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MRC CD-4303, Руководство по эксплуатации, Страница: 4 / 12

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2. SPECIFICATIONS

2-1 General Specifications

Circuit

Custom one-chip microprocessor LSI 
circuit.

Display

Dual function display, 13 mm(0.5")
Super large LCD display with contrast
adjustment for best viewing angle.

Measurement

Conductivity : 3 ranges
199.9 uS, 1.999 mS, 19.99 mS.
Temperature:
0 - 60   / 32 - 140  .

℃

℉

Temperature

Automatic from 0 to 60  (32 - 140  ),

℃

℉

Compensation with temperature compensation factor

variable between 0 to 5.0% per C.

Memory 

Records Maximum, Minimum  and Average

Recall

readings with  RECALL facility.

Power off

Manual off by push button or Auto shut off
offer 10 minuite(Not activated during
memory record function).

Data Output

RS 232 PC serial interface.

Over load

Indicated by "- - - -".

indication
Sampling Time Approx. 0.8 second.
Operating 

0 to 50   - main instrument.

℃

Temperature

0 to 60   - probe only.

℃

Operating 

Max. 80% RH.

Humidity
Power Supply

DC 9V battery, MN1604(PP3) or equivalent.
Heavy duty type.

Power Current Approx. DC 7.8 mA.

2

Содержание CD-4303

Страница 1: ...his PRESSURE METER is a complex and delicate instrument its durable structure will allow many years of use if proper operating techniques are developed Please read the following instructions carefully and always keep this manual within easy reach OPERATION MANUAL 3 Hagavish st Israel 58817 Tel 972 3 5595252 Fax 972 3 5594529 mrc mrclab com MRC 2 18 ...

Страница 2: ...3 6 Memory Record Button 4 3 7 Memory Call Button 4 3 8 Factor Button Temp Compensation Adjust 4 3 9 Range Select Switch 4 3 10 Temp Compensation Button 4 3 11 Battery Compartment Cover 4 3 12 Input Socket 4 3 13 RS 232 Output Terminal 4 3 14 Electrode Handle 4 3 15 Conductivity Electrode 4 3 16 Electrode Plug 4 4 MEASURING PROCEDURE 5 5 ADDITIONAL FEATURES 8 6 CALIBRATION PROCEDURE 9 7 RS232 PC S...

Страница 3: ...ity temp values Heavy duty compact housing case Records Maximum Minimum and Average readings with RECALL facilities Data hold function Auto shut off prolongs battery life Operates from DC 9V battery MN1604 PP3 or equivalent RS 232 PC serial interface Uses durable long lasting components enclosed in a strong light weight ABS plastic housing case Use selectable temperature units i e or Wide applicat...

Страница 4: ...mperature compensation factor variable between 0 to 5 0 per C Memory Records Maximum Minimum and Average Recall readings with RECALL facility Power off Manual off by push button or Auto shut off offer 10 minuite Not activated during memory record function Data Output RS 232 PC serial interface Over load Indicated by indication Sampling Time Approx 0 8 second Operating 0 to 50 main instrument Tempe...

Страница 5: ...1 PC Included Sensor probe 1 PC carrying case 1 PC 2 2 Electrical Specifications 23 5 A Conductivity Range Measurement Resolution Accuracy 200 uS 0 1 to 199 9 uS 0 1 uS 2 mS 0 2 to 1 999 mS 0 001 mS 2 F S 1 d 20 mS 2 to 19 99 mS 0 01 mS F S Full scale uS micro Simens mS milli Simens B Temperature Measuring Range 0 to 60 32 to 140 Resolution 0 1 0 1 Accuracy 0 8 1 5 3 ...

Страница 6: ...t 3 3 Data Hold Button Button 3 4 button 3 11 Battery Compartment 3 5 LCD Contrast Adjust Cover 3 6 Memory Record 3 12 Input Socket Button 3 13 RS 232 Output 3 7 Memory Call terminal Button 3 14 Electrode Handle 3 8 Factor Button 3 15 Conductivity Electrode Temp Coefficient 3 16 Electrode Plug Adjust Electrode 4 ...

Страница 7: ...h the Temp Compensation Button 3 10 Fig 1 the display will show 2 0 P b Push the Factor Adjust Button 3 8 Fig 1 to select the desired compensation factor The value will increment in steps of 0 1 per c Once the desired value is reached push the Temp Compensation Button 3 10 Fig 1 to set the new value 3 Select the applicable range using the Range Select Button 3 9 Fig 1 If the display shows it indic...

Страница 8: ... symbol To cancel the Data Hold function Press the Data Hold Button once more 4 3 Data Record Max Min Average reading The DATA RECORD function displays the maximum minimum and average readings To start the DATA RECORD function press the Record Button 3 6 Fig 1 once REC symbol will appear on the LCD display With the REC symbol indicated on the display a Push the CALL Button 3 7 Fig 1 once then the ...

Страница 9: ...ppear from the display 4 4 For quick measurement follow the procedures shown below Main procedures Change Select the desired POWER the default range ON Temperature Compensation Select or Factor if required Take Measurement Optional measuring procedures DATA HOLD MEMORY RECORD RS232 OUTPUT Max Min AVG Power management AUTO POWER OFF or MANUAL POWER OFF Not activated under memory record function dur...

Страница 10: ...DURE The meter has been calibrated during manufacture However it may be necessary to re calibrate periodically Particularly if the instrument is used foe a long period or if the conductivity electrode is changed To re calibrate the instrument follow the procedures shown below 1 Prepare a 1 413 mS Calibration Solution 2 Slide the Range Select Switch 3 9 Fig 1 to 2 mS position 3 Immerse the Conducti...

Страница 11: ... serial input Meter PC 3 5 mm jack plug 9W D Connector Center Pin Pin 2 Ground shield Pin 5 The 16 digit data stream will be displayed in the following format D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Each digit indicate the following status D0 End Word D1 to D4 Upper Display reading D1 LSD D4 MSD D5 to D8 Lower Display reading D5 LSD D8 MSD D9 Decimal Point DP for Upper display 0 No D...

Страница 12: ...r display value are D15 Start Word 8 BATTERY REPLACEMENT 1 When the left corner of LCD display show LBT it is necessary to replace the battery However in spec measurement may still be made for several hours after low battery indicator appears before the instrument become inaccurate 2 Slide the Battery Cover 3 11 Fig 1 away from the instrument and remove the battery 3 Install a 9V battery heavy dut...

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