Specification

Specifications table for model SQ4-A22-P
ItemPerformance characteristics
CE Marking Directive ComplianceMachinery Directive, EMC Directive, RoHS Directive
Sensing Object Sulfuric acid, Hydrochloric acid,Phosphoric acid, Ammonia, Fluorinert (Note 1), Galden (Note 1), Hydrofl uoric acid etc. (Note 2)
(Note 1:The agents mentioned above are examples. It may not be detected depending on viscosity the agent.Before using this device, check the detecting liquid and installation condition.)
(Note 2:Fluorinert is the world wide trademark of 3M. Galden is the registered trademark of Solvay.)
Sensing Range Sulfuric acid, Hydrochloric acid,Phosphoric acid, Ammonia, Fluorinert (Note 1), Galden (Note 1), Hydrofl uoric acid etc. (Note 2)
(Note 1) Fluorinert(TM) is the world wide trademark of 3M. Galden is the world wide trademark of Solvay Solexis.
(Note 2) The agents mentioned above are examples. It may not be detected depending on viscosity the agent. Before using this device, check the detecting liquid and installation condition.
Power Voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less
Current Consumption30 mA or less
Utilization CategoryDC-12, DC-13
Detection Output (Leakage Detection)PNP open-collector transistor
- Maximum source current: 50 mA
- Applied voltage: Same as the supply voltage (between detection output and +V)
- Residual voltage: 2.5 V or less (at 50 mA source current)
Detection Output (Leakage Detection): Response Time10 ms or less
Detection Output (Leakage Detection): Output OperationON when normal condition or initial detection, OFF when detection leakage or wrong installation
Detection Auxiliary Output (Initial Detection)PNP open-collector transistor
- Maximum source current: 50 mA
- Applied voltage: Same as the supply voltage (between detection auxiliary output and +V)
- Residual voltage: 2.5 V or less (at 50 mA source current)
Detection Auxiliary Output (Initial Detection): Response Time50 ms or less
Detection Auxiliary Output (Initial Detection): Output OperationON when normal condition, OFF when initial detection or accidental leakage
ProtectionIP65 / IP67 (IEC)
Ambient Temperature-10 to +55 ℃ +14 to +131 ℉ (No dew condensation or icing allowed) (Note) Storage: -10 to +55 ℃ +14 to +131 ℉
(Note) Liquid being detected should be also kept within the rated ambient temperature range.
Ambient Humidity35 to 85 % RH, Storage: 35 to 85 % RH
Emitting ElementInfrared LED (modulated)
MaterialEnclosure: PFA
Cable0.1 mm2 4-core PFA cabtyre cable, 2 m 6.562 ft long
Weight (Typ.)Net weight: 45 g approx
Gross weight: 110 g approx

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