This auction is for one used EICO Model 666 Dynamic Conductance Tube & Transistor tester. This tester is able to test both tubes and transistors. Advantages are rapid and simple operation, close simulation of actual tube operating conditions, and accuracy of test.
Radiation Alert INSPECTOR Geiger Counter ELECTRONIC CALIBRATION / TESTER UNIT - LAST ONE I HAVE This auction is for the Calibration / Tester Unit Only and does not include the Radiation Alert INSPECTOR Geiger Counter Not compatible with the Inspector USB.
Hanna Instruments HI 98128 pHep 5 pH/Temperature Tester with HI 73127 pH electrode, 0.01 pH res. USED Waterproof and designed to float. Automatic shut-off Automatic Temperature Compensation.
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