Indicator lamps show when the relay is open or closed. An external 12 Volt source can also be used. A battery warning light is provided. Compatible with state of the art field measuring techniques. It has no contacts to wear or burn.
Indicator lamps show when the relay is open or closed.
An external 12 Volt source can also be used. A battery warning light is provided. When the indicator lights, the battery should be replaced. Will outlast hundreds of 12 Volt lantern batteries. It will outlast hundreds of 12 Volt lantern batteries and can be used over a wide operating temperature range under rugged field conditions.