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JENCO 6179, Руководство по эксплуатации

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GENERAL INTRODUCTION

Thank you for selecting the 6179 meter. The 6179 is a precision tool

that measures pH, mV, ion concentration and temperature. A built-in

microprocessor stores, calculates and compensates for all

parameters related to pH determinations including pH electrode

temperature characteristics, electrode slope deviations, offset and

buffer solutions.

This meter has a waterproof IP54 case. The mechanical keys are

highly reliable with tactile and audio feedback. It is powered by six

AAA-size alkaline batteries or with a UL/CE approved AC adapter

(OUTPUT:DC 9 V). The meter also displays a “BAT” message when

the batteries are in need of replacement. Re-calibration is not

required when power is restored.

The front of the meter has a large LCD that displays pH , mV , Rmv,

ion and temperature measurements along with user prompts and

mode indicators. The unit prompts the user through calibration and

measurement procedures.

An AUTOLOCK feature for pH, mV

（

RmV

）

and ion measurements

enables the unit to automatically sense the end point and “LOCK”

the display to indicate the end point value of a measurement.

AUTOLOCK and user prompts help eliminate most errors in

determining pH, mV (Rmv), ion values, resulting in precise,

repeatable and error-free measurements. The 6179 can also be

used in non-AUTOLOCK mode.

The model 6179 is available with pH, ORP, ion and ATC (Automatic

Temperature Compensation) probes. Other features include up to 5

point calibration for pH , 2 to 5 point calibration for ion, 1 point

calibration for ORP, electrode offset recognition, electrode slope

recognition, electrode efficiency display, built-in buffer coefficients,

automatic or manual temperature compensation and 50/60 Hz AC

noise rejection. This meter is user-friendly for laboratory application.

INITIAL INSPECTION

Carefully unpack the unit and accessories. Inspect for damages

made in shipment. If any damage is found, notify your

JENCO

representative immediately. All packing materials should be saved

until satisfactory operation is confirmed.

POWER INPUT

The model 6179 can be powered by an UL/CE approved 100 to 240

VAC adaptor as well as 6 “AAA” alkaline batteries. Check the label

on the AC adaptor supplied with the instrument to make sure that

the AC line voltage is correct. If the wrong AC adaptor is supplied,

notify your

JENCO

representative immediately.

Содержание 6179

Страница 1: ...Operation Manual MODEL 6179 Microcomputer Based pH ORP ION Temperature Benchtop Meter 6179 ...

Страница 2: ... Display 4 B Keys 5 OPERATIONAL PROCEDURES 6 A Buffer Set Selection 6 B pH Calibration 6 C pH Measurements 10 D Temperature Measurements 11 E mV offset 11 F mV Rmv Measurements 11 G Ion Calibration 12 H Ion Measurements 14 I Ion Selective Electrodes 15 J pH Buffers 16 ERROR DISPLAYS AND TROUBLESHOOTING 17 SPECIFICATIONS 18 WARRANTY 19 ...

Страница 3: ...icate the end point value of a measurement AUTOLOCK and user prompts help eliminate most errors in determining pH mV Rmv ion values resulting in precise repeatable and error free measurements The 6179 can also be used in non AUTOLOCK mode The model 6179 is available with pH ORP ion and ATC Automatic Temperature Compensation probes Other features include up to 5 point calibration for pH 2 to 5 poin...

Страница 4: ...the counter clockwise direction After unlocking the screw take off the battery cover Fig 1 2 Replace the old batteries with new ones and install them in the correct polarity position 3 Put the battery cover back on the instrument Use a Philip screw driver and turn the screw in the clockwise direction to lock the battery cover Figure 1 Battery compartment CONNECTOR 1 2 3 Figure 2 Connector ...

Страница 5: ... battery indicator 8 Buffer selection This indicator will flash if the unit is not yet calibrated This indicator will remain lit up if the unit has been calibrated 3 pH Unit and mode indicators 9 LOCK This will indicate that the reading is frozen during AUTOLOCK mode 4 mV RmV Unit and mode indicators 10 EFF This will be displayed if the user is viewing the efficiency of the electrode 5 ATC MAN ATC...

Страница 6: ... key to enter the hold clear selection 3 In ion mode press the Set key to enter the calibration point selection mode Mea Eff Stand Slope Mode Clear Mea Eff Stand Slope Mode Clear Up Down 1 In the pH ORP ION measure mode these two keys are used to manually enter the temperature values They have no effect on the unit when operating in ATC mode 2 In the ORP calibration mode these two keys are used to...

Страница 7: ...eat this procedure every time the unit is power up unless one decides to change the buffer settings B pH Calibration The 6179 uses up to 5 point calibration Note If the device is required to perform more than one calibration points the first calibration point must be 6 86 7 00 pH a Calibration with an ATC Temp probe in the pH AUTOLOCK mode 1 Turn the unit on In pH AUTOLOCK mode press Set to enter ...

Страница 8: ...nt calibration is now complete Press Mode to exit 5 To continue with the third the fourth and the fifth point calibration repeat step 4 Press Mode to exit calibration mode when the desired calibration points are completed 6 The unit calculates and compensates for the pH electrode slope deviation corresponding to the values of the calibrated buffers After calibration press and hold Mea Eff for abou...

Страница 9: ...lection mode Use Up or Down to select the preferred buffer set Press Slope Enter to save the selected buffer set and enter the hold clear selection screen Use the Up or Down to select CLr Press Slope Enter The meter will clear all previously stored calibration values and is now ready for fresh calibration 2 Connect the pH electrode to the BNC connector and the ATC Temp probe to the ATC Temp connec...

Страница 10: ...ope Enter The meter will clear all previously stored calibration values and is now ready for fresh calibration 2 Connect the pH electrode to the BNC connector of the unit MAN and pH icons will lit up The CAL icon will begin to flash The meter is now ready for calibration 3 Rinse the pH probes in distilled water and immerse it in the first buffer solution to perform 2 to 5 point calibration the fir...

Страница 11: ... probe 5 When the WAIT icon disappears the reading is then LOCK and will not respond to further changes from the sample The pH value shown is the pH value of the sample at the displayed sample temperature Note For samples that are inherently unstable the unit will not AUTOLOCK In this case use the pH NON AUTOLOCK mode for measurements b Measurement with manual temperature compensation in the pH AU...

Страница 12: ...e sample The unit will display the measured temperature E mV Offset 1 Turn the unit on In mV Rmv mode Press Set to enter the hold clear selection screen Use Up or Down to select CLr Press Slope Enter The meter will clear all previously stored calibration values and is now ready for fresh calibration 2 Connect the ORP electrode to the BNC connector of the unit The MAN mV and AUTO icons will lit up ...

Страница 13: ...play to stabilize The instrument will display the mV RmV value of the sample G ION Calibration The 6179 can measure ion concentration when using an ion selective electrode ISE for the specific ion of interest The available ion calibration values are 0 10 1 0 10 0 100 0 and 1000 Choose a minimum of 2 consecutive values for calibration and prepare the corresponding ion calibration solutions For best...

Страница 14: ...andard solution Press Slope Enter The Wait icon will flash until the meter detects a stable reading When the Wait icon disappears and the ion calibration value on the secondary screen moves up to the next value the second point calibration is complete and the meter is ready for the third point calibration 8 To continue with the third the fourth and the fifth point calibration repeat step 7 Press M...

Страница 15: ...e on the secondary screen moves up to the next value The second point calibration is complete and the meter is ready for the third point calibration 8 To continue with the third the fourth and the fifth point calibration repeat step 7 Press Mode to exit calibration mode when the desired calibration points are completed Note The slope mV difference between two consecutive points is 15 to 90 mV H IO...

Страница 16: ...ow sufficient time for the display to stabilize The instrument will display the ion value of the sample I Ion Selective Electrodes The table below lists the most common electrodes available Ammonia NH3 Iodide I Ammonium NH4 Lead Pb 2 Bromide Br Lithium Li Cadmium Cd 2 Nitrate NO3 Calcium Ca 2 Nitrogen Oxide NOx Carbon Dioxide CO2 Perchlorate CIO4 Chloride Cl Potassium K Copper Cu 2 Silver Sulfide ...

Страница 17: ...00 6 95 9 39 4 01 7 08 10 25 13 21 10 1 67 4 00 6 92 9 33 4 00 7 06 10 18 13 01 15 1 67 4 00 6 90 9 28 4 00 7 03 10 12 12 80 20 1 68 4 00 6 88 9 23 4 00 7 01 10 06 12 64 25 1 68 4 00 6 86 9 18 4 01 7 00 10 01 12 46 30 1 68 4 01 6 85 9 14 4 01 6 98 9 97 12 30 35 1 69 4 02 6 84 9 10 4 02 6 98 9 93 12 13 40 1 69 4 03 6 84 9 07 4 03 6 97 9 89 11 99 45 1 70 4 04 6 83 9 04 4 04 6 97 9 86 11 84 50 1 71 4...

Страница 18: ...tion procedure 2 Check if the correct buffer is used 3 Clear the previous calibration data Replace the buffer and or the pH electrode Recalibrate meter Er3 In pH calibration mode temperature is out of the 0 0 to 60 0 C range Bring the pH buffer temperature within range Er4 In ion calibration mode the slope mV difference between two consecutive points is out of the 15 to 90 mV range 1 Replace the s...

Страница 19: ... 00 9 18 12 46 pH pH Temperature compensation AUTO MAN 0 0 to 100 0 C pH Buffer Temperature range 0 to 60 0 C pH calibration Up to 5 points ORP calibration 1 point Offset 150 mV Ion calibration 2 to 5 consecutive points 0 1 1 0 10 0 100 0 or 1000 Input impedance 3 x 1012 Ω Temperature sensor Thermistor 10 kΩ at 25 C Power 6 X 1 5 V AAA Batteries or 100 to 240 VAC adapter Calibration Back up EEPROM...

Страница 20: ...model and serial number handy including data regarding the reason for return For your protection items must be carefully packed to prevent damage in shipment and insured against possible damage or loss JENCO will not be responsible for damage resulting from careless or insufficient packing A fee will be charged on all authorized returns NOTE JENCO reserves the right to make improvements in design ...

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