Product details
Product Description
The VDG-1 digital manifold gauge set from Value is a professional HVAC instrument designed for pressure measurement, temperature monitoring, and system diagnostics in refrigeration and air conditioning systems.
This advanced unit integrates pressure sensors, temperature measurement, and refrigerant database, making it suitable for modern HVAC servicing. It supports a wide range of refrigerants including R32, R410A, R22, R134a, and R1234yf, ensuring compatibility with both residential and automotive systems.
The device features a backlit LCD display, impact-resistant housing, and durable rubber protection, making it reliable for field use. It also supports superheat and subcooling calculations, helping technicians perform accurate diagnostics.
Key Features & Benefits
- Digital manifold gauge with dual pressure sensors
- Measures pressure + temperature + vacuum
- Supports 40+ refrigerants (R32, R410A, R134a, R404A, etc.)
- Backlit LCD display for clear visibility
- Built-in temperature sensor (K-type compatible)
- Calculates superheat & subcooling
- Impact-resistant body with rubber protection
- High accuracy (±0.75%)
- Ideal for HVAC servicing, charging & diagnostics
Technical Specifications
| Specification | Details |
|---|---|
| Model | VDG-1 |
| Product Type | Digital Manifold Gauge Set |
| Brand | Value |
| Valve Type | 2 Valve |
| Pressure Range | 0 – 50 bar (0 – 725 psi) |
| Max Pressure | 75 bar |
| Pressure Accuracy | ±0.75% |
| Vacuum Measurement | Yes |
| Temperature Range | -50°C to +150°C |
| Temperature Accuracy | ±2°C |
| Display | Backlit LCD |
| Refrigerants Supported | 40+ (R22, R32, R134a, R410A, R1234yf, etc.) |
| Connections | 3 × 1/4″ SAE |
| Power Supply | AA Batteries |
| Operating Temp | -10°C to 50°C |
| Weight (Unit) | ~1 kg |
| Set Weight | ~3.5 – 3.6 kg |
📌 Measures pressure + temperature simultaneously with high precision and wide refrigerant compatibility
Kit Contents
- Digital Manifold Gauge (VDG-1)
- 3 Charging Hoses (Red, Blue, Yellow – 150 cm)
- Temperature Clamp (K-type)
- 2 Adapters (1/4″ ↔ 5/16″ SAE)
- R134a Quick Couplers (HP & LP)
- Batteries
- Carrying Case
📌 Complete professional kit for charging, diagnostics, and system testing
Frequently Asked Questions (FAQs)
1. What is VDG-1 used for?
It is used for pressure measurement, temperature monitoring, and HVAC system diagnostics.
2. Is it better than normal manifold gauges?
Yes, it provides digital accuracy + superheat/subcooling calculations.
3. Which refrigerants does it support?
It supports 40+ refrigerants including R32, R410A, R134a, and R1234yf.
4. Does it measure temperature?
Yes, it supports temperature measurement via built-in/connected sensors.
5. Can it measure vacuum?
Yes, it supports vacuum measurement along with pressure readings.
6. Is it suitable for automotive AC?
Yes, with included couplers it can be used for automotive AC systems (R134a).





