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 60 529/IEC 529)
IP65 (≥10 bar)
IP54 (≤10 bar) with cut-off blow-out plug no. 19
Blow-out Device
Blow-out plug at the top of the case coverage
Case Ventilation
Via blow-out plug, ventilation required for internal pressure compensation for pressure ranges ≤10 bar, and also recommended for other pressure ranges if the operating conditions permit  
Case Filling
For model STL: glycerin  
Nominal Case Size
40 mm (1½")  
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: welded  
Position of the connection
bottom connection
center back connection (rm)
Mounting device
without  
Mounting Device for center back connection:
front flange for panel mounting (rmFr)  
U-clamp for panel mounting (rmBFr)  
Pressure Ranges (DIN EN 837-1)
0 – 1 bar to 0 – 600 bar (0 – 15 psi to 0 – 10,000 psi)  
Process Connection
1/8" NPT or 1/4" NPT
Window
Instrument glass  
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  
S2 safety pressure gauge with window made of polycarbonate