型号 | HI 2550 |
量程 | pH值 | -2.0 to 16.0 pH; -2.00 to 16.00 pH; -2.000 to 16.000 pH; | | | | | | | | | | | |
| ORP | ±999.9 mV; ±2000 mV | | | | | | | | | | | |
| 电导率 | 0.00 to 29.99 μS/cm;30.0 to 299.9 μS/cm;300 to 2999 μS/cm 3.00 to 29.99 mS/cm;30.0 to 200.0 mS/cm;up to 500.0 mS/cm | | | | | | | | | | | |
| 总溶解固体 | 0.00 to 14.99 ppm;15.0 to 149.9 ppm;150 to 1499 ppm; 1.50 to 14.99 g/L;15.0 to 100.0 g/L;up to 400.0 g/L | | | | | | | | | | | |
| 盐度 | 0.0 to 400.0% NaCl | | | | | | | | | | | |
| 温度 | -20.0 to 120.0°C(-4.0 to 248 °C)-pH/EC范围 | | | | | | | | | | | |
解析度 | pH值/ORP | 0.1 pH;0.01 pH;0.001 pH/0.1 mV(±1000.0 mV) ;1 mV (±2000 mV) | | | | | | | | | | | |
| 电导率 | 0.01 μS/cm; 0.1 μS/cm; 1 μS/cm; 0.01 mS/cm; 0.1 mS/cm | | | | | | | | | | | |
| 总溶解固体 | 0.01 ppm; 0.1 ppm; 1 ppm; 0.01 g/l; 0.1 g/L | | | | | | | | | | | |
| 盐度/温度 | 0.1%/0.1°C | | | | | | | | | | | |
精度 | pH值/ORP | ±0.01pH; ±0.002 pH/±0.2 mV (±999.9 mV) ; ±0.2 mV (±2000 mV) | | | | | | | | | | | |
| 电导率 | 读数的±1%±0.05 μS/cm | | | | | | | | | | | |
| 总溶解固体 | 读数的±1%±0.03 ppm | | | | | | | | | | | |
| 盐度 | 读数的±1% | | | | | | | | | | | |
| 温度 | ± 0.4°C | | | | | | | | | | | |
温度补偿 | 手动或自动:-20.0 to 120.0°C (pH/EC);系数:0.00 to 6.00%(EC/TDS),默认值:1.90%/°C |
相对mV偏差 | ±2000 mV |
校准模式 | pH值:1~5点自动校准,内置7个校准点(pH 1.68/4.01 / 6.86 / 7.01 / 9.18 /10.01/12.45) 电导率:自动识别,单点校准,内置6个校准点(84.0, 1413 μS/cm;5.00, 12.88, 80.0,111.8 mS/cm) 盐度:自动单点校正,校准液:HI 7037L |
电极类型 | pH:HI 1131B;EC:HI 76310;温度:HI 7662 |
TDS转换因子 | 0.4 to 0.8;默认值:0.5 |
数据存储 | 200个测量样品,USB接口(需选购数据软件及数据线) |
存储间隔 | 多至500个数据,记录间隔:5,10,30秒,1,2,5,10,15,30,60,120,180分钟 |
供电方式 | 12 Vdc电源适配器 |
使用环境 | 0 to 50°C (32 to 122°F);RH max 95% |
尺寸重量 | 主机:235 x 222 x 109 mm;1.3 kg |