1. Introduction
The Vici VC60B+ is a digital insulation resistance tester, also known as a megohmmeter, designed for precise measurement of insulation resistance, AC/DC voltage, and low resistance. It is an essential tool for testing insulation in electrical systems, cables, electromechanical equipment, and telecommunication facilities. This instrument features a high voltage sound and light alarm, short circuit buzzer alarm, backlight display, and data retention for enhanced usability and safety.
Image: Introduction to the VC60B+ Insulation Resistance Tester, highlighting key features like high voltage alarm, backlight, and data retention.
2. Safety Information
WARNING: To avoid electric shock or personal injury, please read and understand all instructions in this manual before using the instrument. Improper use can cause damage to the instrument or severe injury.
- Always ensure the instrument is in good working condition before use.
- Do not use the instrument if it appears damaged or if the test leads are compromised.
- Observe all safety precautions for working with high voltage.
- The device is rated CAT II 600V. Adhere to this rating and do not exceed it.
- Keep hands and fingers away from the test probes when high voltage is present.
- Always disconnect power to the circuit under test before making connections for resistance measurements.
- Replace batteries promptly when the low battery indicator appears.
Image: CE Certificates confirming the product's compliance with European safety standards.
3. Package Contents
Verify that all items are present and undamaged upon unpacking:
- Vici VC60B+ Digital Insulation Resistance Tester
- Test Leads (Red and Black)
- Shoulder Strap
- Operation Manual
- Color Box Packaging
- Optional: Power Adapter (may vary by package)
Image: Contents of the VC60B+ package, including the tester, test leads, manual, and optional power adapter.
4. Product Overview
Familiarize yourself with the components of your VC60B+ tester:
Image: Front panel layout of the VC60B+ showing the LCD screen, rotary switch, buttons, and input jacks.
- LCD Screen: Displays measurement readings, units, and status indicators.
- Power Range Selection Switch: Rotary switch to select test voltage (OFF, 250V, 500V, 1000V) or voltage measurement (750V~, 1000V=).
- Test Button: Press to initiate an insulation resistance test.
- HOLD Button: Press to hold the current reading on the display.
- Backlight Button: Toggles the display backlight on/off.
- Input Jacks:
- E (Earth) Terminal: Socket connected to the tested object (ground).
- G (Guard) Terminal: Protection terminal jack.
- V/Ω Terminal: Voltage test resistance below 2KΩ and break-make test input positive end.
- L (Line) Terminal: Connect to the ground terminal jack of the tested line.
Image: Side view of the VC60B+ highlighting anti-slip grooves, back strap buckle ears, and the DC9V power socket.
- Anti-slip Groove Design: Prevents hands from slipping during operation.
- Back Strap Buckle Ears: For attaching the included shoulder strap.
- DC9V Power Socket: For connecting an optional DC9V power adapter.
5. Setup
5.1 Battery Installation
The VC60B+ requires 6 AA batteries for operation. To install or replace batteries:
- Ensure the power range selection switch is in the 'OFF' position.
- Locate the battery compartment on the back of the unit.
- Unscrew the battery rear cover screw and remove the cover.
- Insert 6 AA batteries, observing correct polarity (+/-).
- Replace the battery cover and secure it with the screw.
Image: Rear view of the VC60B+ showing the battery compartment and battery buckle.
5.2 Connecting Test Leads
Connect the red and black test leads to the appropriate input jacks on the front panel based on the measurement type.
- For insulation resistance tests, connect the red lead to the 'V/Ω' terminal and the black lead to the 'E' terminal.
- For voltage measurements, connect the red lead to the 'V/Ω' terminal and the black lead to the 'E' terminal.
6. Operating Instructions
6.1 Power On/Off
Rotate the power range selection switch from 'OFF' to any desired measurement function to power on the device. To power off, rotate the switch back to 'OFF'.
6.2 Insulation Resistance Measurement (Megohmmeter Function)
- Ensure the circuit under test is de-energized and safely discharged.
- Connect the red test lead to the 'V/Ω' terminal and the black test lead to the 'E' terminal.
- Connect the test leads to the circuit or component you wish to test.
- Rotate the power range selection switch to the desired test voltage (250V, 500V, or 1000V) and resistance range (200MΩ or 2000MΩ).
- Press and hold the 'PRESS TO TEST' button. The instrument will apply the selected test voltage and display the insulation resistance.
- Release the 'PRESS TO TEST' button to stop the test. The reading will remain on the display if 'HOLD' is active.
- Observe the high voltage sound and light alarm if a short circuit or low resistance is detected.
Image: VC60B+ performing an insulation resistance test, showing a reading of 100.8 MΩ at 250V.
6.3 AC/DC Voltage Measurement
- Connect the red test lead to the 'V/Ω' terminal and the black test lead to the 'E' terminal.
- Rotate the power range selection switch to '750V~' for AC voltage or '1000V=' for DC voltage.
- Connect the test leads across the voltage source to be measured.
- The voltage reading will be displayed on the LCD screen.
Image: VC60B+ displaying a voltage measurement of 000 V.
6.4 Data Hold Function
During any measurement, press the 'HOLD' button to freeze the current reading on the display. Press it again to release the hold function and resume live readings.
6.5 Backlight Function
Press the 'Backlight' button to turn the LCD backlight on or off, useful for working in dimly lit environments.
7. Maintenance
- Cleaning: Wipe the instrument with a dry, soft cloth. Do not use abrasives or solvents.
- Storage: Store the instrument in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, remove the batteries to prevent leakage.
- Battery Replacement: Replace all batteries when the low battery indicator appears on the display to ensure accurate measurements.
- Test Leads: Inspect test leads regularly for any signs of damage, such as cracks or frayed insulation. Replace damaged leads immediately.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display or faint display | Dead or low batteries | Replace batteries. |
| Incorrect readings | Poor test lead connection, incorrect range selection, or faulty test leads. | Check test lead connections, ensure correct range is selected, replace test leads if damaged. |
| High voltage alarm sounds continuously | Short circuit or very low resistance detected. | Immediately stop testing and investigate the circuit for faults. |
| Unit does not respond | Internal fault or severe battery depletion. | Replace batteries. If problem persists, contact customer support. |
9. Specifications
| Feature | Specification |
|---|---|
| Model | VC60B+ |
| Insulation Test Voltages | 250V, 500V, 1000V |
| Insulation Resistance Range | 200MΩ, 2000MΩ |
| AC Voltage Test | Up to 750V |
| DC Voltage Test | Up to 1000V |
| Safety Rating | CAT II 600V, CE Certified |
| Display | LCD with Backlight |
| Power Source | 6 x AA Batteries or DC9V Adapter (optional) |
| Dimensions (L x W x H) | 176mm x 116mm x 63mm (approx. 6.9 x 4.6 x 2.5 inches) |
| Weight | 0.83 kg (approx. 1.83 lbs) |
Image: VC60B+ with key dimensions indicated.
10. User Tips
- For stable readings during insulation tests, ensure the test leads are firmly connected and the instrument is held steady.
- Always start with the lowest test voltage setting if you are unsure of the expected insulation resistance, and increase gradually if needed.
- Utilize the 'HOLD' function to record readings in hard-to-reach areas or when precise observation is required.
- The backlight is very useful in dark environments, but remember to turn it off when not needed to conserve battery life.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
