Auto ranging ESR Low OHM circuit capacitor metre tester. Measuring range from 0. 001 to 100. to measure the ESR value, 1 ) Accuracy: up to 1 % 2 ) High resolution: 4 Digit, or 0. 001 OHM @ 1 OHM range as per specification attached in Annexure. Note: Item to be supplied along with warranty certificate and calibration certificate.