Instruments
Electrical Gauges: Precision Monitoring
This category includes 17 electrical gauges, with display sizes ranging from 5-inch (117 mm) large-face gauges, 85 mm GPS speedometers, and 80 mm tachometers, up to a 52 mm (2-1/16") gauge series. The products are intended for OEM / ODM integration and OEM / aftermarket applications on heavy-duty trucks, commercial buses, industrial equipment, generator sets, and commercial marine vessels. The series is built on stepper motor and air core movements with PCB circuit design, paired with dedicated sensors for oil pressure, coolant temperature, fuel level, and air pressure, with applications covering engine RPM measurement, oil pressure monitoring, coolant and oil temperature monitoring, fuel level display, voltage and current monitoring, and brake air pressure monitoring.
EW80640
• Electrical Ammeter (±30 Amps)
• -30 to +30 Amps Bidirectional Current Measurement
Technical Specifications
|
Diameter |
2-1/16" (Ø 52 mm) |
|
Full-Scale Range |
-30 – 0 – +30 Amps |
|
Accuracy |
±10% of full scale |
|
Standards |
Compliant with JIS D5604 and JIS D0204 |
|
Service Life |
Zero-to-full-scale: 30000 cycles |
|
Backlight |
Incandescent lamp |
|
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 EW80640 is a 52 mm (2-1/16") electrical ammeter with a bidirectional measurement range of -30 to +30 Amps and ±10% accuracy, for electrical current monitoring on vans, light trucks, and auxiliary electrical systems, in both OEM dashboard integration and aftermarket replacement applications. OEM / ODM customization is available on request.
Compliant with JIS D5604 and JIS D0204 standards. 30000-cycle service life, incandescent (LAMP) backlight, and automotive-grade -40°C to +85°C operating temperature.
Key Features
▸ Bidirectional Current Display
-30 to +30 Amps range — for light-duty vehicles and auxiliary systems.
▸ Long-Duration Durability
30000-cycle service life with incandescent backlight.
▸ Vibration-Resistant Design
Compact 52 mm form factor — suits vehicles and equipment with frequent vibration.
▸ Customizable Specifications
Display layout and measurement ranges can be configured per OEM requirements.
Applications
For low-current measurement on vans, light trucks, auxiliary electrical systems, agricultural machinery, construction equipment, forklifts, generator sets, and commercial marine vessels. Supports both OEM integration and aftermarket upgrades.