Profibus DP Din plug and socket (1 set per module if used – no need for T-piece 0054 6687$129.00 For 6681 Call us for a quote Product Model: 0554 6683 Profibus DP Din plug and socket (1 set per module if used - no need for T-piece 0054 6687 quantity Add to cart SKU: 0554 6683 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description For 6681 Related products SO2 replacement sensor (0-5000 ppm 1 ppm resolution)0 out of 5 $525.00 Add to cart NO replacement sensor (0-3000 ppm 0.1 ppm resolution H2 compensated)0 out of 5 $795.00 Add to cart SO2 replacement sensor (0-5000 ppm)0 out of 5 $986.00 Add to cart