Seiko Time Creation Inc.
Seiko Time Creation QP-400GS Solar-Powered Controller
Manufacturer: Seiko Time Creation Inc.
Model: QP-400GS
Overview
The GNSS receiver automatically receives GNSS signals from GNSS satellites to synchronize the time of the clock.
The energy generated by the solar panel is stored in the capacitor inside the clock controller, powering the clock unit during the nighttime.
Specification
| Time accuracy | Monthly rate < ±3 s (0℃–+40℃, without GNSS signals) |
| Secondary clock output | 2 channels; 30-sec polarized signal: DC 3.6 V, 250 ms pulse; Output capacity: DC 3.6 V, 60 mA/channel |
| GNSS receiver | Correction: once/day at 12:00 PM; Accuracy: < ±5 ms; Time difference adjustable UTC ±12 h (1 h intervals) |
| Solar panel | Needs ≥4 h sunlight/day (10:00 AM–2:00 PM) |
| Rechargeable battery | Capacitor DC 3.6 V (stores solar energy) |
| Backup battery | Lithium DC 3.6 V, 19 Ah (powers controller if capacitor low) |
| Hand adjustment | Automatic, preset with buttons |
| Daylight saving time | Settable via button day before start/end |
| Digital pace measurement | Improves accuracy via repeated “0” second setting |
| Operational temperature | -20℃–+60℃ |
| Operational humidity | ≤90% (at +40℃) |
| Outer dimensions | W110 × H211 × D77 mm |
| Weight | Approx. 530 g |
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