4 1/2 digit Ammeter Power supply:DC5V Major used in precise instrument Major use in precise instrument SpecificationPower supply: DC5V Digital display: 4 1/2 (19999 count)High-accuracy ± 0.05 % +3DigitRelative humidity: 20--80%Installation method: InlayTapping size: (76+0.1)mmX (39+0.1)mmDimension: (W)79mm X(H)42.5mmX (D)25.5mmNet weight: 50g Model Digit displayFull measurementResolution Accuracy ...