Drawell DW-PH6175 Скачать руководство пользователя страница 2

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CONTENTS

GENERAL INTRODUCTION…………………..............2

INITIAL INSPECTION……...………………..................2

POWER INPUT…….……...………………....................2

INSTALLING THE BATTERIES..…………..................3

DISPLAY & KEYS FUNCTIONS…..……………..…...…..3

A. Display

....................................................................3

B. Keys

.........................................................................4

OPERATIONAL PROCEDURES..……........................5

A. Buffer Set Selection

...................................................5

B. pH Calibration

...........................................................6

a. Calibration with an ATC/Temp probe in the pH-AUTOLOCK

Mode

......................................................................6

b. Calibration with manual temperature compensation in the

pH AUTOLOCK mode

..................................................7

c. Calibration with an ATC/Temp probe in the pH NON-

AUTOLOCK mode

......................................................8

d. Calibration with manual temperature compensation in the

pH NON-AUTOLOCK mode

.......................................... 9

C. pH Measurements

......................................................9

a. Measurement with an ATC/Temp probe in the pH-AUTOLOCK

Mode

......................................................................9

b. Measurement with manual temperature compensation in the

pH AUTOLOCK mode

..................................................10

c. Measurement with an ATC/Temp probe in the pH NON-

AUTOLOCK mode

......................................................10

d. Measurement with manual temperature compensation in the

pH NON-AUTOLOCK mode.

..........................................10

D. Temperature Measurements

.......................................11

E. mV Measurements

.....................................................11

Measurement in the mV-AUTOLOCK mode

....................11

Measurement in the mV NON-AUTOLOCK mode

.............11

pH BUFFERS..…………………………….....................12

ERROR DISPLAYS AND TROUBLESHOOTING.......13

SPECIFICATIONS………………..……........................14

WARRANTY…………………………….........................15

Содержание DW-PH6175

Страница 1: ...ure Benchtop Meter Drawell International Technology Limited Shanghai Drawell Scientific Instrument Co Ltd Add Suite 1506 Lane581 XiuChuan Rd PuDong New Area Shanghai China Tel 0086 21 50966080 Fax 0086 21 50966080 Web www drawell com cn Email sales01 drawell com cn ...

Страница 2: ...de 8 d Calibration with manual temperature compensation in the pH NON AUTOLOCK mode 9 C pH Measurements 9 a Measurement with an ATC Temp probe in the pH AUTOLOCK Mode 9 b Measurement with manual temperature compensation in the pH AUTOLOCK mode 10 c Measurement with an ATC Temp probe in the pH NON AUTOLOCK mode 10 d Measurement with manual temperature compensation in the pH NON AUTOLOCK mode 10 D T...

Страница 3: ... for both pH and mV 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 and mV values resulting in precise repeatable and error free measurements The pH6175 can also be used in non AUTOLOCK mode The model pH6175 6175 3C is available with pH ORP...

Страница 4: ...ately INSTALLING THE BATTERIES To insert the batteries into the meter follow the procedure outlined below 1 Use two hands to flip the two buckles and battery cover to expose the battery compartment Figure 1 2 Note the polarity and insert the six AAA batteries into the battery compartment correctly 3 Replace the battery cover 4 Figure 1 Battery compartment DISPLAY KEYS FUNCTIONS A Display 1 2 3 4 5...

Страница 5: ...efficiency value is less over than 75 5 ATC MAN ATC indicator will be displayed if a temperature probe is connected otherwise the MAN indicator will be displayed 11 MAIN DISPLAY For pH mV and probe efficiency values 6 CAL This will be displayed when the unit enters into the calibration mode 12 SECONDARY DISPLAY For temperature in display B Keys Stand M ode Clear On Off Press and hold this key for ...

Страница 6: ... the unit when operating in ATC mode M ea Eff Stand Slope M ode Clear M ea Eff Stand Slope M ode Clear Stand Slope The Stand and Slope keys are used for pH calibration of the unit Pressing and holding the Stand key while turning on the power will change the buffer set M ea Eff Stand Slope M ode Clear Mea Eff The key is used to bring the unit out of the AUTO condition when operating in the pH AUTOL...

Страница 7: ...The WAIT icon will flash until the unit detects a stable reading Once the unit calibrates the first point the selected buffer remains lit up while the remaining two buffers start to flash The unit is ready to be sloped at the second buffer Note If the first buffer solution is 7 00 or 6 86 at this moment press the Mode key The unit will exit the calibration mode Single point calibration is complete...

Страница 8: ... pH electrode to the BNC connector of the unit MAN icon will lit up pH icon and AUTO icon will lit up One of the buffer in the pre selected buffer set will start to flash 3 Rinse the pH probes in distilled water and immerse it in the first buffer solution Adjust the temperature reading to that of the first buffer using the up or down keys 0 0 to 60 0 Then press and hold Stand key for 5 seconds to ...

Страница 9: ...ete If the first buffer solution is 4 00 4 01 9 18 or 10 00 at this moment the unit will automatically exit the calibration mode Single point calibration is complete The 6175 3C has not this single point calibration 4 Rinse the pH and ATC Temp probe in distilled water and immerse them in the second buffer solution either 4 00 4 01 or 9 18 10 01 Allow temperature reading to stabilize then press Slo...

Страница 10: ...ining two buffers start to flash The unit is ready to be sloped at the second buffer Note If the first buffer solution is 7 00 or 6 86 at this moment Press the Mode key the unit will exit the calibration mode Single point calibration is complete If the first buffer solution is 4 00 4 01 9 18 or 10 00 at this moment the unit will immediately exit the calibration mode Single point calibration is com...

Страница 11: ...AUTOLOCK mode for measurements b Measurement with manual temperature compensation in the pH AUTOLOCK mode 1 Connect the pH electrode to the BNC connector of the unit The MAN icon will lit up Set unit to display the sample temperature by pressing the up and down keys 0 0 to 100 0 2 Repeat steps 2 5 of Measurement with an ATC Temp probe in the pH AUTOLOCK mode c Measurement with an ATC Temp probe in...

Страница 12: ... AUTO icon lit up 3 Rinse electrode with distilled water and immerse it in sample to be measured 4 Press the Mea key The WAIT icon will start flashing The unit is waiting for a stable reading The display will track the mV value as sensed by the ORP electrode 5 When the WAIT icon disappears the reading is then LOCK and will not respond to further changes from the sample The mV value is the sample r...

Страница 13: ... 9 18 4 01 7 00 10 01 0 4 01 6 98 9 46 4 01 7 11 10 32 5 4 00 6 95 9 39 4 01 7 08 10 25 10 4 00 6 92 9 33 4 00 7 06 10 18 15 4 00 6 90 9 28 4 00 7 03 10 12 20 4 00 6 88 9 23 4 00 7 01 10 06 25 4 00 6 86 9 18 4 01 7 00 10 01 30 4 01 6 85 9 14 4 01 6 98 9 97 35 4 02 6 84 9 10 4 02 6 98 9 93 40 4 03 6 84 9 07 4 03 6 97 9 89 45 4 04 6 83 9 04 4 04 6 97 9 86 50 4 06 6 83 9 02 4 06 6 97 9 83 55 4 07 6 8...

Страница 14: ...the buffer value 2 Buffer 4 00 4 01 9 18 and 10 01 is not correct 3 pH electrode slope is off by more than 30 of ideal slope 1 Allow sufficient time for the electrode and ATC Temp probe to stabilize re press Slope key to continue the calibration procedure 2 Check if the correct buffer is used 3 Replace the buffer and or the pH electrode Press Clear key to recalibrate meter Er3 1 Temperature is out...

Страница 15: ... 0 0 C to 100 0 C pH Buffer Temperature range 0 C to 60 0 C pH Electrode Offset recognition 100 mV at pH 7 00 or 108 3 91 7mV at pH6 86 6175 60 mV at pH 7 00 or 68 3 51 7mV at pH6 86 6175 3C pH Electrode Slope recognition 30 at pH 4 00 4 01 9 18 and 10 01 Input impedance 1012 Ω Temperature sensor Thermistor 10 kΩ at 25 C Power Six AAA Batteries Calibration Back up EEPROM Audio Feedback All Touch K...

Страница 16: ...he product problem is due to deviations or customer misuse Out of warranty products will be repaired on a charge basis RETURN OF ITEMS Authorization must be obtained from one of our representatives before returning items for any reason When applying for authorization have the model and serial number handy including data regarding the reason for return For your protection items must be carefully pa...

Страница 17: ... Technology Limited Shanghai Drawell Scientific Instrument Co Ltd Add Suite 1506 Lane581 XiuChuan Rd PuDong New Area Shanghai China Tel 0086 21 50966080 Fax 0086 21 50966080 Web www drawell com cn Email sales01 drawell com cn ...

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