Dwyer Series 607 Differential Pressure Transmitter
Product Introduction
The Dwyer Series 607 Differential Pressure Transmitter, along with Series 608 and 668, is a low-range pressure measurement device designed to convert positive, negative (vacuum), or differential pressures of clean, dry air and other non-conductive, non-corrosive gases into a standard two-wire 4-20 mA DC output signal. Manufactured in the USA, it offers factory-calibrated models with measurement ranges from 0-0.10" W.C. to 0-25" W.C. (e.g., 607-1 for 0-0.25" W.C., 607-3B for ±1.0" W.C., 607-8 for 0-10" W.C.). Equipped with a variable capacitance transducer featuring a micro-machined, ultra-thin silicon diaphragm—sealed without epoxies or organics—it delivers exceptional stability, drift-free performance, and resistance to overpressure, shock, and vibration. Suitable for precise low-pressure control in industrial and commercial applications, it combines durability with ease of installation and integration.
Features
Low-Range Precision: Measures pressures from 0-0.10" W.C. to 0-25" W.C. (including bidirectional ranges like ±0.10" W.C. to ±5.0" W.C.), enabling accurate monitoring of very low positive, negative, or differential pressures.
Stable Performance: Uses a variable capacitance transducer with a micro-machined silicon diaphragm, sealed without organics, ensuring exceptional stability and minimal drift over time.
Durable Construction: Housed in 300 Series stainless steel with a NEMA 2 rating, providing protection against dust and limited moisture, and resisting corrosion in dry environments.
Overpressure Resistance: Withstands pressure up to 10 psig (0.69 bar), ensuring durability in case of unexpected pressure spikes.
Fast Response: Boasts a maximum response time of 250 ms, ensuring timely detection of pressure changes for dynamic systems.
Flexible Power Supply: Operates on 12-36 VDC, adapting to various industrial power configurations.
Easy Installation:
Not position-sensitive, with mounting slots compatible with #8 or #10 screws for secure attachment.
Pressure connections marked "HIGH" and "LOW" (4" barbed stainless steel) for straightforward tubing installation; pre-installed protective tubing is removed before use.
Polarity Protection: Electrical connections via screw terminals with reverse polarity protection (no damage if wired incorrectly, though loop functionality is affected).
Wide Environmental Tolerance: Functions in temperatures from -20 to 160°F (-29 to 71°C) and 10-95% RH (non-condensing), adapting to diverse operating conditions.
CE Certification: Complies with CE standards, ensuring adherence to European safety and performance regulations.
Key Specifications
Service Compatibility: Clean, dry air and non-conductive, non-corrosive gases.
Output Signal: 4-20 mA DC, two-wire system.
Electrical Connections: Screw terminals (cable diameter 6-14 mm recommended).
Weight: 1.04 lb (472 g).
Customization: Supports OEM and ODM services.
Model Variants: Includes unidirectional (e.g., 607-1: 0-0.25" W.C.) and bidirectional (e.g., 607-3B: ±1.0" W.C.) ranges to suit specific application needs.
Installation & Wiring Notes
Location: Install in a clean, dry area free of excessive vibration; avoid mounting with pressure connections pointing up to prevent moisture ingress.
Pressure Connections: Connect positive pressure to "HIGH" port, negative pressure to "LOW" port, and differential pressures with higher pressure to "HIGH" and lower to "LOW."
Electrical Safety: Use a 12-36 VDC power supply; ensure total loop resistance stays within operating limits (refer to manufacturer’s graphs for details). Shielded two-conductor cable is recommended for wiring.
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Dwyer 607 Differential Pressure Transmitter 4-20mA Output Images
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