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| Brand | Tianwei Environmental (TW) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TW-JS1S |
| Power Supply | DC 10–30 V |
| Accuracy | ±0.5 cm or ±1 cm (full-scale uniform accuracy) |
| Resolution | 0.5 cm / 1 cm |
| Measuring Section Lengths | 50 cm or 80 cm (modular, unlimited sections) |
| Host Enclosure IP Rating | IP54 |
| Sensor Section IP Rating | IP68 |
| Communication Interfaces | RS485, 4G, 4–20 mA, 0–5 V, 0–10 V |
| Operating Modes | Water Depth Mode / Air Gap Mode / Tilt Compensation Mode |
| Average Power Consumption | 1 W (host), 0.05 W per section |
| Relay Outputs | 2 × 250 VAC / 30 VDC @ 3 A |
| Data Upload Interval | Configurable from 30 s to 1000 s |
| Mounting | Wall-mounted (86.2 mm mounting hole spacing, Ø10 mm holes) |
| LED Display | 102 cm × 22 cm dual-color (red/green), 16×96 dot matrix, vertical scrolling text |
| Acoustic-Optical-Voice Alarm Module | RS485-controlled, fixed voice message “Current water level is high—drive with caution”, triple alert cycle at 5 s intervals |
| Solar/AC Dual Power Option | Optional factory-configured hybrid power system with battery backup |
| Remote Configuration | Bluetooth-enabled mobile app (non-contact parameter setup) |
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