NO STOCK - BACK ORDER Controller/Microphone For Use With Vault Sound Alarm System Kit VSA1 The VSA series is a self-contained sound detection system listed by Underwriters Laboratories, Inc. for the primary protection of reverberant and non-reverberant vaults, such as bank and mercantile vaults. The VSA system contains a microprocessor driven DC differential balance...
Vault Sound Alarm System Special Order The VSA series is a self-contained sound detection system listed by Underwriters Laboratories, Inc. for the primary protection of reverberant and non-reverberant vaults, such as bank and mercantile vaults. The VSA system contains a microprocessor driven DC differential balance control which is adjusted so that the impedance of the microphone circuits are balanced with the...
Vault Sound Alarm System Kit Replaces Potter VSAS and Potter VSASF The VSA series is a self-contained sound detection system listed by Underwriters Laboratories, Inc. for the primary protection of reverberant and non-reverberant vaults, such as bank and mercantile vaults. The VSA system contains a microprocessor driven DC differential balance control which is adjusted so that the impedance of the microphone...
SPECIAL ORDER NO ETA Electronic Vibration Detector Special Order The EVD-1, Electronic Vibration Detector, is listed by Underwriters Laboratories, Inc. for primary protection of Mercantile or Bank, safe or vault, ATM machines and supplementary protection of interior units such as filing cabinets, display cases, walls and ceilings. The detector must be used with an...