Digital Multifunction Meter with Voltage, Current, Frequency, and Temperature Display
This indicator displays real-time measurements of current, voltage, frequency, and temperature. Its digital display ensures clear and easy-to-read values for diverse monitoring applications.





Technical Specifications
Product Overview
Precision Monitoring Solution
The AD22-22 series digital multifunction meter provides reliable, real-time monitoring of critical electrical parameters including voltage, current, frequency, and temperature. Designed for panel mounting with a standard 22mm hole size, this compact indicator features a high-visibility LED display suitable for industrial and electronic applications. Built to withstand demanding environments, it offers robust protection and consistent performance with a continuous working life of over 30,000 hours.
Electrical Specifications
- Current Measurement Range
- 100 A
- Voltage Fluctuation Tolerance
- ± 20%
- Power Frequency Withstand Voltage
- 2.5 KV
- Insulation Resistance
- ≥ 2 MΩ
- Operating Frequency
- 50-60 Hz
Performance Metrics
Continuous Working Life
- Display Brightness
- ≥ 100 CD/M²
Environmental & Durability
Head Protection Grade
- Ambient Temperature Range
- -25°C to 55°C
- Relative Air Humidity
- ≤ 98%
Physical Characteristics
- Hole Size
- 22 mm



