A Connection Size: 1/2" , Connection Type: NPS , Device Load: 1/8th unit load , Display Digits: 5 Digits , Display Type: LCD , Electrical Connection: Analog , Enclosure Rating: NEMA 4X , Load Resistance Max.: 0 to 1100 Ohm , Output Signal: 4 to 20 mA, 0 to 5V DC, 0 to 10V DC , Power Requirement: 24V DC -/+ 20% or 24V AC -/+ 20% , Relative Humidity Range: 5 to 95% RH, non-condensing , Response Time: 10 sec. , Service: Clean air and non-combustible, compatible gases , Wire Size: 16 to 26 AWG , Zero & Span Adjustments: Digital push buttons