JENCO VisionPlus pH618N Operation Manual Download Page 11

SPECIFICATIONS  

 

 

pH

 

Range

 

Resolution

Accuracy

0.00 to 14.00 pH

0.01 pH

±0.02 pH ± 1 LSD

 

Temperature

 

Range

 

Resolution

Accuracy

0.0 to 99.9 °C 

32.0 to 211.8 °F

0.1 °C 

0.2 °F

±0.3 °C 

±0.6 °F

 

pH

 

pH buffer recognition 

pH 7.00, 4.01, 10.01 or 

pH 6.86, 4.00, 9.18 

 

pH Temperature compensation

 

 
 

pH Buffer Temperature range

 

 

pH Electrode Offset recognition

 

AUTO 0.0(3

2.0℉)

 to 99.9 

°C(211.8

℉)

 

 
0.0 (3

2.0℉)

to 60.0°C(140

.0

℉)

 

 

±90 mV at pH 7.00 

+98.3 mV / -81.7 mV at pH 6.86 

 

pH Electrode Slope recognition

 

±30% at pH 4.00, 4.01, 9.18 and 10.01 

Input impedance 

>10

12

Ω

 

 

Temperature

 

Temperature sensor 

Thermistor, 10 k

Ω

at 25°C 

Temperature unit 

Default in factory 

 

General

 

Power 

Meter :    LR44 x 4 

Calendar :    CR2032 

Battery life 

Meter:   200 Hours 

Calendar: 5 years 

Ambient temperature range 

0.0 to 50.0 °C   

Display 

98x64 graphic LCD 

Case 

IP67 water-tight case 

Weight 

107 g 

 

WARRANTY  

 

 

Jenco Instruments, Ltd. warrants this product to be free from 
significant deviations in material and workmanship for a period 
of

 

1 year for the meter and 6 months for the electrode from date 

of purchase. If repair or adjustment is necessary and has 

 

10 

Summary of Contents for VisionPlus pH618N

Page 1: ...Operation Manual MODEL pH 618N Microcomputer Based pH Temperature Pocket Meter pH618N...

Page 2: ...ption 3 B VisionPlus Graphical Display 3 OPERATION MODES AND KEYPAD OPERATIONS 4 A Operation Modes 4 B Keypad Operations 4 USING VISIONPLUS pH 618N 5 A Power ON OFF 5 B Set Date and Time 5 C Select Bu...

Page 3: ...nstrument can operate within specifications for approximately2 3 hours after low battery indicator appears 1 Shown in the right figure 2 Take off the battery cover 3 Remove all of the old batteries an...

Page 4: ...r 5 Electrode ATC assembly Electrode cap is not shown B VisionPlus Graphical Display 1 DATE MM DD YY 2 HOLD mode indicator 3 MEASURE mode indicator 4 CALIBRATION buffer s 5 TIME HH MM 24H format 6 pH...

Page 5: ...et Mode is used to change date and time 6 Buffer Select Mode Buffer Select Mode is used to select the buffer set which can either be 7 00 7 00 4 01 10 01 or 6 86 6 86 4 00 9 18 B Keypad Operations Key...

Page 6: ...d Scrolls through stored data Date and Time Set 0 second Decreases current number SCROLL Buffer Select 0 second Selects new buffer set USING VISIONPLUS pH 618N A Power ON OFF Press HOLD key for 2 seco...

Page 7: ...H meter will perform end point sensing to determine when the calibration reading is stable Meter is calibrated when WAIT icon disappears and the unit will automatically enter the next point calibratio...

Page 8: ...E and M XX icons will appear indicating the reading has been saved and stored in memory location XX The unit will automatically returns to Measure Mode and ready to perform other task Note The Model p...

Page 9: ...trode ATC assembly as shown in the right figure 2 Remove the old electrode from the electrode collar 3 Insert a new electrode make sure the electrode fit back into the meter correctly 4 Screw back the...

Page 10: ...0 00 to14 00pH range Over Range or Recalibrate OVER 0 0 60 0 C pH CAL a pH STAND b pH SLOPE a Offset 7 00pH mV 90mV Offset 6 86pH mV 98 3mV b New slope ideal slope by 30 Use a new buffer solution Repl...

Page 11: ...Electrode Slope recognition 30 at pH 4 00 4 01 9 18 and 10 01 Input impedance 1012 Temperature Temperature sensor Thermistor 10 k at 25 C Temperature unit Default in factory General Power Meter LR44...

Page 12: ...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 pa...

Page 13: ...618N TC CHEN 2008 7 20 K618N 01 2009 4 3 02 2009 4 3 01 618 MANUAL 618 09 01 14 P2 09 4 3 P2 5 P8 P10 P11 BAT 09 4 15 3M KCL FOR 2 HOURS...

Reviews: