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Summary of Contents for Sper scientific 860067
- Page 1 Dissolved Oxygen Meter W/ Optical D.O. Probe INSTRUCTION MANUAL 860067 SPER SCIENTIFIC...
- Page 2 QUICK GUIDE This optical dissolved oxygen (ODO) probe is factory calibrated and does not require calibration before use. Please also don't try to disassemble the sensing tip since it is not replaceable. distilled Step 1: (Only r equired for the first time water use or after long term storage) Refill...
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Page 3: Table Of Contents
INDEX Page INTRODUCTION FEATURES MATERIAL SUPPLIED HOW TO TAKE CARE OF ODO PROBE INTERFERING SUBSTANCES SUBSTANCES THAT DAMAGE THE ODO PROBE HOW TO CONNECT PROBE TO METER BODY HOW TO INSTALL BATTERIES KEYPAD OPERATION LCD DISPLAY OPERATION START TO MEASURE ODO PROBE CLEANING ODO PROBE STORAGE SET UP... -
Page 4: Introduction
INTRODUCTION The optical dissolved oxygen meter (luminescent dissolved oxygen or fluorometric dissolved oxygen) is based on luminescent optical technology. The measuring principle offers the following advantages: Low operating costs due to reduced maintenance work (no electrolyte changes) Greater calibration intervals due to low drift behavior No polarization voltage required No oxygen consumption No minimum inflow... - Page 5 DO Saturation Measuring the percent saturation of dissolved oxygen in a water sample. Percent saturation is a relative measurement in which the dissolved oxygen concentration is expressed as a percentage of the maximum amount of oxygen that water can hold at a given temperature and pressure. Temperature Measuring water temperature of the sample.
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Page 6: Material Supplied
MATERIAL SUPPLIED This optical dissolved oxygen meter comes with all required accessories, you don't need to purchase extra accessories or chemicals. The full package contains: 1.IP67 waterproof meter, 1pc 2.Waterproof optical D.O probe w/3M long cable and anti-collision cap, 1pc 3.AAA alkaline batteries, 6pcs 4.Manual, 1pc 5.Hard carry case, 1pc... -
Page 7: Interfering Substances
INTERFERING SUBSTANCES Alcohols greater than 5%, hydrogen peroxide (H ) greater than 3%, sodium hypochlorite (NaClO, commercial bleach) greater than 3%, gaseous sulfur dioxide (SO ) and gaseous chlorine (Cl ) may interfere with the dissolved oxygen measurements. Highly cross-sensitivity to Organic solvents, such as acetone, toluene, chloroform or methylene chloride, Chlorine gas. -
Page 8: How To Connect Probe To Meter Body
HOW TO CONNECT PROBE TO METER BODY This device is not designed to be used under water. The IP67 meter body and connector provide you convenience to do cleaning after usage without worry of damaging device. There is an alignment guide inside probe plug, please lineup with the socket of meter, push plug into position and rotate lock cap to tight.. -
Page 9: Keypad Operation
KEYPAD OPERATION This 6 keys meter provides you multiple functions. Some functions are only activated by pressing key longer time. -Short press to switch power on or off, count down for 6 seconds and then enter the normal mode. -Long press in normal mode to enter setup mode. -In normal and recall mode, short press to switch the display to different D.O. -
Page 10: Lcd Display
LCD DISPLAY LCD DISPLAY TEMP MEMO HOLD MAXMIN mg/L Kpa This big display provides clear information even under the sun. mg/L To indicate the measured value is D.O. and unit is mg/L or % To indicate the manual input salinity value is ppt (part per thousand) : D.O value is auto temperature compensated : To indicate the displayed value is degree C or F. -
Page 11: Operation
OPERATION LCD DISPLAY Start to Measure Step 1. Re-hydration prior to use: (Only required for the first time use or after long term storage) distilled water Refill distilled water to re-hydrate the sensing surface for 12 hours. Then, refer to page 14 to check the accuracy before use. - Page 12 Step 6: Once completing testing, remove the ODO probe from the sample, rinse it with distilled water, blot it dry with a lint-free tissue, insert the probe into the next sample or refer to below ODO probe cleaning and storage section for the storage procedures.
- Page 13 Manual 99 recording In normal or hold mode, short press “ “ to save the current value into memory file, up to 99 records. If memory is full, it will start to overwrite the earlier records. You will see measured value flashing to indicate it is taken into memory and also the memory number of right lower corner “...
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Page 14: Odo Probe Cleaning
ODO Probe Cleaning Avoid touching the center part of the membrane, because it can become scratched or dirty. If this happens, the functionality of the device can no longer be guaranteed. Rinse the sensor with distilled water from a squirt bottle or spray bottle and blot dry with a lint-free soft cloth. -
Page 15: Setup
Setup (Preferrence setting) This meter is designed for many applications, you can custom made the basic setting to make it suitable for your unique application. For example, salinity shall be considered when measuring D.O. in high saline,> 1 ppt, environments. Pressing “... -
Page 16: Clean Up Probe Thoroughly
LCD DISPLAY CLEAN UP PROBE THOROUGHLY Cleaning the sensing tip 1.Avoid touching the center part of the sensing tip, because it can become scratched or dirty. If this happens, the functionality of the device can no longer be guaranteed. 2.Rinse the probe with distilled water from a squirt bottle or spray bottle and blot dry with a lint-free soft cloth. -
Page 17: Cleaning The Odo Probe Body
Cleaning the ODO probe body 1.Gently cleaning the probe body with a wet soft clothes. 2.Calcareous fouling can normally be dissolved with household vinegar. Immerse the probe in vinegar overnight. If the marine growth remains, use clean cotton swabs to gently wipe the growth off after it has been softened by soaking in vinegar. -
Page 18: 100% D.o. Check Or Calibration
100% D.O. CHECK or CAL There are two methods to proceed 100% check or calibration: 1.By positioning the probe in water vapor-saturated air For example, directly over a water surface. NOTE: probe must be kept dry during the calibration process. Drops of water adhering to the probe membrane could distort the measurement. - Page 19 5.Follow the keypad instructions in below to perform a 100% water-saturated air calibration if checked reading is out of qualified range. 6. After doing the calibration, the displayed measurement shall be within the qualified range as 102.0~98.0% range. Keypad operation of doing calibration In normal mode, pressing “...
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Page 20: D.o. Check Or Calibration
0% D.O. CHECK OR CAL Zero Oxygen Solution for Zero Point Calibration The probe can be damaged by chemicals. A damaged sensing surface can lead to incorrect measurement results. The probe must not be in contact with the Zero Oxygen Solution (sulphite solution) for longer than one hour. -
Page 21: Trouble Shooting
7.If the measured value is larger than 5.0%, follow the keypad instructions in page 16 to perform a zero point calibration. 8.Thoroughly rinse the ODO probe under running water and blot it dry with a lint-free tissue. 9.If the ODO probe is sluggish or inaccurate after a zero point calibration, means not all of the sodium sulfite was removed from the probe. - Page 22 4.Testing sample If the ODO probe works properly in standards (100% and 0%) but not in the sample, look for possible interferences or substances in the sample that could alter the probe response or physically damage the probe. If possible, determine the composition of the sample and check for issues.
- Page 23 Wrong temperature displayed: 1. Verify that the ODO probe is immersed in the solution at least 2 inch deep. Bad zero point calibration: 1. The ODO probe must be in an oxygen free solution for at least five minutes. 2. Make sure that the open area between the probe and bottle is covered with parafilm.
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Page 24: Specification
SPECIFICATION IP67 Dissolved Oxygen Meter,w/ optical D.O. Probe DO range (in mg/L) 0.0~20.0 mg/L (ppm) DO accuracy ±0.3ppm(<5ppm), ±0.4ppm(5~20ppm) DO resolution 0.1mg/L(ppm) DO range (in %) 0.0%~200.0% DO accuracy ±3% of F.S 0.1 % DO resolution Temp. range 0~40.0 C/32~104 F Temp.
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