Autonics MT4Y-DV-4N DC Voltmeter Digital Panel Meter
The Autonics MT4Y-DV-4N is a 4-digit digital panel meter designed for accurate DC voltage measurement and indication in industrial electrical and automation systems. It supports multiple DC voltage input ranges up to 500 VDC, features a clear LED display, and operates from a 100 to 240 VAC power supply. Its compact 72 x 36 mm panel format makes it suitable for control panels, machines, testing equipment, power systems, and industrial DC voltage monitoring applications.
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A. Product Overview
The Autonics MT4Y-DV-4N DC Voltmeter Digital Panel Meter is a compact industrial panel meter used for measuring and displaying DC voltage.
It receives a DC voltage signal, converts the input into a digital value, and displays the measured voltage clearly on its LED display.
The MT4Y-DV-4N is mainly designed as an indication type meter for applications where continuous visual monitoring of DC voltage is required.
Key Specifications
Brand: Autonics
Model: MT4Y-DV-4N
Product Type: Digital Panel Meter
Measurement Type: DC Voltage
Display: 4-digit 7-segment LED
Display Character Height: 14.2 mm
Maximum Display Range: minus 1999 to 9999
Maximum DC Voltage Input: 500 VDC
Input Range: 0 to 50 mVDC
Input Range: 0 to 250 mVDC
Input Range: 0 to 1 VDC
Input Range: 0 to 5 VDC
Input Range: 0 to 10 VDC
Input Range: 0 to 50 VDC
Input Range: 0 to 100 VDC
Input Range: 0 to 500 VDC
Power Supply: 100 to 240 VAC, 50 or 60 Hz
Output Type: Indicator
Analog to Digital Conversion: Sigma Delta ADC
Sampling Cycle: 50 ms
Front Protection: IP56
Operating Temperature: minus 10°C to 50°C
Storage Temperature: minus 20°C to 60°C
Operating Humidity: 35 to 85 percent RH
Body Size: Approximately 72 x 36 mm
Panel Cutout: Approximately 68 x 31.5 mm
Mounting Type: Panel Mount
Connection Type: Screw Terminal
The broad DC voltage measurement range makes the MT4Y-DV-4N suitable for many industrial monitoring applications.
B. Working Principle
The Autonics MT4Y-DV-4N works by receiving a DC voltage signal and converting it into a digital numerical reading.
The DC voltage from the electrical system or equipment is connected to the input terminals of the panel meter.
The operating sequence is:
DC voltage is applied to the measurement input.
The internal measuring circuit receives the voltage signal.
The signal is converted into digital data.
The processed value is shown on the 4-digit LED display.
The displayed value continuously updates as the input voltage changes.
For example, if the meter is configured for a suitable range and connected to a 24 VDC power supply, it displays the actual DC voltage being supplied to the system.
This allows operators to continuously monitor voltage without repeatedly using a handheld multimeter.
The MT4Y-DV-4N is mainly intended for indication and visual monitoring rather than relay based control.
C. Why Is Autonics MT4Y-DV-4N Used?
The Autonics MT4Y-DV-4N digital DC voltmeter is used wherever continuous monitoring of DC voltage is required.
Industrial machines and automation systems commonly use DC voltage for PLCs, sensors, relays, transmitters, controllers, motors, actuators, and electronic circuits.
Monitoring the DC supply voltage helps operators identify abnormal conditions such as:
Low voltage
High voltage
Unstable power supply
Battery discharge
SMPS problems
Wiring issues
Excessive electrical load
Power supply failure
Common Applications
Industrial control panels
Automation panels
Machine control systems
DC power supply monitoring
SMPS output monitoring
Battery voltage monitoring
Test benches
Electrical testing equipment
OEM machinery
Packaging machines
Manufacturing equipment
Process automation systems
Laboratory equipment
Control cabinets
DC motor systems
Power electronics
Solar systems
Battery charging systems
Industrial maintenance panels
Example Application
Consider an automation panel using a 24 VDC SMPS to power sensors, PLC inputs, relays, and control equipment.
The MT4Y-DV-4N can be mounted on the panel door to continuously show the actual DC supply voltage.
If the voltage starts dropping below the expected level, the operator can immediately identify that there may be a problem with the SMPS, wiring, electrical load, or connected equipment.
This improves troubleshooting and allows faster maintenance.
D. Suitable Buyers
The Autonics MT4Y-DV-4N DC Voltmeter Digital Panel Meter is suitable for:
Electrical panel manufacturers
Control panel builders
Industrial automation companies
OEM machine manufacturers
Machine builders
System integrators
Electrical contractors
Automation engineers
Electrical engineers
Maintenance engineers
Factory maintenance departments
Manufacturing companies
Process industries
Testing equipment manufacturers
Battery system manufacturers
Power electronics manufacturers
SMPS panel manufacturers
Industrial equipment manufacturers
Research laboratories
It is particularly suitable for buyers looking for a compact 72 x 36 mm digital DC voltmeter with measurement capability up to 500 VDC.
Frequently Asked Questions
1. What is the Autonics MT4Y-DV-4N?
The Autonics MT4Y-DV-4N is a 4-digit digital panel meter designed for measuring and displaying DC voltage in industrial electrical and automation systems.
2. What does the MT4Y-DV-4N measure?
The MT4Y-DV-4N measures DC voltage.
3. What is the maximum DC voltage range?
The maximum measurement range is 500 VDC.
4. What DC voltage ranges are available?
The available ranges include:
0 to 50 mVDC
0 to 250 mVDC
0 to 1 VDC
0 to 5 VDC
0 to 10 VDC
0 to 50 VDC
0 to 100 VDC
0 to 500 VDC
5. What is the power supply of the MT4Y-DV-4N?
The meter operates on 100 to 240 VAC, 50 or 60 Hz.
6. Is MT4Y-DV-4N a 4-digit panel meter?
Yes. It uses a 4-digit LED display.
7. What is the display range?
The numerical display range is approximately minus 1999 to 9999.
8. Can MT4Y-DV-4N measure 12 VDC?
Yes. It can be configured for suitable 12 VDC monitoring applications.
9. Can MT4Y-DV-4N measure 24 VDC?
Yes. It can be used for 24 VDC supply monitoring when the appropriate range is selected.
10. Can it measure 48 VDC?
Yes. The available measurement ranges can accommodate 48 VDC applications.
