The Metravi CAL 400 3 is a portable instrument for Calibrating process devices and measuring Process signals. The Instrument Powers or measures a two-wire Current loop. Four functions provide the quality and accuracy of the handheld calibrator. It comes with an LCD. The max display counts till 1999. The accuracy of the calibrator is ±0.25%. A product of Metravi, this product is excellent in its precision and accuracy in calibration. The India-based company is known for the quality of electrical and electronic products used for measurements. Product Features: Accuracy: +/- 0.25 percent Brand: Metravi Country of Origin: China Current Source Range: 0-19.99/24 mA Model: CAL 400 3