MIL-T-21200 Electrical and Electronic Properties Measuring and Testing Instruments

Mil-t-21200 combination case; output 1 at 28vdc with frequency from 1135 to 1265 +/-5hz; output 2 at 28vdc when frequency exceeds 1320 +/-12hz

Mil-t-21200 class 2; mil-t-28800 type 1, class 2