RioRand Digital Amp Gauge 300A DC Current Panel Meter High Accuracy Red LED Display

Features:
Dimensions: 79 x 42 x 27 mm
Cutting size: 76 x 39.5 mm
Operating voltage: DC +5 V +/- 0.5
Operating Current: <100mA
Measure range : 0-300A (need an extra shunt)
Display: 4 1/2 0.56" Red LED digital tube
Input impedance:> 1 Mohm
Measurement rate: >/= 2 / S
Over-range display: "H"
Working temperature: -10 ~ +50 °c
Operating Humidity: 10 ~ 80% (non-condensing)
Working pressure: 80 ~ 106kPa
Sunlight: No direct exposure
SMT process
Quartz crystal, high accuracy
Case closure,pure flat displayed
limiting resistor, LED digital tube consistent brightness
With Calibration potentiometer
Selectable decimal point position
Can Measure positive and negative mps
Power supply with polarity protection circuit
Package include:
1x Digital Ammeter
(Does not include shunt)