Keysight technologies u1586b temperature measuring adaptor keysight technologies u1586b p the u1586b temperature measurement adaptor from keysight technologies enables you to use a handheld oscilloscope or multimeter to measure temperature either in deg c of deg f depending on the type of connected sensor a measurement range of 50 to 1000 deg c can be achieved the u1568b has been designed to be used with a k type bead thermocouple p keysight technologies u1586b temperature measuri