Overview
QIWEI DDS-11A Conductivity Meter (precision type) is suitable for laboratory measurement of various liquid medium conductivity, using professional circuit structure, high-definition digital display, can output measurement signals, high measurement Reliability, Stability. Measurement range of the instrument is 0~ 2 × 105 (μS/cm), with 0.1, 10 constant Conductivity detector Electrode, can accurately measure high pure water conductivity or high Conductivity detector water.
Features
1. Professional circuit structure design
2. High-definition digital display
3. Output measurement signal
4. Reliability of measurement
5. Stability
6. Support a variety of Electrode constant specifications
Principle
Instrument by Conductivity detector Electrode measurement of liquid conductivity, using K = D × J calculation formula, where K is the measured liquid conductivity, D is the instrument display value, J is the Conductivity detector Electrode specification constant, through different specifications with the corresponding constant Electrode range setting to achieve accurate measurement.
Applications
Research, teaching, industry, agriculture
Steps
1. Select the appropriate Electrode constant specification according to the measurement requirements
2. Set the range switch position
3. Display range measurement according to the corresponding range
4. Read the instrument display value and calculate the conductivity
Notice
• Please use Ambient Temperature 0 ℃~ 40 ℃
• Air relative humidity should be ≤ 85%
• Avoid use in a significantly vibrating environment
• Avoid strong magnetic field interference
• Pay attention to the unit conversion relationship of different range gears: 1 μS = 10-3 mS = 10-6 S
