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| Brand | Guance Instruments |
|---|---|
| Model | GEST-121T |
| Temperature Capability | Up to 250 °C (integrated with GDW-250 environmental chamber) |
| Resistance Range | 1×10⁴ Ω to 1×10¹⁸ Ω |
| Voltage Sources | 10 V, 50 V, 100 V, 250 V, 500 V, 1000 V DC |
| Current Measurement Range | 2×10⁻⁴ A to 1×10⁻¹⁶ A |
| Accuracy | ±1% (for R ≤ 1×10¹⁰ Ω), ±5–10% (for R > 1×10¹⁰ Ω) |
| Dimensions | 300 mm × 300 mm × 150 mm |
| Power Supply | 220 V AC / 50 Hz |
| Power Consumption | 100 W |
| Weight | ~30 kg |
| Compliance | Designed for ASTM D257, IEC 60093, GB/T 1410, ISO 3915 environments |
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