MiBoce Digital Insulation Resistance Tester

1. Introdución

This manual provides essential information for the safe and effective operation of your MiBoce Digital Insulation Resistance Tester. This intelligent instrument utilizes microcomputer technology, large-scale integrated circuits, and digital circuits to provide powerful measurement and data processing capabilities. It is designed for measuring insulation resistance, voltage, and low resistance, making it suitable for on-site power equipment and power supply line inspection and maintenance.

2. Información de seguridade

Please read and understand all safety warnings and operating instructions before using this instrument. Failure to follow these instructions may result in electric shock, fire, or damage to the instrument.

• Alto VoltagAviso: This device generates high voltage during insulation resistance tests. Always ensure proper connections and never touch test leads or the circuit under test during operation.
• Seguridade da batería: Do not mix old and new batteries. Ensure correct battery polarity during installation. Do not operate the instrument with the battery compartment open.
• Condicións ambientais: Use the instrument within specified environmental limits (temperature, humidity). Avoid using in wet or explosive atmospheres.
• Inspección: Before each use, inspect the instrument and test leads for any damage. Do not use if damaged.
• Persoal cualificado: Only qualified personnel should perform electrical measurements and maintenance.

3. Características do produto

The MiBoce Digital Insulation Resistance Tester offers a range of features designed for efficient and accurate measurements:

• Test Voltages: Volume de proba seleccionabletages of 100V, 250V, 500V, and 1000V.
• Rango automático: Automatic ranging for insulation resistance measurements.
• Almacenamento de datos: Capability to store measurement data for later review.
• Comparison Measurement: Allows for comparison of current readings against a set reference.
• Polarization Index (PI) Measurement: Automatically calculates the PI ratio based on timed measurements.
• Dielectric Absorption Ratio (DAR) Measurement: Automatically calculates the DAR ratio.
• Retroiluminación LCD: Garante unha visibilidade clara das lecturas en diversas condicións de iluminación.
• Gráfico de barras analóxico: A 30-segment analog bar graph provides a quick visual indication of resistance trends.
• Over-range Warning: Alerts the user when measurements exceed the instrument's range.
• Alto Voltage Indicación: Visual indicator when high voltage is present at the test leads.
• Timing Measurement: Supports timed insulation resistance tests, typically around 30 minutes.
• Apagado automático: Conserva a duración da batería ao apagarse automaticamente despois dun período de inactividade.
• Indicación de batería baixa: Avisa ao usuario cando é necesario substituír as baterías.

4. Configuración

4.1 Instalación da batería

The instrument requires 8 x 1.5V LR14 batteries (not included). To install or replace batteries:

1. Ensure the instrument is powered off and all test leads are disconnected.
2. Localice o compartimento da batería na parte traseira da unidade.
3. Abra a tapa do compartimento da batería.
4. Insert 8 LR14 batteries, paying close attention to the correct polarity (+/-) as indicated inside the compartment.
5. Pecha a tapa do compartimento da batería de forma segura.

Descrición da imaxe: This image shows the underside of the MiBoce Digital Insulation Resistance Tester with the battery compartment cover removed, revealing the slots for eight LR14 batteries. This illustrates the correct location for battery installation.

4.2 Conexión dos cables de proba

The instrument comes with standard accessories including two single-plug test leads with clips (black and green) and one two-plug test lead with a clip (red). Connect the test leads to the appropriate terminals on the front panel:

• V Terminal: Para o voltage medidas.
• EARTH Terminal: Ground connection for insulation resistance tests.
• Terminal COM: Common terminal for various measurements.
• LINE A Terminal: Line connection for insulation resistance tests.

Descrición da imaxe: Esta imaxe ofrece información detallada view of the input terminals (V, EARTH, COM, LINE A) on the top panel of the tester, crucial for connecting test leads. It also shows the side panel with a trap door, adapter jack button, and USB insertion hole, indicating connectivity options.

5. Instrucións de funcionamento

5.1 Acendido/Apagado

Preme o ON/OFF button to power the instrument on or off.

5.2 Mostrar máisview

The large LCD provides clear readings and various indicators. The backlight can be activated for improved visibility.

Descrición da imaxe: This image focuses on the LCD display of the tester, showing measurement data, function symbols, and a clear digital readout. The display indicates a 100V test voltage, resistance in MΩ, and a timer, demonstrating the clarity provided by the backlight.

5.3 Medición da resistencia de illamento

1. Connect the test leads to the circuit under test (e.g., LINE A and EARTH terminals).
2. Seleccione o vol de proba desexadotage (100V, 250V, 500V, or 1000V) using the appropriate buttons.
3. Preme o PROBA button to initiate the measurement. The high voltago indicador iluminarase.
4. Read the insulation resistance value on the LCD. The analog bar graph provides a visual trend.
5. Preme E-STOP or release the PROBA button to stop the measurement and discharge the circuit.

5.4 PI and DAR Measurement

The instrument can automatically calculate Polarization Index (PI) and Dielectric Absorption Ratio (DAR). Refer to the on-screen prompts and specific buttons for these functions.

5.5 Almacenamento e recuperación de datos

Usa o GARDAR button to store current measurement data. The CARGA button allows you to recall previously saved data.

5.6 Volt CC / CAtage Medición

Connect the test leads to the circuit. Select the DCV/ACV mode to measure DC or AC voltage up to 1000V DC or 750V AC.

6. Mantemento

6.1 Limpeza

Wipe the instrument's casing cun suave, damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the instrument.

6.2 Substitución da batería

When the low battery indicator appears on the display, replace all 8 LR14 batteries as described in Section 4.1. Remove batteries if the instrument will not be used for an extended period.

6.3 Almacenamento

Store the instrument in a cool, dry place, away from direct sunlight and extreme temperatures. Keep it in its original packaging or a protective case to prevent damage.

7 Solución de problemas

• Instrument does not power on: Comprobe a instalación das baterías e asegúrese de que as baterías estean novas.
• Sen lectura ou lectura inestable: Ensure test leads are securely connected to both the instrument and the circuit under test. Check for damaged leads.
• "OL" or Over-range indication: The measured value exceeds the instrument's maximum range for the selected test voltage. This may indicate an open circuit or extremely high resistance.
• Indicador de batería baixa: Replace all 8 LR14 batteries.
• Vol. Altotage warning remains after test: Ensure the circuit has been fully discharged. Do not touch test leads until the high voltage indicator is off.

8. Especificacións

Descrición da imaxe: This image displays the MiBoce Digital Insulation Resistance Tester from an angled front view, highlighting its physical dimensions: 202mm in height, 155mm in width, and 94mm in depth. This provides a clear visual reference for the product's size.

9. Garantía e soporte

Specific warranty information and customer support contact details are not provided within this manual. Please refer to the product packaging or the seller's website for warranty terms and support options.