Model 311

Testing Electrical Tools for Safety

The Model 311 SHORT STOP offers a fast and easy way to check your electrical tools for safety. Just plug in the tool, turn on the power switch, attach the ground clip, and operate two switches. The PASS/FAIL lamps will tell you if the tool is safe or not. It is ideal for repeated testing of small tools, appliances, and extension cords drawing up to 20 amperes.

This is our lowest cost tool tester that meets your insurance liability requirements.

Model 311


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Full 20A current capacity
All 120V power tools in common use can be tested.

Low Maintenance
The Model 311 SHORT STOP offers solid state electronic circuits, dependable neon displays, and components recognized by Underwriters Laboratories.

Double Insulated Case
For your safety.

Tests Extension Cords
A built-in extension cord tester checks continuity and ground wire resistance.

User Friendly
The PASS and FAIL lamps make it so easy that employees are encouraged to check their tools before each use.

Built, Sold and Serviced in the U.S.
For over four decades Sotcher Measurement, Inc. has provided latest state-of-the-art electrical test equipment that is easy to use and maintain. Our customers rely on our products to verify the safety of the electrical devices they rent, use or manufacture. We feel this commitment very deeply. In response, we do our utmost to insure that the products we offer are of the highest quality and performance, consistent with good value.

We continue to design, manufacture and service all of our products in the United States. We are proud to be able to offer our customers fine American products that are easy to use at a practical price.

Input Voltage: 120VAC, 20A, 60Hz
Output Voltage: 120VAC, 20A, 60Hz
Dimensions: 5 inches high, 9 inches wide, 10-1/2 inches long
Weight: Approximately 6 pounds

Order Model 311

To place an order, submit the order form below. We will follow up shortly to finalize your order details.