Extech Instruments EC150 User Manual

12 EC150-EU-EN-V2.0-9/11
Specifications
General Specifications
Measurement ranges Conductivity: 0 to 1999µS and 0 to 19.99mS
TDS: 0 to 1999ppm and 0 to 19.99ppt
Accuracy Conductivity and TDS: 1% Full Scale ±1digit
Resolution Conductivity: 1µS and 0.01mS
TDS: 1ppm and 0.01ppt
Temperature Accuracy ±0.5
° C
Temperature Resolution 0.1
° C/ ° F
Calibration One point calibration per range
Auto Power OFF After 20 minutes of inactivity
Data Hold Freezes displayed reading
Automatic Temperature Compensation (ATC): 0 to 50
° C
Waterproof IP65 rated
TDS Factor Selectable from 0.40 to 1.00
Temperature Coefficient Selectable from 0 to 4.0%/
° C
Normalization Temperature (Reference Temperature) Selectable: 20
° C or 25 ° C
Basic status indicators Out-of-range (----) and low battery
Power Supply Four (4) LR44 ‘button’ batteries
Dimensions 165 x 35 x 32mm (6.5 x 1.4 x 1.3”)
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Extech Instruments EC150 Specifications

Measurement Ranges

conductivity range	0 to 1999µS and 0 to 19.99mS
TDS range	0 to 1999ppm and 0 to 19.99ppt

Accuracy and Resolution

conductivity and TDS accuracy	1% Full Scale ±1digit
conductivity resolution	1µS and 0.01mS
TDS resolution	1ppm and 0.01ppt
temperature accuracy	±0.5°C
temperature resolution	0.1°C/°F

Power

auto power off	After 20 minutes of inactivity
power supply	Four (4) LR44 ‘button’ batteries

Dimensions

dimensions	165 x 35 x 32mm (6.5 x 1.4 x 1.3”)