1. Introduzione
The AUTOOL LM130 Smart Digital Manifold Kit is an intelligent refrigerant gauge designed for automotive air conditioning systems. It is primarily used to accurately detect the pressure values of refrigerants at various stages within the system. This device assists equipment operation and maintenance personnel in gaining a clear understanding of the system's operating status, ensuring proper functioning and maintenance of the air conditioning system.
The LM130 features a robust design with a high-precision sensor, multiple operating modes, and a clear LCD display, making it an essential tool for automotive technicians.
2. Caratteristiche principali
- Sensore ad alta precisione: Integrated high-precision pressure sensor with built-in temperature compensation ensures accurate readings regardless of temperature fluctuations.
- Molteplici modalità operative: Supports Refrigeration Mode, Evacuation Mode, and Pressure Leak Test Mode for comprehensive system analysis.
- Schermo LCD HD: A 3-inch backlit LCD screen provides a clear display, adapting to various scenarios for easy operation in both natural daylight and dimly lit conditions.
- Versatile Unit Support: Supports multiple pressure units (psi, Bar, Mpa) and temperature units (°C, °F).
- Multiple Refrigerant Types: Compatible with a wide range of refrigerants including R12, R410A, R407C, R404A, R22, R134A, and R502.
- Design pratico: Features a foldable hook for easy hanging and an observation sight window for monitoring refrigerant flow.
Image: AUTOOL LM130 in use, showcasing le sue caratteristiche.
Image: High-precision sensor details and accuracy.
Image: LCD HD Display visibility in different lighting.
3. Componenti e controlli del prodotto
Image: Labeled diagram of the LM130 unit.
3.1. Unità finitaview
The LM130 Smart Digital Manifold Kit includes the main unit and essential accessories:
- AUTOOL LM130 Main Unit
- Clamp Sonda di temperatura
- Manuale d'uso
- Scatola di immagazzinaggio
Image: AUTOOL LM130 and included accessories.
3.2. Interfaccia di controllo
Refer to the labeled diagram above for component identification:
- A: Multi-Function Interface: Main display area for readings and settings.
- B: Display Screen: High-definition LCD for clear data visualization.
- C: Play/Pause/Restart Button (▶/▲): Press to start/pause measurement or restart measurement.
- D: Sound/Scroll Down Button (🔊/▼): Press to control sound on/off; in setting mode, press to scroll downward.
- E: Settings Key (⚙): Press to enter settings mode for refrigerant selection, temperature unit, pressure unit, vacuum unit, and auto power-off settings.
- F: Measurement Mode/Zero Pressure Button (🔍/P=0): Press to select the measurement mode; long press to zero the pressure.
- G: Power On/Off/Backlight Button (⚿/💡): Press to power on the unit; long press for 2 seconds to power off; press to control backlight.
- H: Refilling Hose Brass Connector: Connection point for refilling hoses.
- I: Observation Sight Window: Consente l'ispezione visiva del flusso del refrigerante.
- J: Refilling Hose Joint Evacuation Port: Port for evacuation processes.
- K: Rotary Knob: Used for adjusting settings and selecting options.
- M: Foldable Hook: For convenient hanging of the unit during use.
Image: Unique design details of the LM130.
4. Specifiche tecniche
Immagine: Specifiche dettagliate del prodotto.
| Attributo | Valore |
|---|---|
| Unità di pressione | psi, bar, mpa |
| Unità di temperatura | °C, °F |
| Unità del vuoto | Torr, mbar |
| Campo di pressione | 0~870psi, 0~60bar(rel), 0~6Mpa |
| Intervallo di temperatura | -55~125°C, -67~257°F |
| Vacuum Range (Rel) | -14.7-0psi, -1~0bar |
| Risoluzione della pressione | 0.1psi, 0.01bar, 0.005MPa |
| Risoluzione della temperatura | 0.1°C, 0.1°F |
| Precisione della pressione | Within ±0.5% of the full range |
| Precisione della temperatura | ±0.5°C (±1 digit), ±0.9°F (±1 digit) |
| Precisione del vuoto | Within ±0.5% of the full range |
| Sovraccarico | 942.5psi, 65bar, 6.5Mpa |
| Refrigeranti disponibili | R12, R410A, R407C, R404A, R22, R134A, R502 |
| Volume di eserciziotage | 6 V (4 batterie da 1.5 V) |
5. Istruzioni per l'installazione
- Installa le batterie: Open the battery compartment on the back of the unit and insert 4 x 1.5V batteries, ensuring correct polarity.
- Collegare i tubi: Connect the appropriate refrigerant hoses to the brass connectors (H and J) on the LM130 unit. Ensure connections are tight to prevent leaks.
- Connetti al sistema: Attach the other ends of the refrigerant hoses to the high-pressure and low-pressure ports of the automotive air conditioning system.
- Accensione: Press the Power On/Off button (G) to turn on the device.
- Impostazioni iniziali: Use the Settings Key (E) and Rotary Knob (K) to select the desired refrigerant type, pressure unit, temperature unit, and vacuum unit.
Video: Product demonstration showing setup and various modes of operation.
This video demonstrates the physical connection of the manifold kit to an AC system, including attaching hoses and the clamp temperature probe, and navigating through different modes.
6. Modalità operative
6.1. Refrigeration Mode
This mode provides real-time measurement of pressure and temperature data within refrigeration systems. It displays key parameters to assess system performance.
- Ensure the LM130 is connected to the system.
- Press the Measurement Mode button (F) until 'Refrigeration Mode' is displayed.
- Lo schermo mostrerà:
- Tipo di refrigerante: The selected refrigerant (e.g., R134A).
- EV (Evaporation Temp): Temperatura di evaporazione.
- CO (Condensation Temp): Condensation temperature.
- T (Actual Pipe Temp): Measured pipe temperature (requires clamp temperature probe).
- Current P (Current Pressure): Real-time pressure reading in the selected unit.
- Press the Play/Pause/Restart button (C) to start or pause the measurement.
Image: Refrigeration Mode display with parameter labels.
6.2. Evacuation Mode
Use this mode to measure pressure during the evacuation process of a refrigeration system and assess the current vacuum state.
- Ensure the LM130 is connected to the system and a vacuum pump.
- Press the Measurement Mode button (F) until 'Evacuation Mode' is displayed.
- Lo schermo mostrerà:
- Evacuazione: Indicates the mode.
- EV (H2O Evaporation Temp): H2O evaporation temperature.
- Tamb (Ambient Temp): Temperatura ambiente.
- Current P (Current Pressure): Real-time pressure reading in the selected unit (e.g., mbar).
- TIME (Measurement Duration): Duration of the evacuation process.
- ΔT (Delta T): Temperature difference.
- 000000: Indicates if vacuum is not achieved within range.
- RUAT: Activate External Vacuum Probe (if applicable).
- Press the Play/Pause/Restart button (C) to start or pause the measurement.
Image: Evacuation Mode display with parameter labels.
6.3. Pressure Leak Test Mode
This mode is used to test the leak tightness and sealing integrity of the refrigeration system.
- Ensure the LM130 is connected to the system.
- Press the Measurement Mode button (F) until 'Pressure Leak Test' is displayed.
- Lo schermo mostrerà:
- StartP (Starting Pressure): The pressure at the beginning of the test.
- Current P (Real-time Pressure): The current pressure reading.
- TIME (Measurement Time): Duration of the leak test.
- ΔP (Pressure Difference): The difference between StartP and Current P, indicating a leak if non-zero.
- Press the Play/Pause/Restart button (C) to start or pause the test. Monitor the ΔP value over time.
Image: Pressure Leak Test display with parameter labels.
7. Manutenzione
- Pulizia: Pulire l'unità con un panno morbido, damp panno. Non usare detergenti abrasivi o solventi.
- Magazzinaggio: Store the LM130 in its protective case in a dry, cool place when not in use.
- Sostituzione della batteria: Replace batteries promptly when the low battery indicator appears on the display to ensure accurate readings and prevent data loss.
- Cura del sensore: Avoid dropping or subjecting the unit to strong impacts, as this can affect sensor accuracy.
8. Risoluzione Dei Problemi
- Nessun display/unità non si accende:
- Controllare che le batterie siano installate correttamente e abbiano una carica sufficiente. Sostituirle se necessario.
- Letture imprecise:
- Ensure all hose connections are tight and free of leaks. Verify that the correct refrigerant type and units are selected in the settings. Perform a zero-pressure calibration if needed (long press button F).
- Vacuum Not Achieved (Evacuation Mode):
- Check for leaks in the system or connections. Ensure the vacuum pump is functioning correctly.
- Pressure Leak Test Shows Pressure Drop:
- This indicates a leak in the system. Thoroughly inspect all connections, hoses, and system components for signs of leakage.
9. Suggerimenti per l'utente
- Always ensure the system is depressurized before connecting or disconnecting hoses to prevent injury or refrigerant release.
- Regularly check the battery level, especially before starting a critical measurement.
- Utilize the foldable hook (M) to keep the unit securely positioned and prevent accidental drops during operation.
- Familiarize yourself with the different refrigerant types and select the correct one for your application to ensure accurate measurements.
10. Garanzia e supporto
The AUTOOL LM130 Smart Digital Manifold Kit comes with a Garanzia di 3 anno from AUTOOL Authorized Store. For any technical assistance, warranty claims, or product inquiries, please contact AUTOOL Official Store customer support.
Image: AUTOOL 3-Year Warranty information.
