Related Manuals for PEAK INSTRUMENTS P-512
Summary of Contents for PEAK INSTRUMENTS P-512
- Page 1 User Manual PEAK INSTRUMENTS INC P-512 Dissolved Oxygen Meter User Manual PEAK INSTRUMENTS INC Version 1801 Address: 16223 Park Row, Houston, TX-77084, USA. Website: www.peakii.com. Tel: +1 2819353455...
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Page 2: Table Of Contents
User Manual PEAK INSTRUMENTS INC CONTENTS I. General Information ....................1 II. Specifications ......................2 III. Device Instructions ....................3 1. Display indicators ....................3 2. Operation Keys ....................3 3. Save, view and delete data................. 4 IV. DO Measurement ...................... 5 1. -
Page 3: General Information
PEAK INSTRUMENTS INC I. General Information Thanks for using P-512 DO meter. In order to help you operate and maintain the instrument properly, please read the user manual before using it. We reserve the rights to update the manual and its parts subject to the purpose of improving the instrument’s performance. -
Page 4: Specifications
User Manual PEAK INSTRUMENTS INC II. Specifications Dissolved oxygen Measuring range (0～20.00)mg/L(ppm), (0～200.0)% Resolution 0.1/0.01 mg/L(ppm), 1/0.1% Accuracy Electrode:±0.10 mg/L Instrument: ±0.40mg/L Response time ≤30s (25℃,90% response) Residual current ≤0.1 mg/L Temperature (0～99)℃(Auto/Manual) compensation Salinity compensation (0～45)ppt(Manual) Air pressure (0～200) kPa(Manual) -
Page 5: Device Instructions
User Manual PEAK INSTRUMENTS INC III. Device Instructions 1. Display indicators ① Parameter mode tag ② Measurement value ③ Data storage and replay number and symbol. Indicator of special status. M+ is symbol for data storage. RM is data replay icon. -
Page 6: Save, View And Delete Data
User Manual PEAK INSTRUMENTS INC 2.3. Function key. In measuring mode, short press(less than 1.5 seconds) this key to change measuring unit mg/L→ppm→%. 2.4. Backlight and delete key. 2.4.1. In measuring mode, short press(less than 1.5 seconds) this key to turn on or off backlit. -
Page 7: Do Measurement
User Manual PEAK INSTRUMENTS INC for two seconds, which means all saved data is deleted already and back to measuring mode. IV. DO Measurement 1. Preparations 1.1. Press to switch on device, then press to choose proper unit. 1.2. Check the DO electrode (see following fig.).There should not be bubbles inside the electrode diaphragm cap (tiny bubble is OK). -
Page 8: Liquid Sample Measurement
User Manual PEAK INSTRUMENTS INC 3. Liquid sample measurement 3.1. Measuring flow liquid solution(flowing speed >5cm/s). Dip the electrode into the liquid with the temperature probe under water surface. Tilt the electrode 45° ～ 75°with the flow direction, shake it slightly and last 3-5 minutes until the reading is stable. -
Page 9: Parameter Settings
User Manual PEAK INSTRUMENTS INC bubbles, please remove the cap and refill electrolyte. 4.8. The membrane surface should be humid to avoid the electrolyte around cathode becoming dry, which will influence electrode performance greatly. 4.9. Make sure the temperature probe in the electrode shell under water, or inaccurate temperature will result in big errors to the test value. -
Page 10: Manual Temperature Compensation(P2)
User Manual PEAK INSTRUMENTS INC 5.3. Manual temperature compensation(P2). 5.3.1. Press to choose P2 in mode P1, Then press to enter P2. 5.3.2. Press to change the temperature. Long press these keys to change the figures continuously. Press to confirm the change and back. -
Page 11: Temperature Unit Setting(P5)
User Manual PEAK INSTRUMENTS INC 5.6. Temperature unit setting(P5) 5.6.1. Press to choose P5 in mode P4, Then press to enter P5. to select temperature unit ℃/℉. Press 5.6.2. Press confirm the change and back. 5.6.3. Press to enter next parameter setting or press to back to measuring mode. -
Page 12: Restore Default Settings(P8)
User Manual PEAK INSTRUMENTS INC 5.9. Restore default settings(P8) 5.9.1. Press to choose P8 in mode P7, Then press to enter P8. 5.9.2. Press to choose “ ” and confirm by pressing and “888” blinks on the screen, which means it is restored to default settings. Press to back to measuring mode. -
Page 13: Salinity Setting
User Manual PEAK INSTRUMENTS INC Usually zero oxygen calibration is not necessary. Please do as the following steps if needed. 7.1. Make 250ml anaerobic water. Add 500mg sodium sulfite (Na ) and 250ml pure water into a flask with 250ml volume. Mix them completely(tiny divalent cobalt salt could be added as catalyst). -
Page 14: Packing List
User Manual PEAK INSTRUMENTS INC VI. Packing List Description Number P-512 DO meter 1 unit DO electrode 1 piece Diaphragm cap 2 pieces Polarographic DO refill 1 bottle AA Battery 2 piece User manual 1 copy Appendix I Saturated content of oxygen in water with different temperature... -
Page 15: Appendix Ii Saturated Content Of Oxygen In Water With Different Air Pressure
User Manual PEAK INSTRUMENTS INC Appendix II Saturated content of oxygen in water with different air pressure Air Pressure Dissolved Oxygen(mg/L) mmHg 15℃ 15℃ 15℃ 100.00 9.94 8.14 6.85 100.13 9.96 8.15 6.86 100.26 9.97 8.16 6.87 100.40 9.98 8.17 6.88... -
Page 16: Appendix Iii Saturated Content Of Oxygen In Water With Different Altitude
User Manual PEAK INSTRUMENTS INC Appendix III Saturated content of oxygen in water with different altitude Altitude Air Pressure Altitude Air Pressure feet meter mg/l feet meter mmHg mg/l 101.3 8.25 7500 2287 77.1 6.28 99.34 8.09 8000 2439 75.63 6.16...