Benchtop/Handheld
Networked
USB
Height Adjustable Leg/Column
Lifting Column Accessories
Synchronized Control Box
Touch Control Panel
HS700 Pneumatic Pressure Comparator – High Precision Air Pressure Calibration Pump
Key Features
- High precision pneumatic pressure generation
- Dual pressure ports for reference and test instruments
- Fine pressure adjustment for accurate calibration
- Leak-proof design for stable performance
- Compact and portable structure
- Easy operation with manual pressure control
- Durable construction for industrial use
Technical Highlights
- Pressure Medium: Air
- Pressure Ports: Dual output ports
- Application: Pressure gauge and transmitter calibration
- Design: Portable and rugged body
- Operation: Manual pressure generation and control
Applications
Ideal for calibration of pressure gauges, pressure transmitters, sensors, and industrial measurement devices in laboratories, oil & gas industries, manufacturing plants, and process control systems.
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.
