Simpson 260® Series 8PRT
Analog - VOM
Simpson Catalog Number 12392
Included with the Simpson 260-8PRT are the test leads & alligator clips,
operators manual, both batteries, and both fuses with a spare 1 amp fuse.
The Simpson 260-8PRT has Taut Band Suspension and a mirrored dial to eliminate parallax errors.
Controls include: Ohms zero adjustment, AC - DC Voltage and audible continuity selector switch,
and a 12 position Function / Range selector switch. Eight recessed probe jacks.
The overload reset button is on the left side of the Simpson logo.
The transit position is the +D.C. position.
Two fuses are used in this model and are located between the batteries.
The 2 Amp and 1 Amp fuses are under the silver plate which rotates to allow removal.
A spare 1 Amp fuse is also held in place by the rotating plate.
Fuses required: 1 Amp 250 Volt type 3AG Littlefuse Type # 312001 or equivalent, and
a 2 Amp 600 Volt Littlefuse BLS2 or Bussman BBS2 or equivalent.
More inside views linked below.
This photograph shows the locations of the fuses and batteries in the back of the meter.
The 1 1/2 Volt "D" cell is used to power the R X 1 and R X 100 Ohms ranges.
The 9 Volt battery is used to power the R X 10,000 Ohms range and the overload circuits.
The batteries are accessed through a removable cover on the back with a coin-slot screw.
Roll Top Case Size: 9 " x 6 ½ " x 4 ¾ " - Weight: 5¼ Pounds
Ranges 250mV, 1V, 2.5V, 10V ,25V, 50V, 250V, 500V, 1000V
Accuracy 2% of full scale * Sensitivity 20K per volt
Ranges 2.5V, 10V, 25V, 50V, 250V, 500V, 1000V
Accuracy 3% of full scale * Sensitivity 5K per volt
Rated Circuit-To-Ground Voltage 1000V (AC or DC) max.
5 Ranges -20 to +50dB *Reference 0dB= 1mW into 600Ω
Ranges 50μA, 1mA, 10mA, l00mA, 500mA, 10A
Accuracy 1.5% full scale 5OμA, 2.0% of full scale, all other
Voltage Drop: (Nominal) 250mV on 50μA , 1mA; 255mV on 10mA , 10A; 300mV on 100mA, 500mV on 500mA
Ranges Rx 1, Rx 100, Rx 10K
Accuracy 2.5° of arc on Rx1, 2.0° of arc on other
Maximum Indication 0-2KΩ, 0-200Ω, 0-20MΩ