Accuracy (DIN EN 837-1)
Class 1.6
Class 2.5 for pressure range 0 – 600 bar (0 – 10,000 psi)
Case
With polished crimped-on ring, stainless steel 304 (1.4301)  
Degree of Protection (DIN EN 60529 / IEC 60529)
IP54
IP65 for model RChgG with closed blow-out plug  
Blow-out Device
Blow-out plug at the top of the case coverage  
Case Ventilation
Via blow-out plug, ventilation for internal pressure compensation, required for measuring spans ≤ 10 bar (≤ 160 psi), and also recommended for other pressure ranges if the operating conditions permit  
Case Filling
Model STL: glycerin
Nominal Case Size
50 mm (2")
Wetted Parts
Connection: stainless steel 316L (1.4404)  
Bourdon tube: stainless steel 316L (1.4404), gas-shielded arc welding  
≤100 bar (1,500 psi) C-form  
≥160 bar (2,000 psi) helical form  
Case Configuration
Connection: screwed  
Position of the connection
bottom connection
center back connection (rm)
Mounting device:
without  
for center back connection:
front flange for panel mounting (rmFr)
U-clamp for panel mounting (rmBFr)
Pressure Range (DIN EN 837-1)
0 – 1 bar to 0 – 600 bar (0 – 15 psi to 0 – 10,000 psi)
Process Connection
G½ B, ¼" NPT, G⅛ B or ⅛" NPT
Window
Polycarbonate
Movement
Stainless steel
Dial
Aluminum white, scale black
Pointer
Aluminum black
Safety Category According to DIN EN 837-1
S1 pressure gauges with blow-out device