DROK® Small LCD Digital Blue Backlight DC 500A Ammeter Ampere Panel Meter Amp Gauge Positive and Negative Current Monitor Amperage Tester with Current Shunt;

Technical Parameters:
Operating voltage: AC / DC 8 - 12V
Measurement range: DC 0-500A(need external shunt)
Operating current: <15mA
Display: LCD, blue backlight, character height 20mm
Dimensions: 79 x 43 x 25 mm
Installation hole: 76 x 39 mm
Net weight: about 60g
Measuring rate: ≥2 times / S
Over-range display: the first shows "1" or "-1"

Extreme working conditions:
Working temperature: -10 ~ + 50 °c
Operating Humidity: 10 ~ 80% (non-condensing)
Working pressure: 80 ~ 106 kPa
Sun exposure: no direct exposure

Notes:
Please determine the “+” and “-” of the products before use
Please choose TWO fully isolated, stable power supplies during using
Power supply requirements for the header: EI power supply (silicon steel), output voltage 5V+/-0.5
Please using a switching power supply with a small ripple factor
If shunt is no needed, please follow the '+' and '-' electrodes directly into the tester

Package Includes:
1x LCD Digital Ammeter
1x 500A Shunt