Dwyer Instruments 645-2 Differential Pressure Transmitter
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Dwyer 645-2 differential pressure transmitter, 0-5 psid range, 4-20 mA output, and ±0.25% accuracy for liquids and gases.
Product details
| Model | 645-2 |
| Manufacturer | Dwyer Instruments |
| Category | Pressure Switches |
| Availability | Made to order |
Description
Overview
The Dwyer Instruments 645-2 is a differential pressure transmitter with 0-5 psid range, designed for reliable monitoring and control of differential pressure in industrial processes. Using a quick-response capacitance sensor, it delivers precise 4-20 mA output signals proportional to differential pressure with ±0.25% accuracy. Suitable for both liquid and gas applications, with optional 3-valve manifold assembly for simplified installation and maintenance.
Key Features
- 0-5 psid pressure range
- 4-20 mA output signal for easy integration with industrial control systems
- ±0.25% accuracy for reliable differential pressure measurement
- Quick-response capacitance sensor for fast signal response
- Compatible with both liquids and gases (wet/wet design)
- Bleed ports for complete elimination of trapped air in lines and cavities
- 3-valve manifold assembly option for simplified installation and maintenance
Applications
- Process control and monitoring
- Filter condition monitoring and clogging detection
- Refrigeration equipment monitoring
- Pump speed control
- HVAC equipment and ductwork pressure monitoring
- Liquid level measurement in tanks and vessels
Specifications
| Pressure Range | 0-5 psid |
| Output Signal | 4-20 mA |
| Accuracy | ±0.25% of reading |
| Sensor Type | Capacitance |
| Media Type | Liquid and Gas |
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Dwyer Instruments 645-2 Differential Pressure Transmitter
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