1. Introdución
The Elitech MS-4000 is an advanced 4-way digital manifold gauge designed for HVAC professionals. It integrates multiple HVAC tools into a single unit, providing precise measurements for pressure, temperature, and vacuum. This device features a smart touch screen, real-time monitoring via an app, OTA firmware updates, intelligent vacuum leakage judgment, offline data recording, and temperature compensation for accurate tightness testing. It supports 88 different refrigerants and offers automatic calculation of superheating and subcooling temperatures.

Figure 1: Elitech MS-4000 Digital Manifold Gauge with accessories in carrying case.
2. Configuración
2.1 Desembalaxe e identificación de compoñentes
Carefully unpack the Elitech MS-4000 from its packaging. Verify that all components are present and undamaged. The standard package includes the MS-4000 manifold unit, charging hoses (red, blue, yellow), temperature clamps, and a performance report.
Video 1: Unboxing the Elitech MS-4000 Digital Manifold Gauge and its components.
2.2 Instalación da batería e acendido
The MS-4000 is powered by a Type-C charging port and has a battery capacity of 20 hours. For initial use or after long storage, ensure the device is charged. If using AA batteries (for models like MS-1000, though MS-4000 uses Type-C charging), install 3 AA batteries into the designated compartment. To power on, press and hold the power button until the screen illuminates.

Figure 2: Display showing battery removal for storage (relevant for some models).
2.3 Instalación e conexión da aplicación
Download the Elitech Tools App from your device's app store (iOS and Android compatible). Follow the in-app instructions to connect your MS-4000 manifold gauge via Bluetooth for real-time monitoring, OTA firmware updates, and data management.

Figure 3: Real-time monitoring and OTA firmware updates via the Elitech Tools App.
3. Instrucións de funcionamento
3.1 General Operation and Touch Screen Interface
The MS-4000 features a 5-inch touch screen for intuitive navigation. The interface displays vacuum, pressure, and temperature data clearly. Use the touch screen to select functions and adjust settings.

Figure 4: Key features of the Elitech MS-4000, including the 5-inch touch screen.
3.2 Medición da presión e da temperatura
Connect the appropriate hoses to the 4-way valve and the HVAC system. The device will display pressure and temperature readings in real-time. The MS-4000 automatically measures superheating and subcooling temperatures for 88 different refrigerants. Frequently used refrigerants can be saved for quick access.
3.3 Medición do baleiro
The MS-4000 includes a micron gauge transmitter for precise vacuum measurements. Connect the vacuum pump and monitor the vacuum levels directly on the screen. The range for vacuum measurement is 0-19000 micron.
3.4 System Leakage Testing with Temperature Compensation
The device allows for precise monitoring of pressure holding and vacuum leakage tests. It features temperature compensation settings to minimize the influence of temperature variations on the accuracy of tightness testing results. Adjust allowable percentage and duration settings as needed.

Figure 5: Temperature compensation settings for accurate tightness testing.
3.5 Data Recording and Export
The MS-4000 can record up to 100,000 points of offline data. This data can be easily exported to a computer via a USB port for further analysis of temperature, pressure, and vacuum values.
3.6 Auto Off Time Settings
The device has an adjustable auto-off feature to conserve battery life. Default auto-off is set to 15 minutes, but options like 5, 10, 15, 30, and 60 minutes are selectable.
4. Mantemento
4.1 Coidados xerais
Keep the manifold gauge clean and free from dust and debris. Store it in its protective carrying case when not in use to prevent damage. Avoid exposing the device to extreme temperatures or moisture.
4.2 Xestión da batería
For long-term storage, it is recommended to fully charge the device and then store it in a cool, dry place. If the device uses removable batteries (like 3 AA batteries in some models), remove them if the unit will not be used for an extended period to prevent leakage.
5 Solución de problemas
5.1 O dispositivo non se acende
- Ensure the device is fully charged via the Type-C port.
- If applicable, check that batteries are correctly installed and not depleted.
5.2 Problemas de conexión da aplicación
- Asegúrate de que o Bluetooth estea activado no teu dispositivo móbil.
- Verify the Elitech Tools App is updated to the latest version.
- Restart both the manifold gauge and your mobile device.
- Ensure the manifold gauge is within Bluetooth range of your mobile device.
5.3 Lecturas inexactas
- Comprobe todas as conexións da mangueira para detectar fugas.
- Ensure temperature clamps are securely attached to the pipes.
- Verify the correct refrigerant type is selected in the device settings.
- Perform a calibration check if available in the device menu or app.
6. Especificacións
6.1 Especificacións xerais
| Elemento | Valor |
|---|---|
| Nome da marca | Elitech |
| Número de modelo | MS-4000 |
| Nome do produto | Manómetro dixital |
| Aplicación | Hydraulic Industries, Air Conditioning Fitting |
| Conexión | 1/4" SAE*3 and 3/8" SAET*1 |
| Refrixerante | R134A, R410A, R22A, R404A (and 84 other refrigerants) |
| Cor | Laranxa/Negro |
| Material de conexión | Brass Thread |
| Tipo | Gas Pressure Manometer |
| Peso | 7KG (Product package weight is 30kg) |
| Fonte de alimentación | Carga tipo C |
| Capacidade da batería | 20 horas |
| Capacidade de gravación | 100,000 puntos |
| Válvulas | 4 |
| Rango de presión | -14.5 ~ 800 psi |
| Precisión | 0.5% FS |
| Resolución | 0.5 psi |
| Porto | 4 |
| Pantalla táctil | Si |
6.2 Temperatura Clamp Parámetros
| Elemento | Valor |
|---|---|
| Rango | -40 ~ 150 ℃ / -40 ~ 300 ℉ |
| Precisión | ± 0.1 ℃ / ± 0.18 ℉ |
| Resolución | 0.1℃ / ℉ |
6.3 Vacuum Parameters
| Elemento | Valor |
|---|---|
| Rango | 0-19000 micras |
| Accuracy (0-10000 micron) | 10% of Reading ± 10 micron |
| Accuracy (10000-19000 micron) | 20% de Lectura |
6.4 Supported Refrigerants
R113, R114, R115, R116, R12, R123, R1233ZD, R1234ZE, R1234YF, R124, R125, R13, R134a, R14, R141B, R142B, R143A, R152A, R170, R22, R23, R236FA, R245FA, R290, R32, R401A, R401B, R401C, R402A, R402B, R403B, R404A, R406A, R407A, R407B, R407C, R407D, R407F, R408A, R409A, R410A, R410B, R412A, R413A, R414A, R414B, R416A, R417A, R417C, R420A, R421A, R421B, R422A, R422B, R422C, R422D, R424A, R426A, R427A, R428A, R429A, R434A, R437A, R438A, R441A, R443A, R448A, R449A, R450A, R452A, R452B, R453A, R454A, R454B, R455A, R458A, R500, R502, R503, R507A, R508A, R508B, R514A, R600, R600a, R601a, R718, R744.
7. Consellos de usuario
- Utilize the Elitech Tools App for enhanced functionality, including remote monitoring and data analysis, to streamline your workflow.
- Adántachetage of the temperature compensation feature during leakage tests to ensure the most accurate results, especially in environments with fluctuating temperatures.
- Regularly export recorded data via USB to keep a comprehensive log of your work and for detailed analysis.
- Customize the auto-off time setting to balance battery life and convenience based on your typical usage patterns.
- Keep the 4-way valve and hoses clean and properly sealed to prevent refrigerant cross-contamination and ensure accurate readings.
8. Garantía e soporte
8.1 Garantía do produto
The Elitech MS-4000 Smart HVAC Digital Manifold Gauge comes with a 3-year warranty. This warranty covers manufacturing defects and ensures free spare parts for covered issues. Please retain your proof of purchase for warranty claims.
8.2 Soporte técnico
For technical assistance, troubleshooting, or service inquiries, please contact Elitech customer support. Refer to the official Elitech websitio web ou a embalaxe do produto para obter a información de contacto máis actualizada.





