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DO850 

 

Portable Optical Dissolved Oxygen Meter 

Instruction Manual 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

APERA INSTRUMENTS, LLC 

aperainst.com 

v3.0 

 

Содержание DO850

Страница 1: ...1 DO850 Portable Optical Dissolved Oxygen Meter Instruction Manual APERA INSTRUMENTS LLC aperainst com v3 0...

Страница 2: ...ng 6 3 8 Automatic Power Off 6 4 Optical Dissolved Oxygen Probe 7 4 1 Probe Structure 7 4 2 Probe Maintenance 7 4 3 Sensor Cap 8 5 Preparation for Calibration 8 5 1 Dissolved Oxygen Units Selection 8...

Страница 3: ...n such as scratches to the light shielding layer the sensor cap has up to 8000 hours of service life Easy to calibrate and maintain Probe is equipped with a calibration storage sleeve which makes cali...

Страница 4: ...0 response Calibration Points Saturation Point Zero Oxygen Temperature Compensation Automatic 0 to 50 Pressure Compensation Automatic 60 to 120 kPa Salinity Compensation Manual 0 to 45 ppt Temperature...

Страница 5: ...surement mode press the key for 2 seconds to enter the calibration mode Short Press To cancel any operation press to return to measurement mode Short Press In the menu mode press the key to change the...

Страница 6: ...n Select On to turn on automatic locking When the reading is stable for more than 10 seconds the meter automatically locks the measured value and displays the HOLD icon as shown in Figure 8 When auto...

Страница 7: ...slow The electrode calibration sleeve is used to store the probe A Short term storage less than 30 days The probe head is kept in the calibration sleeve Always keep the sponge inside the calibration s...

Страница 8: ...xide for 15 to 30 minutes and then rinse off with clean water D The sensor cap has a service life of more than 8000 hours When the probe is not being used the service life will not be reduced so the a...

Страница 9: ...ity of freshwater is 0 to 0 5ppt salinity of seawater is 35ppt 6 Calibration 6 1 Saturated Oxygen Calibration A This procedure requires the use of a calibration sleeve to allow the probe to be calibra...

Страница 10: ...he sensor cap can adversely affect the stability of the measurement Please pay special attention to this situation See Section 4 2 Probe Maintenance for details C The instrument has factory default se...

Страница 11: ...ppm P3 2 Resolution Selection 0 01 0 1 mg L ppm P3 3 Salinity Compensation 0 to 45 ppt P3 4 Air Pressure Calibration 60 to 120 kPa P3 5 Back to Factory Default No Yes P4 0 Basic parameter P4 1 Temp Un...

Страница 12: ...press or to switch P4 1 temperature unit 1 In P4 0 mode Press to enter P4 1 mode 2 Press flashes Press to select Press to confirm 2 Press to enter P4 2 mode or to return to measurement mode P4 2 Auto...

Страница 13: ...the date of purchase If the above products or parts within the warranty period is not functional due to raw material defects or poor manufacturing they are free for repair or replace 10 2 Damage and...

Страница 14: ...e measured value is not stable prolong the stabilization time until is fully stabilized then press to finish 3 Check the sensor cap If it is contaminated it can be cleaned if dried out it can be hydra...

Страница 15: ...7 62 7 22 19 0 9 28 8 79 8 33 7 90 7 48 7 09 20 0 9 09 8 62 8 17 7 75 7 35 6 96 21 0 8 92 8 46 8 02 7 61 7 21 6 84 22 0 8 74 8 30 7 87 7 47 7 09 6 72 23 0 8 58 8 14 7 73 7 34 6 96 6 61 24 0 8 42 7 99...

Страница 16: ...82 07 820 73 95 28 43 722 0 96 26 962 59 80 23 94 608 0 81 06 810 60 94 28 13 714 4 95 25 952 46 79 23 64 600 4 80 05 800 47 93 27 83 706 8 94 23 942 32 78 23 34 592 8 79 03 790 34 92 27 53 699 2 93 2...

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