Lutron PCD-431 TDS, Conductivity Meter Pen Type 
TDS Meter, Conductivity Meter Pen Type 
Model: PCD-431 
Lutron - Taiwan 
 
Product Review
• 2 ranges : 2,000 uS, 20 mS
• Temperature measurement, oC/oF
• Automatic temperature compensation
• Probe with the meter, all in one
• Carbon rode electrode, high reliability
• Data hold, Record ( max., min. )
• IP-67 Water resistance, heavy duty
• External calibration buttons
• DC 1.5V battery ( UM-4, AAA ) x 4
 
Features
• All in one pen type conductivity meter provides fast, accurate readings with digital reading.
• Conductivity measurement ( uS, mS ) or TDS ( Total Dissolved Solids, ppm ) can be selected.
• Conductivity : Two ranges, 2,000 uS, 20.00 mS
• TDS : Two ranges, 20,000 ppm, 2,000 ppm.
• Carbon rod electrode for long life.
• Build in temperature sensor, ATC ( auto temperature compensation ).
• Temperature measurement, ℃, ℉.
• IP67, water proof and protection.
• LCD with two displays show conductivity and Temp value at same time.
• Data hold function for freezing the desired value.
• Auto power off to save the battery life.
• Records max. and min. value with recall.
• Microcomputer circuit, intelligent function, high accuracy.
• Compact size, light weight.
• Power supply by DC 1.5 V battery ( UM4/AAA ) x 4 PCs,
• Available for wide applications, such as aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges, swimming pools, water conditions.