范围    PH

        MV

        EC

        TDS

        NACL

        温度

-2.00 to 16.00 pH; -2.000 to 16.000 pH

±699.9 mV; ±2000 mV

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 （uncompensed EC*）

0.0 to 14.99 mg/L （ppm）; 15.0 to 149.9 mg/L （ppm）; 150 to 1499 mg/L （ppm）;

1.50 to 14.99 g/L （ppt）; 15.0 to 100.0 g/L （ppt）;

up to 400.0 g/L actual TDS （with 0.80 factor）

0.0 to 400.0%

-20.0 to 120.0°C / -4.0 to 248.0°F

分辨率  PH

        MV

        EC

        TDS

        NACL

        温度

0.01 pH; 0.001 pH

0.1 mV; 1 mV

0.01 μS/cm; 0.1 μS/cm; 1 μS/cm; 0.01 mS/cm; 0.1 mS/cm;

0.01 mg/L; 0.1 mg/L; 1.0 mg/L; 0.01 g/L; 0.1 g/L

0.1%

0.1°C / 0.1°F

精度    PH

        MV

        EC

        TDS

        NACL

        温度

±0.01 pH; ±0.002 pH

±0.2 mV; ±1 mV

±1% of reading ±（0.05 μS/cm or 1 digit）

±1% of reading ±（0.03 ppm or 1 digit）

±1% reading

±0.4°C / ±0.8°F

REL MV OFFSET

±2000 mV

校准    PH

        EC

        NACL

        温度

1, 2 or 3 点校准, with 7 memorized buffers （pH 1.68, 4.01, 6.86, 7.01, 9.18,

10.01 ａnd 12.45）

1 point slope calibration with 6 memorized solutions: （84 μS/cm, 1413 μS/cm,

5.00 mS/cm, 12.88 μS/cm, 80.0 μS/cm, 111.8 mS/cm）

1 point, with MA9066 solution

2 point, at 0 ａnd 50°C / 32 ａnd 122°F

温度补偿

自动或手动  -20.0 to 120.0°C / -4.0 to 248.0°F

温度系数

0.00 to 6.00%/°C （EC ａnd TDS only）进行选择

PH及温度电极

MA917B/1  MA831R

EC/TDS/NACL/温度电极

MA814D/1

TDS因子

0.40 to 0.80 （default value is 0.50）

LOG ON DEMAND

up to 50 samples on each range （pH, mV, EC, TDS, NaCl）

GLP

上一个pH, EC, NaCl校准数值

PC转换接口

RS232或USB光学转换

环境

0 to 50°C / 32 ａnd 122°F; max RH 95%

输入阻抗

1012 Ohm

电源

12 VDC power adapter （included）

尺寸

230 x 160 x 95 mm

重量

0.9 kg