型 号 |
HI4521 |
酸度 pH |
测量范围:-2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000 pH |
解 析 度:0.1; 0.01; 0.001 pH | |
精 度:±0.1 pH; ±0.01 pH; ±0.002 pH | |
氧化还原 ORP |
测量范围:±2000.0 mV |
解 析 度:0.1 mV | |
精 度:±0.2 mV | |
电 导 率 |
测量范围:0.000 to 9.999 μS/cm; 10.00 to 99.99 μS/cm; 100.0 to 999.9 μS/cm; 1.000 to 9.999 mS/cm; 10.00 to 99.99 mS/cm; 100.0 to 999.9 mS/cm; 10.00 to 99.99 mS/cm; 100.0 to 999.9 mS/cm; 1000 mS/cm |
解 析 度:0.001 μS/cm; 0.01 μS/cm; 0.1 μS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cm | |
精 度:读数的±1% (±0.01 μS/cm) | |
电 阻 率 |
测量范围:1.00 to 99.99 Ohm·cm; 100.0 to 999.9 Ohm·cm; 1.000 to 9.999 kOhm·cm; 10.00 to 99.99 kOhm·cm; 100.0 to 999.9 kOhm·cm; 1.00 to 9.99 MOhm·cm; 10.0 to 100.0 MOhm·cm |
解 析 度:0.01 Ohm·cm; 0.1 Ohm·cm; 0.001 kOhm·cm; 0.01 kOhm·cm;0.1 kOhm ·cm; 0.01 MOhm·cm; 0.1 MOhm·cm | |
精 度:读数的±2% (±10 Ohm·cm) | |
TDS |
测量范围:0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 ppt; 10.00 to 99.99 ppt; 100.0 to 400.0 ppt 10.00 to 99.99 ppt; 100.0 to 400.0 ppt |
解 析 度:0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt | |
精 度:读数的±1% (±0.01 ppm) | |
TDS 因子:0.40 to 1.00 | |
盐度NaCl |
测量范围:实际盐度:0.00 to 42.00;海水盐度:0.00 to 80.00 ppt; 百分比盐度: 0.0 to 400.0% |
解 析 度:实际盐度/海水盐度为0.01;百分比盐度为0.1% | |
精 度:读数的±1% | |
温 度 |
测量范围 :-20.0 to 120.0℃; -4.0 to 248.0℉; 253.5 to 393.15K |
解 析 度: 0.1℃; 0.1℉; 0.1 K | |
精 度:±0.4℃; ±0.8℉; ±0.2 K | |
校准模式 |
pH校准:自动5点校准,内置8个校准点 (pH 1.68,3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) +5个用户自定义校准点 |
电导率校准:自动识别内置校准点或采用用户自定义校准点校准 | |
盐度校准: 百分比盐度单点校准(选购HI 7037校准液) | |
温度校准: 三点校准 | |
输入通道 |
双通道 |
校准核查 |
校准液和pH电极状态 |
温度补偿 |
自动或手动 -20.0 to 120.0℃ (-4.0 to 248.0℉) |
存储功能 |
手动或自动存储,10组,5000个样品值/每组 |
终点锁定 |
具有自动终点识别锁定功能 |
数据接口 |
RS232和USB接口 |
屏幕显示 |
240×320点阵彩屏 |
输入阻抗 |
1012 ohms |
配套电极 |
pH复合电极; HI 7662 温度探棒 (included) |
配套电源 |
HI710006/8 12VDC电源适配器 |
尺寸/重量 |
159 × 230 × 93 mm/ 800g |