Owon OW18 Series User Manual
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Owon OW18 Series User Manual

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OW18 Series Digital Multimeters
User Manual
 OW18A
 OW18B
 OW18D
 OW18E
For product support, visit:www.owon.com.hk/download
※：The illustrations, interface, icons and characters in the user manual may be slightly
different from the actual product. Please refer to the actual product.

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Summary of Contents for Owon OW18 Series

  • Page 1 OW18 Series Digital Multimeters User Manual  OW18A  OW18B  OW18D  OW18E For product support, visit:www.owon.com.hk/download ※：The illustrations, interface, icons and characters in the user manual may be slightly different from the actual product. Please refer to the actual product.
  • Page 2 LILLIPUT Company. Fujian LILLIPUT Optoelectronics Technology Co., Ltd. No. 19, Heming Road Lantian Industrial Zone, Zhangzhou 363005 P.R. China Tel: +86-596-2130430 Fax: +86-596-2109272 Web: www.owon.com.cn E-mail: info@owon.com.cn...
  • Page 3 General Warranty Our company warrants that the product will be free from defects in materials and workmanship for a period of 1 year from the date of purchase of the product by the original purchaser from the our company. This warranty only applies to the original purchaser and is not transferable to the third party, and does not apply to fuses, disposable batteries or to any product which has been misused, altered, neglected or damaged by accident or abnormal conditions of operation or handling.

  • Page 4: Table Of Contents

    Table of Contents 1. Safety Information ....................1 Safety Considerations ....................1 Measurement Category ....................3 Safety Terms and Symbols .................... 4 2. Quick Start ......................5 General Inspection ......................5 Install the Batteries ......................5 Adjusting the Tilt Stand ....................6 Power On ..........................
  • Page 5 5. To Connect with Mobile Device – Only for OW18B/OW18E ......18 Mobile App ........................18 How to Connect with Android Device ....................18 User Interface in mobile App .......................20 Operations in Android App ........................21 Multimeter Offline Record ........................23 6. To Connect with Computer – Only for OW18B/OW18E .........27 iMeter Connection ......................

  • Page 6: Safety Information

    1.Safety Information Safety Information Safety Considerations Before any operations, please read the following safety precautions to avoid any possible bodily injury and prevent damage to this product or any other products connected. To avoid any contingent danger, use this product only as specified.
  • Page 7 1.Safety Information When servicing the multimeter, use only the specified replacement parts.  Use caution when working above 60 V DC, 30 V AC RMS, or 42.4 V peak.  Such voltages pose a shock hazard. When using the test leads, keep your fingers behind the finger guards on the ...

  • Page 8: Measurement Category

    1.Safety Information Measurement Category The multimeter has a safety rating of 1000 V, CAT III and 600 V, CAT IV. Measurement category definition Measurement CAT I applies to measurements performed on circuits not directly connected to the AC mains. Examples are measurements on circuits not derived from the AC mains and specially protected (internal) mains- derived circuits.

  • Page 9: Safety Terms And Symbols

    1.Safety Information Safety Terms and Symbols Safety Terms Terms in this Manual. The following terms may appear in this manual: Warning: Warning indicates the conditions or practices that could result in personal injury or death. Caution: Caution indicates the conditions or practices that could result in damage to this product or other property.

  • Page 10: Quick Start

    2.Quick Start Quick Start General Inspection After you get a new multimeter, make a check on the instrument according to the following steps: 1. Check whether there is any damage caused by transportation. If it is found that the packaging carton or the foamed plastic protection cushion has suffered serious damage, do not throw it away first till the complete device and its accessories succeed in the electrical and mechanical property tests.

  • Page 11: Adjusting The Tilt Stand

    2.Quick Start (2) Lift the tilt stand and loosen the screws with a suitable Phillips screwdriver and remove the battery cover. (3) Observe the battery polarity indicated inside the battery compartment, Insert the batteries. (4) Place the battery cover back in its original position and tighten the screws. Caution: To avoid instruments being damage from battery leakage, always remove the batteries and store them separately if the multimeter is not going to be used for a long period.

  • Page 12: Selecting The Range

    2.Quick Start Selecting the Range  Auto ranging is set as default when the meter is powered on, displayed.  When auto ranging is enabled, press to enter the manual range mode.  In manual range, each additional press of sets the multimeter to the next higher range, unless it is already in the highest range, at which point the range switches to the lowest range.

  • Page 13: Rotary Switch

    2.Quick Start Description Details Display screen Page 9 ① Keypad Page 9 ② Rotary switch Page 8 ③ Input terminals Page 11 ④ Transistor test holes (only for specific Page 15 ⑤ models) LED indicator ⑥ Non-contact voltage detector (NCV) Page 14 ⑦...

  • Page 14: Keypad

    2.Quick Start For OW18D/OW18E: up to200 milliamperes. DC or AC current measurement * The model with function does not have the position. Keypad Description Details Select DC or AC Select Resistance/Continuity /Diode Auto/Manual range Page 7 Backlight & Flashlight Page 6 Data Hold Page 17 Select frequency/duty cycle...
  • Page 15 2.Quick Start Auto range Page 7 Sleep mode Page 7 Relative enabled Page 17 Data hold enabled Page 17 Diode test selected Page 13 Continuity test selected Page 13 Bluetooth enabled Page 18 Page 12 and Page 14 Measurement display ("OL"...

  • Page 16: Input Terminals

    2.Quick Start Resistance  Hertz Frequency Percent, Duty cycle Farad Capacitance Input terminals The terminal connections for the different measurement functions of the multimeter are described in the table below. Warning: Before starting any measurement, observe the rotary switch position of the multimeter, and then connect the test leads to the correct terminals.

  • Page 17: Making Measurements

    3.Making Measurements Making Measurements Measuring AC or DC Voltage Warning: Do not measure any voltage of over 1000 Vdc or 750 Vac rms to avoid instrument damage or electric shock. Do not apply more than 1000 Vdc or 750 Vac rms between the common terminal and the earth ground to avoid instrument damage or electric shock.

  • Page 18: Testing For Continuity

    3.Making Measurements Testing for Continuity Caution: To avoid possible damage to your multimeter or to the equipment under test, disconnect the circuit power and discharge all high-voltage capacitors before testing for continuity. (1) Rotate the rotary switch to . Press once to enter continuity testing mode, will be displayed.

  • Page 19: Measuring Frequency

    3.Making Measurements (3) Probe the test points and read the display. Measuring Frequency (1) Rotate the rotary switch to (2) Connect the black test lead to the terminal and the red test lead to the terminal. (3) Probe the test points and read the display. (4) Press to switch between the frequency and duty cycle measurements.

  • Page 20: Measuring Transistor - Only For Specific Models

    3.Making Measurements could mistakenly trigger NCV indication. (1) Rotate the rotary switch to (2) Test the NCV function on a known live circuit before use. (3) Place the top of the meter very close to the voltage source as shown in the figure.
  • Page 21 3.Making Measurements to enable and cycle through the manual ranges. If " " is displayed, it indicates the input exceeds the selected range and the rotary switch should be set to the position with higher range. (7) Turn off the power of the measured circuit and discharge all high-voltage capacitors.

  • Page 22: Multimeter Features

    4.Multimeter Features Multimeter Features Data Hold Mode (1) Press to freeze the display during measurement, will be shown on the display. (2) Press again to exit this mode. Making Relative Measurements When making relative measurements, reading is the difference between a stored reference value and the input signal.

  • Page 23: To Connect With Mobile Device - Only For Ow18B/Ow18E

    5.To Connect with Mobile Device – Only for OW18B/OW18E To Connect with Mobile Device – Only for OW18B/OW18E OW18B/OW18E supports communications with smart device through Bluetooth. You can use the free application software on the smart devices to monitor the measurements, perform remote control, view trending graphs, etc.
  • Page 24 5.To Connect with Mobile Device – Only for OW18B/OW18E (6) If the Bluetooth of the mobile device is not enabled, a prompt box will pop up at the bottom, indicating "Bluetooth is not turned on". You need to manually open the Bluetooth of the mobile device before connection can be made. (7) Active "Filter device"...

  • Page 25: User Interface In Mobile App

    5.To Connect with Mobile Device – Only for OW18B/OW18E User Interface in mobile App Measuring gear comparison table: Display Function Display Function DC voltage/current Capacitance measurement measurement AC voltage/current Frequency measurement measurement Resistance measurement DUTY Duty cycle measurement CONT On-off test TEMP Temperature measurement...

  • Page 26: Operations In Android App

    5.To Connect with Mobile Device – Only for OW18B/OW18E Display Function Display Function HOLD Holds or locks the current value REL Relative value AUTO Automatic measuring range Low battery Maximum holding Minimum holding Current value (only B41 model ) Operations in Android App ...
  • Page 27 5.To Connect with Mobile Device – Only for OW18B/OW18E button that slides out.Click on "OK" in the pop-up prompt to disconnect the multimeter. Remote Control : In single view, the control softkeys just as press the  corresponding keys of multimeter. Voice out function ...

  • Page 28: Multimeter Offline Record

    5.To Connect with Mobile Device – Only for OW18B/OW18E Multimeter Offline Record When measuring with OW18B/OW18E, you can use mobile device APP to send a command, the multimeter will start recording the measurements. After receiving the command, the connection will be disconnected automatically. The multimeter will record the measuring data in its own memory.
  • Page 29 5.To Connect with Mobile Device – Only for OW18B/OW18E Note: When the low battery indicator appears on the meter screen, the offline record function may not work correctly. Please check the batteries of the meter to ensure them in a good state. (1) Connect the Android device with the multimeter, see "How to Connect with Android Device"...
  • Page 30 5.To Connect with Mobile Device – Only for OW18B/OW18E (4) After completion of the record, to read the measuring data, reconnect the mobile device and the multimeter. (5) In APP view, tap on the icon on the lower left, enter the read record interface,under the interface click on the “...
  • Page 31 5.To Connect with Mobile Device – Only for OW18B/OW18E...

  • Page 32: To Connect With Computer - Only For Ow18B/Ow18E

    6.To Connect with Computer – Only for OW18B/OW18E To Connect with Computer – Only for OW18B/OW18E To connect the multimeter to a computer, a Bluetooth USB adapter should be plugged into the USB port of computer.  Use only the Bluetooth USB adapter (optional) supplied with the product. ...
  • Page 33 6.To Connect with Computer – Only for OW18B/OW18E (2) Click "Next". (3) Select "I accept the agreement", and then click "Next".
  • Page 34 6.To Connect with Computer – Only for OW18B/OW18E (4) Select the destination folder, and then click "Next". (5) Click "Install".
  • Page 35 6.To Connect with Computer – Only for OW18B/OW18E (6) Uncheck "View the Release Notes", and click "Finish" to exit Setup. Note: The driver cannot be automatically installed on Windows 7 64-bit operating system. If you need to manually install the driver, perform Step (7).
  • Page 36 6.To Connect with Computer – Only for OW18B/OW18E Under ports, if "TI CC2540 USB CDC Serial Port (COM#)" is displayed, that means the driver is installed successfully. Remember the “COM #” because you will need to configure the multimeterBLE software. Right click the unknown device icon, in the drop down menu, click "Update Driver Software...".
  • Page 37 6.To Connect with Computer – Only for OW18B/OW18E Select a directory path for the driver, and click "Next". After installing successfully, click "Close". In Device Manager, check if "TI CC2540 USB CDC Serial Port (COM#)" is displayed under Ports (COM & LPT). After the installation is complete, the correct driver name is displayed.
  • Page 38 6.To Connect with Computer – Only for OW18B/OW18E Open the ” pcMultimeter_Vxxx “folder and click Run the ” exe” file as shown below: Step 3: Connect to multimeterBLE software (1) After installing the Bluetooth USB adapter driver successfully, run the multimeterBLE software, the configure dialog box appears.
  • Page 39 6.To Connect with Computer – Only for OW18B/OW18E (2) Turn on the multimeter, press and hold until appear on the display. (3) Click softkey on the right, a Scan Devices dialog box appears. A progress bar shows the progress of scanning multimeters. It will take a few seconds. When the scan is finished, select the desired multimeter in the device list.
  • Page 40 6.To Connect with Computer – Only for OW18B/OW18E (4) The measurements will be shown if the connection is successful. You can tap on the softkey on the right to add another multimeter.

  • Page 41: User Interface In Multimeterble Software

    6.To Connect with Computer – Only for OW18B/OW18E User Interface in MultimeterBLE Software Function Description Table Display Function Display Function Direct Current Measuring Capacitance Alternating Current Measuring Frequency Measuring Measuring Duty Cycle Resistance Testing Diodes TEMP Measuring Temperature BEEP Testing for Continuity Non-contact Voltage Detect...

  • Page 42: Operations In Multimeterble Software

    6.To Connect with Computer – Only for OW18B/OW18E Operations in MultimeterBLE Software Add meter : In single or multi-device view, click softkey on the right.  Select meter : In single device view, scroll left or right to switch the meter ...
  • Page 43 6.To Connect with Computer – Only for OW18B/OW18E record for a long time without staff on duty, while reducing Bluetooth consumption to conserve the battery power of the multimeter. Note: When the low battery indicator appears on the meter screen, the offline record function may not work correctly.
  • Page 44 6.To Connect with Computer – Only for OW18B/OW18E (6) Click "Read Record", the software will read the measuring data and save as a CSV file into computer. After reading, the dialog is as below: (7) Click "Open Directory" to open the directory where the CSV files are saved.

  • Page 45: Technical Specifications

    7.Technical Specifications Technical Specifications All these specifications apply to the multimeter unless otherwise explanation. Standard conditions: The environment temperature is 18℃ to 28℃, the relative humidity is less than 80%. Note: When measuring AC voltage/current or capacitance, accuracy guarantee range is 5% to 100% of the range. OW18D/OW18E multimeter Measurement Resolution...
  • Page 46 7.Technical Specifications 1Ω 20.000kΩ 10Ω 200.00kΩ ±(0.3%+1dig) 100Ω 2.0000MΩ 1kΩ 20.000MΩ ±(0.5%+1dig) 200.00MΩ 10kΩ ±(5.0%+10dig) 2.0000nF 0.1pF 20.000nF 10pF 200.00nF 2.0000μF 100pF Capacitance (F) ±(3.0%+10dig) 20.000μF 10nF 200.00μF 100nF 2.0000mF 20.000mF 1μF 200.00Hz 0.01Hz 2.0000kHz 0.1Hz 20.000kHz Frequency (Hz) ±(0.1%+4dig) 200.00kHz 10Hz 0.1kHz...
  • Page 47 7.Technical Specifications OW18A/OW18B multimeter Function Measurement Range Resolu-tion Function 60.00mV/600.0mV 0.01mV ±(0.5%+2dig) DC Voltage 600.0mV/6.000V/60.00V/600.0V 0.1mV 1000V ±(0.8%+2dig) 600.0mV 0.01mV ±(0.8%+3dig) 600.0mV 0.1 mV ±(2%+5dig) AC Voltage 6.000V/60.00V/600.0V ±(0.8%+3dig) 750V ±(1%+3dig) μA 600.0μA/6000μA 0.1μA ±(0.8%+2dig) DC Current 60.00mA/600.0mA 0.01mA ±(0.8%+2dig) 20.00A 0.01A ±(1.2%+3dig)
  • Page 48 7.Technical Specifications should be over 30 seconds. When measuring frequency, the typical waveform is Square or Sine. The signal meets the following conditions. Frequency Amplitude (rms) 1 Hz – 5 MHz ≥ 700 mV When measuring duty cycle, the typical waveform is Square. Note : when measuring resistance and capacitance, the influence of the resistance reactance of the pen itself on the measured value should be considered.

  • Page 49: Appendix

    8.Appendix Appendix Appendix A: Enclosure Standard Accessories: K-type Bolt driver Multimeter Leads Quick guide 9V battery (6F22) thermocouple Alligator Clips (only for OW18B/OW18E) Options: Bluetooth USB adapter to PC (only for OW18B/OW18E) Appendix B: General Care and Cleaning Warning: To avoid electrical shock or damage to the multimeter, ensure that the insides of the casing stay dry at all times.
  • Page 50 8.Appendix cleaning agent. Dirt or moisture in the terminals can distort readings. Follow the steps below to clean your multimeter. 1. Turn the multimeter off and remove the test leads. 2. Turn the multimeter over and shake out the dirt in the terminals. 3.

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