Owon B35 Manual
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General Warranty
OWON 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 OWON 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.
If the product proves defective during the warranty period, OWON either will repair the
defective product without charge for parts and labor, or will provide a replacement in
exchange for the defective product. Parts, modules and replacement products used by
OWON for warranty work may be new or reconditioned like new performance. All
replaced parts, modules and products become the property of OWON.
In order to obtain service under this warranty, customer must notify OWON of the defect
before the expiration of the warranty period. Customer shall be responsible for
packaging and shipping the defective product to the service center designated by OWON,
and with a copy of customer proof of purchase.
This warranty shall not apply to any defect, failure or damage caused by improper use or
improper or inadequate maintenance and care. OWON shall not be obligated to furnish
service under this warranty a) to repair damage resulting from attempts by personnel
other than OWON representatives to install, repair or service the product; b) to repair
damage resulting from improper use or connection to incompatible equipment; c) to
repair any damage or malfunction caused by the use of non-OWON supplies; or d) to
service a product that has been modified or integrated with other products when the
effect of such modification or integration increases the time or difficulty of servicing the
product.
Please contact the nearest OWON's Sales and Service Offices for services or a complete
copy of the warranty statement.
For better after-sales service, please visit
www.owon.com.cn
and register the purchased
product online.
Excepting the after-sales services provided in this summary or the applicable warranty statements,
OWON will not offer any guarantee for maintenance definitely declared or hinted, including but not
limited to the implied guarantee for marketability and special-purpose acceptability. OWON should
not take any responsibilities for any indirect, special or consequent damages.
For more details, please refer to the user manual, it can be downloaded at
www.owon.com.cn
.

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Summary of Contents for Owon B35

  • Page 1 1 year from the date of purchase of the product by the original purchaser from the OWON 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 2: Safety Information

    1.Safety Information 1. 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 3 1.Safety Information When measuring current, turn off the circuit power before connecting  the multimeter in the circuit. Remember to place the multimeter in series with the circuit. 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. ...
  • Page 4: Measurement Category

    1.Safety Information Measurement Category The multimeter has a safety rating of 1000 V, CAT III. 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.
  • Page 5: Multimeter In Brief

    ① Keypad ② Rotary switch ③ Input terminals ④ Figure 2-1 Front panel overview (B35 shown) Rotary switch Position Description Power off DC or AC voltage measurement DC or AC voltage measurement (up to 600 millivolts) Continuity test Capacitance measurement...
  • Page 6: Key Description

    2.Multimeter in Brief Resistance measurement Frequency measurement Transistor measurement — Not available on B41T(+) Temperature measurement DC or AC current measurement (up to 600 microamperes) DC or AC current measurement (up to 600 milliamperes) DC or AC current measurement Keypad Description Select function: Select DC or AC...
  • Page 7: Display Screen

    2.Multimeter in Brief Display screen Figure 2-2 Display screen Symbol Description Bluetooth enabled Auto range Maximum reading Minimum reading Data hold enabled Relative enabled Diode test selected Continuity test selected Battery is low...
  • Page 8: Input Terminals

    2.Multimeter in Brief Measurement display ("OL" is short for overload, indicates the reading exceeds the display range) Measuring units Analog bar graph 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 9 2.Multimeter in Brief 1A/250V, fast-acting fuse 20A/250V, fast-acting fuse Input terminals on B41T(+) Rotary switch position Input terminals Overload protection 750 VAC/1000 VDC 250 VDC or Equivalent voltage RMS 250 VAC or Equivalent voltage RMS 250 VDC or Equivalent voltage RMS 1A/250V, fast-acting fuse 20A/250V, fast-acting...
  • Page 10: Multimeter Features

    3.Multimeter Features 3. 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. Note: This function is not available when measuring diodes and transistor. Capturing Max.
  • Page 11: Buzzer Feature

    4.Bluetooth Function –only for the model with Bluetooth In relative measurement, the manual range mode will be activated automatically. (The relative measurement should be carried out under a certain range, that is, this function is only available under the manual range mode.) Analog bar graph is not displayed.
  • Page 12 4.Bluetooth Function –only for the model with Bluetooth If the Bluetooth function is not activated, a dialog box will ask whether to turn on Bluetooth. Click "Yes". Click to scan for Bluetooth devices. Click "BDM" in the device list to pair.
  • Page 13: How To Connect With Ios Device

    4.Bluetooth Function –only for the model with Bluetooth How to Connect with iOS Device Install the free application software for iOS on your iOS smart device. Launch the application If the Bluetooth function is not activated, a dialog box will prompt you to turn on Bluetooth. Tap on "Settings". Turn on Bluetooth, and return to the multimeter APP.
  • Page 14: How To Connect With Computer

    How to Connect with Computer – only for B35(T)+ or B41T(+) To connect the multimeter to a computer, a Bluetooth USB dongle should be plugged into the USB port of computer.
  • Page 15 4.Bluetooth Function –only for the model with Bluetooth Click "Next". Select "I accept the agreement", and then click "Next".
  • Page 16 4.Bluetooth Function –only for the model with Bluetooth Select the destination folder, and then click "Next". Click "Install".
  • Page 17 4.Bluetooth Function –only for the model with Bluetooth Uncheck "View the Release Notes", and click "Finish" to exit Setup. Plug the Bluetooth USB dongle into a USB port on your computer. Right click [Computer], you can find it on the desktop, or in [Start] menu. In the drop down menu, click on [Manage], the “Computer Management”...
  • Page 18 4.Bluetooth Function –only for the model with Bluetooth Click on “Device Manager” on the left hand side. On the right hand side, double click on “Ports (COM & LPT)”. Under ports, if "TI CC2540 USB CDC Serial Port (COM#)" is displayed, that means the driver is installed successfully.
  • Page 19 4.Bluetooth Function –only for the model with Bluetooth Select "Browse my computer for driver software". 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 &...
  • Page 20 4.Bluetooth Function –only for the model with Bluetooth Step 3: Connect to multimeterBLE software After installing the Bluetooth USB dongle driver successfully, run the multimeterBLE software, the configure dialog box appears. Make sure that the Bluetooth USB dongle is plugged into the computer. To find the “Port”...
  • Page 21 4.Bluetooth Function –only for the model with Bluetooth 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 22 5.Multimeter Offline Record – the "+" model only 5. Multimeter Offline Record – the "+" model only When measuring using the multimeter with offline record function, you can use Android/iOS device APP or PC software to send a command, the multimeter will start recording the measurements.
  • Page 23 5.Multimeter Offline Record – the "+" model only The Android device will disconnect with the multimeter in two seconds. After disconnecting, the Bluetooth of the multimeter is in low-power state. The information will be shown on APP: The multimeter will record the current measurements and store in the memory.
  • Page 24 5.Multimeter Offline Record – the "+" model only Offline Record for iOS Device Connect the iOS device with the multimeter, see "How to Connect with iOS Device" on P12. In APP device view, tap on the softkey on the right, select "Record setting"...
  • Page 25 5.Multimeter Offline Record – the "+" model only The file name start with "Offline", the following part can be customized. Tap on "Read data", APP will read the measuring data and save as a CSV file into the iOS device. After reading, display as below: Tap on "Display data", the data will be displayed in Data Graph and Table interface.
  • Page 26 5.Multimeter Offline Record – the "+" model only Click "start offline record". The memory in the multimeter can only store the recording data of one time. When start to record, the earlier offline record stored in the multimeter will be overwritten. After completion of the record, the Bluetooth of the multimeter will be disabled automatically, and the Bluetooth symbol on the multimeter screen will disappear.
  • Page 27: Appendix A: Enclosure

    6.Appendix 6. Appendix Appendix A: Enclosure Standard Accessories: Test lead Crocodile clip Multi-functional K-type Quick Guide test socket thermocouple (Not available for B41T(+)) Soft Bag Options: Thin-tipped test lead Bluetooth USB dongle...
  • Page 28: Appendix B: General Care And Cleaning

    6.Appendix 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. Cleaning To clean the instrument exterior, perform the following steps: Wipe the dust from the instrument surface with a soft cloth. Do not make any scuffing on the screen when clean the LCD.

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