1. Inngangur
The Fieldpiece MG44 Wireless Vacuum Gauge is designed to provide reliable and accurate vacuum measurements for HVACR professionals. Its robust construction and advanced features make it an essential tool for ensuring proper system evacuation.
Key features include a reliable, leak-proof seal, a reversible angled coupler for easy access in tight spaces, and a large backlit LCD screen for clear readings. The MG44 offers multiple viewing options and wireless connectivity to the Job Link mobile app and Fieldpiece SMAN Refrigerant Manifolds.
Figure 1: Fieldpiece MG44 Wireless Vacuum Gauge
2. Eiginleikar
- Reliable, Leak-Proof Seal: Ensures accurate vacuum measurements without external interference.
- Reversible Angled Coupler: Facilitates easy connection in confined or hard-to-reach areas.
- Stór baklýstur LCD skjár: Provides clear visibility of readings in various lighting conditions, including low light.
- Margar skjástillingar: Features a dot-matrix display showing a bar graph, rate, and rate meter for comprehensive vacuum progress monitoring.
- Þráðlaus tenging: Connects to the Job Link mobile app and Fieldpiece SMAN Refrigerant Manifolds for remote monitoring up to 1000 feet away.
- Varanlegur smíði: Housed in an IP54-rated weather-resistant and impact-resistant case.
3. Uppsetning
3.1 Uppsetning rafhlöðu
The MG44 requires two AA batteries for operation. To install or replace batteries:
- Finndu rafhlöðulokið aftan á tækinu.
- Fjarlægðu hlífina.
- Insert two AA batteries, ensuring correct polarity (positive terminal facing up towards the back cover).
- Settu hlífina á rafhlöðuhólfinu á öruggan hátt.
3.2 Connecting the Gauge
The MG44 can be connected directly to the system port for the most accurate readings. Its reversible angled coupler simplifies connection in tight spaces.
- Ensure the system is depressurized and isolated.
- Attach the MG44's angled coupler to the system's vacuum port. Hand-tighten to ensure a leak-proof seal.
- Alternatively, connect the MG44 to a Fieldpiece SMAN Refrigerant Manifold for integrated system monitoring.
Mynd 2: Framan og aftan views of the MG44 packaging, showing product details and specifications.
4. Rekstur
4.1 Kveikt/slökkt
Press the power button to turn the MG44 on. The backlit LCD screen will illuminate. Press and hold the power button to turn the device off.
4.2 Viewing Mode
The MG44 offers multiple ways to view vacuum progress:
- Direct Display: Monitor evacuation measurements directly on the MG44's large backlit LCD screen. The dot-matrix display provides detailed information.
- Job Link Mobile App: Connect wirelessly to the Job Link mobile app to monitor progress from up to 1000 feet away. The app provides a graphical representation of the vacuum progress, including rate of change.
- SMAN Refrigerant Manifold: Integrate the MG44 with existing Fieldpiece SMAN Refrigerant Manifolds (SM380V/SM480V) to view vacuum readings remotely on the manifold's display.
4.3 Túlkun á lestri
The display can show:
- Súlurit: A visual representation of the vacuum level.
- Verð: Indicates the rate of change in vacuum, useful for identifying leaks or moisture.
- Rate Meter: Shows real-time changes in microns per minute.
Video 1: Official Fieldpiece MG44 Wireless Vacuum Gauge overview, demonstrating its features and ease of use in HVACR applications.
5. Viðhald
Proper maintenance ensures the longevity and accuracy of your MG44 Wireless Vacuum Gauge.
- Skynjari hreinsun: Regularly clean the vacuum sensor with denatured alcohol to prevent contamination and ensure accurate readings. Refer to the detailed cleaning instructions in the full product manual.
- Innsigli skoðun: Periodically inspect the coupler and any associated seals for wear or damage. Replace worn seals to maintain a leak-proof connection.
- Geymsla: Store the gauge in a clean, dry environment when not in use. Avoid extreme temperatures and direct sunlight.
- Skipt um rafhlöðu: Replace batteries promptly when the low battery indicator appears to ensure continuous operation.
6. Bilanagreining
| Vandamál | Möguleg orsök | Lausn |
|---|---|---|
| Blank or unresponsive display | Low or dead batteries; device malfunction. | Replace batteries. If issue persists, contact Fieldpiece support. |
| Inaccurate or erratic readings | Contaminated sensor; leaky connection; external interference. | Clean the sensor. Check all connections for leaks. Ensure proper system isolation. |
| Cannot connect to Job Link app or SMAN Manifold | Out of range; Bluetooth interference; app/manifold software issue. | Move closer to the gauge. Check for other wireless devices. Restart the app/manifold. Ensure gauge is powered on and discoverable. |
| Vacuum not holding (microns rising) | System leak; moisture in system; faulty valve/hose. | Perform a leak test on the system. Ensure thorough evacuation to remove all moisture. Inspect hoses and valves for integrity. |
7. Tæknilýsing
| Forskrift | Smáatriði |
|---|---|
| Gerðarnúmer | MG44 |
| Vörumál | 10 x 5 x 5 tommur |
| Þyngd hlutar | 14.4 aura |
| Rafhlöður | 2 AA rafhlöður nauðsynlegar |
| Efni | Plast |
| Framleiðandi | FIELDPIECE INSTRUMENTS,INC |
| Wireless Range | Up to 1000 ft (via Job Link app) |
| Veðurþol | IP54 metið |
| UPC | 872641004934 |
8. Ábyrgð og stuðningur
Fieldpiece products are designed for durability and reliability. For specific warranty information regarding your MG44 Wireless Vacuum Gauge, please refer to the warranty card included with your product or visit the official Fieldpiece websíða.
For technical support, troubleshooting assistance, or service inquiries, please contact Fieldpiece customer service. Contact information can be found on the Fieldpiece websíðuna eða í umbúðum vörunnar.
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