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4-in-1 multi-range sensor for measuring Conductivity, TDS, Salinity and TemperatureThe Extech EC400 ExStik features six units of measure, internal memory that stores up to 15 labeled readings for easy recall, adjustable conductivity to TDS ratio factor

Excellent chemical and oil resistance.Approximately 1/2 the weight compared to steel.Can also be used for strong acids and strong alkalis.It's an open drum.Some drums have obtained the UN mark. (UN mark...It is a product that complies with international standards for maritime transport of dangerous goods)Purpose:For powder transportation.

- Economical type.- pocket size.

CONDUCTIVITY METERModel : CD-4301- 4 ranges: 200 uS, 2mS, 20mS, 200mS.- Automatic temperature compensation.

The 7-in-1 EC600 Kit measures Conductivity, TDS, Salinity, Resistivity, pH, mV and Temperature. It has automatic one button calibration of 4, 7 and 10 pH with a choice of 3 point calibration for better accuracy and it provides automatic temperature compensation. One point conductivity calibration automatically recognizes eight calibration solutions from USA, Europe, and China. Memory stores up to 300 readings with series number, measured value and temperature. The meter has a large, blue, backlit LCD display screen with an auto power off function with disable that saves battery life. The IP57 waterproof housing protects it from the elements. Complete with pH/mV/Temperature electrode, polymer Conductivity cell, pH and Conductivity calibration solutions, batteries and hard carrying case.

CONDUCTIVITY/TDS/SALT METERModel : YK-22CTA- One meter for one purpose operation: CD, TDS, Salt measurement.- Conductivity : 200 uS/2 mS/20 mS/200 mS.- Salt : 0 to 12 % salt (% weight).- Conductivity measurement can select Temp. Coefficient of measurement solution.- ATC for the conductivity measurement.- LCD with green light backlight, easy reading.- Can default auto power off or manual power off.- Data hold, record max. and min. reading.- Power by DC 9V (006 P) battery or DC 9V adapter in.- RS232/USB PC COMPUTER interface.

It is an economical, water resistant, portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single probe. The meter operation is simplified with dedicated buttons for measurement modes to be displayed on the LCD and knobs for single point calibration of pH and EC/TDS.