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4.1.2 Operating Modes 

The photometer has two distinct operating modes - 
the 

PHOTOMETER 

mode and the 

SYSTEM

 mode. 

The 

PHOTOMETER

 mode is the normal operating 

mode for taking photometer readings. This mode is 
engaged automatically when the instrument is 
turned on by pressing the      key.  

In order to conserve battery life the photometer will 
switch off automatically after use. The switch off 
period is five minutes in normal use, but may be 
adjusted in 

System

 mode. 

The 

SYSTEM

 mode is used to set the system 

options. This mode is engaged when the 
photometer is turned on using the     key and then 
selecting 'System' using the 

 and 

 keys and 

pressing [

OK

].   

Scroll through the menu box to view all the options 
available. 

 

 

 

 

Summary of Contents for Green Drop Kit

Page 1: ...Green Drop Instrument Instructions ...

Page 2: ... GENERAL INFORMATION 2 KIT CONTENTS 3 TEST PROCEDURES 4 INSTRUMENT OPERATION 4 1 PALINTEST 7500 PHOTOMETER 4 2 PALINTEST 800 MULTIPARAMETER METER 4 3 PALINTEST MICRO 600 DISSOLVED OXYGEN METER 5 REORDERING CODES ...

Page 3: ... throughout the world Our products are packaged carefully and the product should reach you in the state it left our factory if this product has reached you in a state that is less than satisfactory please contact the transportation company This booklet describes the best way to use Palintest products and provides instructions for the range of water tests that can be performed using this instrument...

Page 4: ...tainer 10ml plastic syringe Test tube brush Crush Rods Zero Oxygen Calibration Solution pH buffers for Calibration 1413uS cm Conductivity Calibration Solution 100 Nitricol tablets for Nitrate Nitrite testing 50 Phosphate LR 1 tablets 50 Phosphate LR 2 tablets 50 Ammonia 1 tablets 50 Ammonia 2 tablets Instrument Instructions Palintest photometer methods ...

Page 5: ...le to which reagents have been added in accordance with the test procedure described The blank setting is held in memory It is not necessary to reset the blank each time a reading is taken if the water samples are similar and the conditions of use are the same The blank setting can be confirmed if necessary by taking a test reading on the blank tube For detailed instructions on individual test met...

Page 6: ...ontact sales palintest com 4 1 1 General Photometer Operation The photometer is controlled by a simple intuitive menu system The highlight indicates the active line or section of the screen The and keys move the highlight through the menu choices The and keys allow selection of options The flashing cursor in the Options menu at the bottom of the screen indicates the action which will occur if the ...

Page 7: ...s turned on by pressing the key In order to conserve battery life the photometer will switch off automatically after use The switch off period is five minutes in normal use but may be adjusted in System mode The SYSTEM mode is used to set the system options This mode is engaged when the photometer is turned on using the key and then selecting System using the and keys and pressing OK Scroll throug...

Page 8: ...methods instructions For some tests a choice of different programs is offered in order to give the option of the result in different forms eg for Nitrate NO3 or Nitrate Nitrogen NO3 N In certain methods the test can be continued to a further stage for example in the tests free chlorine and total chlorine This is allowed for in the programming of the photometer In these tests once the first stage r...

Page 9: ...tometer will multiply the observed result by this factor so that the correct result for the original sample is displayed This option may be used in conjunction with the Palintest Dilution Tube which enables dilutions of x2 x3 x4 x5 and x10 to be made or with Palintest syringes which enable higher dilutions factors Higher dilution factors may be entered subject to the limitation of the number of di...

Page 10: ...ully after use Dirty tubes may be soaked in weak detergent solution if necessary Tubes which become stained or scratched in use should be replaced Success in obtaining accurate and consistent test results will depend on the care with which test procedures are carried out Always follow the test instructions carefully and observe the stated standing periods and temperature conditions where applicabl...

Page 11: ...r will flash on the OK symbol of the options menu at the bottom of the screen Press OK to accept this program 2 To choose a different test program either use the and keys to scroll through the menu options or use the numeric keys to enter the Phot number of the desired test The four most recently used tests are listed at the top of the Choose a Test screen for convenience Press OK to accept the se...

Page 12: ...digits then press OK 4 If the dilution factor option is pre selected see system menu for options then the following display will appear Press OK to accept the default value x1 no dilution or key in new dilution factor then press OK 5 The following display will now appear 1024 Sample Number OK x 1 Dilution Factor OK Chlorine Free 5 Phot 007 Insert Blank Choose a Test OK ...

Page 13: ...ce SAMPLE TUBE in the test chamber then press OK 7 The instrument will take the reading and display the result as follows for example The following symbols indicate the result is out of test range Result is higher than range Result is lower than range Chlorine Free 5 Phot 007 Insert Sample Blank Choose a Test Time OK Chlorine Free 5 Phot 007 1 0 0 mg l Cl 2 ...

Page 14: ... Continuation Tests Certain Tests Only 1 Select Follow On and press OK during the result display period of the foregoing test stage The photometer applies the previously entered sample number and dilution factor and the Insert Sample screen will appear Place SAMPLE tube in the test chamber then press OK 2 The instrument will take the reading and calculate the result from the combination of Chlorin...

Page 15: ...edures involve a standing period The photometer may switch off automatically during this time To avoid the instrument switching off set for continuous operation or use the timer function to time any standing period The timer will over ride the auto switch off function Favourite Tests List The four most recently used tests are listed at the top of the Choose a Test screen for convenience Expressing...

Page 16: ...d to prevent contamination of the instrument Spillages or moisture should be wiped off immediately with a dry cloth On no account should solvents or abrasive materials be used to clean the instrument Care should be taken to keep the test chamber clean You can check the performance of your instrument with the check standards provided in this kit Each standard is characterised in T at particular wav...

Page 17: ...and the certificate For example Standard B is characterised at 450 and 500nm Therefore when measuring the standard using the photometer ensure the result on screen relevant compared to the certificate value In the image below the T value on screen would be compared to the T value on the certificate standard D at 600nm ...

Page 18: ...tted with long life light sources and contains no user serviceable components If the instrument requires servicing or repair this can be arranged through our Technical Services Department 4 1 9 Replacing the Batteries The battery compartment in the base of the instrument is secured by four screws To replace the batteries remove the cover and install the batteries observing the correct polarity as ...

Page 19: ...age or damage caused by unauthorised repair or misuse The guarantee specifically excludes damage caused by water or by ingress of chemical solutions Should repair be necessary contact our Technical Services Department quoting the serial number shown on the back of the instrument This guarantee does not affect your statutory rights ...

Page 20: ...t of instructions is a quick guide to using your multiparameter meter capable of measuring pH conductivity TDS and temperature For more details on the full range of functions that are available on this instrument please contact sales palintest com ...

Page 21: ...cro siemens indicator 15 Low battery indicator 2 MEASurement mode indicator 9 parts per thousand indicator 16 Probe indicator 3 CALibration indicator 10 parts per million indicator 17 Calibration solution Indicator 4 mV indicator 11 Temperature indicator 18 Cell constant indicator 5 indicator 12 pH indicator 19 ON OFF indicator 6 pH measurement indicator 13 Automatic Temperature Compensation indic...

Page 22: ...e CAL ME AS Toggles between Calibration and Measurement mode 1 If you are in pH measurement mode press CAL MEAS to enter pH calibration mode 2 If you are in conductivity measurement mode press CAL MEAS to enter conductivity calibration mode 3 If you are in TDS measurement mode press CAL MEAS to enter TDS measurement calibration mode While in SETUP sub menu pressing CAL MEAS once takes you out to t...

Page 23: ... offset data adjust for temperature coefficient and normalization temperature Inserting the Batteries Four AAA batteries are included with your meter Use a Philips screwdriver to remove the two screws holding the battery cover at the back of the instrument Remove battery cover to expose batteries Insert batteries Follow the diagram inside the cover for correct polarity Replace the battery cover in...

Page 24: ...ector dry and clean Do not touch connector with soiled hands To connect the pH electrode 1 Slide the BNC connector of the probe over the BNC connector socket on the meter Make sure the slots of the connector are in line with the posts of the socket Rotate and push the connector clockwise until it locks 2 To remove electrode push and rotate the connector anti clockwise While holding onto the metal ...

Page 25: ...and screw the metal sleeve to lock the probe connector into place See Figure 4 2 To remove probe unscrew the metal sleeve and slide up the probe connector While holding onto metal sleeve pull probe away from the meter Note Follow the same directions to connect an optional separate temperature element Caution Do not pull on the probe cord or the probe wires might disconnect ...

Page 26: ...ation The meter automatically recognises and calibrates to these standard buffer values which makes pH calibration faster and easier Be sure to remove the protective electrode storage bottle before calibration or measurement Wash your electrode in deionised water before and after calibration use and store in the protective electrode storage solution Do not reuse buffer solutions after calibration ...

Page 27: ...3 Dip the probe into the calibration buffer The end of the probe must be completely immersed into the sample Stir the probe gently to create a homogeneous sample NOTE The temperature element is in the conductivity cell For temperature compensated readings dip the conductivity cell into the calibration buffer as well 4 Press CAL MEAS to enter pH calibration mode The CAL indicator will be shown The ...

Page 28: ...rming multi point calibration go to Step 7 If you are performing one point calibration go to Step 9 7 Rinse the electrode with deionised water or in rinse solution and place it in the next pH buffer 8 Follow Steps 5 to 8 for additional calibration points 9 When calibration is complete press CAL MEAS to return to pH measurement mode NOTES To exit from pH calibration mode without confirming calibrat...

Page 29: ...RR annunciator appears in the lower left corner of the display 4 2 3 To Calibrate conductivity Ensure you wash the probe in deionised water and store it dry and calibrate the conductivity probe at least once a month If you take measurements at extreme temperatures calibrate the meter at least once a week Calibrating for Conductivity 1 If necessary press the MODE key to select conductivity mode ...

Page 30: ...he probe gently to create a homogeneous sample 4 Wait for the measured conductivity value to stabilize 5 Press CAL MEAS to enter conductivity The CAL indicator will appear in the upper right corner of the display 6 Press the or keys to change the value on the primary display to match the value of the calibration standard 7 Press ENTER to confirm calibration value The meter returns to the MEAS meas...

Page 31: ...nfirming calibration DO NOT press the ENTER key in Step 7 Press CAL MEAS instead This will retain the meter s old calibration data in the measuring range of the calibration Ensure conductivity probes are fully submerged when taking measurements or calibrating ...

Page 32: ...matically 25 C You can manually set the temperature to match your working conditions using a separate thermometer Be sure to remove the electrode soaker bottle on the electrode before measurement To rake readings 1 Rinse the pH electrode with deionised water before use to remove any impurities adhering to the probe body If the pH electrode has dehydrated soak it for 30 minutes in Palintest electro...

Page 33: ...mpletely immersed into the sample Stir the probe gently in the sample to create a homogeneous sample 5 Allow time for the reading to stabilise Note the reading on the display 4 2 5 Taking Conductivity or TDS measurements 1 Rinse the probe with deionised water before use to remove any impurities adhering to the probe body Shake or air dry To avoid contamination or dilution of your sample rinse prob...

Page 34: ... Solution Press ON key but no display a Batteries not in place b Batteries not in correct polarity and position c Weak batteries a Check that batteries are in place and making good contact b Re insert batteries with correct polarity c Replace batteries Not responding to key press a HOLD mode in operation b Damaged key pad c Internal program error a Cancel HOLD mode by pressing Hold key b Return to...

Page 35: ... is out of range a Heat or cool solution Slow response a Dirty Oily probe a Clean probe See Probe Care Maintenance page 50 52 LCD Display Indicates Cause Solution Err annunciator Unrecognized input from keypad Wrong input in selected mode Release key Select valid operations depending on mode CAL Err annunciators on Buffer and electrode indicators blink Calibration error Wrong value input at calibr...

Page 36: ...xcluding accidental damage or damage caused by unauthorised repair or misuse The guarantee specifically excludes damage caused by water or by ingress of chemical solutions Should repair be necessary contact our Technical Services Department quoting the serial number shown on the back of the instrument This guarantee does not affect your statutory rights ...

Page 37: ...meter For more details on the full range of functions that are available on this instrument please contact sales palintest com 4 3 1 General Information The meters have six keys on its splash proof keypad ON OFF HOLD ENTER CAL MODE and keys Some buttons have several functions depending on its mode of operation ...

Page 38: ...D Freezes reading Press HOLD to freeze press hold again to release ENTER To confirm values in calibration mode and selections in SETUP mode In Calibration Mode Press to scroll through calibration values In Setup Mode Press to scroll through the setup sub group programs MODE Selects measurement mode for DO DO and Temperature When pressed together with ON OFF key it will take you into the SETUP mode...

Page 39: ... push in the direction of arrow and lift up the cover Note the polarity of battery before inserting into position After replacement place cover back and press down until it locks tight Battery Replacement An indicator in the LCD alerts you when battery power is low Caution Power off the meter when changing battery ...

Page 40: ...ocking ring clockwise until it locks b Removing electrode Rotate the connector counterclockwise and slide the connector off the socket c Insert the mini phono jack of temperature sensor into the meter as shown CAUTION Do not pull on the electrode cord to avoid internal wire breakages Immerse probe beyond this point ...

Page 41: ...r one point calibration it is recommended to perform a 100 Saturation calibration in saturated air For a two point calibration you can calibrate for 100 Saturation in saturated air and 0 Saturation using a zero oxygen solution PT 125 3 The meter will take several minutes to reach 0 Saturation value after submersion into the solution For more accuracy it is recommended to enter barometric pressure ...

Page 42: ...n the air with the sensor downwards Let the reading stabilise 4 Press CAL The CAL indicator blinks 5 Press HOLD ENTER to confirm CO will be displayed Calibrate 0 Saturation 1 Rinse the probe with DI water or rinse solution and let it dry Do not touch the membrane 2 Press MODE to select Saturation mode 3 Dip the probe into the zero oxygen solution Let the reading stabilise 4 Press CAL The CAL indic...

Page 43: ... and MODE simultaneously holding both keys for 2 seconds 2 Then release the ON key before releasing the MODE key StUP indicator will appear followed by COF 1 3 Press HOLD ENTER until you view b DO 4 Press or to select the desired mode of measurement 5 Press HOLD ENTER to confirm 6 Press CAL to return to measurement mode ...

Page 44: ...ir the solution gently to homogenise the sample 4 Take the measurements once the meter reading has stabilised Note The probe membrane surface must not touch anything Note Stir the solution to prevent air bubbles from being trapped on the membrane IMPORTANT The DO probe consumes oxygen from the sample the sample must constantly flow past the membrane to achieve accurate readings ...

Page 45: ...for very accurate readings it is recommended to reset this value every time you take a measurement Setting pressure is described overleaf Note The average barometric pressure at 0 meters sea level is 760 mmHG at 1829 meters it is 609 mmHG The salinity of the sample influences the readings Set the salinity value as close as possible to the value of the sample The salinity can be measured with a sal...

Page 46: ... you view DPr 7 3 Press HOLD ENTER display will show either A HG for mm Hg or A PA for kilo Pascal 4 Press or to select 5 Press HOLD ENTER to confirm 6 Press or to set the pressure value 7 Press HOLD ENTER to confirm CO will be displayed 8 Press CAL to return to measurement mode ...

Page 47: ...steps 1 to 2 from Section 4 3 3 3 Press HOLD ENTER until you view b SAL 4 Press HOLD ENTER 5 Press or to set the salinity value in ppt 6 Press HOLD ENTER to confirm CO will be displayed 7 Press CAL to return to measurement mode Factory default is 0 0 Salinity values up to 50 ppt can be entered ...

Page 48: ... this variation The probe comes with an in built Temperature Compensation for the membrane variation Any deposits on the membrane surface act as a barrier to oxygen diffusing through the membrane the membrane must be cleaned at regular intervals to assure maximum reliability After using the probe rinse the probe with deionised water and wipe it with a soft cloth or paper to avoid any hardening of ...

Page 49: ...ke the refill solution and assemble the needle tip on the tip of the plastic bottle 4 Hold the probe upside down 5 Insert the needle into one of the four holes surrounding the silver cathode 6 Inject the fill solution into the probe until solution leaks out of the fill hole 5 mL 7 Replace the cap by tightening clockwise until hand tightened 8 Allow at least 1 hour for the electrode to equilibrate ...

Page 50: ...king good contact b Re insert batteries with correct polarity c Replace batteries Unstable Readings a Insufficien t electrolyte in probe b Air bubbles around probe c Dirty or damaged probe d Probe not deep enough in sample a Fill probe with electrolyte and replace pre membraned cap b Stir or tap probe to remove bubbles c Clean the probe and re calibrate d Make sure sample entirely covers the probe...

Page 51: ...f Replace probe Slow Response a Dirty oily electrode b Temperat ure is changing a Clean electrode b Allow time for temperature to stabilise Meter is Not Responding to Keys a HOLD mode in operation b Damaged key pad c Internal program error a Cancel HOLD mode b Return to dealer c Reset all internal programs by reinserting batteries ...

Page 52: ...ration range 10 1 to 49 9 Check the value of the calibration solution If zero calibration is done make sure the limit of 10 is not exceeded If message persist recondition your probe Err 1 in mg L ppm Concentratio n Mode Concentratio n Calibration error Calibration is performed when the calibration solution factory absolute measureme Check the calibrating solution to be above 2 mg L or ppm ...

Page 53: ...obe error Under Range Over Range ATC probe is removed or broken while the meter has the ATC feature activated Check the probe s temperatur e input phono jack connection to the meter Ensure probe is not broken or punctured with blinking A annunciator in Saturation ATC probe error ATC probe is removed or broken while the meter has Check the probe s temperatur e input phono jack ...

Page 54: ...and Concentratio n Mode the ATC feature activated connection to the meter Ensure probe is not broken or punctured Battery icon lights up Low battery Battery power is low Replace batteries ...

Page 55: ...agents 250 pack AP 109 Nitrite Reagents 250 pack AP 177 Phosphate Reagents 250 pack AP 152 Ammonia Reagents 250 pack PT 804 7500 Check Standards Other reagents available on request PT 125 3 Zero Oxygen Solution PT 105 3 pH 7 Calibration Solution PT 105 1 pH 4 Calibration Solution PT 105 2 pH 10 Calibration Solution PT 142 3 1413 S cm Conductivity Calibration Solution PT 142 4 74 S cm Conductivity ...

Page 56: ...50 Deionised Water Solution PT 148 3 Replacement DO probe PT 148 2 DO membrane maintenance set PT 146 1 Replacement Conductivity TDS probe PT 146 2 Replacement pH probe PT 105 4 Electrode Care pack For any other accessories please contact sales palintest com V1 08 14 ZI INST 8100 ...

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