Model

DDS-11A

DDS-307A

Measuring range

0.001~2uS/cm;0.01~20uS/cm;0.1~200uS/cm;

0.001~2.mS/cm;0.01~20 mS/cm

Conductivity:      0.00μS/cm-100μS/cm;   TDS: 0-1000 mg/L

Accuracy

electronic unit: ±1.0%(FS) ±1bit   electronic meter:±1.5%(FS) ±1bit              

Conductivity: ±0.5%FS; T D S: ±1.0%FS;  Temp :±0.3°C±1 bit

Stability

--

(±0.33%FS±1 digital)/3h

Temp compensation

range

(5-35℃)Manual

(0.0-40.0°C)Manual/Auto

Temp coefficient:

--

2%

Power supply

220V/110V

220V/110V

Standard accessories

Conductivity electrode+temp electrode+electrode holder