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| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-768 |
| Power Supply | AC/DC 100–240 V |
| Counting Pulse Width | 16.7 ms (30 Hz), 0.17 ms (3 kHz), 0.33 ns (1.5 kHz) |
| Count Range | 0–999,999 |
| Input Signal Type | Non-contact or Contact |
| Input Impedance | ≥4.7 kΩ |
| Input Voltage Range | 0–2 V (low-level), 4–30 V (high-level) |
| Reset Modes | Front-panel button, external terminal, auto-reset (adjustable 0.01–9.99 s) |
| DC Power Output | 12 V / 100 mA (dual channels for sensor powering) |
| Relay Output Rating | 3 A / 250 V AC (resistive load) |
| Data Retention | ~5 years during power loss |
| Power Consumption | ≤4 VA |
| Transistor Output | 500 mA / 30 V |
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