EMAS RDV1S digital AC voltmeter panel meter with a 0 to 600 V AC measuring interval, three-digit seven-segment display, eight-pin connection and 1CO changeover contact.
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Why Choose the EMAS RDV1S Digital Voltmeter Panel Meter?
The EMAS RDV1S is a compact digital AC voltmeter panel meter designed for clear and reliable voltage monitoring in industrial electrical panels, machinery and low-voltage power distribution systems. Part of the EMAS RD series, it combines a wide measurement range with a clear digital display and a convenient eight-pin connection format.
The RDV1S measures AC voltages from 0 to 600 V AC, allowing it to monitor a broad range of single-phase and three-phase electrical circuits when correctly connected. Its three-digit seven-segment display provides an easy-to-read indication of the measured voltage, helping engineers identify supply fluctuations and abnormal operating conditions.
Operating from a nominal 230 V AC, 50 Hz supply, the RDV1S incorporates a 1CO changeover contact for integration with monitoring and control systems. Its compact, finger-safe construction and IP20 protection rating make it a practical choice for enclosed industrial control-panel applications.
Key Advantages
Wide 0 to 600 V AC measurement range.
Clear three-digit seven-segment display.
Compact panel meter for industrial electrical enclosures.
Integrated 1CO changeover contact.
Fast and silent operation for control-panel applications.
Finger-safe design supports safer installation and maintenance.
Key Features
EMAS RD series digital voltmeter.
0 to 600 V AC measuring interval.
230 V AC operational voltage.
50 Hz operational frequency.
Eight-pin electrical connection.
1CO changeover contact configuration.
Permitted voltage range of 0.85 to 1.1 × Ue.
IP20 protection rating.
Reliable Voltage Monitoring for Electrical Systems
Digital voltmeters provide continuous indication of the voltage present within an electrical circuit. Monitoring voltage helps operators identify undervoltage, overvoltage and unstable supply conditions that may affect motors, contactors, control equipment and other electrical loads.
With its broad 0 to 600 V AC measuring range, the EMAS RDV1S is suitable for numerous industrial monitoring duties. The digital display provides clear local indication, while the compact eight-pin format simplifies integration into appropriately designed electrical control panels.
Typical Applications
Industrial electrical control panels.
Low-voltage power distribution boards.
Machinery supply-voltage monitoring.
Motor control centres.
Generator and transformer monitoring panels.
Automation and process control systems.
Technical Specifications
Voltage
220 V
Manufacturer
EMAS
Series
RD Series
Model
RDV1S
Product type
Digital voltmeter panel meter
Control type
Digital
Measurement type
AC voltage
Measuring interval
0 to 600 V AC
Operational voltage
230 V AC
Permitted voltage range
0.85 to 1.1 × Ue
Operational frequency
50 Hz
Display type
Seven-segment display
Number of display digits
3
Connection type
8 pins
Contact configuration
1CO changeover contact
Operating temperature
-5 to +55 °C
Protection rating
IP20
Frequently Asked Questions
What is the EMAS RDV1S used for?
It is used to measure and display AC voltage in industrial control panels, machinery and electrical distribution systems.
What voltage range can the RDV1S measure?
The EMAS RDV1S has a measuring interval of 0 to 600 V AC.
What operational voltage does the RDV1S require?
The panel meter operates from a nominal 230 V AC, 50 Hz supply.
What type of display does the RDV1S use?
It uses a clear three-digit seven-segment digital display for local voltage indication.
How is the RDV1S connected?
The EMAS RDV1S uses an eight-pin electrical connection and should be installed in accordance with the applicable wiring diagram and electrical safety requirements.
Trusted for Industrial Electrical Monitoring
EMAS digital panel meters are used by panel builders, machinery manufacturers and electrical engineers to provide clear and dependable electrical measurement within industrial control and distribution systems.
Voltage
220 V
Manufacturer
EMAS
Series
RD Series
Model
RDV1S
Product type
Digital voltmeter panel meter
Control type
Digital
Measurement type
AC voltage
Measuring interval
0 to 600 V AC
Operational voltage
230 V AC
Permitted voltage range
0.85 to 1.1 × Ue
Operational frequency
50 Hz
Display type
Seven-segment display
Number of display digits
3
Connection type
8 pins
Contact configuration
1CO changeover contact
Operating temperature
-5 to +55 °C
Protection rating
IP20
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Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...