Special Features
Requested name test set, ground-resistance; unit includes a dc/ac inverter, ac potentiometer, measuring dial, and galvanometer; operate by adjusting the dial until the galvanometer shows a balanced condiditon, resistance is read directly on the dial scale; accuracy from 2 ohms to 200 ohms is porm 2.5 pct
Overall Depth
4.870 inches
Overall Height
4.870 inches
Overall Width
7.500 inches
Frequency Rating
Between 0.0 hertz and 500.0 hertz
Furnished Items And Quantity
1.5v batteries 4; measurement leads 3; earth spikes 2; carrying case 1; accessory case 1; instructions 1
Indicator Type
Dial w/pointer
Installation Design
Hand held
Accuracy In Percent
-5.0/+5.0 at full scale 1st indicator all ranges
Functional Description
Measures ground connection resistance of electrical installations such as those found in power plants, industrial plants, high-tension towers, and lightning arrestors; measures earth reisitance from 0 to 1000 ohms and voltage up to 30 v
