Profibus T-piece plug connector ( if used speed 1.5 Mbits/sec no need for the 0554 6683 set)$170.00 For 6681 Call us for a quote Product Model: 0554 6687 Profibus T-piece plug connector ( if used speed 1.5 Mbits/sec no need for the 0554 6683 set) quantity Add to cart SKU: 0554 6687 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description For 6681 Related products 3.9′ with 13′ stainless braided TC lead, 8 pin connector0 out of 5 Read more SO2 replacement sensor (0-5000 ppm 1 ppm resolution)0 out of 5 $525.00 Add to cart Self service replacement O2 sensor – 325-1 & 325-2 only0 out of 5 $131.00 Add to cart