The Fluke 721-3650 Dual Sensor Pressure Calibrator is an advanced and portable tool designed for accurate calibration of pressure sensors, transmitters, and switches in industrial environments.
Equipped with two separate internal sensors, this device allows for simultaneous measurement of low pressures (Vacuum/Low) in the range of -14 to 36 PSI and high pressures (High) in the range of 0 to 5000 PSI.
This unique feature enables technicians to calibrate a wide range of pressure equipment quickly and accurately without the need to switch modules or devices.
The Fluke 721-3650 meets stringent industrial standards, offering excellent stability and repeatability, making it ideal for use in industries such as oil, gas, petrochemicals, power plants, and HVAC (Heating, Ventilation, and Air Conditioning) systems.
This calibrator not only functions as a precise pressure source but also conducts the calibration process seamlessly and efficiently with its electrical measurement capabilities.
Key Features of the Fluke 721-3650 Dual Sensor Pressure Calibrator
- Two internal sensors for simultaneous measurement of low and high pressure
- Low pressure range: -14 to 36 PSI (suitable for vacuum and low pressure)
- High pressure range: 0 to 5000 PSI (suitable for high-pressure systems)
- Exceptional accuracy and reliability in harsh industrial conditions
- Ergonomic and portable design for field use
- User-friendly interface and readable display for quick settings
- Power supply for 2-wire and 4-wire sensors
Technical Specifications
| Feature | Value |
| Model | 721-3650 |
| Device Type | Dual Sensor Pressure Calibrator |
| Low Pressure Range | -14 to 36 PSI |
| High Pressure Range | 0 to 5000 PSI |
| Measurement Accuracy | Highest accuracy in range (according to Fluke catalog) |
| Connection Type | Compatible with standard pressure fittings |
| Power Supply | Rechargeable or standard battery |
| Application | Calibration of transmitters, sensors, and pressure switches |
Frequently Asked Questions
Is this calibrator suitable for calibrating high-pressure sensors?
Yes, the model 721-3650 features an internal sensor with a range of 0 to 5000 PSI, making it highly suitable and precise for calibrating high-pressure sensors and transmitters.
What is the main advantage of using the dual sensor model over single sensor models?
The main advantage is that you can measure both low (vacuum) and high pressures simultaneously with one device, eliminating the need to carry and switch different modules, which significantly reduces calibration time.
Does the Fluke 721-3650 Dual Sensor Pressure Calibrator have the capability to test the electrical output of sensors?
Yes, this calibrator, in addition to generating precise pressure, also measures electrical signals (such as 4-20 mA), completing the calibration process.
Conclusion
The Fluke 721-3650 Dual Sensor Pressure Calibrator, with its combination of two extensive pressure ranges in one unit, provides an efficient and economical solution for industrial maintenance and repair teams.
Choosing this model ensures operational accuracy for pressure equipment in production lines and sensitive industrial processes, backed by high precision, structural durability, and the reliability of the Fluke brand.
