GLI International GLI-98144 Operating Manual Download Page 1 | Manualshive

Page: 1 / 16

background image

Manual No. 98144
Revision 0-401

MODEL GLI-98144

HAND-HELD/PORTABLE

pH/ORP METER

1
2
3
...
»

Summary of Contents for GLI-98144

Page 1: ...Manual No 98144 Revision 0 401 MODEL GLI 98144 HAND HELD PORTABLE pH ORP METER ...

Page 2: ...fy the transit carrier immediately Each meter is supplied complete with GLI 1618D 0 Combination pH Electrode with built in temperature sensor pH 4 01 buffer pH 7 01 buffer Instruction Manual AA size Alkaline Batteries four Rugged Carrying Case NOTE Save all packing material until you are sure that the instrument func tions correctly All defective items must be returned in their original packaging ...

Page 3: ...lso allow transfer of data to a computer through the RS232 port In addition the meter allows the user to enter an ID code to uniquely identify the instru ment Made of tough lightweight ABS material the water resistant rugged casing is built to last The meter is in compliance with IP67 stan dards dust tight protected against the effects of temporary immersion in water and designed to provide labora...

Page 4: ...aying atten tion to the polarity Alternatively connect the voltage adapter to the power adapter plug To prepare the instrument for use connect the pH or ORP electrode to the connector lo cated on the top of the instrument To switch the meter on press the ON OFF key The batteries charge status or LINE message if external power adapter is con nected will be displayed on the LCD for a few seconds The...

Page 5: ...lected Enter the new value using the ar row keys If there is another part of the parameter to be set e g minutes for the time press RANGE to gain access and then enter the new value using the arrow keys Press ALT and CFM to confirm the value If the entered value is not acceptable the WRONG indication will be displayed for a few seconds and then the meter will ask for a correct value If the confirm...

Page 6: ...section To take pH measurements simply submerge the bottom 4 cm 1 inches of the electrode in the solution to be tested and stir gently Allow for the reading to stabilize The tem perature is displayed in the lower LCD The pH reading is automatically temperature compensated ATC If the meter displays it means that the reading is out of range A blinking reading means that the electrode is dead By cont...

Page 7: ...ood practice to calibrate at 2 points A two point calibration can use any combina tion of the three buffer sets 4 01 6 86 7 01 9 18 10 01 Only one value from each set can be select ed For example if pH 7 01 is used as the first point it will not be possible to select pH 6 86 as the second point In the case of a two point calibration in the acidic range from 0 to 7 pH use pH buffer 7 01 or 6 86 as ...

Page 8: ...13 Dip the bottom 4 cm 1 inches of the pH electrode in a beaker containing the second buffer 14 When the CFM sym bol blinks press ALT and CFM to confirm the second calibration point 15 The LCD will display Stor The instru ment checks the electrode parameters and advises the user of abnormalities by old probe and dead probe indications in these cases repeat the calibration with fresh buffers If eve...

Page 9: ...e reading is stable Press ALT and CFM to confirm the third value 17 Calibration is now complete the instru ment returns to normal operational mode NOTE WRONG message notifies the user if the selected value is wrong TEMPERATURE CALIBRATION PROCEDURE for technical personnel only A two point calibration at 0 0 C and 50 0 C has to be performed in order to store the new calibration data in memory 1 Imm...

Page 10: ...on will be displayed if no samples are stored in memory Select the desired sample number with the arrow keys Pressing the Ç key while the last sample is displayed causes the meter to go to the first sample Press RANGE to view remaining data of the se lected sample After the date information the re maining data will be displayed in the fol lowing order Year Time pH reading means reading out of rang...

Page 11: ...if a problem is found PROBE LIFE VERIFICATION At the end of calibration the meter checks if offset is between 30 and 30 mV and the slope between 53 5 and 62 mV pH If the val ues are not within these parameters the message old probe scrolls across the LCD The electrode is still working but it will be necessary to perform a cleaning procedure see electrode cleaning and maintenance paragraph or repla...

Page 12: ...ration point second calibration point third calibration point only if a 3 point calibration has been performed The meter will then return to normal opera tional mode Press ALT and GLP to escape before viewing all the data LCD BACKLIGHT The LCD can be illuminated to allow the user to see the readings even in dark envi ronments It can be enabled disabled through the LIGHT key and it is automatically...

Page 13: ...able e g buf 3 in case of a two points mV calibra tion the character N will be received PAR to request the setup parameters setting The meter answers with a 6 character string for each parameter LTB to request the number of logged samples LOD to request the logged data The meter answers with the follow ing order status byte date ddmmyy time hhmm pH reading binary mV reading binary temperature read...

Page 14: ...SENSITIVE GLASS The resistance of glass electrodes partially depends on the temperature The lower the temperature the higher the resistance It takes longer time for the reading to stabilize if the resistance is higher In addition the re sponse time will suffer to a greater degree at temperatures below 10 C Since the resistance of the pH electrode is in the range of 200 Mohm the current across the ...

Page 15: ...inimize clogging and ensure a quick re sponse time the glass bulb and the junction should be kept moist and not allowed to dry out Replace solution in the protective cap with a few drops of pH 7 01 buffer Follow the PREPARATION procedure described previ ously before taking measurements CAUTION NEVER STORE THE ELECTRODE DRY OR IN DISTILLED WATER PERIODIC MAINTENANCE Inspect the electrode and the ca...

Page 16: ... The GLI 1618D 0 Combination Electrode is warranted for a pe riod of 6 months A warranty claim will not be honored if defects are not reported within the warranty period or if GLI International determines that defects or damages are due to normal wear misapplication lack of main tenance abuse improper installation alteration or abnormal conditions GLI Inter national s obligation under this warrant...

Reviews:

No comments

Related manuals for GLI-98144

Brand: XS Scuba Pages: 24

Brand: jenway Pages: 18

Brand: Narvitech Pages: 2

Brand: Ulvac Pages: 18

Brand: CONDTROL Pages: 8

Level Pro UltraPro 500 Series

Brand: Icon Process Controls Pages: 19

Brand: C.R. Laurence Pages: 4

Brand: Neogen Pages: 9

Brand: Kawai Pages: 72

Brand: Caen Pages: 63

Brand: Caen Pages: 35

Brand: SIGRIST Pages: 84

Alyza IQ PO4-XYZ

Brand: Xylem Pages: 172

Brand: Amrutha Technologies Pages: 22

Brand: Straightpoint Pages: 24

Brand: T&D Pages: 31

Sonic-Pro S6A Series

Brand: Blue-White industries Pages: 2

Brand: FMT Swiss AG Pages: 24

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands