Place of Origin: Anhui, China (Mainland) Brand Name: OEM or Exact Model Number: 115AB Item name: High quality oil pressure gauge Case: stainless steel Window: polycarbonate Socket and connection: brass Movement: semi-brass Burdon tube: copper alloy(brass) Certification: ISO.KS Liquid: glycerin or silicone Accuracy: 1.6% Pressure range: -30"Hg-0-15000 Psi 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 Bourdon tube: Copper alloy or Stainless steel