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| Brand | HyYan |
|---|---|
| Origin | Jiangsu, China |
| Model | QLY-1000 |
| Control Architecture | Industrial-grade microcomputer with embedded real-time logic |
| Display Interface | Full Chinese text LCD (240×128) |
| Valve Output | AC 220 V, 50 Hz |
| Pressure Sensing Input | 0–5 V analog (corresponding to 0–1000 Torr) |
| Pressure Setpoint Output | 0–5 V DAC |
| Solenoid Valve Timing Resolution | 0.1 s |
| Solenoid Valve 1 Mode | Normally open / programmable toggle (1–120 s) |
| Solenoid Valves 2 & 3 | Synchronized operation, independent on/off timing (on: 0.5–30 s |
| off | 1–50 s) |
| Shut-off Valves 1–3 | Individually programmable (Valve 1: NO + 1–120 s toggle |
| Valves 2 & 3 | on 1–50 s / off 1–60 s) |
| Auxiliary Power Output | DC ±15 V (200 mA) |
| Enclosure | Aluminum alloy, powder-coated |
| Compliance | CE-marked industrial control unit (EN 61000-6-2/6-4), RoHS-compliant |
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