1 PCS used KYOWA DPM-911A Strain Amplifier #LYQ007
1 PCS used KYOWA DPM-911A Strain Amplifier #LYQ007
| Parameter Category | Parameter Name | DPM-911A Specification |
|---|---|---|
| Basic Specifications | Measuring Target | Strain gages, Strain‑gage transducers |
| Number of Channels | 1 channel per unit | |
| Applicable Bridge Resistance | 60 Ω to 1000 Ω | |
| Gage Factor | 2.00 (fixed) | |
| Bridge Excitation Voltage | 2 Vrms / 0.5 Vrms (selectable) | |
| Carrier Frequency | 5 kHz | |
| Detection & Response | Frequency Response | DC to 2.5 kHz (±10% tolerance) |
| Response Time | ≤ 100 μs (typical) | |
| Nonlinearity | Within ±0.1% FS | |
| Output Impedance | Approx. 2 Ω | |
| Balancing & Calibration | Resistance Balance Range | ±2% (±10000 ×10⁻⁶ strain) max |
| Capacitance Balance Range | Within 2000 pF (at 120 Ω bridge) | |
| Balance Method | Resistance: Electronic auto‑balance; Capacitance: CST auto‑tracking | |
| Calibration Signal (CAL) | ±(1 to 9999 ×10⁻⁶ strain); 4‑digit digital switch | |
| CAL Accuracy | Within ±(0.5% + 0.5 ×10⁻⁶ strain) | |
| Sensitivity & Gain | Sensitivity Adjustment | ×200 to ×50000 (main) + ×0.4 to ×1.0 (fine) |
| Voltage Output | ±10 V (load ≥ 5 kΩ) | |
| Electrical Characteristics | Power Supply | 90–110 VAC (12 VA) / 10.5–15 VDC (0.6 A) |
| Insulation Resistance | ≥ 100 MΩ (500 VDC) | |
| Withstand Voltage | 1000 VAC for 1 min (bridge‑to‑case, power‑to‑case) | |
| SN Ratio | ≥ 54 dBp‑p (5 V output @ 200 ×10⁻⁶ strain input) | |
| Stability | Zero Drift (Temperature) | ±0.1 ×10⁻⁶ strain/°C |
| Sensitivity Drift (Temperature) | ±0.05%/°C | |
| Zero Drift (Time) | ±0.5 ×10⁻⁶ strain/24 h | |
| Sensitivity Drift (Time) | ±0.2%/24 h | |
| Mechanical Data | Dimensions (W×H×D) | 49 × 128.5 × 262.5 mm (excl. protrusions) |
| Panel Cutout | 50 × 113 mm | |
| Weight | Approx. 1.2 kg | |
| Environmental Ratings | Operating Temp | -10°C to +50°C |
| Storage Temp | -30°C to +70°C | |
| Operating Humidity | 0–95% RH (non‑condensing) | |
| Vibration Resistance | 10–500 Hz, 3G amplitude | |
| Shock Resistance | 100 m/s² (10G), 11 ms | |
| Protection | IP20 (panel‑mounted) |
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