Simpson 653

AC Ammeter Adapter

For the Simpson 260 Series 2 Through 6

The Model 653 AC Ammeter Adapter has a frequency range of 50Hz  - 30Khz.

Wires are attached to this unit under the six thumb screws along the bottom.

The 260 is set to the A.C. position on the volt selector switch, and the function switch

is set to the 2.5 V. position. Readings are then multiplied by the position you place the wire.

The Simpson 260 can be used normally by setting the switch on the right to "260 Direct"

and using the (-) and (+) jacks on the left side. 

The only input jacks used on this adapter are the common (-) and Positive (+).

Unit Size: 5 - 5/16" x 4 - 3/8" x 3 - 7/16" * Weight: 2 lbs.

Simpson 653 Specifications

AC CURRENT

Ranges: 0-.25, 0-1, 0-2.5, 0-12.5, 0-25 Amperes

Accuracy with Simpson 260 = ± 5% full scale

Accuracy with Simpson 270 = ± 3% full scale

Frequency Response

± 1% From 50 - 60 Hertz

± 2 db From 50 - 2.5 Hertz

Insulation Level

600 Volts RMS Maximum