Place of Origin: Anhui, China (Mainland) Brand Name: OEMor Exact Model Number: 111CL-M Item name: pressure gauge with alarm Pressure range: Equivalent Pressure Unit OEM: Accept Material: Painted Steel Case Brass Internal Accuracy: 1.6% Certification: ISO.KS Mounting: Bottom Window: Acrylic Size: 2.5"(63mm), 4"(100mm) Movement: Semi-brass(complete Brass 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: Painted steel Bezel: Painted steel Bourdon tube: Copper alloy or Stainless steel