| |
HI 253 |
| 测量范围 |
-2.00 to 16.00pH, -2.000 to 16.000pH; ±699.9mv, ±2000mV
0.001 to 19999ppm; -9.9 to120.0 °C |
| 解析度 |
0.1pH, 0.01pH, 0.001pH; 0.1mv(±699.9mV), 1mv(±2000mV)
0.001ppm(0.001 to 9.999 ppm), 0.01ppm(10 to 99.99 ppm)
0.1ppm(100 to 999.9 ppm), 1ppm(1000 to 19999 ppm); 0.1 °C |
| 精度 |
±0.01pH ±0.002pH; ±0.2mv(±699.9mV), ±1mv(±2000mV)
±0.5%; ±0.4 °C |
| pH校准 |
从pH4.01, pH6.86, pH7.01, pH9.18, pH10.01五个校正点中选择1, 2 和3点校正
从0.1, 1, 10, 100, 1000五个校正点中选择1点或2点校正 |
| 温度补偿 |
自动或手动 -20.0 to 120.0 °C |
| 数据接口 |
RS232接口（选购HI 92000软件） |
| 输入阻抗 |
1012 ohms |
| 配套电极 |
pH复合电极; HI 7669/2W温度探棒 |
| 配套电源 |
HI710006 12VDC电源适配器 |
| 操作环境 |
0 to 50 °C (32 to 122 °F); RH max 95%，无冷凝 |
| 尺寸/重量 |
240 x 182 x 74mm/1.1Kg |
