Dwyer Series 616 Weatherproof

Series 616WL Differential Pressure Transmitter

Low Ranges Down to 0.25″ w.c. (60 Pa), NEMA 4X Housing

The Dwyer Series 616 Weatherproof Differential Pressure Transmitter senses very low pressures of air and non-combustible, compatible gases and sends a standard 4-20 mA output signal. All models, including those featuring the 3 digit LCD digital read-out, are factory calibrated to specific ranges as listed in the chart below.

Positive, negative and differential pressures can be measured within a full span accuracy of ±0.50%. This weatherproof unit is enclosed in a polycarbonate case, designed to meet (IP66/NEMA 4X). Internal digital push button zero and span allow for quick and simple field calibration.

Specifications

• Service: Air and non-combustible, compatible gases.
• Wetted Materials: Consult factory.
• Accuracy: ±0.50% F.S., display accuracy ±0.5%.
• Stability: ±1% F.S./yr.
• Temperature Limits: 0 to 140°F (-17.8 to 60°C).
• Compensated Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
• Pressure Limits: See Catalog page.
• Thermal Effect: ±0.02% F.S./°F (0.036% F.S./°C).
• Power Requirements: 12-30 VDC (2-wire).
• Output Signal: 4 to 20 mA.
• Zero and Span Adjustments: Digital, Push Button Adj.
• Loop Resistance: DC; 0-900 ohms maximum.
• Current Consumption: DC; 38 mA maximum.
• Electrical Connections: Screw-type terminal block.
• Process Connections: Barbed, dual size to fit 1/8″ and 3/16″ (3.12 and 4.76 mm) I.D. rubber or vinyl tubing.
• Enclosure Rating: NEMA 4X (IP66).
• Mounting Orientation: Vertical, consult factory for other position orientations.
• Weight: Without LCD 17 oz (482 g); with LCD 18 oz (510 g).
• Agency Approvals: CE.

Available Models