On the Klein Tools Cat. No. MM300, Digital Multimeter, Manual-Ranging, 600V, “OL” indicates an open circuit when testing continuity. During diode testing, it indicates reverse bias or an open device.
The Klein Tools Cat. No. MM300, Digital Multimeter, Manual-Ranging, 600V includes an instruction manual with detailed operating instructions for measuring voltage, current, resistance, continuity, diodes, and batteries. Please refer to the instruction manual that was included with the meter for complete operating instructions. If you no longer have the manual or need additional assistance, please contact Klein Tools Customer Service at customerservice@kleintools.com and we will be happy to help.
Please contact Klein Tools Customer Service 1-800-553-4676 for assistance with your meter.
For information on calibration certification please contact Klein Tools Customer Service 1-800-553-4676
For information on calibration certificates please contact Klein Tools Customer Service 1-800-553-4676
Yes, batteries are included.
39 in.
The Klein Tools MM300 Multimeter will measure DC millivolts.
The Klein Tools MM300 Multimeter has 2 replaceable fuses: 200mA/600V fast-blow fuse (Klein Cat. No. 69031) 10A/600V fast-blow fuse (Klein Cat. No. 69032)
