Benchtop/Handheld
Networked
USB
Height Adjustable Leg/Column
Lifting Column Accessories
Synchronized Control Box
Touch Control Panel
HS720 High-Precision Pneumatic Pressure Comparator Pump (Vacuum to 140 Bar Calibration System)
Key Features
- Precision shut-off valve for stable pressure calibration
- Built-in air-oil separator for clean and maintenance-free operation
- High-efficiency hand pump for fast pressure generation
- Military-grade sealing technology for leak-proof performance
- Fine adjustment valve for precise pressure control
- Portable and rugged design for field and lab use
- Wide pressure range: Vacuum to 140 bar
Technical Specifications
- Pressure Range: -0.95 to 140 bar
- Minimum Adjustment: 0.1 mbar
- Working Medium: Air
- Pressure Connection: M20×1.5 Female
- Dimensions: 380 × 198 × 140 mm
- Weight: 6.5 kg
- Material: Stainless steel & anti-rust aluminum
- Sealing: Buna-N O-rings
Applications
- Calibration of pressure gauges
- Testing of pressure transmitters
- Adjustment of pressure switches
- Industrial use in power plants, oil & gas, chemical, and metallurgy sectors
Package Includes
- 1 × HS720 Pneumatic Comparator
- 10 × O-Rings
- Test Report
- User Manual
Key Functional Components
- Hand Pump: Generates pre-pressure efficiently
- Reverse Valve: Switch between pressure & vacuum
- Dual Pressure Ports: For reference & test instruments
- Fine Adjustment Valve: Precision pressure tuning
- Relief Valve: Safe pressure release
- Shut-off Valve: Stabilizes pressure during calibration
Why Choose HS720 Comparator?
The HS720 stands out as a reliable pressure calibration solution for professionals who require accuracy, durability, and ease of operation. Its portable design and advanced engineering make it a preferred choice for industrial calibration tasks.
HS721 Bench-Mount Pneumatic Pressure Comparator (Vacuum to 60 Bar Calibration System)
Key Features
- Bench-mounted design for stable laboratory calibration
- High precision pressure adjustment with 0.1 mbar accuracy
- Wide pressure range: -0.95 to 60 bar
- Durable construction with stainless steel and aluminum body
- Advanced sealing technology for leak-proof performance
- Supports simultaneous calibration of multiple gauges
- Easy operation with hand pump and fine adjustment system
Technical Specifications
- Pressure Range: -0.95 to 60 bar
- Adjustment Accuracy: 0.1 mbar (10 Pa)
- Working Medium: Air
- Pressure Connection: M20×1.5 Female
- Dimensions: 380 × 380 × 200 mm
- Weight: 14.8 kg
- Material: Stainless steel & aluminum
- Sealing: Buna-N O-rings
Applications
- Calibration of pressure transmitters
- Testing of precision pressure gauges
- Adjustment of pressure switches
- Used in laboratories, power plants, oil & gas, and industrial sectors
Key Functional Components
- Hand Pump: Generates initial pressure efficiently
- Reverse Valve: Switch between pressure and vacuum
- Multiple Pressure Ports: Enables simultaneous testing of gauges
- Fine Adjustment Valve: Provides precise pressure control
- Lead Screw Pump: Allows rapid pressure adjustment
- Relief Valve: Ensures safe pressure release
Package Includes
- 1 × HS721 Pneumatic Comparator
- 10 × O-Rings
- Test Report
- User Manual
Why Choose HS721 Comparator?
The HS721 offers superior accuracy, durability, and stability, making it an excellent choice for professionals who require reliable pressure calibration in lab environments. Its bench-mounted design and multi-port capability improve efficiency and precision during calibration tasks.
Portable Pneumatic Pressure Comparator HS702 HS703 Vacuum to 60 Bar Calibration Pump
Key Features
- Wide pressure range from vacuum up to 60 bar
- High precision fine adjustment valve (0.1 mbar / 10 Pa accuracy)
- Built-in air-oil separator for clean and stable operation
- Dual pressure output ports for simultaneous calibration
- Hand pump + screw spindle pump for effortless pressure control
- Rugged design with anti-rust aluminum and stainless steel body
- Quick connection M20×1.5 ports for easy setup
- Compact and portable design for field and lab use
Technical Specifications
- Models: HS702 & HS703
- Pressure Range:
- HS702: -0.95 to 25 bar
- HS703: -0.95 to 60 bar
- Working Medium: Air
- Accuracy: 0.1 mbar (10 Pa)
- Material: Stainless steel, aluminum body, Buna-N seals
- Connection: M20×1.5 female
- Dimensions: 286 × 198 × 140 mm
- Weight: 2.7 kg
Applications
- Pressure gauge calibration
- Transmitter testing
- Industrial instrumentation calibration
- Laboratory pressure testing
- Oil & gas, power plants, and chemical industries
Why Choose HS702 / HS703?
This pneumatic comparator stands out for its precision, portability, and durability, making it an ideal solution for professionals who require accurate pressure calibration in both controlled and field environments.
