Simpson 8455

Line Loop Tester

The Simpson 8455 Line Loop Tester ships with a manual, test leads, battery and carry case.

The manual is available for downloading from the here.

An inside view, not much to see. The circuit board has a 1991 date on it. The leads are from J.S. Popper, Inc.

Controls include, On/Off switch, test lead reverse switch, R10 Push-Button and a battery

adjustment knob. The R10 button changes the resistance range from 0-2MΩ to 0-200kΩ while pressed.

The battery adjustment allows for zeroing the test leads on kΩ.

 Size: 3-5/8 " x 5-1/2" x 2-1/2"    Weight: 16 Ounces

Simpson 8455 Specifications

DC Volts

Range: 0-100 Volts  (0-100 Points)

Accuracy: 2% of full scale.

Sensitivity: 1000Ω/V


Rx1 = 0 - 2 MΩ  /  R10 = 0 - 200 kΩ

Rated Circuit-To-Ground Voltage

100 Volts DC


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