performance warranty
 20
Linearity
 ppm error at full scale, linear at zero and 5ppm Cl2
 ± 1.5
Overgas limit
 maximum ppm for stable response to gas pulse
 50



CL2-A1 Chlorine Sensor (CL2 Sensor) LIFETIME
Zero drift
 ppm equivalent change/year in lab air, monthly test
 < 0.05
Sensitivity drift
 % change/year in lab air, monthly test
 < 10
Operating life
 months until 80% original signal (24 month warranted)
 > 24


                            
CL2-A1 Chlorine Sensor (CL2 Sensor) ENVIRONMENTAL
Sensitivity @ -20°C
 % (output @ -20°C/output @ 20°C) @ 10ppm Cl2
 65 to 85
Sensitivity @ 50°C
 % (output @ 50°C/output @ 20°C) @ 10ppm Cl2
 105 to 125
Zero @ -20°C
 ppm equivalent change from 20°C
 < ± 0.2
Zero @ 50°C
 ppm equivalent change from 20°C
 < 0 to -0.8



CL2-A1 Chlorine Sensor (CL2 Sensor) CROSS SENSITIVITY
H2S   sensitivity
 % measured gas @ 20ppm H2S
 < -300
NO2   sensitivity
 % measured gas @ 10ppm NO2
 100
NO     sensitivity
 % measured gas @ 50ppm NO
 < 3
SO2   sensitivity
 % measured gas @ 20ppm SO2
 < -8
CO     sensitivity
 % measured gas @ 400ppm CO
 < 0.1
H2     sensitivity
 % measured gas @ 400ppm H2
 < 0.1
C2H4 sensitivity
 % measured gas @ 400ppm C2H4
 < 0.1



CL2-A1 Chlorine Sensor (CL2 Sensor) KEY SPECIFICATIONS
Temperature range
 °C
 -20 to 50
Pressure range
 kPa
 80 to 120
Humidity range
 %rh continuous
 15 to 90
Storage period
 months @ 3 to 20°C (stored in sealed pot)
 6
Load resistor
 Ω (for optimum performance)
 33
Weight
 g
 < 6

Matched Transmitter board for CL2-A1 CL2 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