Dwyer Instruments 645-4 Differential Pressure Transmitter
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Dwyer 645-4 differential pressure transmitter provides 4-20 mA output with ±0.25% accuracy for filter monitoring, process control, and HVAC applications.
Product details
| Model | 645-4 |
| Manufacturer | Dwyer Instruments |
| Category | Transmitters |
| Availability | Made to order |
Description
Overview
The Dwyer 645-4 is a precision differential pressure transmitter featuring a quick-response capacitance sensor that delivers a 4-20 mA output signal proportional to differential pressure. Designed for mid-range pressure measurement applications, it provides reliable monitoring for industrial process control, filter status, and liquid level applications.
Key Features
- Quick-response capacitance sensor technology
- 4-20 mA output signal proportional to differential pressure
- ±0.25% accuracy
- Optional 3-valve manifold assembly available
- Bleed ports for complete air elimination from pressure lines and cavities
- Durable construction for reliability in demanding environments
Applications
- Process control systems
- Filter condition monitoring
- Refrigeration equipment pressure monitoring
- Pump speed control
- HVAC applications
- Liquid level measurement
Specifications
| Pressure Range | 0-4" W.C. |
| Output Signal | 4-20 mA DC |
| Accuracy | ±0.25% Full Scale |
| Sensor Type | Capacitance |
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Dwyer Instruments 645-4 Differential Pressure Transmitter
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