AND Newton EJ [EJ-1202] Portable Precision Balance with External Calibration, 1200g x 0.01g - 127 × 140 mm. The AND Weighing EJ-1202 Newton EJ Portable Balance 1200g x 0.01g is affordable that offers flexible and practical performance. The EJ1202 smartly optimizes counting accuracy with "ACAI" that auto improves accuracy throughout your counting procedure. The EJ1202 external calibration switch and gravity acceleration correction keeps you accurate and precise.