Getting Started; Battery Activation; Operation - Extech Instruments ExStik CL200 User Manual

Getting Started

Equipment Required
A chlorine test requires a 20ml sample cup, a reagent tablet, and the CL200 with a chlorine
electrode attached. Refer to 'Reagent Tablet Health Hazards' for important safety information The
optional EX006 Weighted base is a recommended accessory.

Battery Activation

An insulating tab is in the battery compartment and prevents battery drain during storage. It must be
removed before use. Refer to the Maintenance section for more information.

Operation

Calibration
Calibration of the CL200 is required to ensure measurement accuracy. Refer
to the Calibration section.
Sample Preparation
1. Put the test sample in the sample cup. Fill to the 20mL line.
2. Add one reagent tablet to the sample, wait 10 seconds, and shake or stir vigorously until the
tablet is dissolved.
Measurement
1. Put the electrode in the sample and press the ON button.
2. Stir the sample with the electrode for 5 to 10 seconds. The HOLD indicator
will appear after 120 seconds.
3. If the meter reads -1, the amount of chlorine in the sample is too small to
detect.
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