54-8AC external display with RS485$755.00 54-8AC external display with RS485 Call us for a quote Product Model: 5400 7556 54-8AC external display with RS485 quantity Add to cart SKU: 5400 75561 Category: Testo pH Meters Tag: Testo pH Meters Description Description 54-8AC external display with RS485 Related products Testo 205 One-hand pH/ Temperature Measuring Instrument0 out of 5 $434.00 Add to cart Process display 54-7AC two relay outputs (to 252 VAC/300 VDC 3 A) input power 90 to260 VAC with RS-485 output0 out of 5 $510.00 Add to cart Testo 206 pH2 – Instrument kit0 out of 5 $410.00 Add to cart