Analog DC 50mA Current meter
This meter is great for monitoring the current of the laser tube to prevent it from being over-driven. .
It is a must-have meter for laser machines, and it can also be used for other DC device current measuring purpose.
Dimension (W x H x D): 63.8mm x55.8mm x 56.3mm or 2.5" x 2.2" x 2.2"
Nuts and washer are included