The URL for the meters : http://www.marteltesttools.com/products.php?cat=113&action=detail&id=69 QM-100V QM-110T QM-130M or QM-140V might work for an amp-meter. Proper current sensing resistor (shunt) will be needed and some other components. The thermistor is from Mouser Part# 594-2322-640-63103 73s Anrey E. Stoev KB1FZA