Extech CL200, EX800, EX900 Operating Manual
User's Guide
ExStik® CL200
Waterproof Total Residual Chlorine Tester
Patent Pending
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 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, self-calibration, 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.
Applications
The CL200 can be used wherever a measurement of the total chlorine
in water is needed. This is also referred to as total residual chlorine. It
measures the total of all chlorine present in all forms, including
dissolved free chlorine, chloramines, hyporchlorous 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.
CL200 V6.0 06/05 2
Meter Description
CL200 Front Panel Description
The ExStik’s
change depending on the electrode
attached (pH, ORP or Chlorine). Key
descriptions here apply for the ExStik
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 not required
for chlorine)
5. ON/OFF button
6. Electrode Collar
7. Electrode
(Note: The Electrode cap is not shown)
ExStik
®
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
®
keys have functions which
CL200 Display
®
with
1
2
3
4
5
6
Accessories
• CL203 – ExTab® Reagent tablets (10-pack for 100 tests)
• CL205 – Spare chlorine electrode
• EX006 – Weighted base with 5 solution cups
• PH100 – pH Electrode
• RE300 – ORP Electrode
• EX007 – Solution cups (24 pack)
CL200 V6.0 06/05 3
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