共找到 150 條與 戶外用聲頻報警器 相關的標準，共 10 頁
GB/T 19888的本部分規定了固定式聽覺報警器聲發射級的測試條件。本方法適用于戶外公共報警系統的報警器和用于室外的聲信號裝置。 本部分的目的在于能夠對戶外用固定式報警器聲發射級進行可靠測量。 本部分不適用于言語信息和特殊的報警信號
Acoustics-Stationary audible warning devices used outdoors-Part 1:Field measurements for determination of sound emission quantities
This part of ISO 13475 specifies the test conditions under which the acoustic emission levels of stationary audible warning devices may be obtained
Acoustics - Stationary audible warning devices used outdoors - Part 2: Precesion methods for determination of sound emission quantities
Fire alarm systems. Part 3: Sound alarms
This part of ISO 13475 specifies the test conditions by which the sound emission level of stationary audible warning devices can be obtained
Acoustics - Stationary audible warning devices used outdoors - Part 1: Field measurements for determination of sound emission quantities
Specifies the test conditions by which the sound emission level of stationary audible warning devices can be obtained. The methods are applicable
Acoustics - Stationary audible warning devices used outdoors Part 1: Field measurements for determination of sound emission quantities
該標準規定了入侵報警系統中使用的聲光信號裝置的最小要求，適用于確保外部公眾能夠匿名接收警報，并可能用于對犯罪分子進行威懾。此標準與其它相關入侵報警系統的規范一起使用
Requirements for external alarm sounders for intruder alarm systems
Acoustics. Stationary audible warning devices used outdoors - Field measurements for determination of sound emission quantities
本部分規定了用于戶外的固定聽覺警告設備的現場測量方法，以確定其聲發射量
Acoustics — Stationary audible warning devices used outdoors — Part 1: Field measurements for determination of sound emission quantities
這些指南規定了用于入侵報警系統的外部聲學警報設備的最低要求，適用于向公眾匿名通報入侵情況和在安全區域內安裝以威懾罪犯
Guidelines for Intruder Alarm Systems - Acoustic Signaling Devices for External Use
Alarm systems. Part 2. Requirements for intruder alarm systems. Section 6. Passive infra-red detectors for use in buildings and open sites
AUDIBLE SIGNALS: ALARMS, BELLS, BUZZERS, HORNS, SIRENS AND ELECTRONIC SHIPBOARD
Non-automatic fire alarms (Types A and B) for outdoor use
Audible Signals: Alarms, Bell, Buzzers, Horns, Sirens, and Electronic Shipboard
Railway applications - External visible and audible warning devices - Part 4: Audible warning devices for urban rail
Railway applications - External visible and audible warning devices - Part 4 : audible warning devices for urban rail
