MB3100/MB4100 Series
AC power supply--DC measurement digital voltmeter

Features:
Delicate appearance, accurate measurement, reliable performance, standard signals configurable (75mV, 0-10V, 4-20mA), display arbitrary value, scale expansion executable.

MB4100USB Series
--PC display installation type digital display meters:
Functional features:

USB output in meters can synchronously and accurately display the value on the display meter on PC, very convenient.
Flexibly change display background color and display character color.
Discretionarily zoom in or zoom out the digital character��s magnitude.
If the safety status of measured value displaying scope is required to be set up, change auto change background color of set value, set the safety value to be green, pre-warning value to be yellow and alarm value to be red (when up to set value, the computer can automatically change the background color).
If record for measured value change situations for a period of time is required, just print the recorded value through USB disk storage and playback conveniently.
Hot-swappable.
Connect multiple digital display meters. USB interfaces have several ports, so several digital display meters can be connected to PC simultaneously. If a USB HUB has four ports, four digital display meters can be linked, and so forth. Connection can be made as much as you can, and no any problems will occur. (Note: the maximum quantity for connection with digital display meters are 127.)