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Micro 800 Optical DO Instruction Manual

Rev 1

www.palintest.com

Page 36 of 41

Troubleshooting Continued …

Problem

Cause / Remedy

Dissolved Oxygen
readings are inaccurate
or unstable.

The DO sensor may need calibrating. Recalibrate.

The DO sensor cap may be fouled. Clean the DO Cap.

The DO Cap may be damaged. Inspect and replace if

necessary.

Calibration may have been carried out at an extreme

temperature. Recalibrate at a temperature as close to the
sample temperature as possible.

EC readings are
inaccurate or unstable.
Error 09 shows during
calibration of EC.

Have you got the Probe Sleeve fitted? EC will not work without

the Probe Sleeve fitted. The only exception to this rule is if the
Probe is being used with a Flowcell.

The Probe may not be inserted deep enough into the sample

being measured. Ensure the sample level reaches the top set
of holes on the Probe sleeve.

Trapped air bubbles may be causing problems. Tap and swish

the Probe to dislodge them.

The Probe Sleeve may be loose. The Probe Sleeve must be

absolutely rigid with respect to the Probe Body for correct EC
operation.

The EC electrode may need recalibrating. Recalibrate.

The EC electrode may be dirty. Clean the EC electrode then

recalibrate.

17.

DECLARATION OF CONFORMITY

Palintest Ltd declares that the equipment described herein is in compliance with the
essential requirements and other relevant provisions of Directives

2004/108/EC and

1999/5/EC.

Содержание Micro 800

Страница 1: ...Micro 800 Optical Dissolved Oxygen Meter Instruction Manual ...

Страница 2: ...LING Any product bearing this symbol must be handed over to an applicable collection point for the recycling of electrical and electronic equipment By ensuring this product is disposed of properly you will prevent possible adverse consequences for the environment which could be caused by inappropriate waste handling Note For return for recycling please contact Palintest Ltd for instructions on how...

Страница 3: ...EASUREMENTS 9 6 1 WHAT DOES IT ALL MEAN 9 6 2 TREND INDICATION 10 6 3 TEMPERATURE COMPENSATION 10 7 GPS RECEPTION 11 8 MEMORY MODE 12 8 1 MANUALLY SAVING READINGS 12 8 2 RECALLING AND VIEWING SAVED READINGS 12 8 3 RECALLING GLP DATA 12 8 4 CLEARING THE MEMORY 13 8 5 AUTOMATIC DATA LOGGING 13 8 6 IMPORTANT INFORMATION ABOUT MEMORY MODE 14 9 SETTING UNITS OF MEASUREMENT 15 10 CLEANING THE PROBE 17 1...

Страница 4: ... 28 13 13 EXPORTING GOOGLE FILES 29 13 14 IMPORTING FILES INTO GOOGLE EARTH 29 13 15 GOOGLE EXAMPLE 30 14 SPECIFICATION 31 14 1 MICRO 800 PROBE MECHANICAL SPECIFICATION 31 14 2 MICRO 800 SYSTEM MEASUREMENT SPECIFICATION 31 14 3 MICRO 800 METERS SPECIFICATION 32 15 LIMITED WARRANTY 33 15 1 CLEANING PRIOR TO RETURN 33 15 2 DECONTAMINATION CERTIFICATE 34 16 TROUBLESHOOTING 35 17 DECLARATION OF CONFOR...

Страница 5: ...des a precision barometric sensor The Micro 800 Probe contains the optical DO sensor plus a precision temperature sensor and an electrical conductivity EC sensor From measurements taken by the EC sensor the salinity of the sample can be accurately determined The Palintest Micro 800 is the only optical DO system that measures salinity directly Whilst our competitors units will correct DO measuremen...

Страница 6: ...o will cause major damage to the vent s waterproof membrane and invalidate your warranty 2 2 The Micro 800 Probe and the Environment The Micro 800 Probe is designed to be fully submerged in water and is rated to IP68 that is to say it is rated for continual immersion 2 3 About the Probe Sleeve The Micro 800 Probe is constructed with a protective aluminium sleeve surrounding the more delicate sensi...

Страница 7: ...Battery Condition Icon On all the main Micro 800 Meter screens a battery condition icon is displayed in the top left corner The icon shows full when the batteries are fresh and gradually empties as the batteries are used When the batteries need replacing the empty battery icon will flash on and off If you ignore this the Meter will automatically switch itself off when the battery voltage becomes t...

Страница 8: ...m use the ESC escape key or left arrow key After a short time you should be able to navigate around the entire menu system at speed using just the four arrow keys If at any time you leave the Meter in one of the sub menu screens it will automatically back out to the main operating screen after 15 seconds 4 1 Initial Switch On Language and Clock Setup To switch the meter on or off briefly press the...

Страница 9: ...e is connected correctly the meter will briefly display the Probe s serial number then will automatically start reading Initial Probe readings will be displayed on the meter s screen along with the current GPS status The initial data screen is shown below r TEMP 018 5qC Ú 3 DO 098 5 Ú D DO 08 5mg L Ú Å SAL 1 05ppt Ú Æ The Micro 800 Meter is capable of reading more than four parameters The left rig...

Страница 10: ...ly re scale The EC field can be replaced by its reciprocal value RES Resistivity if selected in the Settings Menu If selected readings will be displayed in either Ω cm or KΩ cm depending on the value GPS position information can also be displayed in the UK as an Ordnance Survey Grid Reference See section 9 Setting Units of Measurement for more details 6 2 Trend Indication To the right of each read...

Страница 11: ...The GPS receiver will not work indoors or when shielded from the sky by any solid structure After switch on the GPS receiver will automatically start to search for satellites During this phase an A character will be shown at the top right of all the screens As soon as three satellites are acquired two dimensional position no altitude will be calculated and a 2D character will be shown at the top r...

Страница 12: ...eadings press the up arrow key Just before each set of readings is displayed the Tag along with the date and time the readings were taken will be briefly displayed The date and time the readings were taken are also displayed on the bottom line of the GPS Position Screen during Memory Recall To view all the parameters within one set of readings use the left right arrow keys as described earlier To ...

Страница 13: ...ain location over a period of time you can set the Meter to record readings automatically To do this press the MENU key The Main Menu screen will be displayed Main Menu ÆAuto Data Logging Settings Calibration Select Auto Data Logging by pressing the right arrow key or the OK key The Auto Data Logging screen will be displayed Auto Data Logging ÆInterval 10 Mins Status OFF Using the arrow keys to na...

Страница 14: ... the Meter set to read EC corrected to 20qC then when you got back you really want to see EC corrected to 25qC you can do this by simply changing the Meter settings see section 9 Setting Units of Measurement The stored data can be displayed any way you want on recall You are not limited to viewing the data in the same way it was logged This is a major advantage and allows you to actually store and...

Страница 15: ...t Electrical Conductivity or TDS Choose line 2 if you want to adjust Temperature or Salinity Finally line 3 will give access to Barometric Pressure Altitude and Position settings Moving the cursor right onto the first line will display the following screen Units Æ EC Ref 25qC TDS Fact 0 65 The first option on this screen allows you to choose how the Meter displays Electrical Conductivity There are...

Страница 16: ...nu will display the following screen Units ÆBARO mb ALT Metres Pos Lat Long The first line allows you to choose between displaying Barometric pressure in millibars mb or in millimetres of mercury mmHg The second line allows you to choose between displaying altitude in metres M or feet F above mean sea level The third line allows you to choose between displaying position in Latitude and Longitude o...

Страница 17: ...ortant to keep the black rubber tip of the DO Cap clean since organic fouling may consume oxygen which can affect DO measurements To clean the DO Cap gently wipe away any fouling with a soft cloth that has been moistened with fresh water Dry the electrode using a soft cloth Shake the water from inside the Sleeve then reattach Dry the outside of the Probe using a soft cloth Never clean the any part...

Страница 18: ...7 The Probe is not responding Check connections cycle power Error 08 Readings are unstable Top up replace calibration solution Error 09 Readings are outside calibration limits Top up replace the calibration solution Ensure the Probe Sleeve is fitted and tight Error 11 Temperature is outside 5qC 40qC limit Warm cool the calibration solution Notes 1 Error 1 during DO Zero calibration usually indicat...

Страница 19: ... the factory calibration values ESC NO If you are sure press the OK key If you want to change your mind press the ESC key If you press OK you will see a message that says CAL RESTORED Once factory calibration defaults have been restored you must carry out a full calibration of DO Zero DO 100 and EC 11 3 Calibration Data Storage Each Micro 800 Probe contains its own microprocessor and memory All ca...

Страница 20: ...d for the first six months of operation Before each day s use the 100 saturation point should be checked in moist air and re calibrated if necessary For optimum accuracy calibrate the DO100 point as near to your sample temperature as possible within the calibration temperature limits of 5qC 40qC If you are going to calibrate both the Zero and 100 points at the same time ALWAYS calibrate the Zero p...

Страница 21: ...oint ALWAYS re calibrate the 100 point 12 5 Checking and Calibrating the DO 100 Saturation Point in Moist Air 1 Wash the probe in fresh water then shake off ensuring there are no droplets adhering to the end face of the DO Cap 2 Wrap the end of the Probe in a clean cloth or a piece of tissue paper that has been moistened with clean water Ensure all the end holes are blocked 3 Wait until the temper...

Страница 22: ...of the DO EC electrode by rotating it anti clockwise Do not touch the exposed optical components 3 Apply a light smear of silicone grease to the thread and O ring 4 Remove the new DO Cap from its light proof bag and quickly screw it onto the end of the DO EC electrode 5 Carry out both Zero point and 100 point DO calibration as described earlier Please Note It is essential when replacing the DO Cap...

Страница 23: ... then select Calibration The following screen will be displayed Calibration ÆDOZero 01 Jun 10 DO100 01 Jun 10 EC2570 01 Jun 10 The dates shown to the right of the screen are the dates of the last successful calibration The value shown on the bottom line next to EC is the value the EC electrode was last calibrated to 6 Move the pointer down to the bottom line using the down arrow key Calibration DO...

Страница 24: ...l not be registered 12 8 Errors During Calibration At the beginning of the calibration routine a sanity check is done If the probe detects that the Calibration Standard value set and the Calibration Standard being used differ Error 09 will be reported If any other problems occur during calibration an error message will be displayed Refer to Calibration Error Codes in Section 11 for error message h...

Страница 25: ...matically To communicate with the Micro 800 Meter two further software drivers need to be installed These are the Micro 800 Meter driver and a USB Serial Port driver 13 3 Driver Installation Connect the Micro 800 Meter to your PC using the USB cable provided The Found New Hardware wizard on your PC should activate automatically Different versions of Windows react to plugging USB devices in differe...

Страница 26: ...p down keys Remember the Micro 800 Meter stores all logged data in a raw Probe format so can be made to output logged data in several different forms dependent upon the Meter s current settings See Important Information About Memory Mode in Section 8 for more information 13 6 Displaying GPS Co ordinates On the right of the screen the position at which the data was logged is displayed in the GPS bo...

Страница 27: ... You can check or un check all data records simultaneously by checking or un checking the Check Un Check All box above the Uploaded Data column Next select which individual data classes you want to export by checking or un checking the check boxes next to each individual data box You are now ready to export your data 13 11 Exporting Text Reports To export a text report first fill in the boxes in t...

Страница 28: ...me 07 14 01 Baro 1005mb Tag 0838 Date 27 Jul 2009 Time 09 46 00 DO 30 1 Sat Tag 0427 Date 25 Jul 2009 Time 21 39 00 DO 3 24mg L Tag 0742 Date 27 Jul 2009 Time 01 46 00 EC 782uS cm Tag 0149 Date 24 Jul 2009 Time 22 29 01 RES 1 358 Ω cm Tag 0651 Date 26 Jul 2009 Time 18 11 13 TDS 508mg L Tag 0145 Date 24 Jul 2009 Time 22 09 01 SAL 0 39ppt Tag 0017 Date 24 Jul 2009 Time 11 29 01 SSG 0 0st Tag 0001 Da...

Страница 29: ...data is overlaid on satellite images 13 14 Importing Files into Google Earth To view your files in Google Earth you will need to log on to the Google website and install the Google Earth application on your computer This is free of charge at present Once you have downloaded Google Earth and have it running either double click on your KML file or follow these steps 3 Click on File 4 Select Open fro...

Страница 30: ...ample Zooming in on the satellite photos in Google Earth is a great way to spot potential sources of pollution If one of the readings you have taken shows an abnormality the chances are that you will be able to spot the possible source of the problem a riverside factory for example directly on the satellite photo ...

Страница 31: ...ding Range 0 50 00 mg L DO mg L Resolution 0 01mg L Accuracy 0 20mg L 1 of reading 20mg L 50mg L 10 of reading Range 0 200 mS cm 0 200 000 µS cm Conductivity Resolution 3 Auto range scales 0 9999 µS cm 10 00 99 99 mS cm 100 0 200 0mS cm Accuracy 1 of reading or 1µS cm if greater Range 0 100 000 mg L ppm TDS Resolution 2 Auto range scales 0 9999mg L 10 00 100 00g L Accuracy 1 of reading or 1mg L if...

Страница 32: ...ht Data Memory 3000 full sets including GLP data GPS Receiver 12 channel internal antenna GPS Accuracy 10 metres in all 3 dimensions Atmospheric Pressure 150mb 1150mb Accuracy 1mb Languages English French German PC Interface USB cable provided Power Supply 5 x AA cells Alkaline or Ni MH rechargeable Battery Life Alkaline 20 hours Ni MH 40 hours Operating Temperature 20 C to 70 C Protection Class I...

Страница 33: ...pment is within warranty any necessary repairs will be carried out and your equipment will be returned free of charge If the repair is not covered by the warranty you will be given an estimate for the costs of repair and return carriage Upon receipt of payment your equipment will be repaired and returned Please note The majority of perceived problems can be rectified by careful study of this instr...

Страница 34: ...___________________________ _____ Postal code ___________________________________ Country ______________________________________ Phone ________________________________________ email __________________________________________ Product ______________________________________ Serial No ______________________________________ Contaminant if known __________________________________________________________...

Страница 35: ... are no obstructions between the Meter and the open sky Remember GPS does not work indoors The Micro 800 Link software cannot find the Micro 800 Meter 9 The USB drivers may not be properly installed Reinstall the USB drivers carefully following the instructions 9 There may be a problem with the USB socket on the PC try an alternative socket The USB CONNECTED message does not appear on the Micro 80...

Страница 36: ... will not work without the Probe Sleeve fitted The only exception to this rule is if the Probe is being used with a Flowcell 9 The Probe may not be inserted deep enough into the sample being measured Ensure the sample level reaches the top set of holes on the Probe sleeve 9 Trapped air bubbles may be causing problems Tap and swish the Probe to dislodge them 9 The Probe Sleeve may be loose The Prob...

Страница 37: ...contains blue excitation and red reference LEDs optical filters a photon detector temperature sensor driver circuitry and high gain amplification circuitry The nano engineered Micro 800 Sensor Module The incredibly small size of the Sensor Module allows it to fit comfortably into the end of a standard 12mm diameter DO electrode in place of a traditional Clark Cell The addition of a replaceable cap...

Страница 38: ...e Micro 800 Probe requires just eleven milliseconds to take a reading This incredibly fast reading time increases the useful life of the luminophore considerably Another technique used to prolong the life of the luminophore in the Micro 800 is variable excitation brightness When the luminophore is new the brightness of the excitation is reduced to a minimum in order to prevent unnecessary photo bl...

Страница 39: ...ll is supplied with two pairs of spigots one pair to fit 6mm 1 4 ID tube and one pair to fit 10mm 3 8 ID tube The spigots have a tapered thread so should be screwed into the inlet and outlet holes of the Flowcell until they are tight At this point they should seal due to the taper If a spigot will not seal properly remove it then re insert with some PTFE plumber s tape wrapped around the thread 19...

Страница 40: ...ve stubborn deposits scrub the inside of the Flowcell with a bottle brush and non abrasive detergent then rinse thoroughly Never clean the Flowcell with solvents or concentrated acid alkaline based cleaning products such as Decon 90 These products can strip the anodised finish from the Flowcell and damage the plastic and rubber components 19 7 Flowcell Troubleshooting Problem Cause Remedy DO or EC...

Страница 41: ...remove the cable gland collar if fitted then remove the top plastic nut that is attached to the top of the Probe and slide them both a little way up the cable Ensure the bottom nut is tight against the top of the probe Slide the Probe Hanger over the cable then down onto the threaded part of the Probe Bring the top nut down onto the thread then use the Probe Hanger as a spanner to tighten the nut ...

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