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User's Guide

Dissolved Oxygen (DO) Meter

SD Card real-time Datalogger

Model SDL150

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Содержание SDL150

Страница 1: ...User s Guide Dissolved Oxygen DO Meter SD Card real time Datalogger Model SDL150 ...

Страница 2: ...his meter is shipped fully tested and calibrated and with proper use will provide years of reliable service Safety International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information Meter Description 1 Oxygen Probe Input Plug 2 Dissolved Oxygen or Oxygen in Air reading 3 Temperature reading 4 Power ON OFF key 5 SET an...

Страница 3: ...itch ON please check that fresh batteries are installed in the rear battery compartment or in the case of the AC adaptor check that the adaptor is connected correctly to the meter and to an AC source Measurements Connect the Oxygen Probe The supplied probe connects to the keyed input jack DIN style at the top of the meter Measurement Ranges Dissolved Oxygen measurements are displayed in the range ...

Страница 4: ... on the upper larger digit display area of the meter s LCD Measurements outside of the specified range will yield dashes Temperature measurements are displayed in the range of 0 to 50o C 32 to 122o F on the lower LCD line in smaller sized digits 6 SALT Altitude height compensation temperature units of measure and other parameters can be modified in the SETUP mode refer to the SETUP mode section la...

Страница 5: ...e attempted again 7 When the countdown finishes the calibration is complete 8 If the calibration is unstable check the electrolyte level and or replace the probe head includes diaphragm Zero Calibration The 0 calibration is available for high accuracy measurements at low O2 levels The calibration requires a Zero Oxygen Solution which can be purchased from most laboratory supply distributors This c...

Страница 6: ...eflon diaphragm housed in the tip of the supplied probe The diaphragm is made permeable by the oxygen molecules but not by the considerably larger molecules contained in the electrolyte Due to this characteristic the oxygen may diffuse throughout the electrolyte solution contained in the probe and its concentration is quantified by the meter s measurement circuitry Refilling the Probe s Electrolyt...

Страница 7: ...on appears the meter is now recording the MAX and MIN readings 2 Press the MAX MIN button again to view the current MAX readings MAX icon appears The readings on the display are now the highest readings encountered since the REC icon was switched on when the MAX MIN button was first pressed 3 Press the MAX MIN button again to view the current MIN readings MIN icon appears The readings on the displ...

Страница 8: ...auto power off function bEEP Set the beeper sound ON OFF dEC Set the numerical format USA decimal 20 00 or European comma 20 00 Sd F Format the SD memory card t CF Select the desired unit of measure for temperature C or F SALT Salt compensation 0 to 50 HEIGHT Altitude compensation in meters up to 8900 meters HEIGHT F Altitude compensation in feet up to 29300 feet Setting the Clock Time 1 Access th...

Страница 9: ... select USA or EUro 3 Press ENTER to confirm setting 4 Press and hold the SET button for at least 1 5 seconds to exit to the normal operation mode or simply wait 7 seconds for the meter to automatically switch to the normal operating mode SD Card FORMATTING 1 Access the Sd F parameter 2 Use the arrow buttons to select YES to format the card select NO to abort Note that all data on the card will be...

Страница 10: ... 2 After pressing the Reset button switch the instrument ON by pressing and holding the POWER key for at least 1 5 seconds If using the power adaptor unplug the adaptor and then plug it back in again to power the meter Datalogging Types of Data Recording Manual Datalogging Manually log up to 99 readings onto an SD card via push button press Automatic Datalogging Automatically log data onto an SD m...

Страница 11: ...ng the LOG button momentarily The DATALOGGER icon will stop flashing and the sample rate will display for a short time To resume logging simply press the LOG button again momentarily 5 To terminate the datalogging session press and hold the LOG button for at least 1 5 seconds 6 When an SD card is used for the first time a folder is created on the card and named DOA01 Up to 99 spreadsheet documents...

Страница 12: ... must be replaced Several hours of accurate readings are still possible in this condition however batteries should be replaced as soon as possible 1 Remove the two 2 Phillips screws from the rear of the meter directly above the top of the tilt stand 2 Remove and safely place the battery compartment and screws where they will not be damaged or lost 3 Replace the six 6 1 5V AA batteries observing po...

Страница 13: ...Auto Power OFF After 10 minutes of inactivity can be disabled Power Supply Six 6 1 5 VDC batteries optional 9V AC adaptor Power Consumption Normal operation backlight and datalogger OFF approx 14mAdc With backlight OFF and datalogging ON approx 37mAdc With backlight ON add approx 12mAdc Weight 362g 0 79 lbs meter only Dimensions Main instrument 182 x 73 x 47 5mm 7 1 x 2 9 x 1 9 Probe 190 x 28 mm 7...

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