Product Name: Nitrogen Shock-Resistant Oil-Filled Pressure Gauge for Breaker Model NO.: CH-004 Indicating Pressure Reference: General Pressure Gauge Features of Measurement Medium: General Pressure Gauge Installation Structure: Direct Mounting Function: Local Indication Type Connection Type: Radial Direction Structure: Spring Pressure Gauge Application: Industrial, Civil Display: Digital Accuracy: 1.6 Type: General Pressure Gauge Measuring Range: Medium-pressure Gauge Product Description Product DescriptionNormal 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%,±2.5%Operating temperature:-40°C to +60°CCase:Stainless steelBezel:Stainless steelBourdon tube:Copper alloy or Stainless steel<100Bar: C-Type≥100Bar: Helical TypeConnection:Brass or Stainless steelMovement:Brass or Stainless steelDial:AluminumPointer:AluminumWindow:Polycarbonate or GlassThread:1/8",1/4", 3/8",1/2";PT(BSPT,ZG),BSP(G,PF),NPT etc.Liquid:Glycerin or SiliconeGaskets Filling cap:Nitrile or Silica gel