Place of Origin: Anhui, China (Mainland) Brand Name: OEM or Exact Model Number: 112AL Item name: bottom connection pressure gauge Pressure range: Equivalent Pressure Unit Material: Stainless Steel Case Brass Internal Accuracy: 1.6% Certification: ISO.KS Mounting: bottom Window: Acrylic Size: 1.5"2"2.5"4"6" Thread: 1/2/ 3/8 1/4/ 1/8PT/NPT/G/M OEM: Accept Normal Size: 1.5"(40mm),2.0"(50mm),2.5"(63mm),3"(75mm),4"(100mm),6"(150mm). Pressure Range: -1Bar(-30"Hg)-0-1000Bar(15000Psi) Accuracy: ±1%,±1.6% Operating temperature: -20°C to +60°C Case: Stainless steel Bezel: Stainless steel or no Bourdon tube: Copper alloy or Stainless steel