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 Testo 205 One-hand pH/ Temperature Measuring Instrument0 out of 5 $434.00 Add to cart Testo 205 Starter Set – pH/temperature measuring instrument for semi-solid media0 out of 5 $640.00 Add to cart 54-8DC external display with RS4850 out of 5 $755.00 Add to cart