Description
Applications
- For dry, clean, non-aggressive gases, usually air
- Monitoring of blowers and ventilators
- Filter monitoring via differential pressure
- Positive overpressure in clean rooms
- Positive and negative pressure in isolation chambers
Product features
- Zero adjustment in front
- Simple mounting and dismounting
- Two part construction (measuring element and case)
- Scale ranges from 0.2 InWC (50 Pa) to 50 InWC (12,500 Pa)
Specifications
Design
Per EN 837-3 and HVAC regulations
Nominal size
4½”
Accuracy
± 3.0 % of full span
± 5.0 % of full span, ranges ≤ 0.5 InWC (125 Pa)
Ranges
0 / 0.2 InWC (50 Pa) up to 0 / 50 InWC (12,500 Pa)
Pressure units
InWc (standard)
Other available units: kPa, Pa, mmWC, cmWC, mmHg
Compound ranges
Starting from -0.1 / +0.1 InWC (-25/+25 Pa)
(other pressure units and dual scales are available)
Pressure limitation
Steady: full-scale value
Fluctuating: full-scale value
Overpressure Safety
80 InWC (20 kPa)
Max working pressure (static pressure)
80 InWC (20 kPa)
Temperature limits
Ambient: -22 °F… 176°F (-30oC…+80oC)
Media: 3 °F…122°F (-16oC…+50oC)
Temperature error
Additional error when temperature changes from reference temperature of 68°F (20°C) +0.5% of span for every 18°F (10°K) rising or falling.
Ingress protection
NEMA 3 (IP 54 per EN 60529 / IEC 529)
Process connection
Plastic
Lower mount (LM) or back mount G 1/8 female for hose connector
Supplied with straight or angled hose barb adaptors 1/8″, 3/16″ (standard). 1/4″ hose barb adaptors available
Separating diaphragm
Silicone rubber
Movement
Frictionless magnetic transmission
Dial
Aluminum, scale over 90 degrees of angle
Pointer
Plastic black
Housing/Mounting case
Black thermoplastic, high impact resistant
Window
Polycarbonate
Selected documents
