MiBoce Digital Insulation Resistance Tester

1. Introducció

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. Informació de seguretat

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.

• Vol. Alttage Advertència: Aquest dispositiu genera un alt volumtage during insulation resistance tests. Always ensure proper connections and never touch test leads or the circuit under test during operation.
• Seguretat de la bateria: Do not mix old and new batteries. Ensure correct battery polarity during installation. Do not operate the instrument with the battery compartment open.
• Condicions ambientals: Use the instrument within specified environmental limits (temperature, humidity). Avoid using in wet or explosive atmospheres.
• Inspecció: Before each use, inspect the instrument and test leads for any damage. Do not use if damaged.
• Personal qualificat: Only qualified personnel should perform electrical measurements and maintenance.

3. Característiques del producte

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

• Prova Voltages: Selectable test voltages of 100V, 250V, 500V, and 1000V.
• Interval automàtic: Automatic ranging for insulation resistance measurements.
• Emmagatzematge de dades: 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.
• Retroil·luminació LCD: Garanteix una visibilitat clara de les lectures en diverses condicions d'il·luminació.
• Analog Bar Graph: 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.
• Vol. Alttage Indicació: Visual indicator when high voltage is present at the test leads.
• Timing Measurement: Supports timed insulation resistance tests, typically around 30 minutes.
• Apagat automàtic: Conserves battery life by automatically shutting down after a period of inactivity.
• Indicació de bateria baixa: Alerts the user when batteries need replacement.

4. Configuració

4.1 Instal·lació de la bateria

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. Localitzeu el compartiment de la bateria a la part posterior de la unitat.
3. Obriu la tapa del compartiment de la bateria.
4. Insert 8 LR14 batteries, paying close attention to the correct polarity (+/-) as indicated inside the compartment.
5. Tanqueu bé la tapa del compartiment de la bateria.

Descripció de la imatge: 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 Connexió dels cables de prova

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: Per al voltage mesures.
• EARTH Terminal: Ground connection for insulation resistance tests.
• Terminal COM: Common terminal for various measurements.
• LINE A Terminal: Line connection for insulation resistance tests.

Descripció de la imatge: Aquesta imatge ofereix un detall 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. Instruccions de funcionament

5.1 Engegada/apagada

Premeu el botó ON/OFF button to power the instrument on or off.

5.2 Mostra finalview

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

Descripció de la imatge: 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 Mesura de la resistència d'aïllament

1. Connect the test leads to the circuit under test (e.g., LINE A and EARTH terminals).
2. Seleccioneu el vol de prova desitjattage (100V, 250V, 500V, or 1000V) using the appropriate buttons.
3. Premeu el botó PROVA button to initiate the measurement. The high voltagL'indicador s'il·luminarà.
4. Read the insulation resistance value on the LCD. The analog bar graph provides a visual trend.
5. Premeu E-STOP or release the PROVA 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 Emmagatzematge i recuperació de dades

Utilitza el DESA button to store current measurement data. The CÀRREGA button allows you to recall previously saved data.

5.6 DC/AC Voltage Mesura

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. Manteniment

6.1 Neteja

Netegeu la superfície c de l'instrumentasing amb un suau, damp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the instrument.

6.2 Substitució de la bateria

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 Emmagatzematge

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. Solució De Problemes

• L'instrument no s'encén: Comproveu la instal·lació de les piles i assegureu-vos que les piles siguin noves.
• Sense lectura o 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 bateria baixa: Replace all 8 LR14 batteries.
• Vol. Alttage warning remains after test: Ensure the circuit has been fully discharged. Do not touch test leads until the high voltage indicator is off.

8. Especificacions

Descripció de la imatge: 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. Garantia i Suport

Specific warranty information and customer support contact details are not provided within this manual. Please refer to the product packaging or the seller's weblloc web per conèixer els termes de la garantia i les opcions d'assistència.