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SS2188 (HCl)

Electrochemical HCl Sensor (0~20ppm)

SS2188 is an electrochemical hydrogen chloride (HCl) sensor measuring 0–20 ppm, ideal for leakage detection and TLV monitoring in semiconductor and chemical industries.

KEY FEATURES

Measurement range: 0–20 ppm (Max overload: 40 ppm)
Output signal: 200 ± 50 nA / ppm
Response time: T90 < 50 sec
Resolution: <0.5 ppm (typical)
Repeatability: < ±2% of signal
Operating life: >24 months in air
Operating temperature: -20℃ to +50℃
Low cross-sensitivity (NO, CO, NH₃, SO₂, etc.)

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SS2188 (HCl)

Electrochemical Hydrogen Chloride Sensor (0–20ppm)

DESCRIPTION

The SS2188 is an electrochemical sensor designed to detect hydrogen chloride (HCl) in the range of 0–20 ppm. It is ideal for leak detection and TLV (Threshold Limit Value) monitoring in semiconductor and chemical industry environments.

KEY FEATURES

- Measuring Range: 0–20 ppm (Max overload: 40 ppm)
- Output Signal: 200 ± 50 nA / ppm
- Response Time: T90 < 50 sec
- Resolution: <0.5 ppm (typical)
- Repeatability: Within ±2% of signal
- Operating Life: ≥24 months in air
- Operating Temperature: -20℃ to +50℃
- Low Cross Sensitivity: Minimal interference from NO, CO, NH₃, SO₂

Product Specifications

Performance Characteristics
Output Signal	200±50 nA / ppm
Typical Baseline Range (pure air, @ 20°C)	± 0.5 ppm HCl equivalent
Baseline Shift (-20°C ~ +50°C)	< ±2 ppm typical
Response Time (T90)	< 60 seconds
Filter	None
Measurement Range	0 ~ 20 ppm
Maximum Overload	40 ppm
Linearity	Linear
Repeatability	< ±2% of signal
Recommended Load Resistor	10 Ω
Resolution (Electronics Dependent)	< 0.5 ppm typical
Bias Voltage	0 mV
Environmental
Temperature Range Continuous	-20°C to +50°C
Pressure Range	800 to 1200 mbar
Operating Humidity Range	15% to 90% RH
Lifetime
Long Term Output Drift	<5% per annum
Recommended Storage Temp	0°C to 20°C
Expected Operating Life	> 24 months in air
Standard Warranty	24 months from date of dispatch
Intrinsic Safety Data
Maximum at 40 ppm	10 μA
Maximum o/c Voltage	< 1.0 V
Maximum s/c Current	< 0.1 A

Sensor Specifications

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Headquarters and factories

Address. 445 Doksanseong-ro, Osan-si, Gyeonggi-do (584-1 Segyo-dong) Tel. 031-492-0445 Fax. 031-492-0446

SENKO Technologies USA Corp.

Address. 626 Verrine Way, Lewisville, TX 75056 Tel. 469-409-3067

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