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ALAT UJI OMEGA DOH-SD1 Manual

Disolved oxygen meter with data logging sd card
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DOH-SD1
Disolved Oxygen Meter
With Data Logging SD Card

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Summary of Contents for ALAT UJI OMEGA DOH-SD1

  • Page 1 DOH-SD1 Disolved Oxygen Meter With Data Logging SD Card...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction ............................ 2 Key Features ..........................2 Operating Instructions ........................3 What’s in the case ....................... 3 Setup ............................ 4 Calibrating the oxygen probe .................... 6 Normal operation ....................... 8 Holding and storing measurements ..................9 Automatic vs. manual datalogging ..................9 Transferring data from the SD card to a computer ............

  • Page 3: Introduction

    INTRODUCTION Thank you for purchasing DOH-SD1 Dissolved Oxygen Meter with Datalogging SD Card. Please read this user’s manual carefully and thoroughly before using the instrument. Many commercial and industrial processes carefully monitor the concentration of oxygen contained in water because dissolved oxygen (DO) level is an excellent indicator of water quality.

  • Page 4: Operating Instructions

    OPERATING INSTRUCTIONS What’s in the case The DOH-SD1 comes fully assembled in a hard carrying case along with the following accessories: • An oxygen probe • Electrolyte to fill the probe • Two spare probe heads with diaphragm set • A 2 GB SD memory card •...

  • Page 5: Setup

    [CALLOUTS FOR FIG. 1] 1-1 Liquid-crystal display 1-2 POWER button (also controls backlight) 1-3 HOLD/ESC button 1-4 REC/ENTER button button button 1-7 TIME button 1-8 LOGGER SET button 1-9 Kickstand 1-10 Battery compartment cover 1-11 Battery compartment cover screws 1-12 Tripod attachment nut 1-13 Socket for DO probe 1-14 Socket for 9V AC/DC adapter 1-15 RESET button...
  • Page 6 (If you press buttons too slowly in setup mode, the screen will revert to the normal display. To return to the setup sequence, press and hold the LOGGER SET button again. To move ahead to the next field in the sequence or to the next parameter, press the HOLD/ESC button.) Pressing the REC/ENTER button causes the word “no”...

  • Page 7: Calibrating The Oxygen Probe

    8. Choose a decimal point or comma to represent the decimal division between integers and fractions (for example, American-style 20.88 vs. European-style 20,88). Once the beeper has been enabled or disabled, the display will show the word “bASIC” above the phrase “dEC”.
  • Page 8 4. Screw the probe head back into the probe body. 2. How to fill the probe head with electrolyte To calibrate the DOH-SD1, use the following procedure while referring to Figures 1 and 3: [CALLOUTS FOR FIG. 3] 3-1 Probe Plug 3-2 Probe Handle 3-3 Temperature-sensing Metal 3-4 Probe Cap...

  • Page 9: Normal Operation

    5. Plug the probe plug into the DO probe socket at the top of the DOH-SD1. 6. Power on the instrument by pressing the POWER button on the front panel once. (Powering the unit through a 9V AC/DC adapter—an optional accessory—disables the POWER button.) 7.

  • Page 10: Holding And Storing Measurements

    Whenever the instrument is in measurement mode, you also can check the current date and time by briefly pressing the TIME button. Doing so causes both values to appear briefly at the lower left of the display. Holding and storing measurements 1.

  • Page 11: Transferring Data From The Sd Card To A Computer

    display. As in automatic datalogging mode, in this mode the instrument is storing measurements and their time stamps on the SD card. In manual datalogging mode, however, measurements are being stored continuously (with a sampling time of zero), and their locations on the card can be changed. 5.
  • Page 12 5. Typical Excel graphics-only screen 6. Typical Excel mixed graphics/data screen...

  • Page 13: Specifications

    SPECIFICATIONS Embedded microcontroller Custom single-chip LSI device Display type Liquid-crystal with green backlight Display size 2.0 x 1.5 inches (52 x 38 mm) DO measurement range 0 to 20 mg/L DO measurement resolution 0.1 mg/L DO measurement accuracy ± 0.4 mg/L Oxygen in air measurement range 0 to 100% Oxygen in air measurement resolution...

  • Page 14: Maintenance & Troubleshooting Tips

    MAINTENANCE & TROUBLESHOOTING TIPS Keep the probe clean and its head inside the included protective cover when not in use. If the meter cannot be calibrated, or if its readings are erratic, first make sure that the probe head contains enough fresh electrolyte. To fill the head with electrolyte, follow the instructions in the “Calibrating the oxygen probe”...

  • Page 15: Replacement Parts & Accessories

    REPLACEMENT PARTS & OPTIONAL ACCESSORIES • DOE-SD1 Spare oxygen probe • DOEH-SD1 Spare probe head and diaphragm set • DOEL-SD1 Electrolyte for probe • APAPTER-ST 9-VDC adapter for 110VAC power supply • RS232-SD RS232 Cable...
  • Page 16 NOTES:...
  • Page 17 NOTES: Office: Jl. Radin Inten II No. 62 Duren Sawit, Jakarta 13440 - Indonesia Mobile: +62 816 1740 8925 Workshop: Jl. Pahlawan Revolusi No. 22B, Jakarta 13430 - Indonesia Fax: 021-8690 6777 Fax: 021-8690 6771 Phone: 021-8690 6777 (Hunting)

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