
Autonics MT4W-AV-4N Panel Meter
4-digit LED panel meter for accurate AC voltage and frequency measurement.
Product Summary:
 The Autonics MT4W-AV-4N is a high-precision digital panel meter designed to measure AC voltage and frequency with exceptional accuracy. It features a clear 4-digit LED display, a wide measurement range, and reliable performance suited for industrial monitoring applications.
Key Features:
- 4-digit, 7-segment LED display with 14.2mm character height 
- Wide input range: 0–500V AC 
- Measures AC voltage and frequency with high accuracy 
- Supports AVG and RMS measurement methods 
- Fast 16.6ms sampling cycle 
- Hold function with external input support 
- CE certified and robust build quality 
- Double insulation for enhanced safety 
- User-configurable display and measurement settings 
Applications:
- Electrical panels and distribution boards 
- Industrial automation and control systems 
- Factory equipment and instrumentation 
- Power monitoring and energy management systems 
Product Benefits:
- Accurate and real-time monitoring of voltage and frequency 
- Compact and durable design suitable for harsh environments 
- Easy-to-read LED display minimizes interpretation errors 
- Reliable performance under variable conditions 
- Easy integration into existing control panels 
FAQs:
Q1. What type of voltage does the MT4W-AV-4N measure?
 A1. It measures AC voltage with a wide input range from 0 to 500V, supporting multiple configurations like 250V, 110V, 50V, etc.
Q2. Does it support RMS value measurement?
 A2. Yes, the panel meter can measure both average (AVG) and root mean square (RMS) values of AC voltage.
Q3. What is the display accuracy of this panel meter?
 A3. The MT4W-AV-4N offers high accuracy with up to ±0.3% of the reading ±3 digits (depending on frequency and temperature).