Technical parameter
1)The measurement range:conductivity:0~20.0µS·cm-1 0~200.0µS·cm-1
0~2000µS·cm-1 Temperature:0~100℃;
2)The electronic unit basic error:conductivity :±0.5%F·S,
temperature :±0.5℃;
3) The electronic unit automatic temperature compensation range :0~100℃(The reference temperature 25℃);
4)The automatic temperature compensation error of electronic unit:±0.5%F·S;
5) The instrument’s basic error:conductivity:±1.0%F·S, temperature :±0.8℃;
6)The stability of electronic unit:±0.2%F·S/24h;
7)The repetitive error of electronic unit:≤0.2%F·S;
8)The alarm error of electronic unit:±1%F·S;
9)The output current error of electronic unit:±1%F·S;
10) The output current and maximum load of electronic unit:0~10mA maximum load 1.5KΩ,or 4~20mA maximum load 750Ω;
11)Water sample pressure :≥0.6MPa;
12)The normal open contact of alarm relay:3A 240VAC,6A 28VDCor120VAC;
13)Data storage time when the instrument is not connected the power supply:5 years;
14)Power supply:85~265VAC,50±1Hz;
15)The electronic unit dimension:150(length)×150(width)×235(depth)mm;
16)The tapping size of electronic unit :138×138mm;
17)The electronic unit weight :2.5kg;
18) Operating conditions :ambient temperature :0~60℃; relative humidity:no bigger than 90%;There are no corrosive gas around; There are no other magnetic fields or electromagnetic fields which produce the negative effect except the earth magnetic field.