Simpson 260 Series 4

Analog - VOM


The Simpson 260 Series 4 takes the banana jack type test leads.

No Taut Band Suspension or mirrored dial on this model. The Series 4 continued with the self shielding

meter movement with the spring loaded jewels that was introduced on the Series 3A.

Controls include: Ohms zero adjustment, AC - DC - Output, a 12 position Function / Range

selector switch, and eight recessed probe jacks. 

The back of the case has an "adapter lock" for use with add-on accessories such as the 625 temperature adaptor.

The inside view shows the improved printed circuit board, now with a calibration circuit.

 The batteries can be installed without taking the whole unit apart, only the back of the case needs to be removed.

More inside views linked below.

The batteries used in this model are a single "D" cell, plus four "AA" batteries, there are two "AA"

below the "D" and one "AA" on each side.

Case Size: 5 " x 7 " x 3"  -  Weight: 3 Pounds  -  In 1966 the Simpson 260-4 sold for $48.95

Simpson 260 Series 4 Specifications


Ranges 2.5V, 10V, 50V, 250V, 1000V

Accuracy 2% of full scale * Sensitivity 20K ohms per volt


Ranges 2.5V, 10V, 50V, 250V, 1000V

Accuracy 3% of full scale * Sensitivity 5K ohms per volt

Rated Circuit-To-Ground Voltage Unknown


4 Ranges +10, +22, +36, +50dB


Ranges 50μA, 10mA, l00mA, 500mA

Accuracy 3% of full scale


Ranges Rx 1, Rx 100, Rx 10K

Accuracy 3 of arc

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