Fluid medium, gaseous or dry, which does not clogconnection port or corrode copper alloy. Example: low pressure pneumatic systems.
Specifi cations Sizes
2½” (63 mm) accuracy + 1.5% of span (+ 2.5% for 10” H2O range) ranges
(All ranges not stocked) 2½”:10 “H2O to 240 “H2O (25 to 600 mbar) or other equivalent units of pressure or vacuum
Working range
Steady:Full scale value Fluctuating:0.9 x full scale value
Operating Temperature
Ambient:-4°F to 140°F (-20°C to 60°C) Media:max. 140°F (+60°C)
Temperature error
Additional error when temperature changes from referencetemperature of 68°F (20°C) +0.4% for every 18°F (10°C)rising or falling. Percentage of span.
Standard Features Connection
Material: copper alloy Lower mount (LM)
Center back mount (CBM) 1/8” NPT or 1/4” NPT Capsule element
J Dial White aluminum with black lettering Pointer
Black aluminum (zero adjust on dial- removewindow to access) CaseBlack steel Weather Protection Dust resistant (NEMA 2 / IP 32) Standard Scales in. H2O/mm H2O oz.-sq. in./mm H2O oz.-sq. in./in. H2O PSI
Material: copper alloy Movement
Copper alloy, nickel-silver pinion gear and shaft. Zeroadjustment screw on dial
Window Snap-in acrylic window
Order Options (min. order may apply) Front or rear fl ange Brass threaded restrictor U-Clampsteel zinc plated with stainless steel polished profi le ring Stainless steel case and ring
Safety glass and instrument glass window Overpressure and underpressure protection Cleaned for oxygen service Medical specifi cation
Special connections limited to wrench fl at area Nickel plated connection Special case colors
Externally adjustable red mark pointer(set pointer) Externally adjustable red drag pointer (max. hand) Custom dial layout DIN standards
Other pressure scales available
768
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