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Hca1 chlorine plus meter messages – Electro-Chemical Devices (ECD) HCA1 User Manual

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8. Minimize exposure of meter and test reagents to heat above 32°C (90°F).

9. Dry the outside of the meter when testing is complete or before storage of the

meter.

10. When running a DPD-1 Free Chlorine test AFTER a Total Chlorine DPD-4, or a

HR Free Chlorine test, rinsing is very important to remove residual KI, which

may interfere.

11. Each HCA1 Strip Micro is valid for ONLY one test. Discard strip after single use

in regular refuse that is inaccessible to children and pets.

12. Each bottle of HCA1 Strip Micro contains, at minimum, the quantity of strips

notated on the bottle. Due to the strip slitting process, you may find one or

two extra strips that are noticeably smaller or larger in width than the normal

strips in the bottle. These should be discarded. Using these strips may give

incorrect results.

13. The HCA1 Chlorine Plus Meter is not compatible for use with DPD-1, DPD-3,

and DPD-4 powder pillows, tablets, or liquids available from other

manufacturers. Accurate results can only be guaranteed by using genuine

HCA1 Micro strips or reagents (reorder information below).

14. Lab testing with the Chlorine Plus meter has shown that zeroing and

measuring of the sample normally does not require any cell cover for accurate

results, except in sunlight. To obtain optimal accuracy when testing with the

meter outdoors (sunlight), use the Mixing Cap/Cell Cover when zeroing and

reading the sample.

15. Remove batteries when meter is not used for more than a month (Warranty

Requirement).

HCA1 Chlorine Plus Meter Messages

Message Description

Corrective Action

Hi

In READ mode: test sample

concentration is above the

measurement range (test specific).

Dilute and retest. Dilution Kit

available

Lo

In READ mode: test sample

concentration is below the

measurement range (test specific).

Sample value is below

measurement range.

Lo

In ZERO mode: sample absorbance

(due to a cloudy or colored sample

or a dirty cell) is too high to zero,

the meter will read “LO”.

Dilute sample, filter sample, or

clean cell. One of these options

should remedy the problem.

ER

Excessive stray light detected.

Normally this does not occur, even

when testing in sunlight.

Place the LIGHT BLOCKING CAP

over the CELL for zeroing and for

reading result.

Low battery indication.

Replace the batteries.

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