Instruments
Electrical Gauges: Precision Monitoring
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EW80531
• Electrical Voltmeter (Air Core Movement)
• 8–16 VDC Air Core Voltage Measurement
Technical Specifications
|
Diameter |
2-1/16" (Ø 52 mm) |
|
Movement |
Air Core Movement |
|
Full-Scale Range |
8 – 16 VDC |
|
Accuracy |
±3% of full scale |
|
Standards |
Compliant with JIS D0204 |
|
Service Life |
8 V to full-scale: 30000 cycles |
|
Backlight |
Incandescent lamp |
|
Operating Voltage |
12 / 24 VDC |
|
Automotive-Grade Operating Temperature Range |
-40°C to +85°C |
|
Storage Temperature |
Per SAE J1810: -65°C to +85°C |
|
Ingress Protection |
IP67 (front side) |
Product Description
Overview
The EW80531 is a 52 mm (2-1/16") electrical voltmeter with an air core movement and PCB circuit design. Measurement range 8–16 VDC with ±3% accuracy, for battery voltage and charging system monitoring on commercial vehicles, heavy-duty equipment, and generator sets, in both OEM dashboard integration and aftermarket replacement applications. OEM / ODM customization is available on request.
Compliant with JIS D0204. 30000-cycle service life, incandescent (LAMP) backlight, and automotive-grade -40°C to +85°C operating temperature.
Key Features
▸ Battery and Charging Monitoring
8–16 VDC range for monitoring battery and charging system status.
▸ Dual-Voltage Compatibility
Operates on 12 / 24 VDC vehicle systems.
▸ Air Core Movement
Smooth pointer motion under higher-frequency vibration conditions.
▸ Customizable Specifications
Display layout and measurement ranges can be configured per OEM requirements.
Applications
For voltage monitoring on heavy-duty trucks, buses, coaches, agricultural machinery, construction equipment, forklifts, generator sets, and commercial marine vessels. Supports both OEM integration and aftermarket upgrades.