54-8DC external display with RS485$755.00 54-8DC external display with RS485 Call us for a quote Product Model: 5400 6556 54-8DC external display with RS485 quantity Add to cart SKU: 5400 65561 Category: Testo pH Meters Tag: Testo pH Meters Description Description 54-8DC external display with RS485 Related products NIST RH certificate with 2 standard points 11.3% and 75.3% RH0 out of 5 $175.00 Add to cart 54-3DC digital display T/CRTDmV (24VDC )0 out of 5 $585.00 Add to cart 206 pH3 Universal Kit0 out of 5 $675.00 Add to cart