ImpediVET 實驗動物體組成測定分析儀是單通道、四面兩極生物阻抗頻譜儀，該設(shè)備能一秒鐘內(nèi)在4 k-1000 kHz 范圍中，掃描256個頻段。該設(shè)備利用復(fù)數(shù)阻抗測定體含水量（TBW），細(xì)胞外液（ E C F ） 和細(xì)胞內(nèi)液（ I C F ） ； 除脂肪量（FFM）和脂肪量（FM）。進一步的數(shù)據(jù)分析可通過儀器所帶的輔助軟件來完成。

• 生物阻抗頻譜學(xué)——256獨立頻率

• 單通道，四極設(shè)置

• 便攜式，內(nèi)置處理器

• 觸摸屏

• 低噪音數(shù)據(jù)生成，無高頻hook效應(yīng)

• 高精度動物體組成分析 

• 保存和可讀取原始數(shù)據(jù)

Bowen, et al, Estimation of Total Body Water in Harbor Seals: How useful is bioelectrical impedance analysis? Marine Mammal Science, 1998. 14:765-777

Cornish, et al, Alteration of the extracellular and total body water volumes measured by multiple frequency bioelectrical impedance analysis (MFBIA). Nutrition Research, 1994. 14(5): p. 717-727.

Cornish, et al, Measurement of extracellular and total body water of rats using multiple frequency bioelectrical impedance analysis. Nutrition Research, 1992. 12: p. 657-666.

Elliott, D.A., et al., Extracellular water and total body water estimated by multifrequency bioelectrical impedance analysis in healthy cats: a cross-validation study. J Nutr, 2002. 132(6 Suppl 2): p. 1760S-2S.

Elliott, D.A., et al., Evaluation of multifrequency bioelectrical impedance analysis for the assessment of extracellular and total body water in healthy cats. J Nutr, 2002. 132(6 Suppl 2): p. 1757S-9S.

Fielding, C.L., et al., Use of multifrequency bioelectrical impedance analysis for estimation of total body water and extracellular and intracellular fluid volumes in horses. Am J Vet Res, 2004. 65(3): p. 320-6.

Goode, T.L. and H.J. Klein, Miniaturization: an overview of biotechnologies for monitoring the physiology and pathophysiology of rodent animal models. Ilar J, 2002.43(3): p. 136-46.

Hall, C.B., et al., Determination of rat body composition using bioelectrical impedance analysis. Nutr. Rep. Int. 39:627-633.94

Skalicky, M., et al, Housing conditions influence the survival and body composition of ageing rats. Exp Gerontol, 2001. 36(1): p. 159-70.

Yokoi, K., et al., Use of bioimpedance spectroscopy to estimate body water distribution in rats fed high dietary sulfur amino acids. J Nutr, 2001. 131(4): p. 1302-8.