All M4 Series handhelds provide convenient electrical signal measurement and sourcing. Measure A+50V or A+100mA, source 24VDC, sink V, or source precise VDC or mA DC values using the supplied test leads. Accuracy is A+(0.015% of Reading + 0.002 units) over the entire operating temperature range. Source or sink values are easily entered using the Adaptive Interface Wheel and right arrow function key.To discuss your application contact us at: [email protected] or visit the Meriam website at www.meriam.com