Thermo-fisher-scientific Eutech DO 700 Manual do Utilizador

TechnologyMadeEasy...Instruction Manual DO 700 Dissolved Oxygen/ºC/ºF Bench Meter Part of Thermo Fisher Scientific

6 The DO 700 will accept one calibration point in concentration mode. The minimum value is 2 mg/L (ppm), and the calibration window is +/- 40% of th

7 4.2 % Saturation Calibration The DO700 can be easily calibrated in air. For best accuracy, ensure that the barometric pressure value is accurate.

8 4) Press . The CAL indicator will blink and the secondary display will indicate the calibration point, 0.0. 5) Press to confirm the calibration.

9 6) Press to confirm the calibration. The primary display will blink briefly before returning to measurement mode. NOTE: The minimum calibration

10 5.2 2.0 ELE (Electrode Information) Press to view calibration factor (CAL.F) TIP: The factor is an indication of the probe’s efficiency. It i

11 5.6 3.3 dPr (Barometric Pressure Adjustment) Press . Press or to select units; Hg (mm Mercury) or bAr. Press to confirm. Press or to adj

12 Press to confirm. 5.9 3.5 Unit (Unit Adjustment) from concentration mode Press . Press or to select ppm or mg/L units. Press to confir

13 6. TAKING MEASUREMENTS During measurement the dissolved oxygen reading is automatically compensated for pressure and salinity. For best accuracy,

14 6.1 HOLD Function For prolonged observation of a reading, press during measurement mode to freeze the display. The “HOLD” indicator will displa

15 7. ELECTRODE MAINTENANCE The DO 700 electrode produces an output proportional to the oxygen present in the medium in which it is placed. The galv

16 There are no special probe storage requirements. Cap and Electrolyte Replacement Replacement of the pre-assembled cap is required only when you

17 Electrolyte Solution The electrolyte solution in your probe’s cap will deplete on usage and will need to be replaced periodically. The replace

18 8. DISSOLVED OXYGEN THEORY Dissolved Oxygen (DO) refers to the volume of oxygen that is contained in water. There are two main sources of DO in

19 Measurement Units One measure of DO in water is parts per million (ppm) which is the number of oxygen molecules (O2) per million total molecules

20 Air Calibration Understanding the principle of air calibration is easy, once you know that it is partial pressure that the probe is responding t

21 Some pollutants such as acid mine drainage produce direct chemical demands on oxygen in the water. DO is consumed in the oxidation-reduction rea

22 9. REPLACEMENTS AND ACCESSORIES Part number Ordering Code Item Description Eutech Instruments Oakton Instruments DO 700 meter with DO/ATC probe

23 10. TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION No display Main power not switched on. AC Adapter socket not inserted properly. Switch on the

24 PROBLEM CAUSE SOLUTION CAL % calibration value is not acceptable. Electrode is disconnected or failing. Check electrode connections. Check t

25 11. SPECIFICATIONS DO % Saturation Range Resolution Relative accuracy Offset adjustment Calibration Points 0 to 300% 0.1 % ± 0.5% of value ±

TABLE OF CONTENTS 1. INTRODUCTION ... 1 2. GETTING STARTED...

26 12. WARRANTY This meter is supplied with a warranty against significant deviations in material and workmanship for a period of THREE years from

27 13. RETURN OF ITEMS Authorization must be obtained from our Customer Service Department or authorized distributor before returning items for any

NOTES

For more information on our products, please contact our channel partner or visit our websites listed below: Oakton Instruments 625 E Bun

9. REPLACEMENTS AND ACCESSORIES... 22 10. TROUBLESHOOTING GUIDE... 23 11. SPECIFICATION

1 1. INTRODUCTION Thank you for purchasing our DO 700 series benchtop meter. This microprocessor-based meter is economical and simple to use. The de

2 2. GETTING STARTED 2.1 Keypad Functions Powers the meter on and off. Upon power on, the meter automatically begins in the mode that was last u

3 2.2 LCD Annunciators 2.3 Meter Connections DC Power supply ATC Temperature connection of Dissolved Oxygen electrode DO BNC connection of Dis

4 3. DISSOLVED OXYGEN / ATC ELECTRODE The DO 700 includes a galvanic DO electrode with built in temperature measurement. The electrode has a dual

5 4. CALIBRATION The DO 700 has three measurement modes; DO as % saturation, DO as mg/L (or ppm) concentration, and temperature. Dissolved oxygen le