hach哈希SensION7台式电导测定仪技术指标 测量范围电导率0-19.99uS/cm;20-199.9uS/cm;200-1999uS/cm;2.00-19.99mS/cm;20.0-199.9mS/cmTDS0-50,000mg/L,以NaCO3计盐度0-42PPT温度-10~110 C; 分辨率电导率0.01uS/cm(最小)TDS0.1mg/L盐度0.1PPT温度0.1 C准确度电导率 0.5%满量程TDS 0.5%满量程盐度 0.1PPT温度 0.3 C输出RS 232,单向电导率至TDS的转换系数自动调节;用户自行设置输入5针接头,带温度电源6-12V直流;220V电源结果显示LCD仪器漂移 40uV/ C输入偏置电流 1picoamp,25 C时; 4picoamp,满量程环境条件0-50 C;相对湿度85%无凝结低电量指示有仪器尺寸25.4x15x8.37cm外壳防水(IP32),防腐