MEASUREMAN 3" Tridicator Thermo-Manometer, 10-70psi/100-500kPa, 60-320°F/20-160℃, 1/4" NPT Back Mount, Black Steel Case & Brass Connection, for Boiler, Hot Water Measurement

["2-in-1 Tridicator Design: Simultaneously measures temperature and pressure. Dual scale with outer PSI/°F and inner kPa/°C in black and red for easy reading. Pressure accuracy 3-2-3%, temperature accuracy 2%.","Premium Construction: Adopts copper tube, brass movement and 1/4\" NPT brass thread. Corrosion resistant, sturdy and durable for long-term boiler use.","Solid Black Steel Housing: Black iron case with screw-in PC lens, white aluminum dial fixed by stainless iron screws, matched with aluminum limit pin and black aluminum pointer.","Upgraded Fastening Structure: Comes with lock nut to fix the gauge firmly. Effectively avoids loosening and dial skew caused by vibration and thermal expansion.","Standard Size & Wide Application: 71.5mm dial, overall length 121mm, axial mounting. Perfect for boiler, hot water and steam pressure temperature measurement."]