Description
Portable Pneumatic Vacuum & Pressure Calibration Pump for Accurate Field Instrument Testing
The Low Range Handheld Pneumatic Vacuum Cum Pressure Calibrator -0.95 to 7 Bar with Isolation Valve from Japsin Instrumentation is a compact, precision-engineered pneumatic calibration pump designed for accurate generation of both vacuum and positive pressure for field and laboratory calibration applications. This versatile handheld calibrator is specially developed for calibration and testing of pressure gauges, vacuum gauges, transmitters, switches, sensors, manometers, indicators, and other low-pressure instruments used across industrial process systems.
Designed with portability, durability, and ease of operation in mind, this handheld calibrator can generate vacuum up to -0.95 Bar and pressure up to 7 Bar using a smooth manual pumping mechanism. The integrated isolation valve enables precise pressure stabilization and fine control during calibration, ensuring highly reliable and repeatable results.
The compact and lightweight design makes it ideal for field engineers, instrumentation technicians, calibration laboratories, maintenance teams, HVAC professionals, and industrial service personnel who require dependable pressure generation in portable form.
What is a Pneumatic Vacuum Cum Pressure Calibrator?
A pneumatic vacuum cum pressure calibrator is a manually operated portable pressure generation device used for calibrating pressure instruments using dry air as the pressure medium. It can generate both:
- Positive pressure
- Vacuum pressure
This allows users to test and verify instruments across vacuum and low-pressure ranges without requiring compressed gas cylinders or electric pressure sources.
The handheld pneumatic calibrator is commonly used for:
- Pressure gauge calibration
- Vacuum gauge testing
- Pressure transmitter verification
- Differential pressure transmitter testing
- Pressure switch calibration
- Instrument maintenance and troubleshooting
The Japsin Instrumentation low-range pneumatic calibrator is specially designed for low-pressure applications where stable, accurate, and controlled pressure generation is essential.
Key Features of Low Range Handheld Pneumatic Vacuum Cum Pressure Calibrator
1. Pressure & Vacuum Generation in One Instrument
This portable calibrator can generate:
- Vacuum up to -0.95 Bar
- Pressure up to 7 Bar
This dual functionality makes it suitable for both vacuum and pressure instrument calibration applications.
2. Integrated Isolation Valve for Stable Calibration
One of the major advantages of this model is the built-in isolation valve.
Benefits of Isolation Valve:
- Pressure locking capability
- Stable calibration readings
- Fine pressure adjustment
- Reduced pressure fluctuation
- Improved calibration accuracy
This feature is especially useful while calibrating sensitive transmitters and gauges requiring stable pressure conditions.
3. Compact Handheld Design
The calibrator is lightweight and ergonomically designed for easy portability and onsite operation.
Advantages:
- Easy field transportation
- Convenient maintenance work
- Portable calibration solution
- Ideal for onsite calibration jobs
Its handheld structure makes it suitable for engineers working in plants, workshops, offshore sites, and industrial facilities.
4. Smooth Pneumatic Pressure Generation
The hand-operated mechanism allows smooth generation of pressure and vacuum with minimal effort.
Features:
- Fast pressure buildup
- Easy vacuum generation
- Smooth pumping action
- Stable output pressure
The scissor-type manual operation enables quick calibration setup in field applications.
5. Fine Adjustment Control
The calibrator includes fine adjustment control for precision calibration work.
Benefits:
- Accurate pressure setting
- Controlled pressure increase
- Better repeatability
- Precise calibration points
This is essential for calibration laboratories and industrial maintenance departments.
Dry Air Operation
The unit uses dry air as the pressure medium, making it clean and suitable for pneumatic instrument testing.
Suitable For:
- Pneumatic transmitters
- Air-operated instruments
- Low-pressure gauges
- HVAC sensors
Applications of Pneumatic Vacuum Cum Pressure Calibrator
The handheld pneumatic calibrator is widely used in multiple industrial sectors.
1. Pressure Gauge Calibration
Suitable for calibration of:
- Industrial pressure gauges
- Vacuum gauges
- Compound gauges
- Differential pressure gauges
2. Pressure Transmitter Testing
Ideal for testing and calibration of:
- Pressure transmitters
- Differential pressure transmitters
- Pneumatic transmitters
3. HVAC Systems
Used for:
- Air pressure testing
- Filter pressure verification
- Duct pressure calibration
4. Process Industries
Applicable in:
- Chemical plants
- Pharmaceutical industries
- Food processing plants
- Water treatment plants
5. Instrumentation Maintenance
Perfect for:
- Preventive maintenance
- Instrument verification
- Field troubleshooting
- Plant shutdown maintenance
6. Calibration Laboratories
Suitable for portable and bench calibration applications.
Advantages of Using Handheld Pneumatic Pressure Calibrator
1. Portable Calibration Solution
Allows onsite calibration without bulky equipment.
2. No External Power Required
Operates manually without electricity or compressor.
3. Stable Pressure Generation
Isolation valve improves calibration stability.
4. Lightweight & Compact
Easy to carry to field locations.
5. Cost-Effective Calibration Tool
Reduces dependency on large calibration setups.
6. Easy Operation
Simple controls enable quick usage even in field conditions.
Working Principle
The handheld calibrator works through manual pneumatic pressure generation.
Process:
- The operator pumps the handle manually.
- Air pressure or vacuum is generated.
- Pressure is transferred to the connected instrument.
- Isolation valve locks pressure for stable readings.
- Fine adjustment control enables accurate pressure setting.
The system provides smooth and controlled pressure generation for calibration purposes.
Standard Supply Accessories
The calibrator may be supplied with:
- Flexible hose assembly
- Adaptors
- Connection fittings
- Sealing washers
- O-ring set
This enables easy connection with different pressure instruments.
Construction Features
1. Rugged Body Construction
Built for industrial environments and field usage.
2. Precision Valve Mechanism
Ensures leak-proof pressure holding and smooth operation.
3. High-Quality Sealing Components
Prevents air leakage during calibration.
4. Ergonomic Handle Design
Improves user comfort during operation.
Industries Served
This calibrator is widely used in:
- Oil & Gas Industries
- Pharmaceutical Plants
- HVAC Industry
- Power Plants
- Chemical Industries
- Process Industries
- Calibration Laboratories
- Instrumentation Service Companies
- Manufacturing Plants
- Field pressure calibrator
Why Isolation Valve is Important in Calibration?
The isolation valve significantly improves calibration quality.
It Helps In:
- Holding stable pressure
- Preventing pressure drift
- Improving calibration repeatability
- Accurate transmitter verification
- Reducing manual correction
This makes the calibrator highly suitable for precision instrumentation work.
Why Choose Japsin Instrumentation?
Japsin Instrumentation is known for manufacturing industrial-grade pressure calibration and process instrumentation products. The company offers dependable solutions for field and laboratory calibration applications.
Advantages of Choosing Japsin Instrumentation:
- High-quality industrial products
- Reliable calibration solutions
- Precision engineering
- Competitive pricing
- Technical expertise
- Long product life
- Industrial-grade construction
Maintenance Tips
For long-term reliable operation:
- Keep fittings clean
- Avoid dust entry into ports
- Check seals periodically
- Avoid overpressure operation
- Store in dry conditions
- Ensure leak-free connections
Proper maintenance ensures stable calibration performance and longer operational life.
Conclusion
The Low Range Handheld Pneumatic Vacuum Cum Pressure Calibrator -0.95 to 7 Bar with Isolation Valve is a compact, reliable, and highly efficient solution for portable pressure and vacuum calibration applications. Designed for industrial field use, calibration laboratories, and instrumentation maintenance, this calibrator provides stable pressure generation, excellent portability, and accurate control.
With its integrated isolation valve, lightweight construction, and dual vacuum-pressure capability, it is an essential tool for professionals involved in pressure instrument calibration and testing.
For industries requiring dependable low-pressure calibration equipment, this Japsin Instrumentation pneumatic calibrator offers excellent performance, convenience, and long-term reliability.
Japsin Instrumentation – Since 1974
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