首頁(yè) >> 精密實(shí)驗(yàn)室頻率源 >> 5071A 銫原子頻率標(biāo)準(zhǔn)銫原子頻率標(biāo)準(zhǔn)
5071A 銫原子頻率標(biāo)準(zhǔn)銫原子頻率標(biāo)準(zhǔn)
銫原子頻標(biāo) 獲取報(bào)價(jià)
產(chǎn)品描述
Microsemi(并購(gòu)了Symmetricom公司) 5071A銫鐘（原Agilent產(chǎn)品），多年來(lái)由于其工作的高可靠性及優(yōu)異的準(zhǔn)確度、穩(wěn)定性，在全球時(shí)頻領(lǐng)域得到廣泛的認(rèn)可和使用。5071A操作簡(jiǎn)單方便，深受用戶喜愛。閃爍本底指標(biāo)低達(dá)≤1.0E-14。內(nèi)部銫束管有標(biāo)準(zhǔn)長(zhǎng)壽命管和高性能管可選。標(biāo)準(zhǔn)銫束管保修期達(dá)5年。
5071A—滿足一級(jí)計(jì)量校準(zhǔn)實(shí)驗(yàn)室要求。
國(guó)際上各守時(shí)和國(guó)家標(biāo)準(zhǔn)實(shí)驗(yàn)室證實(shí)了其內(nèi)部銫標(biāo)準(zhǔn)源相對(duì)于UTC的穩(wěn)定性和準(zhǔn)確度。一個(gè)標(biāo)準(zhǔn)源的準(zhǔn)確性和可靠性決定了守時(shí)實(shí)驗(yàn)室的服務(wù)質(zhì)量；標(biāo)準(zhǔn)源的穩(wěn)定性也極其重要，因穩(wěn)定性能直接影響實(shí)驗(yàn)室給客戶傳遞時(shí)間和校準(zhǔn)服務(wù)的能力。
5071A提供優(yōu)異的穩(wěn)定性，也是首臺(tái)列明了超過一天平均時(shí)間的穩(wěn)定性指標(biāo)的銫頻標(biāo)。
5071A使用方便，自動(dòng)啟動(dòng)和調(diào)整，無(wú)需手動(dòng)啟動(dòng)步驟和復(fù)雜的調(diào)整操作。邏輯菜單簡(jiǎn)化了前面板操作，選擇和狀態(tài)報(bào)告。遠(yuǎn)程控制功能滿足用戶的全面操作和易于管理的需求。
技術(shù)指標(biāo)
• Maintains exceptional accuracy andstability even in unstable environments—unsurpassed stability in the lab or field
• Accuracy ±1.0 x 10–12 for standard performance; ±5.0 x 10–13 for high performance
• Stability ≤1.2 x 10–11 for standard performance; ≤5.0 x 10–12 for high performance(for 1 second averaging time)
• Environmental stability ±1.0 x 10–13 forstandard performance; ±8.0 x 10–14 forhigh performance (frequency changefor any combination of environmentalconditions)
• Long-term stability ≤5.0 x 10–14 for standard performance; ≤1.0 x 10–14 for highperformance (for 5-day averaging time)
• Proven reliability with an average meantime between failures (MTBF) of greaterthan 160,000 hours
• Full traceability to NIST
• AC and DC input and internal battery 網(wǎng)絡(luò)協(xié)議
NTP v1.v2.v3&v4(RFC1119&1305) SNTP(RFC2030) MD5 Authentication（RFC1321）Telne（t RFC854） NTP Unicast,Broadcast,Multicast,Autokey TIME（RFC868) FTP（RFC959）DAYTIME（RFC867) DHCP (RFC2131) RSA 非對(duì)稱加密 HTTP/SSL/HTTPS（RFC2616) SNMP v1,v2、 SSH/SCP (Internet Draft) MIB II (RFC1213)
WEB 網(wǎng)管監(jiān)控實(shí)時(shí)監(jiān)控統(tǒng)狀態(tài)，包括 RAM、CPU 利用率及進(jìn)程、CPU 平均負(fù)載、磁盤分區(qū)信息、系統(tǒng)正常工作時(shí)間、系統(tǒng)正在運(yùn)行時(shí)間等；顯示系統(tǒng)信息，包括主機(jī)名稱、操作系統(tǒng)內(nèi)核版本、內(nèi)存、CPU 信息、系統(tǒng)定時(shí)任務(wù)等；實(shí)時(shí)監(jiān)測(cè)網(wǎng)口傳輸速率，監(jiān)測(cè)網(wǎng)絡(luò)連接，ARP 緩存表，網(wǎng)口帶寬顯示；可直接查詢最近登錄服務(wù)器的 IP 地址和登錄日期，及正在登錄賬戶信息。 |
重要特點(diǎn)
● 全狀態(tài)信息顯示
● 自動(dòng)記錄主要內(nèi)部事件
● 全面的時(shí)鐘和頻率控制
● 自動(dòng)同步1PPS信號(hào)
● 輸入：1PPS x 2
● 輸出：5 / 10 MHz x 2(可自設(shè)置)；100KHz x 1；1MHz x 1；1PPS x3
重要功能
High-Performance Cesium Beam Tube
The 5071A high performance cesium beam tube is optimal for the most demanding operations. The high-performance tube offers a full-environment accuracy specification of ±5.0 x 10–13 —two times better than the specification for the standard tube. Stability is also significantly improved. The high-performance tube reaches a flicker floor of 1.0 x 10–14 or better, and longterm measurements at NIST show that the flicker floor is typically better than 5.0 x 10–15.
Integrated Systems and Remote Operation
Today, cesium standards are often integrated into telecommunication, satellite communication, or navigation systems asmaster clocks. To accommodate these environments, the 5071A
provides complete remote control and monitoring capabilities. Instrument functions and parameters can be interrogatedprogrammatically.
Communication is accomplished using the standard commandsfor programmable instruments (SCPI) language and a dedicatedRS-232C port. Also, a rear panel logic output can be programmed to signal when user-defined abnormal conditions exist.
For uninterruptible system service, an internal battery provides45 minutes of backup in case of AC power failure. Thus,the 5071A can be managed easily even in the most remotelocations.
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