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Safety leak detection sensor – Panasonic (SQ-4 For standard liquid) – Supply voltage (DC) 12-24V – 1 x NPN open-collector – Material Polypropylene (Enclosure)
SQ4-A21-P Safety leak detection sensor – Panasonic (SQ-4 For standard liquid) – Supply voltage (DC) 12-24V – 1 x NPN open-collector – Material Polypropylene (Enclosure)
| Item | Performance characteristics |
|---|---|
| Sensing range | Water (Standard liquid) (Note) 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. |
| Supply voltage | 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less |
| Current consumption | 30 mA or less |
| Leakage detection output(Abnormal leakage detection, Safety output) | 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) |
| Leakage detection output(Abnormal leakage detection, Safety output):Response time | 10 ms or less |
| Leakage detection output(Abnormal leakage detection, Safety output):Output operation | ON when initial detection, OFF when detection leakage or wrong installation |
| Initial leakage detection output (Initial leakage, Non-safety output) | 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) |
| Initial leakage detection output (Initial leakage, Non-safety output):Response time | 50 ms or less |
| Initial leakage detection output (Initial leakage, Non-safety output):Output operation | ON when normal condition, OFF when initial detection or accidental leakage |
| Protection | IP65 / IP67 (IEC) |
| Ambient temperature | -10 to +55 degrees +14 to +48.2 degrees Fahrenheit (No dew condensation or icing allowed) (Note) Storage: -10 to +55 degrees +14 to +48.2 degrees Fahrenheit (Note) Liquid being detected should be also kept within the rated ambient temperature range. |
| Ambient humidity | 35 to 85 % RH, Storage: 35 to 85 % RH |
| Emitting element | Infrared LED (modulated) |
| Material | Enclosure: Polypropylene |
| Cable | 0.18 mm2 4-core PVC cabtire cable, 2 m 6.562 ft long |
| Weight | Net weight: 45 g approx Gross weight: 110 g approx |
