Terminating resistor DIN plug (at least 2 per system needed)$52.00 For 6681 Call us for a quote Product Model: 0554 6688 Terminating resistor DIN plug (at least 2 per system needed) quantity Add to cart SKU: 0554 6688 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description For 6681 Related products NO2 replacement sensor (0-520 ppm)0 out of 5 $1,044.00 Add to cart Replacement thermocouple for probe 0600 9542 (325)0 out of 5 $180.00 Add to cart CO replacement sensor (0-10000 ppm H2 compensated)0 out of 5 $1,122.00 Add to cart