Hach PHC28101 Скачать руководство пользователя страница 13

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Message or symptom

Possible cause

Action

Out of limits

Check standard value is outside of
limits set in the current method

Make sure that the standard is within the limits of the
current method.

Create another method that expands the acceptable
limits.

Measurement value is outside of
measurement limits set in the
current method.

Make sure that the sample is within the limits of the
current method.

Create a new method with an expanded range.

Temperature out of range

Temperature value is outside of
range

Make sure that the sample temperature is within the
range of the probe.

Make sure that the temperature sensor is working
correctly.

Measured temperature is outside
the range of the probe

Make sure that the standard temperature is within the
range of the probe.

Make sure that the temperature sensor is working
correctly.

Check standard temperature value
is outside of range

Make sure that the check standard temperature is within
the range of the probe.

Содержание PHC28101

Страница 1: ...combination probe with refillable double junction reference and built in temperature sensor pH range pH 0 to 14 pH resolution User selectable stabilization time and resolution Fast 0 1 Fast 0 01 Medi...

Страница 2: ...viscous storage filling solution completely Blot dry with a lint free cloth 4 Remove the protective tape from the filling hole before initial use refer to Figure 1 on page 2 Dispose of the protective...

Страница 3: ...ne with a pH above and one with a pH below the expected sample pH For a one point calibration select the buffer nearest to the expected sample pH The calibration is recorded in the probe and the data...

Страница 4: ...rect service life time stamp Set the date and time in the meter before the probe is attached If complete traceability is necessary enter a sample ID and operator ID before measurement Refer to the HQd...

Страница 5: ...eat steps 2 4 for additional measurements 7 When measurements are done store the probe refer to Storage on page 10 Run a check standard The run check standard feature validates instrument performance...

Страница 6: ...question mark until the probe is recalibrated To correct the probe calibration and status indicator calibrate the probe refer to Calibration on page 3 Advanced operation Parameter specific settings c...

Страница 7: ...elect Measurement Options and update the settings Option Description Resolution Sets the resolution 0 1pH Fast 0 01pH Fast default 0 01pH Medium 0 01pH Slow or 0 001pH Slow The resolution affects the...

Страница 8: ...ration points necessary before a calibration can be completed 1 default 2 or 3 Slope Limit Sets the slope limit 1 to 10 acceptable slope criteria default 5 The slope must fall within set limits for su...

Страница 9: ...ed when this option is selected Change check standard options 1 Make sure a probe is connected to the meter 2 Push and select PHC281 Settings 3 Select Modify Current Settings 4 Select Check Standards...

Страница 10: ...ute in deionized water 4 Soak the probe in pH 4 buffer for up to 20 minutes then rinse with deionized water 5 Blot dry with a lint free cloth For fats grease and oils 1 Soak the glass bulb in a warm d...

Страница 11: ...rer s website Refer to the HQd Series meter manual for specific instructions for the meter model HQd meter does not support IntelliCAL probe Contact a Technical Support Representative Connect a probe...

Страница 12: ...ts by changing the PHC281 calibration settings and method 2 Recalibrate the probe 3 Run a check standard to check the performance of the probe Drifting Inaccurate readings Contaminated glass bulb Clea...

Страница 13: ...the current method Create a new method with an expanded range Temperature out of range Temperature value is outside of range Make sure that the sample temperature is within the range of the probe Mak...

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