背景

FMS系列能量代謝監(jiān)測系統(tǒng)方案作為SSI家族一款經典、堅固耐用、多用途的高精度高分辨率代謝測量主機，受到以各類昆蟲、實驗動物、小型及中大型野生動物、家禽家畜、人體等為研究對象的生理學、生態(tài)健康、生物醫(yī)學科學家的極度青睞。FMS的再度升級改版，以更小體積、更大的數(shù)據儲存容量、智能化大觸摸屏、更簡化的操作、更合理的價格將再次引爆專注于實驗研究科學家靈活機動的創(chuàng)新性生物新陳代謝研究熱情。

應用領域

野生動物（含媒介動物）適應環(huán)境的行為、生理、進化等研究

以實驗動物為模型的肥胖、心血管、糖尿病、衰老等健康研究

以家畜家禽等經濟動物為研究對象的營養(yǎng)學、溫室氣體排放等研究

以人體為研究對象的運動生理學、環(huán)境模擬生理學、特殊人群營養(yǎng)學等健康研究

技術特點

全新迷你型主機，堅固的外殼，帶搬運手柄，具有最大的便攜性，可在各種復雜野外環(huán)境條件下現(xiàn)場使用

面板32GB SD卡數(shù)據存儲允許即時存儲信息，而無需單獨的計算機

溫度氣壓自動補償，消除環(huán)境溫度氣壓變化引起的誤差

8通道模擬信號輸入，可兼容其它分析儀或傳感器，4通道溫度輸入

超大觸摸屏實時顯示儀器各參數(shù)，可同時顯示氧氣、二氧化碳、水汽壓、大氣壓、相對濕度、模擬輸入信號、儲存大小、取樣情況、日期時間序列等數(shù)據

具備功能強大的擴展端口，可以組成多通道或各種因素控制的全面新陳代謝監(jiān)測系統(tǒng)

具備電源線或鋰離子電池包（4.8 A-H），野外運行時間至少6小時

技術指標

1.傳感器：O2分析儀，燃料電池技術，使用壽命約2年，燃料電池可更換；CO2分析儀，無色散雙波長紅外氣體分析儀；水汽分析儀，薄膜電容傳感器

2.測量范圍：O2，0 - 100%；大氣壓，30-110 kPa；CO2，0 – 5%；水汽壓，0-100% RH（無凝結），溫度0-100°C

3.精度：O2：2-100%讀數(shù)的0.1%；CO2：0-5%讀數(shù)的1%；H2O：0-95% RH讀數(shù)的1%,95-100%優(yōu)于2%;溫度 0.2? C

4.分辨率：O2: 0.001%；CO2: 0.0001%-0.01%；H2O: 0.001%RH

5.信號漂移：溫度恒定的情況下O2: <0.02%每小時；CO2: <0.001%每小時；H2O: < 0.01%RH每小時

6.信號輸入：八個標準電壓雙極模擬輸入，四個溫度輸入

7.模擬輸出：O2, CO2, 2個自定義

8.數(shù)字控制輸出：8個TTL邏輯信號

9.數(shù)字輸出：USB 到RS-232，Sablebus快速接口

10.內置存儲器：SD存儲卡，可達32GB

11.存儲時間間隔：0.1sec到1hr用戶自定義

12.氣流流量：10-1500mL/min

13.流量控制精度：讀數(shù)的2%

14.流量分辨率：0-99.9mL/min為0.1mL/min；100mL/min 以上為1mL/min

15.工作溫度：3-50 °C，無冷凝

16.供電：12-15 VDC，帶220V交流電適配器；可選配鋰電池供電，方便野外操作。

17.尺寸：35cm×30cm×15cm

18.重量：4kg

19.呼吸室和代謝測量方案定制（如下圖）

典型應用一

Comparison of the CO2 ventilatory response through development in three rodent species: Effect of fossoriality，Sprenger R J, Kim A B, Dzal Y A, et al. Respiratory physiology & neurobiology, 2019, 264: 19-27.

典型應用二

Greater energy demand of exercise during pregnancy does not impact mechanical efficiency，Denize K M, Akbari P, da Silva D F, et al. Applied Physiology, Nutrition, and Metabolism, 2019.

美國婦產科學院和加拿大的婦產科醫(yī)生協(xié)會發(fā)表了最新的孕婦活動指南，建議孕婦進行150分鐘中等強度運動以減少妊娠并發(fā)癥，有利于母體和嬰兒的健康。然而懷孕（嬰兒作為特殊負重）是如何影響孕婦的能量投入、活動體能和機械效率的卻了解很少。該研究通過FMS便攜式能量代謝儀來定量化不同運動程序的能量消耗和機械效率。

產地

美國

部分參考文獻

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