North Guang Precision Instruments
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| Brand | North Guang Precision Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | BEST-121 |
| Test Voltage Range | DC 10 V, 50 V, 100 V, 250 V, 500 V, 1000 V |
| Resistance Measurement Range | 1×10⁴ Ω to 1×10¹⁸ Ω |
| Current Measurement Range | 2×10⁻⁴ A to 1×10⁻¹⁶ A |
| Accuracy | ±1% (10⁴–10⁹ Ω), ±5% + 2 digits (10¹⁰–10¹¹ Ω), ±5% + 5 digits (10¹²–10¹³ Ω), ±10–15% + 5 digits (>10¹⁴ Ω) |
| Compliance | GB 4386-84, GB 6650-86, GB 1410, GB 10580 |