In order to accomplish an object to provide a liquid analyzing apparatus 100 that can, without attenuation of an electromagnetic wave signal in liquid, certainly make wireless communication, and also simply and quickly analyze characteristics of the liquid, the liquid analyzing apparatus 100 that is configured to analyze the characteristics of the liquid in a container B is configured to be provided with: a sensor part 1 that is configured to bring sensor surfaces 1c and 1d into contact with the liquid to thereby detect the characteristics of the liquid, and is configured to output an electrical signal having a value corresponding to a detected value; a transmission part 2 that is configured to convert the electrical signal to an electromagnetic wave signal, and wirelessly is configured to output the electromagnetic wave signal; and a containing body 10 that has a structure that exposes the sensor surfaces 1c and 1d, contains the sensor part 1 and the transmission part 2 in an inside, and prevents the liquid from intruding into the inside, and is configured to be arranged in the container B and immersed in the liquid, and further provided with close contact means 30 is configured to bring a passing portion 11 for the electromagnetic wave signal in the containing body 10 into substantially close contact with an inner wall of the container B.
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