As of November 23, 2023
Specifications and design of the products are subject to change without notice for the product improvement.
Spec Detail
| Item | Specifications |
|---|---|
| Product Number | SQ4-A21-N |
| Part Number | SQ4-A21-N |
| CE marking directive compliance | Machinery Directive, EMC Directive, RoHS Directive |
| Sensing object | Water (Standard liquid) (Note 1) Highly viscous liquid may not be stably detected. (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 consumption | 30 mA or less |
| Utilization category | DC-12, DC-13 |
| Detection output(Leakage detection) | NPN open-collector transistor - Maximum sink current: 50 mA - Applied voltage: Same as the supply voltage (between detection output and 0 V) - Residual voltage: 2 V or less (at 50 mA sink current) |
| Detection output(Leakage detection):Response time | 10 ms or less |
| Detection output(Leakage detection):Output operation | ON when normal condition or initial detection, OFF when detection leakage or wrong installation |
| Detection output(Leakage detection):Short-circuit protection | Incorporated |
| Detection auxiliary output(Initial detection) | NPN open-collector transistor - Maximum sink current: 50 mA - Applied voltage: Same as the supply voltage (between detection auxiliary output and 0 V) - Residual voltage: 2 V or less (at 50 mA sink current) |
| Detection auxiliary output(Initial detection):Response time | 50 ms or less |
| Detection auxiliary output(Initial detection):Output operation | ON when normal condition, OFF when initial detection or accidental leakage |
| Detection auxiliary output(Initial detection):Short-circuit protection | Incorporated |
| Protection | IP65 / 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 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 cabtyre cable, 2 m 6.562 ft long |
| Weight | Net weight: 45 g approx Gross weight: 110 g approx |