SpecificationsEnclosure Rating: Polycarbonate. Type 4X, IP65.Certifications/Approvals: FM/CSA/UL (see full specifications for complete list of certifications)Dimensions: Overall 155 x 155 x 131mm (6.10 x 6.10 x 5.15 in.). Cutout: 1/2 DIN 139mm x 139mm (5.45 x 5.45 in.)Weight: 3 lbs/4 lbs (1.5 kg/2.0 kg)FeaturesFaster installation using Quick Start programming, auto-recognition of sensor boards and modular designAt a glance view of pertinent information provided by the large customizable displayVisibility of process parameters by utilizing HART or Profibus DP digital communicationsEffortlessly connect with PLCs and DCS’ by choosing the HART or Profibus DP communication options Ordering Information Model 1056 Dual channel transmitter Power 01 115/230 Vac, 50/60 Hz no relays¹ Measurement 1 22 pH/ORP/ISE Measurement 2 38 None Communication AN 4-20 mA analog UL Approval UL UL approval Not compatible with Turbidity Measurements.