Simpson 260 Series 6M Multimeter with Leads & Manual-Serviced, Calibrated & Tested
Wednesday, March 5th, 2025
Simpson 260 Series 6M Multimeter w/ Leads & Manual-Serviced, Calibrated & Tested. The Simpson 260 Multimeter is an industry “Gold Standard” VOM since introduced in the 1930s and, with its accuracy, is still the preferred choice for testing professionals. This Simpson 260 Series 6M is a winner as it has been serviced, calibrated, and tested by Steve McKinley of Atlanta Tube Amp, who is a Simpson 260 metrologist and a longtime user of the 260. As part of its servicing. Meter needle adjusted to exact zero. The individual components were tested and, if out of spec, replaced. Switches and potentiometers were resoldered, cleaned, and tested. The meter circuit was calibrated to exactly 5K (this is crucial as it impacts the entire meter operation). Meter used to test its own fresh, new Duracell 1.5V and 9V batteries. Tested 10K 1% resistor. Tested known 120VAC source. Tested 500VDC vacuum tube amplifier. Meter calibrated in a “flat position” as that the way it’s intended to be used. The Series 6M is one of Steve’s favorite models as it. Uses the leads with banana jacks. Has the mirrored scale to help prevent parallax error when reading the meter i. User can see when the needle is directly aligned for accurate reading – BIG PLUS. Has the Off / Transit switch position. Is the first model to use the NEDA 13 F “D” cell and NEDA 1604A (9-Volt) battery combination. Has the separate battery / 1-Amp fuse cover. The Adjust-A-View handle supports the meter in a sloping position for easy viewing. Calibration pots for both the meter and A/C voltages. Get this Simson 260 Series 6M that has been serviced, calibrated, and tested before someone else does! Testing leads and a copy of the Operator’s Manual are included.
