Holt Insutruments Laboratories - 323A - AUDIO VOLTAGE STANDARD

$100.00
READY TO SHIP - ONLY 0 LEFT IN STOCK!
SKU
152280
Wonderful machine built before Hertz ! MODEL 323A Six Output Ranges 0 - 9.999 X 0.001 TO 1000 V - Frequency: Ext or 50/60/400/1K and 10KC - appears to have mechanically interlocked switches which are probably EMP resistant.