Models 614.11, 634.11

Low Pressure Capsule Gauges

Square and Rectangular Case for Panel Mounting,

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Applications

  • For gaseous. dry and non-aggressive media that will not attack copper alloy parts
  • Model 614.11: Measuring system copper alloy
    Model 634.11: Measuring system stainless steel, also for aggressive media


Product Features

  • Low scale ranges from 0 ... 2.5 mbar
  • Panel mounting
  • Zero adjustment in front

Specifications

Design
DIN 43700

Nominal Sizes
72 x 72, 96 x 96, 144 x 144,
144 x 72

Accuracy
± 1.6% of full scale value

Pressure limitation
Steady: Full scale value
Fluctuating: 0.9 x full scale value

Operating Temperature
Ambient:-4°F... +140oF (-20...+60°C)
Media: +212°F (+100°C) maximum

Temperature error
Additional error when temperature changes from reference temperature of 68°F (20°C) ± 0.6% of span for every 18°F (10°K) rising or falling.

Pressure Connection
Model 614.11: Copper alloy
Model 634.11: Stainless steel
Back mount
NS 72 x 72 and 96 x 96: 1/4" NPT (male), 14 mm wrench flat
NS 144 x 144 mm: 1/2" NPT (male), 22 mm wrench flat
NS 144 x 72 mm: 1/2" NPT (male), 17 mm wrench flat

Pressure element
Model 614.11: Copper alloy
Model 634.11: Stainless steel

Pressure ranges
Model 614.11
Size 72 x 72 mm (2.8 x 2.8"): 0...10" H20 (25 mbar) to
0... 250" H2O (600 mbar)
Size 96 x 96 mm (3.8 x 3.8"): 0...4" H20 (10 mbar) to
0... 250" H2O (600 mbar)
Size 144 x 144 mm (5.7 x 5.7"): 0...2.5" H20 (6 mbar) to 0... 250" H2O (600 mbar)
Size 144 x 72 mm (5.7 x 2.8"): 0...1.6" H20 (4 mbar) to
0... 250" H2O (600 mbar)

Model 634.11
Size 72 x 72 mm (2.8 x 2.8"): 0...10" H20 (25 mbar) to
0... 250" H2O (600 mbar)
Size 96 x 96 mm (3.8 x 3.8"): 0...4" H20 (10 mbar) to
0... 250" H2O (600 mbar)
Size 144 x 72 mm (5.7 x 2.8"): 0...1" H20 (2.5 mbar) to
0... 250" H2O (600 mbar)

Sealing
Model 614.11: NBR
Model 634.11: Viton®

Movement
Copper alloy, wear parts argentan, zero adjustment from front on dial

Dial
Aluminum, white, black lettering

Pointer
Aluminum, black

Case (DIN 43700)
NS 72 x 72, 96 x 96 and 144 x 144: Steel galvanized
NS 144 x 72: Steel black

Window
NS 144 x 72: Instrument glass
NS 72 x 72, 96 x 96 and 144 x 144 mm: Clear plastic

Panel frame (DIN 43718)
Steel, black, narrow, snap-fit

Options
Other pressure connection
Overpressure and vacuum safety with
scale ranges ≤ 10 "H2O (25 mbar): 3 X full scale value
scale ranges > 10 "H2O (25 mbar): 10 X full scale value
Wide panel frame

Special Versions
Edgewise panel design with switch contact
NS 144 x 72, max. two switch contacts, scale ranges 0...16" H2O (40 mbar) to 250" H2O (600 mbar)
with below-capsule element, arrange in cylindric measuring chamber on case bottom

Low Pressure Capsule Gauges
  • Low Pressure Capsule Gauges
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