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GSV300: How it works


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Transtar Products, Inc.
767 Warehouse Road
Suite C
Toledo, OH 43615 USA
1-866-660-3900
419-385-7573
Fax: 419-385-0747

Click the Transtar logo above to visit our
corporate web site.

The Generator Self Test Verifier (GSV300) is an electronic device that monitors the generator voltage output. During a generator auto-start exercise, the GSV300 monitors the voltage for a period of two minutes and checks to make sure that the voltage is in a range of plus or minus 10 per cent of the correct output. If it detects the correct voltage for the prescribed time, it will reset and wait for the next exercise. If the GSV300 does not see the correct voltage for the two minute period, it will then go into the alarm condition, sounding an audible alarm and will close a set of auxiliary contacts. These auxiliary contacts invoke an optional digital communicator, if installed. See Off-site monitoring

Click to see our basic model GSV200.

See all 15 functions that GSV300 monitors and displays

The GSV300 will remain in alarm condition until it is reset manually. At this time it will start the monitoring process again.

The GVS300 supports all voltages:
1 phase 120V-240V,
3 phase 120V-208V,
3 phase 277V-480V,
3 phase 220V-380V,
3 phase 240V,
3 phase 480V.
It supports four different exercise cycles times: 8
days, 15 days, 22 days, and 31 days. The GSV300 also has a five minute test cycle for use in set up.

A 2x16 character LCD screen displays the status of over
15 functions and events and allows the user to enter all setup parameters.
See Monitored functions

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Generator owners–
let us give you peace
of mind.

It is an alarming fact that during a recent widespread power outage, less than half of the stand-by generators in the affected area started as expected. Have the Generator Self-test Verifier installed with the optional remote monitoring package and you'll know that you're in that "Not to Worry" group of owners who are confident their generators will perform when needed.

What about a generator that doesn’t stop running? Generator runaway is an undesirable and potentially costly malfunction. Although it may have many causes, the best way to detect and correct it is to include a GSV300 in every backup generator installation. The peace of mind and protection gained are an essential addition to any owners maintenance effort.

Verify...and know.

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