It consists of a resistor and a rotating or sliding system. Resistance range: 10k Ω~1M Ω. Resistance tolerance: ± 20% (more than 1M Ω ± 30%). Residual short lease: R ≥ 25K Ω 0.1% max, of total test. Load power: Curve B: 0.05W, other yhan B: 0.025W.
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