For the quantitative measurement of rat insulin in plasma, serum, and fluids. The kit has a wide dynamic range and it can be used for across one of three different ranges: low range assay (0.1 - 6.4 ng/mL), wide range assay (0.1 - 12.8 ng/mL), or high range assay (1 - 64 ng/mL). The total assay time is 3h 10min.