7HL

MEASUREMENT
Operating Principle: 3-electrode electrochemical
Measurement Range: 0-50 ppm HCl
Maximum overload: 100 ppm HCl
Filter: None
Sensitivity: 0.75 ± 0.25 μA/ppm
Response Time (T90): <120 Seconds at 20°C
Zero Shift (+20°C to +40°C): < 4 ppm HCl equivalent
Resolution: 0.5 ppm (when used with recommended electronics)
Baseline Offset (clean air): 0 to +2 ppm HCl equivalent
Repeatability: 2% of signal
Linearity: Linear

ELECTRICAL
Recommended Load Resistor: 33 Ω
Bias Voltage: +300 mV

MECHANICAL
Weight: 17 g
Housing Material:

• Cap: Polycarbonate
• Body: ABS

Orientation: Any

ENVIRONMENTAL
Operating Temperature Range: -20°C to +50°C
Recommended Storage Temp: 0°C to 20°C
Operating Pressure Range: Atmospheric ± 10%
Operating Humidity Range: 15 - 90% RH non-condensing

LIFETIME
Long Term Sensitivity Drift: <2% signal loss/month
Expected Operating Life: Two years in air
Storage Life: 6 months in CTL container