Dwyer A3300-20CM A3000 Photohelic® Switch/Gages for Pressure Measurement up to 25 psig (1/8 in, NPT Female, 10 cmH2O)

Weight: 4 lb

Accuracy: ± 2 %, ± 5% with transitional flow

Dial Dia: 4 in

Division: 0

Compliance: CE, CSA, UL

Dial Depth: 8.25 in

Switch Note: Each set point has 2 form C relays (DPDT). 10 A @ 28 VDC, 10 A @ 120, 240 VAC

Switch Type: (2) DPDT

Accuracy Note: ± 2% of FS at 70°F (21.1°C). ± 3% on -0 and ± 4% on -00 models

Pressure Type: Differential

Pressure, Max: 10 cmH2O

Pressure, Min: -10 cmH2O

Repeatability: ± 1%

Switch Rating: 10 A @ 28 Vdc, 10 A @ 120, 240 Vac

Velocity, Min: 0 FPM

Proof Pressure: -20 inHg to 25 psi

Supply Voltage: 120 Vac

Materials, Wetted: Consult Factory

Supply Power Note: 120 VAC, 50/60 Hz; 240 VAC and 24 VAC power optional

Supply Power Type: AC

Dial Outer Diameter: 5 in

Media Compatibility: Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases

Mounting Orientation: Vertical Diaphragm

Set Point Adjustment: Adjustable Knobs

Electrical Connection: Screw Terminal

Process Connection Size: 1/8 in

Process Connection Type: NPT Female

Operating Temperature, Max: 120 °F

Operating Temperature, Min: 20 °F

Datasheet