Description
Product Overview
The KAISAL Digital Vacuum Gauge is engineered for professional HVAC and heat‑pump technicians who need reliable, high‑precision vacuum measurements. Featuring a high‑accuracy micron sensor, the gauge measures pressure ranges from 0 to 30 inHg (0‑760 mmHg) with rapid response. Its robust ABS housing measures 8.82 x 5.24 x 2.83 inches and weighs just 1.19 lb, making it portable yet durable. The 2.8‑inch LCD offers a bright backlight and supports 13 pressure units, eliminating the need for manual conversion. Powered by an included 9 V battery, the device displays battery level and includes a rubberized handle for comfortable grip during extended use.
Usage
Designed for dynamic monitoring of vacuum pressure in refrigeration cycles, this gauge excels in system evacuations, leak detection, and performance verification. Whether you are servicing residential air conditioners, commercial chillers, or industrial heat‑pump installations, the gauge provides real‑time data to ensure optimal system efficiency. Its dual‑mode operation—normal and monitoring—lets you set a target pressure; the unit will sound an audible buzzer if pressure falls below the threshold, ideal for unattended evacuations. 
Why Choose Us
KAISAL combines advanced sensor technology with user‑centric design, delivering a tool that meets the rigorous demands of HVAC professionals. The gauge undergoes strict factory calibration and includes a simple on‑device calibration mode for field adjustments, guaranteeing long‑term accuracy. Backed by a 2‑year warranty and responsive customer support, you receive both product reliability and peace of mind. Its compact form factor, battery indicator, and ergonomic handle differentiate it from generic gauges on the market.
Key Features
- High‑precision micron sensor for accurate micro‑pressure detection
- 13 selectable pressure units with automatic conversion
- Real‑time monitoring mode with audible buzzer alerts
- Backlit LCD and battery level display for easy reading in low light
- On‑device calibration and MAX/MIN value tracking for consistent performance
FAQ
What batteries does the gauge use?
The gauge operates on a single 9 V battery, which is included in the package. Battery level is shown on the LCD.
Can I calibrate the gauge in the field?
Yes, press and hold the CAL button to enter calibration mode; the gauge will automatically exit once calibration completes.
Is the gauge suitable for low‑temperature environments?
It is rated for typical HVAC service conditions down to -10 °C (14 °F), making it reliable for most indoor and outdoor applications.
How do I switch between pressure units?
Press the SET button repeatedly to cycle through the 13 available units; the selected unit is displayed on the screen.
What is the warranty period?
KAISAL provides a 2‑year limited warranty covering manufacturing defects and includes technical support.
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