H8424 Differential Pressure Gauge Gauge Nominal Dial Size 5 in Basic Gauge Case Material Plastic Basic Gauge Wetted Parts PTFE / Buna-N Differential Gauge Connection Type FNPT Differential Gauge Connection Size 1/8 in Gauge Connection Location Back and Side Differential Pressure Range Units in wc Differential Pressure Range Value 0 to 30 Gauge Accuracy +/-3.00 Percent Body Material Glass Filled Nylon Gauge Primary Range Smallest Graduation 0.6 Diaphragm Material Buna-N