ADWA AD331 Скачать руководство пользователя страница 14 | Manualshive

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ADWA AD331 Скачать руководство пользователя страница 14

Last calibration date (day and
month).

Last calibration date (year).

Last calibration time.

Cell constant (K)

Calibration with standard so-
lution.

The EC and TDS scales are autoranging. The meter
automatically sets the scale with the highest possible
resolution.
By pressing SHIFT and “lock” keys,
the autoranging feature is disabled
and the current range is frozen on
the LCD.
The µS, mS, ppm or ppt tag (depend-
ing on the selected measurement
mode and range) starts blinking.
To restore the autoranging option press the SHIFT and
“lock” keys again.

Note: Autoranging is automatically restored if range is

changed, if setup or calibration mode is entered,
or if meter is turned off and back on again.

14

AUTORANGING

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Содержание AD331

Страница 1: ...332 Waterproof Portable Meters for EC and TDS Measurements w w w a d w a i n s t r u m e n t s c o m MANAD331R2 05 09 ADWA HUNGARY Kft Als kik t sor 11 6726 Szeged Hungary Tel 3662317878 Fax 366255061...

Страница 2: ...l date of sale Warranty is only valid when the product is used under normal conditions and in accordance with the instruction manual The warranty is void if the instrument is repaired or serviced by u...

Страница 3: ...only 34 PC interface AD332 only 36 Battery Replacement 37 Probe Maintenance 38 Probes and Solutions 39 TABLE OF CONTENTS 38 PROBE MAINTENANCE After measurements rinse the probe with clean water If a m...

Страница 4: ...e setup procedure 4 AD331 AD431 and AD332 are waterproof portable meters AD331 reads EC in 5 ranges AD431 provides TDS readings in 5 ranges and AD332 can measure both EC and TDS All models also read t...

Страница 5: ...the following information for EC or TDS LOG Record No 001 Date 2000 01 01 Time 00 19 EC 83 2 mS C 25 0 PC INTERFACE AD332 only Data transmission from the instrument to the PC can be done with the ADSW...

Страница 6: ...ration Offset 0 0 ppm AD431 only Slope 1 point with 4 memorized standards 800 1382 ppm 6 44 40 0 ppt or one custom value 35 When in GLP mode the printout pro vides the following information When in SE...

Страница 7: ...ed Environment 0 to 50 C RH max 95 Dimensions 188 x 96 x 70 mm Weight 460 g 34 PRINTING AD332 only When connected to an external serial printer a com plete set of information can be printed Use the AD...

Страница 8: ...ble the Auto and H tags stop blinking and the read ing is frozen Press the HOLD key again to return to normal mea surement mode 8 FRONT AND TOP PANELS 33 Press CFM to confirm deletion or SHIFT HOLD ag...

Страница 9: ...CL key to store the measured data and to recall stored data 4 CAL SETUPkey to enter exit calibration and setup mode 5 CFM key to confirm values 6 SHIFT key to activate the key alternate function Press...

Страница 10: ...ading is displayed the meter shows the reading of next sample To return to measurement mode press SHIFT MRCL at any time 10 The meter is supplied complete with four 1 5 V AA alkaline batteries Remove...

Страница 11: ...can be disabled through the AoFF setup item see Setup section for details VIEWING STORED DATA To retrieve memorized information press SHIFT and then MRCL keys The primary LCD displays the date day mo...

Страница 12: ...D shows the temperature reading To store current reading into memory press STORE key from measurement mode The LCD will display for a few seconds the Stor mes sage together with the Log tag and the sa...

Страница 13: ...h deion ized water before immersing it into the next sample For AD332 the TDS reading is obtained by mul tiplying the EC value by the TDS factor de fault 0 50 This factor can be selected by the user 0...

Страница 14: ...ution By pressing SHIFT and lock keys the autoranging feature is disabled and the current range is frozen on the LCD The S mS ppm or ppt tag depend ing on the selected measurement mode and range start...

Страница 15: ...compensation setting can be ac cessed through the tcE setup item see Setup section for details If the temperature compensation is active mea surements are compensated using the tempera ture coefficie...

Страница 16: ...he new coefficient can be calculated with the following formula 1 20 If 1 90 C then 2 10 C For AD332 always set reference tempera ture to 25 C when measuring TDS 25 The following table lists the setup...

Страница 17: ...olution The sleeve holes must be completely submerged Tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve To enter calibration mode press the CAL key from the corr...

Страница 18: ...tup item The cur rent value of the selected item starts blinking if the pa rameter can be modified For zero calibration simply leave the dry probe in the air The CAL and BUFFER tags light up The prima...

Страница 19: ...select the proper EC or TDS range Press first CAL to enter the calibration mode and then RANGE or NEXT to enter the custom calibration Temperature reading can be manually fine tuned as ex plained in...

Страница 20: ...the value displayed on the secondary LCD When the reading is stable the CFM tag starts blink ing Press CFM to confirm calibration 20 21 The instrument displays the Stor Good message and returns to me...

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