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645-1 | Wet/wet differential pressure transmitter | range 0-2 psid. | Dwyer Instruments
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Compact and Precise: Dwyer Instruments NCO-645-1 0/2# Differential Pressure TransmitterThe Dwyer Instruments NCO-645-1 is a highly accurate and compact differential pressure transmitter designed to measure and transmit air and non-corrosive gas pressure. With a wide measurement range of 0-2# differential pressure and a 4-20 mA output signal, it provides reliable and precise pressure monitoring for various industrial applications.Rugged Construction: Featuring an IP65-rated impact-resistant polycarbonate housing, the NCO-645-1 is durable and suitable for harsh environments. Its rugged construction ensures reliable operation and longevity.Multiple Mounting Options: Choose from a range of mounting options to suit your application, including direct panel mount, remote mount, and DIN rail mount, providing flexibility and convenience during installation.Versatile Voltage Compatibility: The NCO-645-1 operates on a wide voltage range of 12-32 VDC, making it compatible with different power sources and systems.Fast Response: With an exceptional response time of < 100 milliseconds, the NCO-645-1 captures pressure changes quickly, ensuring accurate and real-time data acquisition. Proven Reliability: Backed by Dwyer Instruments' reputation for quality and reliability, the NCO-645-1 is a dependable choice for your pressure measurement needs.Applications:The NCO-645-1 differential pressure transmitter finds applications in a variety of industries, including HVAC, medical, and manufacturing, where precise pressure monitoring is crucial. It is ideal for monitoring:Airflow velocityPressure dropFilter statusRemote sensing of negative pressurePipe leakageFan control and performanceour HVAC supply store: Your Trusted Source for Industrial Solutionsour HVAC supply store is your one-stop shop for all your industrial needs. We take pride in offering a vast selection of quality products, including the Dwyer Instruments NCO-645-1 differential pressure transmitter. With our best prices and fast shipping, we ensure that your operation runs seamlessly. Trust our HVAC supply store for reliable products and exceptional customer service. Contact us today!
Series 645 Wet/Wet Differential Pressure Transmitter
±0.25% Accuracy, Quick Response, 2-Wire Design
Series 645 Wet/Wet Differential Pressure Transmitters are designed for use with compatible gases and liquids which can be applied to both the pressure and reference ports. Quick response capacitance sensor delivers a 4 to 20 mA output signal proportional to differential pressure with ±.25% accuracy. The Series 645 transmitters are ideal for process control, filter condition monitoring, refrigeration equipment, pump speed control, HVAC equipment, and liquid level measurement. For ease of installation and maintenance, order optional 3-valve manifold assembly. Bleed ports allow for total elimination of air in the line and pressure cavities.
Calibration Option available under Accessories.
California Residents: Click Here for Proposition 65 WARNING.
Product Applications
- Process control
- Filter monitoring
- Refrigeration equipment
- Pump speed control
- HVAC equipment
- Liquid level measurement
- Versatile, high-accuracy device for liquid or gas supports designs requiring more precise measurements in support of application
- Optional 3-way valve manifold supports simplifying installation or removal of transmitter without interrupting process
Specifications
- Series
- 645 Wet/Wet Differential Pressure Transmitter
- Category/Type
- Pressure
- Type
- Differential Pressure
- Series
- 645 Wet/Wet Differential Pressure Transmitter
- Service
- Compatible gases or liquidson both pressure and reference sides.
- Wetted Materials
- 17-4 PH stainless steel; 300 Series stainless steel;fluoroelastomer and silicone O-ringsand bleed screw seals.
- Accuracy
- ±0.25% FS (RSS).
- Temperature Limits
- Operating: 0 to175°F (-22 to 80°C); Storage: -65 to260°F (-54 to 126°C).
- Pressure Limits
- (High side) 1 to 5psi: 20 x FS; 10 to 25 psi: 10 x FS; 50psi: 5 x FS; 100 psi: 2.5 x FS; (lowside) 2.5 x FS.
- Thermal Effects
- (includes zero andspan) ±0.02% FS/°F; 30 to 150°F (-1 to65°C).
- Power Requirements
- 11 to 30 VDC.
- Output Signal
- 4 to 20 mA; 2-wire.
- Zero and Span Adjustments
- Adjustable; ±1 mA; non-interactive.
- Response Time
- 30 to 50 ms.
- Loop Resistance
- 0 to 1000Ω.
- Electrical Connection
- Barrier stripterminal block with conduit enclosureand .875" (22 mm) diameter conduitopening.
- Process Connection
- 1/4"-18 female NPT.
- Housing
- Stainless steel/aluminum;NEMA 4X (IP56).
- Weight
- 14.4 oz (0.4 kg).
- Agency Approvals
- CE.
- 3-Valve Manifold Assembly
- Manifold
- Brass.
- Valve Type
- 90° on/off.
- Process Connection
- 1/4"-18 female NPT.
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