Process display 54-7AC two relay outputs (to 252 VAC/300 VDC 3 A) input power 90 to260 VAC with RS-485 output$510.00 order separately as required Call us for a quote Product Model: 5400 7555 Process display 54-7AC two relay outputs (to 252 VAC/300 VDC 3 A) input power 90 to260 VAC with RS-485 output quantity Add to cart SKU: 5400 75551 Category: Testo pH Meters Tag: Testo pH Meters Description Description order separately as required Related products 230 pH Meter0 out of 5 $620.00 Add to cart Testo 206 pH2- pH meter0 out of 5 $565.00 Add to cart 230 pH Set 40 out of 5 $1,646.00 Add to cart