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簡要描述:專為腦電類產(chǎn)品共模抑制比設(shè)計(jì)的專用測(cè)試儀,絕緣及接地設(shè)計(jì),可量測(cè)更好的CMRR值,符合IEC80601-2-26:2019國際醫(yī)療標(biāo)準(zhǔn)性能測(cè)試要求,適用于研發(fā)、法規(guī)符合性及產(chǎn)線測(cè)試。
產(chǎn)品簡介
專為腦電類產(chǎn)品共模抑制比設(shè)計(jì)的專用測(cè)試儀,絕緣及接地設(shè)計(jì),可量測(cè)更好的CMRR值,符合IEC80601-2-26:2019國際醫(yī)療標(biāo)準(zhǔn)性能測(cè)試要求,適用于研發(fā)、法規(guī)符合性及產(chǎn)線測(cè)試
產(chǎn)品參數(shù)
1.專為腦電類產(chǎn)品共模抑制比設(shè)計(jì)的專用測(cè)試儀,較佳的絕緣及接地設(shè)計(jì),可量測(cè)更好的CMRR值,符合IEC80601-2-26:2019國際醫(yī)療標(biāo)準(zhǔn)性能測(cè)試要求,適用于研發(fā)、法規(guī)符合性及產(chǎn)線測(cè)試
2.針對(duì)腦電圖機(jī)的共模抑制比(CMRR)和內(nèi)部噪聲測(cè)試所設(shè)計(jì)的測(cè)試儀
3.雙層屏蔽結(jié)構(gòu),避免內(nèi)部與外部的噪聲干擾
4.內(nèi)建校準(zhǔn)過的正弦波產(chǎn)生器,解決外接信號(hào)產(chǎn)生器電壓供應(yīng)不足問題
5.單機(jī)即可使用觸控面板調(diào)整參數(shù)后測(cè)試,連接專用軟件后可由計(jì)算機(jī)設(shè)定參數(shù)
6.CMRR標(biāo)準(zhǔn)輔助軟件簡化測(cè)試步驟,點(diǎn)擊鼠標(biāo)即可完成標(biāo)準(zhǔn)需求的測(cè)試項(xiàng)目
7.提供軟件開發(fā)工具包(Software Development Kit),用戶可自行開發(fā)客制或全自動(dòng)化測(cè)試軟件
產(chǎn)品規(guī)格
Item | Option | Specifications |
---|---|---|
Supply voltage | 0.5 / 2.828 / 20 / 2 / (70.71) (Vrms) | ±1% |
CM point voltage | 1.414 / 10/ 1/ (35.355) (Vrms) | ±1% ( 0.25Vrms ±2% ) |
Frequency | 50 / 60 / 100 /120 (Hz) | ±1% |
Electrode with Impedance | Change electrode via the touch screen of CMRR 3.0E | None/RA/LA/LL/V1/V2/V3/V4/V5/V6 /ALL |
Electrode without Impedance | Change electrode via the touch screen of CMRR 3.0E | RA/LA/LL/V1/V2/V3/V4/V5/V6 |
Imbalance impedance, R | 10k? | 10k? ±1% |
Imbalance impedance, C | 47nF | 47nF ± 5% |
DC offset | Internal battery powered, can be added on RA/ LA/LL/V1~V6 | 150mV ± 1% Up to 40hrs with intermittent use |
100 pF capacitor | Use 11:1 (110M?:10MΩ) voltage divider to measure indirectly | 100pF ± 5% |
Environment | Intended for normal laboratory environment. The selection of critical components is known to be stable in the range shown. The 110M? divider may be affected by high humidity in excess of 85% | 15-30°C 10-75% RH |
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