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Model 5000 Desiccant Canister
An ideal for protecting your equipment from rust, corrosion, mold and mildew. It is also reusable by recharging in a standard oven.
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Model 5330 Surge Supressor
Lightning protection for low voltage data signal lines
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Model 5508 Quartz Clock
Utilizes a laser tuned hermetically sealed Quartz oscillator to control a chart drive for type A and F Recorders.
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Series 5600 Batteries
Our valve- regulated batteries set the standard for quality and excellence in rechargeable lead-acid technology.
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Model 5603 Battery Float Charger
Designed to provide optimum life to your batteries in standby applications.
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Model 5605 Battery Maintenance System
The Model 5605 Battery Maintenance System is an intelligent, micro-controller based charge/discharge system. It is used to test the ability and fully characterize a battery.
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Model 5606 Battery Charger
A quality unit that converts standard 120 VAC, 60 Hz into regulated 13.8 VDC power. It is ideal for Store & Forward Repeaters.
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Model 8000-3 Modem Lighting Protection Device
The Model 8000-03 Telephone Modem Protection Device is used on the telephone input line to give maximum protection against lightening strikes.
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Model 9000 Automatic Gate Control
A complete data sheet is not available at this time. Please call HSE for information.
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Series 9900 Shaded Relief Maps
The 9900 Series of shaded-relief maps are manufactured by Raven Maps and Images. The combine exquisite detail and beautiful artwork to create a precise representation of an area. All maps are available at discount prices.
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