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JENCO 6173, Operation Manual

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TURNING ON/OFF THE INSTRUMENT 
When  the  instrument  is  not  in  use,  press  the  ON/OFF  key  to 
turn off the instrument. Unplugging the AC adaptor from the 
instrument  or  from  the  AC  line  does  not  turn  off  the 
instrument.  It  would  automatically  switch  to  the  internal 
batteries.  The  instrument  will  continue  to  operate  on  the 
internal batteries. 
 
ABOUT LCD DISPLAY 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                     Figure2 
 

1.AUTOLOCK   ：In the autolock mode。 
2.BAT.       ：Low battery indicator。 
3.HOLD       ：Input is locked  
4.WAIT       ：Waiting to lock。 

 

4

Summary of Contents for 6173

Page 1: ...17 SAN DIEGO CA 92126 TAIPEI HSIEN TAIWAN R O C TEL 858 578 2828 TEL 886 2 2601 6191 FAX 858 578 2886 FAX 886 2 2601 7206 E Mail jencoi ix netcom com E Mail jencoe ms2 hinet net SHANGHAI JENCO ELECTRONICS LTD 18 WANGDONG ZHONG ROAD SIJING SONGJING SHANGHAI CHINA 20160 TEL 86 215 761 9599 FAX 86 215 761 9598 E Mail jenco public sta net cn WEBSITE http www jenco com cn ...

Page 2: ...eviations The mechanical touch keys are highly reliable with tactile and audio feedback This meter can operated with six 1 5V batteries Re calibration is not required when power is turned on again The meter has a large LCD that displays the pH mV and temperature simultaneously along with the user prompting mode indication annunciators The instrument prompts the user through the calibration and mea...

Page 3: ...tion BATTERIES REPLACEMENT Follow the procedures to replace the internal batteries 1 Replace batteries when the BAT indicator appears on the LCD The instrument can operate within specifications for approximately one hour after BAT starts to appear 2 The battery compartment is located at the bottom side of the meter Refer to Figure 1 Flip the meter over so that the bottom side is facing up Lift the...

Page 4: ...aptor from the instrument or from the AC line does not turn off the instrument It would automatically switch to the internal batteries The instrument will continue to operate on the internal batteries ABOUT LCD DISPLAY Figure2 1 AUTOLOCK In the autolock mode 2 BAT Low battery indicator 3 HOLD Input is locked 4 WAIT Waiting to lock 4 ...

Page 5: ...ation indicator 13 14 00 Main LCD display 14 Efficiency unit 15 25 0 Second LCD display 16 Temperature unit KEY FUNCTIONS OF THE MODEL 6173 Figure3 1 MODE key The MODE key selects the parameters to be displayed Pressing the MODE key changes the display sequentially to display pH AUTOLOCK mV AUTOLOCK pH and mV The calibration values will not be affected by changing the display modes 5 ...

Page 6: ...OCK mode b Press and hold this key for 5 seconds the large LCD will display the efficiency of the electrode 5 6 The and keys The and keys are used to manually enter the temperature values They have no effect on the instrument when operating in ATC mode 7 CLEAR key The CLEAR key is used to clear all calibration values stored in the internal memory Under normal use the key will not be activated unle...

Page 7: ...ABLE SELECT There are two sets of buffer available for this unit 4 01 7 00 10 01pH and 4 00 6 86 9 18pH You can change the buffer set by turning off the unit then press and hold the STAND key as you turn on the unit again pH CALIBRATION Turn on the instrument by pressing the ON OFF key When turn on the display maintains at the same mode before shut down 7 ...

Page 8: ... the buffer value corresponding to the temperature of buffer 7 00 6 86 as set in 1 2 When a stable reading is reached the WAIT annunciator will stop flashing and stay off The SLOPE annunciator will start to flash This means that the standardization at buffer 7 00 6 86 has been completed and the instrument is now ready to be sloped at a second buffer Allow sufficient time for the electrode and ATC ...

Page 9: ...electrode to the BNC connector of the instrument The MAN annunciator will be on Press the MODE key if necessary to go to pH AUTOLOCK mode 2 2 Rinse the pH electrode in distilled water and immerse it in buffer 7 00 6 86 Set the instrument to display the temperature of the buffer by pressing the and keys The displayed temperature must be less than 60 2 3 Press the STAND key The STAND annunciator wil...

Page 10: ...sponding to the temperature of the second buffer as set in 2 3 When a stable reading is reached the WAIT annunciator will stop flashing and stay off The instrument will calculate and compensate for the pH electrode slope deviation corresponding to the values of the two calibration buffers The instrument is now dual point calibrated and ready for measurements 3 Calibration with ATC Temp probe in pH...

Page 11: ...the second buffer 3 5 Allow sufficient time for the pH electrode and ATC Temp probe to stabilize Press the SLOPE key The SLOPE annunciator will stop flashing and stay on The instrument will display the second buffer value corresponding to the temperature of the second buffer as measured in 3 4 If the reading still drifts repeat 3 5 until a stable reading is obtained The instrument will calculate a...

Page 12: ...isplay the buffer value corresponding to the temperature of the buffer 7 00 6 86 set in 4 2 If the reading still drifts repeat 4 3 until a stable reading is obtained 4 4 Remove the pH electrode from buffer 7 00 6 86 rinse with distilled water and immerse it in buffer 4 00 4 01 or 9 18 10 01 Set the instrument to the temperature of the 2nd buffer as in 4 2 The displayed temperature must be less tha...

Page 13: ...ment The ATC annunciator will be on 1 2 Press the MODE key until the LCD indicates pH mode and the AUTO annunciator is on 1 3 Rinse the pH electrode and the ATC Temp probe with distilled water and immerse them in the sample to be measured 1 4 Press the MEA EFF key The WAIT annunciator will start flashing This means the instrument is waiting for a stable reading The display will track the pH value ...

Page 14: ...e display to stabilize The instrument will display the pH value of the sample at the displayed sample temperature 3 Measurement with manual temperature compensation in the pH AUTOLOCK mode 3 1 Connect the pH electrode to the connector of the instrument The MAN annunciator will be on 3 2 Press the MODE key for the LCD to indicate pH and for the AUTO annunciator to be on 3 3 Rinse the pH electrode w...

Page 15: ...t 4 2 Press the MODE key for the LCD to display pH and for the AUTO annunciator to be off 4 3 Rinse the pH electrode with distilled water and immerse it in the sample to be measured 4 4 Allow sufficient time for the display to stabilize The instrument will display the pH value of the sample at the set sample temperature TEMPEARTURE MEASUREMENTS The model 6173 can be used to measure temperature ind...

Page 16: ... This means the instrument is waiting for a stable reading The display will track the mV value as sensed by the electrode When the display changes less than 1 mV within 10 seconds the AUTOLOCK function will be activated The WAIT annunciator will stop flashing and stay off The reading is then locked and will not respond to further changes from the electrode The lock display is the mV value of the s...

Page 17: ...ficient time for the display to stabilize The instrument will display the mV value of the sample If OvEr Undr is displayed the mV value measured is out of the 2000 2000 mV range The instrument will display the correct value once the input mV is brought within range It is not necessary to press the CLEAR 2 5 The ATC Temp probe can be used to measure the sample temperature as required pH BUFFERS The...

Page 18: ...55 4 07 6 83 8 99 4 08 6 97 9 80 60 4 09 6 84 8 97 4 10 6 98 9 78 Note The actual reading of the instrument can differ from the values shown by 0 01 pH SPECIFICATIONS Display Range Accuracy Resolution pH 6 00 to 20 00 pH 0 01pH 1digit 0 01 pH mV 2000 to 2000 mV 0 05 FS 1digit 1mV Temperature 10 0 to 120 0 5 0 1 pH Temp compensation AUTO MANual 10 0 to 120 0 pH Buffer recognition 4 01 7 00 10 01 or...

Page 19: ... Jenco Instruments Inc warranties the model 6173 for a period of one year from date of purchase against all defects in material and workmanship This warranty does not apply to the abuse and misuse of the instrument If repair or adjustment is required please return the defective instrument freight prepaid Instrument within warranty period will be repaired at no charge Please make sure that the inst...

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