Tenma “Tenma 72-380 Digital Function Generator / Frequency Counter” has been added to your cart. View cart Showing all 2 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Tenma 72-380 Digital Function Generator / Frequency Counter $79.00 More InfoAdd to cart Tenma 72-6603 Oscilloscope AC Millivoltmeter 1 Channel More Info