Model JO415 DC microammeter is suitable for students to measure weak current and slimelectric potenial in laboratory of middle school and polytechnic school.
JO415
直流安培计适
中学、中专等学校实
，可
微弱电势。
Model JO415 DC microammeter is suitable for students to measure weak current and slimelectric potenial in laboratory of middle school and polytechnic school.
JO415直流安培计适中学、中专等学校实，可微弱电势。
AC Milliammeter, Model J0414, is suitable for the laboratories of middle schools and polytechnic schools to measure current intensity in the AC circuit.
J0414
流毫安表适中学、中专等实量流电路中的电流强度。
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