Ysi Pro1030 Manuel d'utilisateur télécharger pdf (Page 17)

1. Soak the sensor for 10-15 minutes in clean water containing a

few drops of commercial dish washing liquid.

2. GENTLY clean the glass bulb and platinum button by rubbing

with a cotton swab soaked in the cleaning solution.

3. Rinse the sensor in clean water, wipe with a cotton swab

saturated with clean water, and then rerinse with clean water.

If good pH and/or ORP response is still not restored, perform the

following additional procedure:

1. Soak the sensor for 30-60 minutes in one molar (1 M) hydrochloric

acid (HCl). This reagent can be purchased from most lab supply

distributors. Be sure to follow the safety instructions included

with the acid.

2. Rinse the sensor in clean water, wipe with a cotton swab

saturated with clean water (not DI water), and then rerinse with

clean water. To be certain that all traces of the acid are removed

from the sensor crevices, soak the sensor in clean water for

about an hour with occasional stirring.

If biological contamination of the reference junction is suspected or if

good response is not restored by the above procedures, perform the

following additional cleaning step:

1. Soak the sensor for approximately 1 hour in a 1:1 dilution of

commercially-available chlorine bleach.

2. Rinse the sensor with clean water and then soak for at least 1

hour in clean water with occasional stirring to remove residual

bleach from the junction. (If possible, soak the sensor for a

period of time longer than 1 hour in order to be certain that all

traces of chlorine bleach are removed.) Then rerinse the sensor

with clean water and retest.

CAUTION: When using a cotton swab, be careful NOT to

wedge the swab between the guard and the glass sensor. If

necessary, remove cotton from the swab tip, so that the cotton

can reach all parts of the sensor tip without stress. You can

also use a pipe cleaner for this operation if more convenient.

Dry the port and sensor connector with compressed air and

apply a very thin coat of o-ring lubricant to all o-rings before

reinstallation.

If this procedure is unsuccessful, as indicated by improper sensor

performance, contact YSI Technical Support or the YSI authorized

dealer where you purchased the instrument.

SENSOR STORAGE

SHORT TERM STORAGE

The instrument is supplied with a grey storage sleeve that slides over

the probe guard. The sleeve is used for short-term storage (less than 2

weeks). Be sure to keep a small amount of moisture (clean tap water)

on the sponge in the sleeve during storage. The moistened sponge in

the sleeve provides a 100% water saturated air environment which is

ideal for short-term sensor storage.

LONG TERM STORAGE

The conductivity sensor should be stored long term in a dry state while

the ISE sensor should be stored in solution. When storing for more then

30 days, place the ISE sensor in the storage bottle that was originally

included with the sensor. This can be filled with buffer 4 solution. If you

no longer have the storage bottle, simply place the sensor in a buffer 4

solution. Ensure the conductivity sensor is clean and dry.

Long Term Storage Temperature: -5 to 70°C (23 to 158°F) without pH

0 to 30°C (32 to 86°F) with pH*

*Operating temperature range for pH sensor is -5 to 60°C (23 to 140°C).

TROUBLESHOOTING

Symptom Possible Solution

Instrument will not turn

on, a battery symbol

appears, or “Critical

Shutdown” displays

on the screen.

1. Low battery voltage, replace batteries.

2. Batteries installed incorrectly,

check battery polarity.

3. Return system for service.

Temperature values

display Over or Undr

on Run screen.

1. Sample temperature is less than -5° C or

more than +55°C. Increase or decrease

the sample temperature to bring within

the allowable range.

2. Contact YSI Tech Support.

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Ysi Pro1030 Manuel d'utilisateur Page 17

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