Extech Instruments EC150 User Manual

3 EC150-EU-EN-V2.0-9/11
Meter Description
1. Battery Compartment
2. Display
3. Keypad
4. Electrode
5. Electrode protective cap
Display Description
1. Data Hold icon
2. Micro- and milli-Siemens units
3. Primary measurement reading
4. Parts per thousand and parts per million
units
5. Temper
ature reading
6. Temperature units of measure
7. Battery strength indicator
8. Calibration
icon
Keypad Description
1. Power ON-OFF and SET button
2. Down Arrow, Data Hold, and Calibration button
3. Up arrow and MODE Button
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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”)