• Low pressure pneumatic systems • Suitable for fl uid medium, gaseous or dry that does not corrode copper alloy.
FeaTureS • Low pressure series
• Copper alloy wetted parts & stainless steel case • Capsule pressure gauge
Specifi cations Size
4” (100mm) & 6” (160mm) accuracy class ± 1.5% of span
ranges (all ranges not stocked)
2.5” H2O to 275” H2O (6 to 685 mbar) or other equivalent units of pressure or vacuum
Connection
Material: copper alloy Lower mount (LM) Lower back mount (LBM) 1/4” NPT or 1/2” NPT Capsule element
Material: copper alloy Movement
Copper alloy, nickel-silver pinion gear and shaft. Zero adjustment screw on dial
Dial White aluminum with black lettering Pointer J Black aluminum (zero adjust on dial. Must remove window to access) Case 304 stainless steel with stainless steel bayonet ring
Weather Protection Weather resistant (NEMA 3 / IP 54) Standard Scales in. H2O/mm H2O oz.-sq. in./mm H2O oz.-sq. in./in. H2O PSI
Window Gasket Buna-N
Window Flat window glass Working range
Steady: Full scale value Fluctuating: 0.9 x full scale value
766 Get fast delivery with same-day shipping on stocked items. Operating Temperature
Ambient: -4°F to 140°F (-20°C to 60°C) Media: max. 212°F (+100°C) max. 176°F (+80°C) for 4” LBM
Temperature error
Additional error when temperature changes from reference temperature of 68°F (20°C) +0.4% for every 18°F (10°C) rising or falling. Percentage of span.
Optional extras
Front stainless steel polished Brass threaded restrictor
U-Clamp bracket steel zinc plated wiht stainless steel polished profi le ring Safety glass window
Overpressure and underpressure protection Cleaned for oxygen service Medical specifi cation
Special connections limited to wrench fl at area Nickel plated connection
Externally adjustable red mark pointer (set pointer) Externally adjustable red drag pointer (max. pointer) Custom dial layout • DIN standards Other pressure scales available