Product details
Product Description
The WK-VG89 Digital Vacuum Meter is a high-precision HVAC vacuum measurement tool designed for monitoring vacuum levels in refrigeration and air conditioning systems. It is widely used during system evacuation to ensure proper removal of moisture and non-condensable gases.
This model features a wide measuring range from atmospheric pressure down to 0.75 microns, allowing accurate monitoring throughout the entire evacuation process. It utilizes a high-sensitivity vacuum sensor, ensuring reliable and precise readings for professional applications.
The WK-VG89 is equipped with a large digital LCD display, making it easy to read measurements in various units such as Microns, Pa, mBar, mmHg, and InHg. It also includes a buzzer alarm system, helping technicians detect when the desired vacuum level is achieved.
Designed for convenience, it features a compact body, collapsible hook, and 7/16″-20 UNF connection, making it easy to use in both field and workshop environments.
Key Features
- High-precision digital vacuum meter for HVAC systems
- Measuring range: 750,000 to 0.75 microns
- Monitors system vacuum and pump performance
- Large LCD display for clear readings
- Multi-unit display: Microns, Pa, mBar, mmHg, InHg
- Buzzer alarm for vacuum indication
- High-sensitivity vacuum sensor
- Compact and portable design
- 7/16″-20 UNF connection for standard use
- Long battery life (up to ~40 hours)
Technical Specifications
| Specification | Details |
|---|---|
| Model | WK-VG89 |
| Type | Digital Vacuum Meter |
| Measuring Range | 1 ATM to 0.1 Pa (750,000 – 0.75 microns) |
| Accuracy | ±5% (0.1Pa – 1000Pa @ 20°C) |
| Resolution | 0.1Pa / 1Pa / 10Pa (range dependent) |
| Units | Pa, mBar, mmHg, mTorr, InHg, Microns |
| Connection | 7/16″-20 UNF |
| Battery | 4 × AA |
| Battery Life | Approx. 40 hours |
| Max Overload Pressure | 0.5 MPa (72 PSI) |
| Operating Temp | -5°C to 50°C |
| Alarm | 90 dB buzzer |
Applications
- HVAC system evacuation monitoring
- Vacuum pump performance testing
- Leak detection via vacuum stability
- Air conditioning installation
- Refrigeration servicing
- Field and workshop diagnostics
Frequently Asked Questions (FAQs)
Q1: What is WK-VG89 used for?
It is used to measure and monitor vacuum levels during HVAC system evacuation.
Q2: What is the measurement range?
It measures from atmospheric pressure down to 0.75 microns.
Q3: Does it support multiple units?
Yes, it supports Microns, Pa, mBar, mmHg, and more.
Q4: How is it powered?
It uses 4 AA batteries with around 40 hours of operation.
Q5: Is it suitable for professional use?
Yes, it is designed for HVAC technicians and precise vacuum measurement.
