Đồng hồ vạn năng kỹ thuật số Keysight U1253B

This device features a 50,000 count dual display for accurate and stable readings, an OLED screen with high contrast and wide viewing angle, and includes a 20 MHz frequency counter. It also has a square wave generator for circuit testing and calibration, integrated Ni-MH rechargeable battery, and meets high safety standards of CAT III 1000 V and CAT IV 600 V.

• The description claims the device meets high safety standards of CAT III 1000 V and CAT IV 600 V.