Apera Instruments DO8500 Instruction Manual Download Page 4

 

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Technical Specifications  

 

Dissolved 

Oxygen

 

Dynamic Range 

(0-20.00) mg/L (ppm), (0-200.0)% 

Resolution 

0.01/0.1mg/L (ppm), 0.1/1% 

Accuracy 

±2% reading or ±0.2 mg/L, 

whichever is greater 

±2% reading or ±2% saturation, 

whichever is greater 

Response Time 

≤30 s (25

, 90% response) 

Calibration Points 

Saturation Point & Zero Oxygen 

Temperature Compensation 

Automatic, (0 to 50)

 

Air Pressure Compensation 

Automatic, (60 to 120) kPa 

Salinity Compensation 

Manual or automatic, (0 to 45) ppt 

Temperature

 

Range 

(0 to 50.0)

 

Resolution 

0.1

 

 

Accuracy 

±0.5

 

Other 

Data Storage 

500 groups (with time and date) 

Output 

USB 

Batteries 

AA x 3 (1.5V×3) 

IP Rating 

IP57 

Dimensions and Weight 

Meter: 88×170×33 mm/313g 

With case: 360×270×76 mm/1.3kg 

Product Certificate 

RoHs, CE & ISO9001:2015 

 

 

 

 

 

 

 

 

 

Summary of Contents for DO8500

Page 1: ...1 DO8500 Portable Optical Dissolved Oxygen Meter Instruction Manual APERA INSTRUMENTS LLC aperainst com v1 2...

Page 2: ...3 Sensor Cap 9 5 Preparation for Calibration 10 5 1 Dissolved Oxygen Units Selection 10 5 2 Resolution Selection 11 5 3 Temperature Unit Selection 11 5 4 Air Pressure Compensation 11 5 5 Salinity Comp...

Page 3: ...up to 8000 hours of service life Easy to calibrate and maintain Probe is equipped with a calibration storage sleeve which makes calibration and maintenance more convenient and reliable 1 2 Intelligent...

Page 4: ...tion Points Saturation Point Zero Oxygen Temperature Compensation Automatic 0 to 50 Air Pressure Compensation Automatic 60 to 120 kPa Salinity Compensation Manual or automatic 0 to 45 ppt Temperature...

Page 5: ...called Timing storage Temperature value and prompts of special display mode Date time and prompts of special display mode Automatic reading lock up Units of date and time ATC Auto temperature compensa...

Page 6: ...r 2 seconds to turn off Short Press In measurement mode press the key to switch unit mg L or ppm Long Press In the measurement mode press the key for 2 seconds to enter the calibration mode Short Pres...

Page 7: ...ll be displayed on the screen as shown in Figure 5 DO value 8 18mg L temp value 25 2 When salinity probe is connected and salinity is greater than 1ppt salinity will be displayed on the bottom right o...

Page 8: ...ashing and the meter stops the auto timing storage In auto timing mode manual storage does not work Set time to 00 00 in parameter P4 1 to exit from the auto timing storage mode 3 6 3 Recall stored va...

Page 9: ...hould be above this line 4 2 Probe Maintenance The sensor cap of the optical DO electrode must be kept in a moist environment If the surface coating of the sensor cap dries out the reading will be uns...

Page 10: ...ated please do not use alcohol or organic solvents to clean otherwise it may damage the probe It can be gently wiped with a soft clean cloth To disinfect the probe immerse it in 3 hydrogen peroxide fo...

Page 11: ...n general users do not have to calibrate air pressure any more If necessary calibrate it according to standard value measured by aneroid barometer Refer to parameter setting P3 5 for the procedure of...

Page 12: ...e refer to Figure 13 Press to return to measurement mode Special notes A Use 12 88mS cm conductivity calibration solution to calibrate salinity If the standard solution is wrong Err icon will be flash...

Page 13: ...ffective within 1 hour B Put the electrode into the oxygen free water wait for 3 to 5 minutes after the instrument is turned on and wait for the temperature and DO reading to completely stabilize The...

Page 14: ...influenced by temperature and the probe senses temperature slower than dissolved oxygen 8 Parameter Settings Press in the measurement mode to enter the parameter setting mode P3 0 press to switch the...

Page 15: ...1 Press Aut flashes Press to select auto salinity compensation Aut or manual salinity compensation Hnd Press to confirm 2 Press to enter P3 4 mode or press to return to measurement mode P3 4 Salinity...

Page 16: ...to measurement mode P4 2 temperature unit 1 Press flashes Press to select Press to confirm 2 Press to enter P4 3 mode or to return to measurement P4 3 Auto Lock Off On 1 Press Off flashes Press to se...

Page 17: ...es press or to adjust value then press to confirm 2 Press to enter in P4 8 mode or press to return to measurement P4 8 Adjust time 1 Press HH flashes then press MM flashes When the number flashes pres...

Page 18: ...nload press this key to download the data from the meter to the computer Clear press this key to clear all the stored values Export press this key to export the stored value to a Microsoft Excel file...

Page 19: ...e measuring information is downloaded to the computer through USB and will not be stored in the meter b The stored mode and unit during operation is the same as the data shown on the meter press to ch...

Page 20: ...the warranty A Fails to install operate or use the product in accordance with the instruction manual or if the product is damaged by abuse or incorrect use B The sensor cap is damaged by external forc...

Page 21: ...t can be replaced DO readings are not accurate 1 Check whether the temperature is stable the salinity input and barometric pressure are accurate 2 If the probe calibration is not good recalibrate 3 Ch...

Page 22: ...0 9 67 9 15 8 67 8 21 7 77 7 36 18 0 9 47 8 97 8 50 8 05 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...

Page 23: ...83 24 83 630 8 84 10 841 00 97 29 02 737 2 98 29 982 85 82 24 54 623 2 83 09 830 87 96 28 72 729 6 97 27 972 72 81 24 24 615 6 82 07 820 73 95 28 43 722 0 96 26 962 59 80 23 94 608 0 81 06 810 60 94 2...

Page 24: ...24 APERA INSTRUMENTS LLC Address 6656 Busch Blvd Columbus Ohio 43229 Tel 1 614 285 3080 Email info aperainst com Website https aperainst com...

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