HF scientific CLX Online Residual Chlorine Monitor (Old) - Manual (Page 8)

1.0 Overview
The CLX Online Chlorine Analyzer allows for the reading of chlorine levels of process
water on-line. The CLX has been designed to meet the design criteria specified by
Standard Methods for the Examination of Water and Wastewater (20th Edition) Method
4500-Cl G. DPD Colorimetric Method. The CLX uses a 515nm LED as the measurement
light source.
1.1 Unpacking and Inspection of the Instrument and Accessories
The table below indicates the items in the shipment.
Item Quantity
CLX Analyzer 1
Instruction Manual 1
Mounting Kit 1
Tubing/Cuvette Kit 1
In-Line Strainer 1
Remove the instrument from the packing carton. Carefully inspect all items to ensure that
no visible damage has occurred during shipment. If the items received do not match the
order, please immediately contact the local distributor or the HF scientific, inc. Customer
Service Department.
1.2 The Display
Figure 1 illustrates all the items that can appear on the display. The upper row of the
display (1) is used for reporting the chlorine levels and to provide user guidance in the
customer setting routine. The lower row of the display (2) is used to communicate error
messages (message queue) and provide user guidance. The display has two icons (3) that
are used to indicate the use of access code and offset mode. In addition, mode arrows (4)
are used to indicate the current instrument operating mode; AUTO (normal operation),
CAL (calibration) and CONFIG (configuration).
Figure 1: Display used in the instrument.
All items used on the display are shown in this figure.
CLX (9/07) Page 2
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