BSIDE U0 Fully Automatic Digital Multimeter

1. Introduction

The BSIDE U0 is a versatile and fully automatic digital multimeter, open jaw clamp meter, and voltage detector, designed for quick and efficient electrical measurements. Its compact size and automatic recognition features make it ideal for both professional electricians and beginners, especially in confined spaces. This manual provides essential information for safe and effective operation, setup, and maintenance of your device.

2. Safety Information

Always adhere to the following safety precautions to prevent personal injury or damage to the meter or equipment under test:

• Do not exceed the maximum input limits specified for each measurement range.
• Exercise extreme caution when working with voltages above 30V AC RMS, 42V peak, or 60V DC. Such voltages pose a shock hazard.
• Before measuring current, ensure the circuit is de-energized and the meter is connected in series. For clamp measurements, ensure the jaw is fully closed around a single conductor.
• Do not use the meter if it appears damaged or if the insulation on the test leads is compromised.
• Always disconnect the test leads from the circuit before changing functions or ranges.
• Do not operate the meter in explosive gas, vapor, or dust environments.
• Refer to the specifications section for detailed measurement accuracy and safety standards (CE, CATIII 600V).

3. Package Contents

Verify that all items are present in the package:

• Open Jaw Voltage Current Tester (BSIDE U0)
• Test Leads (Red and Black)
• Charging Cable (USB)
• Back Probe Pins (2 pieces)
• User Manual

Figure 3.1: Contents of the BSIDE U0 package, including the meter, test leads, charging cable, and back probe pins.

4. Product Features

The BSIDE U0 Multimeter offers a range of advanced features for efficient and safe electrical testing:

• Fully Automatic Operation: Automatically recognizes AC/DC voltage, resistance, and continuity. Simplifies testing by eliminating manual range selection.
• Open Jaw Design: Allows for non-contact AC/DC current testing up to 100A without breaking the circuit or inserting the meter in series.
• Compact and Portable: Mini size ideal for quick checks and use in narrow or hard-to-access spaces.
• Large Color LCD Display: Provides clear, stable, and accurate readings with large digits for easy visibility.
• Rechargeable Li-ion Battery: Built-in rechargeable battery ensures long hours of operation.
• Integrated LED Flashlight: Assists with visibility in dark working environments.
• NCV (Non-Contact Voltage) Detection: Detects AC voltage without physical contact, with adjustable sensitivity and buzzer alarm.
• Live Wire Search: Identifies live wires using either non-contact method or a single test lead.
• Zero Function: Essential for accurate DC current measurements to prevent offsets caused by electromagnetic fields.
• Safety Compliance: Meets CE standards and CATIII 600V safety regulations.

5. Setup

Before first use, ensure the device is fully charged and understand its basic components.

5.1 Charging the Battery

The BSIDE U0 comes with a built-in rechargeable Li-ion battery. Use the provided USB charging cable to charge the device.

1. Connect the small end of the charging cable to the charging port on the side of the multimeter.
2. Connect the other end of the USB cable to a standard USB power adapter (e.g., phone charger, computer USB port).
3. The battery indicator on the display will show charging status. Charge until the indicator shows a full battery.

Figure 5.1: Charging the BSIDE U0 Multimeter using the provided USB cable.

5.2 Connecting Test Leads (for contact measurements)

For measurements requiring direct contact, connect the test leads as follows:

• Insert the black test lead into the "COM" (Common) input jack.
• Insert the red test lead into the "INPUT" jack.

Figure 5.2: Proper connection of test leads to the BSIDE U0 Multimeter.

6. Operating Instructions

The BSIDE U0 is designed for fully automatic operation, simplifying most measurements.

6.1 Power On/Off

• Press the Power button () to turn the meter on.
• The meter will automatically enter "AUTO" mode, ready to measure AC/DC voltage, resistance, and continuity.
• Press and hold the Power button to turn the meter off. The meter also features an auto power-off function after 15 minutes of inactivity.

Figure 6.1: The main display and control buttons of the BSIDE U0.

6.2 Automatic Measurement (Voltage, Resistance, Continuity)

In "AUTO" mode, the meter intelligently identifies the type of measurement:

• Voltage Measurement: Connect the test leads across the circuit or component. The meter will display AC or DC voltage automatically.
• Resistance Measurement: Ensure the circuit is de-energized. Connect the test leads across the resistor or component.
• Continuity Test: Ensure the circuit is de-energized. Connect the test leads across the points to be tested. A buzzer will sound if the resistance is less than 50Ω.

6.3 AC/DC Current Measurement (Open Jaw)

The open jaw design allows for non-contact current measurement. This is particularly useful for quick checks without breaking the circuit.

1. Press the "A=" / "A~" button to switch to current measurement mode. The display will show "A=" for DC current or "A~" for AC current.
2. For DC current, press the "ZERO" button before measurement to eliminate any offsets caused by the Earth's electromagnetic field.
3. Place the single conductor (wire) to be measured within the open jaw of the meter. Ensure only one conductor is inside the jaw for accurate readings.
4. Read the current value on the display.

Figure 6.2: Measuring AC current using the open jaw feature.

Figure 6.3: Measuring DC current using the open jaw feature in an automotive setting.

6.4 NCV (Non-Contact Voltage) Detection

The NCV function allows you to detect the presence of AC voltage without making physical contact with the conductor.

1. Press the "NCV" button to activate NCV mode.
2. Bring the top end of the meter (where the NCV sensor is located) close to the conductor or outlet.
3. The meter will beep and the LED indicator will flash with increasing frequency as it detects higher voltage or closer proximity to a live wire.

Figure 6.4: Using the NCV function to detect non-contact voltage.

6.5 Live Wire Search

This function helps identify live wires.

• Press the "LIVE" button to activate Live Wire Search mode.
• You can use this function non-contact (similar to NCV) or by inserting the red test lead into the "INPUT" jack and touching the probe to the conductor. The display will indicate "LIVE" and an alarm will sound if a live wire is detected.

6.6 LED Flashlight

To activate the built-in LED flashlight for working in dimly lit areas:

• Press the Flashlight button ().
• Press again to turn it off.

Figure 6.5: Using the integrated LED flashlight.

7. Maintenance

Proper maintenance ensures the longevity and accuracy of your BSIDE U0 Multimeter.

7.1 Cleaning

• Wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents.
• Keep the input terminals and open jaw clean and free of dust or debris.

7.2 Battery Care

• Recharge the battery when the low battery indicator appears on the display.
• If storing the meter for an extended period, charge it periodically to maintain battery health.

7.3 Storage

• Store the meter in a cool, dry place, away from direct sunlight and extreme temperatures.
• Keep the meter and accessories in their original packaging or a protective case when not in use.

8. Troubleshooting

If you encounter issues with your BSIDE U0 Multimeter, refer to the following common problems and solutions:

If the problem persists after trying these solutions, please contact customer support.

9. Specifications

Detailed technical specifications for the BSIDE U0 Multimeter:

10. Warranty and Support

For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official BSIDE website. Keep your purchase receipt as proof of purchase for any warranty claims.