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Hi/Lo Voltage Detector
Protects Electrical Equipment from Burning Out
Model 810
Protect Your Expensive Motors
The Model 810 High/Low Voltage detector is designed to protect electrical equipment from the effect of voltage drops that occur in long extension cords or from undersized generators. All power cords and equipment connected down the line from the device are protected.

PRICE:   $234.00-$290.00

An Easy to Use Product at a Practical Price!


Easy Installation
Unit comes with a cord set, replacing the product's normal power cord.
Compact Design
Lightweight design minimizes bulk on the cord set.
Durable Housing
Thermoplastic high impact resistant housing is durable and waterproof.
Automatic Protection
The voltage is continuously monitored for prolonged voltage variation. If the voltage remains low for two seconds, the power is interrupted.
Safe Restart
If the power is interrupted, the equipment will remain off for 10 seconds before restarting.
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.

Rating Input:       
120V, 20A, 1.5 Hp
Power Consumption:
6 Watts (Maximum)
Low Voltage Drop Out:
105 +/- 2V, two second delay
High Voltage Drop Out:
150 +/- 2V
Rugged, flame retardant ABS thermoplastic
Operating Temperature:
2 inches high, 2 inches wide, 5.5 inches long plus power cord
Approximately 10 oz.
810-6      12/3 x 6ft SJOW-A, for metal-case products
810-11   12/2 x 30ft SOW-A, for double-insulated products $253.00
40811     Modification to work with Clark DV8 Sensor $30.00

Model 810 Hi/Lo Voltage Detector
• User's Manual
• One Year Parts and Labor Warranty



"We were replacing armatures and fields all the time. Since we have installed the 810's, we hardly ever have to work on a hammer. They are fantastic!"

Bill Miller
Shilo Equiptment



Nationally Recognized Sotcher Measurement Inc. test equipment is in common use throughout the United States by major manufactures of power tools and appliances.