WK-VG89 Digital Vacuum Meter | Micron Gauge | HVAC Vacuum Measurement Tool

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. View More View Less