Supplied Materials; Battery Installation - Extech Instruments EC150 User Manual

Introduction
Congratulations on your purchase of the Extech Pen Style Water Quality instrument; the Model
EC150 measures Conductivity and TDS (Total Dissolved Solids) plus Temperature. The instrument
is housed in an IP65 Water-proof enclosure for safety. This instrument is shipped fully tested and
calibrated and, with proper use, will provide years of reliable service.
Features
 Automatic Ranging and Manual Ranging capability
 Dual Display with ATC (automatic temperature control)
 Data hold for freezing displayed readings
 Low battery indicator
 Automatic power-off for maximum battery efficiency
 Switchable temperature units of measure (C/F)
 Multi-point and one-touch calibration features
 Powered by four (4) LR44 batteries

Supplied Materials

 EC150 meter
 Four (4) LR44 button batteries
 Operation manual (hard copy, mini-disk)

Battery Installation

The meter is shipped with the four (4) LR44 button batteries
removed. The user must install the batteries before the meter
can be used. Refer to accompanying diagram.
1.
compartment cover (top of meter) in a counter-
clockwise direction. Please do not discard the black
washer.
2.
batteries, carefully orienting the batteries and
observing polarity.
3.
compartment cover.
4.
periods.
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Unscrew the battery
Install the four (4) LR44 button
Replace the battery
Please remove the batteries while the meter is not in use for long
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EC150-EU-EN-V2.0-9/11