Dwyer MS Series Offers

Features

• Field Upgradeable LCD. No need to order two separate transmitters. Simply stock a transmitter and display and you can satisfy any customer's requests. Simply remove cover and snap the LCD onto the board.
• Field Selectable Ranges in metric or English. Lowers stock and inventory requirements. You'll always have the right transmitter for every job.
• Digital Push Button Zero and Span. Reduces calibration time significantly over other transmitters that utilize potentiometers. Lowers maintenance time and costs.
• Adjustable Digital Dampening smooths out unstable pressure fluctuations common in air flow applications.
• Field Selectable Air Velocity Mode for fan and blower applications. Unit provides square root output that accurately tracks fpm or m/s flow rate. No need for a smart programmable indicator or PLC to convert pressure to air flow. Reduces components and installation time lowering overall costs.

Functional Specifications

• Service: Air and non-combustible compatible gases
• Stability: ±1% F.S./year
• Temperature Limits: 0 to 150°F (-18 to 66°C)
• Pressure Limits: 1 psi maximum, operation; 10 psi, burst
• Output Signals: 4 to 20 mA (2-wire); 0 to 5 V, 0 to 10 V (3-wire)
• Response Time: Field adjustable 0.5 to 15 sec. time constant. Provides a 95% response time of 1.5 to 45 seconds
• Zero & Span Adjustments: Digital push button
• Loop Resistance: Current Output: 0-1250 max. Voltage Output: min. load resistance 1 k
• Current Consumption: 40 mA max
• Display (optional): 4 digit LCD
• Electrical Entry: 1/2" NPS Thread. Accessory: Cable Gland for 5 to 10 mm diameter cable
• Process Connection: 3/16" (5 mm) ID tubing. Maximum OD 9 mm
• Enclosure Rating: NEMA 4X (IP66)
• Mounting Orientation: Diaphragm in vertical position

General Specifications

• Power Requirements: 10 to 35 VDC (2-wire)
• 17 to 36 VDC or isolated 21.6 to 33 VAC (3-wire)
• Weight: 8.0 oz (230 g)