The Fluke 721EX-3650 Dual Sensor Pressure Calibrator provides safe, accurate, and reliable calibration for both low and high-pressure systems in explosive atmospheres. Certified intrinsically safe (ATEX and IECEx), it is the trusted choice for professionals in oil and gas, chemical, and process industries where safety and accuracy are critical.
This model combines two pressure ranges in one unit: a low-pressure sensor (up to 36 PSIG) ideal for measuring gas or pneumatic systems, and a high-pressure sensor (up to 5000 PSIG) suitable for hydraulic and high-pressure applications. Its robust design, bright display, and intuitive interface ensure reliable operation in both field and laboratory environments.
Key Features:
Intrinsically safe (ATEX/IECEx certified) for hazardous locations
Dual pressure ranges: 36 PSIG (low) and 5000 PSIG (high)
High accuracy and repeatability for critical calibration needs
Rugged, portable design for field and plant use
Easy-to-read display with intuitive controls
Suitable for both pneumatic and hydraulic calibration tasks
Applications:
Calibration of pressure transmitters, gauges, and sensors
Oil and gas field service in explosive environments
Chemical and process industry calibration
Lab and field pressure testing and maintenance
Included Accessories:
Protective carrying case
User manual and quick-start guide
Optional calibration certificate available
Compliance:
ISO and CE certified
ATEX and IECEx intrinsically safe approvals
Benefits for Users:
With its dual-sensor capability, the Fluke 721EX-3650 eliminates the need for multiple instruments when working across a wide pressure range. It delivers exceptional accuracy, safety, and durability, making it the perfect tool for professionals who demand reliable calibration in hazardous conditions.



