General Specifications(详细说明): Step Accuracy(步距角误差)----------------------±5% Temperature Rise(温升)-------------------------80℃ Ambient Temperature Range(使用环境温度)----20~+55℃ Insulation Resistance(绝缘电阻---100MΩ MIN.500V DC Dielectric Strength(绝缘介电强度)--500V AC 1 minute