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The head with an external shunt, must be connected to a shunt can be powered! Remember! If you do not connect the splitter sometimes lead to op amp input voltage is too high, burned opener!
This meter head power supply range is 4 ~ 30V (out of range will burn), the measurement range is 0 ~ 100V
Size: 48 x 29 x 22 mm
Color: Red and Blue.
Mounting hole: 46 x 27 mm
Working temperature: -10 ℃ ~ 65 ℃
Operating current: <20mA
Package List: 1 x100V 10A DC Digital Voltmeter Ammeter
Working voltage:4.5-30V DC
Display: 0.28" Two color blue and red
Measuring range: DC 0-100V 0-10A
Minimum resolution (V): 0.1V
Refresh rate: ≥100mS / times
Measure accuracy: 1% (± 1 digit)
Minimum resolution (A): 0.01A
Working pressure: 80 to 106 kPa