Wet Differential Pressure Transmitter Dwyer Series 629

Wet Differential Pressure Transmitter Dwyer Series 629 

• The Series 629 Differential Pressure Transmitter monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy.
• The design employs dual pressure sensors converting pressure changes into a standard 4-20 mA output signal for two wire circuits. Small internal volume and minimum moving parts result in exceptional response and reliability.
• Terminal block zero and span adjustments are easily accessed under the top cover. The Series 629 Differential Pressure Transmitter is designed to meet NEMA 4X (IP66) construction.

Applications:

1. Lab Fume Hood Control
2. Clean Room Applications
3. Flow Measurements & Controls
4. Filter Monitoring
5. Furnace Draft Measurement
6. Process Control

Specifications:

 

• Service:Compatible gases and liquids.

• Wetted Materials:Without valve: 316, 316L SS. Additional wetted parts with 3-way valve option: Buna-N, silicone grease, PTFE, brass 360, copper, reinforced acetal copolymer.

• Accuracy:±0.5% F.S. (includes linearity, hysteresis, and repeatability).

• Temperature Limits:0 to 200°F (-18 to 93°C).

• Compensated Temperature Limits:0 to 175°F (-18 to 79°C).

• Pressure Limits:See Ordering page.

• Thermal Effect:0.02%/°F (0.036%/°C) includes zero and span.

• Power Requirements:13 to 30 VDC.

• Output Signal:4 to 20 mA. Optional 0-5 or 0-10 VDC.

• Response Time:50 msec.

• Loop Resistance:0-1300 ohms maximum for current output. For voltage outputs, minimum load resistance: 2000 ohms.

• Electrical Connections:Terminal block; 1/2" female NPT conduit.

• Process Connection:1/4" female NPT.

• Enclosure Rating:Designed to meet NEMA 4X (IP66).

• Mounting Orientation:Mount in any position.

• Weight:10.1 oz (286 g).

• Agency Approvals:CE.