AMTAST AMT28 and AMT28F pH Meter User manual

Brand
AMTAST
Model
AMT28 and AMT28F pH Meter
Category
Cable network testers
Type
User manual

AMTAST AMT28 and AMT28F pH Meter is a pen-type pH tester that does not require calibration. It is easy to use and can be reset to factory default if needed. The meter can be used to test the pH of liquids and surfaces. To use the meter, first turn it on and put the sensor in the liquid or on the surface you want to test. The meter will display the pH and temperature value alternately. The value will automatically hold when stable. To test again, short press the ON/OFF button. To turn off the meter, long press the ON/OFF button. The meter also has a maintenance function.

AMTAST AMT28 and AMT28F pH Meter is a pen-type pH tester that does not require calibration. It is easy to use and can be reset to factory default if needed. The meter can be used to test the pH of liquids and surfaces. To use the meter, first turn it on and put the sensor in the liquid or on the surface you want to test. The meter will display the pH and temperature value alternately. The value will automatically hold when stable. To test again, short press the ON/OFF button. To turn off the meter, long press the ON/OFF button. The meter also has a maintenance function.

No Calibration Pen Type pH Tester AMT28
USER GUIDE
Quick Step for Use:
1. First time use or long time not use, turn off the meter and put
sensor in the sample liquid or tap water (don’t put sensor in
distilled water) for about 2-5 minutes. Shake it gently in the water.
2. Long press ON/OFF button to start test, meter will display pH and
temperature value alternately. Value will automatic hold when
stable.
3. Short press ON/OFF, meter will test again.
4. Long press ON/OFF meter will shut off.
5. After 5 months or accuracy not good, meter in shut down state,
long press about 15 seconds, till meter display “dEFA", release
button and meter will reset to factory default.
Calibration (No need, this function only for professional user or
meter work wrong!)
1. Though this meter no need calibration and easy to reset to factory
default, it also can calibration by professional user.
2. Shut down meter, put sensor in the 6.86 buffer solution, shake it
gently and wait for 2 minutes.
3. Long press ON/OFF about 10 seconds till meter display “CALI”,
meter will automatic calibration and no need any operation. After
calibration finish, meter will turn off.
Maintenance:
1. Always clean the sensor after use by tap water.
2. Check the battery compartment to avoid water into or battery
leakage.
AMTAST USA INC.
438 Skyline Dr. E Lakeland FL. 33809 USA
No Calibration Pen Type Surface pH Tester AMT28F
USER GUIDE
Quick Step for Use:
1. First time use or long time not use, turn off the meter and put
sensor in the water liquid (don’t put sensor in distilled water) for
about 2-5 minutes. When test, spray some water first to the
surface to make surface not too dry.
2. Long press ON/OFF button to start test, meter will display pH and
temperature value alternately. Value will automatic hold when
stable.
3. Short press ON/OFF, meter will test again.
4. Long press ON/OFF meter will shut off.
5. After 5 months or accuracy not good, meter in shut down state,
long press about 15 seconds, till meter display “dEFA", release
button and meter will reset to factory default.
Calibration (No need, this function only for professional user or
meter work wrong!!)
1. Though this meter no need calibration and easy to reset to factory
default, it also can calibration by professional user.
2. Shut down meter, put sensor in the 6.86 buffer solution, shake it
gently and wait for 2 minutes.
3. Long press ON/OFF about 10 seconds till meter display “CALI”,
meter will automatic calibration and no need any operation. After
calibration finish, meter will turn off.
Maintenance:
1. Always clean the sensor after use by tap water.
2. Check the battery compartment to avoid water into or battery
leakage.
AMTAST USA INC.
438 Skyline Dr. E Lakeland FL. 33809 USA
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AMTAST AMT28 and AMT28F pH Meter User manual

Brand
AMTAST
Model
AMT28 and AMT28F pH Meter
Category
Cable network testers
Type
User manual

AMTAST AMT28 and AMT28F pH Meter is a pen-type pH tester that does not require calibration. It is easy to use and can be reset to factory default if needed. The meter can be used to test the pH of liquids and surfaces. To use the meter, first turn it on and put the sensor in the liquid or on the surface you want to test. The meter will display the pH and temperature value alternately. The value will automatically hold when stable. To test again, short press the ON/OFF button. To turn off the meter, long press the ON/OFF button. The meter also has a maintenance function.

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