Maintenance teams planning replacements for MT4Y-AA-44 frequently review Autonics Proximity Sensor, Autonics Digital Counter and Autonics Mt4W Da 49 to prevent downtime, checking availability and compatibility with existing systems.
Autonics MT4Y-AA-44 Digital Panel Meter
The Autonics MT4Y-AA-44 Digital Panel Meter offers 4-digit 7-segment LED display method, 14.2mm character height, -1999 to 9999 display range, AC current, Frequency measurement. Manufactured by Autonics under the Autonics Digital Panel Meter category, this model belongs to the Autonics MT4Y Series.
| Brand | Autonics |
| Product Type | Digital Panel Meter |
| Model Number | MT4Y-AA-44 |
Autonics MT4Y-AA-44 Digital Panel Meter – Technical Specifications
| Specification | Value |
|---|---|
| Display method | 4-digit 7-segment LED |
| Character height | 14.2mm |
| Max. display Range | -1999 to 9999 |
| Measurement | AC current, Frequency |
| Input specification | 0-5A, 0-2.5A, 0-1A, 0-500mA, 0-250mA, 0-100mA, 0-50mA |
| AC Measurement | Average value (AVG), Root mean square value (RMS) |
| Power supply | 100-240VAC~ 50/60Hz |
| Output_Main Output(Comparative Value) | Relay (LO) |
| Output_Sub Output(Display Value) | RS485 communication |
| Display accuracy | • 23℃±5℃ - ± 0.3 % F.S. rdg ± 3 digit (frequency: ± 0.1 % F.S. rdg ± 2-digit)• -10℃ to 50℃ - ± 0.5 % F.S. rdg ± 3-digit |
| A/D conversion method | ΣΔ (Sigma Delta) ADC |
| Sampling cycle | 16.6ms |
| Hold function | Includes (external hold function) |
| Environment_Ambient temperature | -10 to 50℃, storage: -20 to 60℃ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Insulation type | Double insulation or reinforced insulation(mark: @(INS), dielectric strength between the measuring input part and the power part: 1kV) |
| Protection structure | IP56 (front part, IEC standard) |
| Unit weight (packaged weight) | ≈ 134 g (≈ 213.5 g) |
The Autonics MT4Y-AA-44 features a high-contrast 4-digit 7-segment LED display with a 14.2mm character height, delivering excellent visibility across machine panels and power systems. It supports a wide measurement range from -1999 to 9999 and accepts multiple AC current inputs including 0–5A, 0–1A, 0–500mA, and 0–50mA. This flexibility allows accurate monitoring across different electrical setups. The meter calculates both average and true RMS values, providing reliable insight into actual load conditions and power stability.
A 100–240VAC universal power supply ensures stable operation across industrial voltage environments. The Sigma Delta (ΣΔ) A/D conversion technology, combined with a 16.6ms sampling cycle, enables rapid response and precise signal capture. This model includes both a Relay (LO) output for alert triggering and an RS485 communication port for seamless data sharing with SCADA, PLC, or HMI systems. Its high display accuracy of ±0.3% F.S. ±3 digits makes it dependable for real-time performance checks, even under fluctuating temperature and humidity conditions.
Built with IP56-rated front protection and reinforced 1kV dielectric insulation, the MT4Y-AA-44 is engineered to perform consistently in challenging industrial environments. It supports an external hold function to freeze readings during inspection, and its compact form factor (≈213.5g) fits effortlessly into tight control panel spaces. As a part of the Autonics Panel Meters lineup, this model meets the expectations of modern engineers looking for reliability, accuracy, and easy system integration. For more information, visit the official Autonics Sensors and Controllers section on IndMALL.
Engineering colleges and training institutes also use the Autonics MT4Y-AA-44 to provide hands-on experience in real-world AC current and frequency measurement. The meter’s industrial-grade reliability and simple user interface make it an excellent educational tool for future instrumentation professionals. From heavy-duty installations to compact training panels, this device delivers consistent results across all use cases.
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