Guardian WRT 20 HD Telephone, WRT 20 HD, Volume Control, Outdoor, 1 Lines, Wall, Plastic, NEMA 3R 49R130 000 RPM Lock on Yes Speed 000 RPM Lock on Yes Speed Type Single Switch Type Paddle Item Angle Grinder Corded Banded Corded Lock off No Tool Weight 3 Item Fire Sprinkler System Pressure Gauge Connection Location Lower Gauge Application Fire Sprinkler Systems Range 0 to 80 psi Accuracy + 3 2 3% Material ABS Color Black Gauge Primary Range Values 0 to 80 Gauge Primary Range Units psi Gauge Connection Type MNPT Basic Gauge Case Material Plastic Case Color Black Gauge Primary Range Numbered Graduations 20 Gauge Case Material ABS Plastic Gauge Sensor Material Phosphor Bronze Liquid Filled No Basic Gauge Lens Material Plastic Calibration Certificate Included No Basic Gauge Sensor Material Bronze Gauge Lens Material Polycarbonate Gauge Socket Material Brass Gauge Accuracy + 3 2 3% Series 1005P Pressure and Vacuum Gauge Type Pressure Gauge Basic Gauge Socket Material Brass Operating Temp Overall Depth 4 in Industry Canada 10124041A Enclosure Rating NEMA 3R Includes Enclosure Yes Indoor Outdoor Usage Outdoor Enclosure Material Plastic Resistance Properties Corrosion Resistant