1. Introducció
The Benetech GM3123 is a digital high voltage insulation resistance tester designed for accurate and safe measurement of insulation resistance. It incorporates advanced features for reliable performance in various electrical testing environments.
Característiques principals:
- Automatic discharge function for enhanced operational safety.
- LCD backlight for clear digital reading display in various lighting conditions.
- Live circuit warning symbols with audible alerts to prevent accidental contact.
- Automatic power-off function after 10 minutes of inactivity to conserve battery life.
- Timer measurement function for precise testing durations.
- Low battery indicator to ensure uninterrupted operation.
- Polarization Index (PI) measurement capability.
- Compatible with 12V DC adapter (12V/1A).
Image: The GM3123 High Voltage Insulation Tester (right) shown alongside the GM3125 model (left), highlighting the automatic discharge function for safer operation.
2. Producte acabatview
Familiarize yourself with the components and controls of the GM3123 Insulation Tester.
Image: Detailed diagram illustrating the various parts and controls of the GM3123 High Voltage Tester d'aïllament.
Panell d'Introducció:
- Pantalla LCD
- Botó de fixació de l'hora
- Botó de retroil·luminació
- Botó de prova
- Function switch (Rotary dial for selecting test voltage and AC.V)
- Time choose button
- Red high voltage test wire socket (LINE)
- Green protective test wire socket (GUARD)
- Black test wire socket (EARTH)
- DC input interface (12V/1A)
- Black test wire and alligator clip
- Green protective test wire and alligator clip
- Red Hi-volt test wire
3. Configuració
Instal·lació de la bateria:
The GM3123 requires 8 x 1.5V LR14 batteries for operation (not included). To install the batteries:
- Localitzeu el compartiment de la bateria a la part posterior del dispositiu.
- Obriu la tapa del compartiment de la bateria.
- Introduïu 8 piles LR14, assegurant-vos de la polaritat correcta (+/-).
- Tanqueu bé la tapa del compartiment de la bateria.
Alternatively, the device can be powered by a 12V/1A DC adapter via the DC input interface (10).
Connexió dels cables de prova:
- Connect the red high voltage test wire (13) to the red LINE socket (7).
- Connect the green protective test wire (12) to the green GUARD socket (8).
- Connect the black test wire (11) to the black EARTH socket (9).
- Ensure all connections are firm and secure before proceeding with any tests.
4. Instruccions de funcionament
Mesura de la resistència d'aïllament:
- Assegureu-vos que el dispositiu estigui encès.
- Rotate the function switch (5) to the desired test voltage (500 V, 1000 V o 2500 V).
- Connect the test leads to the circuit or component under test according to standard safety procedures (e.g., Red to Live/Phase, Black to Earth/Ground, Green to Guard if applicable).
- Press and hold the "PRESS TO TEST" button (4) to initiate the measurement. The LCD display (1) will show the insulation resistance value.
- Release the "PRESS TO TEST" button to stop the measurement. The device will automatically discharge any residual voltage.
- Observe the LCD display for the measured resistance value.
Volum AC / DCtage Mesura:
- Rotate the function switch (5) to "AC.V".
- Connecteu els cables de prova al voltage font.
- The LCD display (1) will show the measured AC or DC voltage.
Ús de la funció de temporitzador:
- Press the "TIME SET" button (2) to set the desired test duration.
- Use the "TIME CHOOSE" button (6) to adjust the time.
- Initiate the insulation resistance test as described above. The timer will count down, and the measurement will be taken over the set duration.
Funció de llum de fons:
Press the "BACKLIGHT" button (3) to turn the LCD backlight on or off for improved visibility in low-light conditions.
5. Manteniment
- Neteja: Netegeu el dispositiu amb un drap sec i suau. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: When not in use for extended periods, remove the batteries to prevent leakage. Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- Substitució de la bateria: Replace batteries when the low battery indicator appears on the display to ensure accurate measurements.
- Calibració: Per a ús professional, es recomana una calibració periòdica per part de personal qualificat per mantenir la precisió.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | Piles gastades o instal·lades incorrectament. | Check battery polarity, replace with new batteries, or use DC adapter. |
| Lectures inexactes. | Low battery, poor test lead connection, or environmental factors. | Replace batteries, ensure secure connections, test in stable environmental conditions. Consider professional calibration if issues persist. |
| Es mostra "OL" (sobrecàrrega). | La mesura supera l'interval seleccionat. | Switch to a higher test voltage range if applicable, or verify the circuit is not shorted. |
| Sense llum de fons. | La funció de retroiluminació està desactivada. | Press the "BACKLIGHT" button (3) to activate. |
7. Especificacions
Especificacions generals:
- Model: GM3123
- Marca: Benetech
- Font d'alimentació: Battery operated (8x 1.5V LR14 batteries, not included) or 12V DC adapter.
- Vol operatiu mínimtage: 12 V
- Mida del producte: 153 x 96 x 220 mm
- Pes del producte: 1108g (without batteries and test wires)
- Operable Altitude: Less than 2000m (Indoor use)
- Circumstància de funcionament: Temperature 0~40°C, Humidity <= 85%
- Storage Circumstance: Temperature -20~60°C, Humidity <= 90%
- Battery's Life: Aprox. 15 hores
- Primera data disponible: 5 d'abril de 2023
Insulation Resistance Tester Parameters:
Image: Table detailing the insulation resistance testing parameters of the GM3123.
| Paràmetre | 500 V | 1000 V | 2500 V | 5000V (Note: GM3123 supports up to 2500V) |
|---|---|---|---|---|
| Voltage | 500 V | 1000 V | 2500 V | 5000 V |
| Interval de prova | 0.0~99.9MΩ, 100~999MΩ | 0.0~99.9MΩ, 100~999MΩ, 1.00~1.99GΩ | 0.0~99.9MΩ, 100~999MΩ, 1.00~1.99GΩ, 0.0~99.9GΩ | 0.0~99.9MΩ, 100~999MΩ, 1.00~1.99GΩ, 0.0~1000GΩ |
| Circuit obert voltage | DC 500V +30%, -0% | DC 1000V +20%, -0% | DC 2500V +20%, -0% | DC 5020V +20%, -0% |
| Corrent nominal | 0.5MΩ loading 1mA~1.2mA | 1MΩ loading 1mA~1.2mA | 2.5MΩ loading 1mA~1.2mA | 5MΩ loading 1mA~1.2mA |
| Corrent de curtcircuit | Aprox. 1.3mA | |||
| Precisió | ±5%rdg ±3dgt (0~99.9GΩ), ±20%rdg ±3dgt (above 100GΩ) | |||
Voltage Tester Parameters:
| Interval de mesura | DV | AV |
|---|---|---|
| 30-600V | ±30~±600V | 30~600V (50/60Hz) |
| Resolució | 1V | |
| Precisió | ±2% de lectura ±3 dgt | |
Paràmetres tecnològics
Image: Table outlining the technology parameters and general specifications of the GM3123.
| Paràmetre tecnològic | Technology index |
|---|---|
| Mostra | Max. 999 counts LCD display (1000 counts only at 1T is displayed) |
| Indicació per sobre del rang | OL mark appears on insulation resistance range. LO mark appears on voltage's range. |
| Disposició automàtica | Range shifts to upper range: 1000 count Range shifts to lower range: 95 counts (merely on the insulation resistance range) |
| Sampli taxa | 0.5 ~ 10 times/sec |
| Protecció de sobrecàrrega | Insulation resistance: AC 1200V/ 10s; Voltage: AC 720V/ 10s |
| Voltage resistència | AC8320V (50/60Hz)/ 5 second (between electrical circuit and enclosure) |
| Resistència d'aïllament | 1000MΩ or more/ DC 1000V (between electrical circuit and enclosure) |
8. Contingut del paquet
The standard package for the GM3123 High Voltage Insulation Tester includes:
- 1 x GM3123 Insulation Resistance Tester
- 1 x English Language User Manual
- Test leads (Red Hi-volt, Green protective, Black common)
- Bossa de transport
Image: All items included in the GM3123 High Voltage Insulation Tester package, neatly arranged.
9. Informació de seguretat
Always adhere to the following safety guidelines when operating the GM3123 High Voltage Insulation Tester:
- Do not operate the device if it appears damaged or if the test leads are compromised.
- Ensure the circuit under test is de-energized and safely discharged before connecting test leads for insulation resistance measurements.
- Always wear appropriate personal protective equipment (PPE), such as insulated gloves and safety glasses, when working with high voltages.
- Do not touch the test leads or the circuit under test during a measurement.
- The device performs automatic discharge after testing; however, always verify the circuit is safe before handling.
- Do not expose the device to moisture or extreme environmental conditions.
- Refer to local electrical safety regulations and standards for proper testing procedures.
10. Garantia i Suport
For warranty information and technical support, please refer to the contact details provided by your retailer or the manufacturer, Benetech. Keep your purchase receipt as proof of purchase for any warranty claims.
Imatge: Examples of product certifications, including ISO9001, FCC, CE, and RoHS compliance.
