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USER MANUAL
ExStik® CL200A
Waterproof Total Residual Chlorine Tester
Patent Pending
Additional User Manual Translations available at www.extech.com
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Introduction
Congratulations on your purchase of the ExStik® CL200 chlorine tester. The CL200 is a
revolutionary first of its kind measurement device that offers direct reading of Total Chlorine from
0.01 to 10.00 ppm. The electrode method employed by the ExStik
®
is approved by the U.S.
Environmental Protection Agency (EPA) as an acceptable method for wastewater compliance
monitoring of total chlorine. For this type of electrode method, a reagent tablet* (supplied) must be
added to the measurement solution before testing. The advantages of the CL200 to the user
include: Easy to use and maintain, high accuracy, and fast response. The CL200 offers
simultaneous Chlorine and Temperature displays and a 15-reading memory storage. Careful use
and maintenance will provide years of reliable service.
*Reagent Tablet Health Hazards
WARNING: Reagents marked with an * are considered to be potential health hazards.
To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com
.
Search for the four-digit reagent code number listed on the reagent label, in the contents
list or in the test procedures. Omit any letter that follows or precedes the four-digit code
number. For example, if the code is 4450WT-H, search 4450. To obtain a printed copy,
contact LaMotte by email, phone or fax.
Emergency information for all reagents manufactured for Extech by LaMotte are available from
Chem-Tel: (US, 1-800-255-3924) (International, call collect, 813-248-0585)
Applications
The CL200 can be used wherever a measurement of the total chl orine in water is needed. Thi s is
also referred to as total residual chlorine. It measures the total of all chlorine present in all forms ,
including dissolved free chlorine, chloramines, hypochlorous acid and hypochlorite ion. Typical
applications include measurements of discharge water from water treatment plants, public
drinking water supplies and cooling towers, and measurement of disinfectant properties in
swimming pools and cooling water applications.
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Meter Description
CL200 Front Panel Description
The ExStik’s
®
keys have functions which change depending on the electrode
attached (pH, ORP or Chlorine). Key descriptions here apply for the ExStik
®
with a
chlorine electrode attached.
1. Battery compartment
2. LCD Display
3. MODE/HOLD button (store data)
4. CAL/RECALL button change temperature units and recall data.
(Calibration is required for chlorine)
5. ON/OFF button
6. Electrode Collar
7. Electrode
(Note: The Electrode cap is not shown)
ExStik® CL200 Display
1. Bargraph display
2. Measurement display
3. BAT (low battery) and
HOLD (data hold) indicators
4. Temperature display
5. Bargraph scale designations
6. Unit of measure