Sentry 11

Provides maximum protection from transient surges that often occur as a result of lightning, line surges & capacitor tripping. The Sentry 11 provides clamping voltage of +/- 209 volts peak with surge protection up to 3 KV. Click here to view a PDF of the sentry 11 for more information.

$25 Each

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Sentry 20

Provides isolation between an originating contact closure that requires a low voltage/current contact rating and one or two end devices. Typical end devices are customer-owned energy management equipment, recording equipment and redundant metering equipment. Click here to view a PDF of the sentry 20 for more information.

$140 Each

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Sentry 30
Isolation Relay

Accepts one Form C open collector or relay contact input and provides up to three isolated bistable outputs. The bistable output prevents propagation of contact bounce from the input relay and also eliminates extraneous pulses during power up or power down. Click here to view a PDF of the sentry 30 for more information.

qty:	Select type 1 Output Relay - $120 2 Output Relay - $135 3 Output Relay - $150

An all solid state version of the sentry 30, the Sentry 30-E is a direct replacement with all mounting holes and terminal block locations identical to its predecessor. Click here to view a PDF of the sentry 30-E for more information.

$110 Each

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Provides an electronically isolated interface between the output of the utility meter and the electronic measuring equipment. Click here to view a PDF of the sentry 50 for more information.

qty:	Select type Without enclosure $120 With enclosure - $160

Isolation relay and totalizer, this combination piece is a microtroller-based isolation relay designed for electric metering applications that require multiple outputs. Click here to view a PDF of the sentry 70 for more information.

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$250 Each

The Sentry 210 Totalizer accepts two inputs: two form A, two form C, or one of each form. It provides two isolated, totalized outputs, both form C. Click here to view a PDF of the sentry 210 for more information.

$400 Each

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With programmable time-of-use capabilities, imput to output mapping, and synchronization of end of interval with external device. Click here to view a PDF of the sentry 804 for more information.

$1200 Each

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A microprocessor based totalizer with tremendous programming capabilities and numerous software options available.
Click here to view a PDF of the sentry 2430 for more information.

$600 Each

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Same qualities as the Sentry 2430 but without the display on the front cover. A microprocessor based totalizer with tremendous programming capabilities and numerous software options available. Click here to view a PDF of the sentry 2420 for more information.

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A DSP based high performance electronic data collector which captures and accumulates energy consumption at the metering site. Click here to view a PDF of the sentry 300-EG for more information.

$550 Each

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Provides a highly effective solution for total energy control. The DMS 2100 is an affordable means of monitoring energy consumption, reducing or avoiding peak demand charges and lowering usage cost.

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Lightweight and easy to use. Battery operated with automatic power-saving cut off. Weatherproof. Excellent field tool for troubleshooting ERTs and ERT compatible devices. Reads the Invensys Icon Meter and Schlumberger R300, R200 and Centron with ERT module. Click here to view a PDF of the sentry 850 for more information.

$350 Each

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Sentry 16K/9S-1

The Sentry 16K/9S-1 adapter has been designed to replace self contained 600 Amp K Base meters with a form 8S/9S electronic meter without degrading the metering installation. The adapter is completely self contained with very accurate 400:5 Current Transformers with a rating factor of 1.5, and by-pass switches that short the CT’s when the meter is not in the circuit. Click here to view a PDF of the sentry 7000 for more information.

$250 Each

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Cleans up to 800 meter bases per 8-hour shift. Removes all but the toughest grease from stabs. Environmentally friendly uses clean water only. Uses 120 volt - no special wiring needed. Stainless steel construction resists corrosion. Brush life is up to 30,000 meter base cleanings. Click here to view a PDF of the sentry 7000 for more information.

$5000 Each

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