Conductivity Meter Lutron CD4303 is a portable digital instrument designed to measure electrical conductivity in liquids.
Features :
- Microcomputer circuit assures maximum possible accuracy, provides special function and features.
- Super large LCD display with contrast adjustment for best viewing angle.
- Dual function meter’s display.
- Heavy duty & compact housing case, designed for easy carry out & operation.
- Auto shut off saves battery life.
- The portable convenience of a remote probe separately.
- RS 232 PC serial interface.
- Multi-measuring ranges : 200 uS, 2 mS, 20 mS.
- Wide automatic temperature compensation range from 0 to 60 C, high accuracy

Specifications :
- Circuit : Custom one-chip of microprocessor LSI circuit.
- Measurement & ranges : 200 uS – 0.1 uS to 199.9 uS. 2 mS – 0.2 mS to 1.999 mS. 20 mS – 2 mS to 19.99 mS Temperature : C, F
- Sensor Electrode : Carbon rod electrode, high reliability.
- Memory Recall : Record maximum, minimum and average readings with recall.
- Power Off : Auto shut off saves battery life or manual off by push button.
- Sampling Time : Approx, 0.8 second.
- Data Output : RS 232 PC serial interface.
- Power Supply : 006P DC 9V battery { heavy duty }
- Operating Humidity : Max. 80% RH.
- Dimension :
- Main instrument : 180 x 72 32 mm { 7.1 x 2.8 x 1.3 inch }
- Conductivity probe : Round 22 mm Dia x 120 mm.