400 kw generator Safety Certifications
When selecting a 400 kW generator, ensuring it meets stringent safety certifications is crucial for both compliance and safety. Here are some common certifications and standards to look for:
1. UL (Underwriters Laboratories):
UL certification means the generator has been tested and meets specific safety standards. Look for labels like UL 2200, indicating compliance with stationary engine-generator assembly standards.
2. CSA (Canadian Standards Association):
For generators used in Canada or designed to Canadian standards, a CSA mark signifies adherence to Canadian safety guidelines.
3. CE (Conformité Européenne):
The CE mark indicates the generator conforms to European Union safety, health, and environmental protection requirements. It’s mandatory for generators sold within the European Economic Area.
4. EPA (Environmental Protection Agency):
In the U.S., generators must meet EPA regulations on emissions. Tier certifications (e.g., Tier 2, Tier 4) specify the level of emission control.
5. ISO (International Organization for Standardization):
ISO standards like ISO 8528-5 focus on performance and safety requirements for engines and generators.
6. NFPA (National Fire Protection Association):
NFPA 110 sets standards for emergency and standby power systems, essential for ensuring generator reliability in emergencies.
7. OSHA (Occupational Safety and Health Administration):
Compliance with OSHA standards ensures workplace safety during the installation and operation of the generator.
8. IEC (International Electrotechnical Commission):
IEC 60034 deals with electrical performance and safety aspects of rotating electrical machines, including generators.
Verifying these certifications ensures that the 400 kW generator you choose is built to recognized safety and performance standards, providing peace of mind and compliance with legal requirements.
List Reference Technical Parameters of “400 kw generator”
The key technical parameters of a 400 kW generator provide vital information about its capabilities and limitations. Here’s a concise summary:
1. Power Output:
– Rated Power: 400 kW (500 kVA at 0.8 power factor).
– Maximum Power: Typically allows for a short-term surge above rated capacity.
2. Engine Specifications:
– Type: Internal Combustion Engine, usually Diesel or Natural Gas.
– Displacement: Varies by manufacturer, typically ranges between 15 to 25 liters.
– Number of Cylinders: Generally between 6 and 16.
– Engine Speed: Commonly 1500 RPM or 1800 RPM for 50Hz or 60Hz applications, respectively.
3. Fuel System:
– Consumption: Approximately 100-120 liters/hour at full load (varies with load and type of fuel).
– Fuel Tank Capacity: Typically between 500 to 1000 liters.
4. Cooling System:
– Type: Closed Loop, typically air or liquid-cooled.
– Coolant Capacity: Varies; around 70-100 liters for liquid-cooled.
5. Electrical Characteristics:
– Voltage Output: Commonly 400/230V for 3-phase generators.
– Frequency: 50 Hz or 60 Hz, depending on regional standards.
– Regulation: +/-1% voltage regulation.
6. Dimensions and Weight:
– Size: Approximate dimensions 4.5m (L) x 1.5m (W) x 2.5m (H).
– Weight: Around 5,000-7,000 kg depending on design and extra features.
7. Sound Levels:
– Noise Output: Ranges between 70-85 dBA at 7 meters (varies with enclosure design).
8. Control System:
– Modern generators feature advanced controllers for automation, remote monitoring, fault detection, and power management.
9. Environmental Considerations:
– Emissions: Compliant with relevant international and local emissions standards (e.g., Tier 3, Stage V).
– Efficiency: Electrical efficiency typically around 30-35%.
10. Operational Conditions:
– Continuous/Duty Cycle: Can operate for prolonged periods with regular maintenance.
– Ambient Temperature: Generally suitable for operation between -20°C to +50°C.
These specifications ensure that a 400 kW generator is adequately chosen and maintained for reliable operation across various applications.
List Product features of “400 kw generator”
The 400 kW generator is a robust and efficient power solution suitable for a variety of applications, from industrial to commercial settings. Here are its key features condensed for clarity:
1. Power Output: Delivers a reliable 400 kilowatts (kW) of power, sufficient to meet the demands of medium to large-scale operations.
2. Engine Performance: Equipped with a high-performance, heavy-duty diesel engine designed for durability and optimal fuel efficiency.
3. Fuel Efficiency: Advanced fuel injection and management systems ensure low fuel consumption, reducing operational costs.
4. Automatic Transfer Switch (ATS): Seamlessly switches between the generator and main power supply to provide uninterrupted power.
5. Control Panel: User-friendly digital control panel for easy monitoring and management, often featuring LCD screens and real-time data display.
6. Cooling System: Superior cooling mechanisms, such as liquid cooling, to maintain optimal operating temperatures and extend the generator’s lifespan.
7. Noise Reduction: Sound-attenuated enclosures or mufflers significantly reduce operational noise, making it suitable for environments where noise is a concern.
8. Durability & Build Quality: Robust construction with corrosion-resistant materials that ensure long-term reliability and minimal maintenance.
9. Safety Features: Includes multiple safety mechanisms like overload protection, emergency stop buttons, and leak detectors.
10. Compliance: Meets and often exceeds industry standards and regulations for emissions and safety, ensuring eco-friendly operations.
11. Modularity: Can be synchronized with other units for scalability according to power requirements.
12. Portability: Optional mobility kits and trailers for easy transportation and deployment to different locations.
13. Remote Monitoring: Capability for remote diagnostics and monitoring via internet or cellular connections, enhancing management efficiency.
14. Warranty & Support: Typically backed by comprehensive warranties and extensive customer support network.
These features make the 400 kW generator a versatile and reliable choice for ensuring uninterrupted power in various demanding environments.
List Various Types of “400 kw generator”
400 kW generators are versatile pieces of equipment that cater to a variety of needs across different sectors. Below are the main types:
1. Diesel Generators
– Prime/Continuous Power: These generators are built to run for long durations and are ideal for remote sites without grid access.
– Standby Power: Used as backup power sources, they kick in during grid failures and are commonly found in hospitals, data centers, and commercial buildings.
2. Natural Gas Generators
– Prime/Continuous Power: Suited for locations with access to natural gas, these generators are efficient and environmentally friendly.
– Standby Power: Often used in urban settings where natural gas is readily available, providing a cleaner alternative to diesel.
3. Bi-Fuel Generators
– These generators can run on a mixture of diesel and natural gas, providing flexibility and extended run times.
4. Portable Generators
– These are smaller, movable units ideal for temporary use at construction sites or outdoor events.
5. Trailer-Mounted Generators
– Designed for easy transport, these generators are often used in construction, disaster recovery, and events.
6. Marine Generators
– Specifically designed for marine applications, they are built to withstand harsh sea conditions and provide reliable power on ships and offshore platforms.
7. Hybrid Generators
– Combining conventional engines with renewable energy sources (like solar), these generators are used to reduce fuel consumption and emissions.
Each type of 400 kW generator serves distinct needs based on fuel availability, usage duration, and mobility requirements. Selecting the right generator involves considering factors like operational environment, fuel efficiency, and specific application needs.
List Application of “400 kw generator”
A 400 kW generator is a robust piece of equipment used for providing substantial electric power in various scenarios. Here are some key applications:
1. Industrial Applications: In manufacturing plants and factories, a 400 kW generator can power heavy machinery, production lines, and essential systems during power outages, ensuring uninterrupted operations.
2. Construction Sites: For large construction projects, such a generator provides power for tools, equipment, lighting, and temporary site offices, especially in remote locations without grid access.
3. Healthcare Facilities: Hospitals and critical care units require reliable backup power for life-saving equipment, ventilation systems, and essential services, making high-capacity generators indispensable.
4. Data Centers: Data centers that host servers and critical IT infrastructure use 400 kW generators for backup to maintain uptime and prevent data loss during power failures.
5. Commercial Buildings: Large office buildings, malls, and hotels utilize these generators for emergency power to sustain essential services like elevators, lighting, security systems, and HVAC systems.
6. Events and Entertainment: Outdoor events, concerts, and film sets rely on powerful generators to support lighting, sound systems, and other technological requirements, especially where grid power is unavailable.
7. Agriculture: Large farms and agricultural operations use such generators to run irrigation systems, ventilation in poultry farms, dairy operations, and other vital machinery.
8. Military and Emergency Services: Military bases and emergency response units deploy 400 kW generators for critical infrastructure, field operations, and disaster response activities to ensure readiness and resilience.
These applications demonstrate the versatility and necessity of 400 kW generators across various sectors, contributing to operational continuity, safety, and efficiency.
List Buyer Types of “400 kw generator”
Certainly! The market for a 400 kW generator typically includes a diverse range of buyers, each with specific needs and applications. Below are the primary buyer types:
1. Industrial Facilities:
– Manufacturing Plants: Require reliable power to maintain production lines.
– Oil & Gas Companies: Use generators for exploration sites and remote operations.
2. Commercial Enterprises:
– Data Centers: Need uninterrupted power for servers and IT infrastructure.
– Large Retail Stores: Use generators to keep operations running during outages.
3. Healthcare Institutions:
– Hospitals & Medical Centers: Essential for critical systems and lifesaving equipment.
– Laboratories: Maintain experiments and sensitive equipment functioning.
4. Government and Municipal Services:
– Emergency Services: Fire stations and police departments rely on auxiliary power.
– Water Treatment Plants: Ensure continuous operation for public health.
5. Construction Companies:
– Require portable power for tools and equipment at job sites.
– Useful in remote locations without grid access.
6. Telecommunications:
– Maintain communication networks and server sites during power failures.
7. Agricultural Operations:
– Support irrigation systems and other farming machinery.
– Ensure animal safety in dairy and poultry farms.
8. Event Management Companies:
– Power for temporary setups in outdoor events, concerts, and festivals.
9. Hotels and Resorts:
– Reliable back-up power to keep guests comfortable and operations smooth.
10. Educational Institutions:
– Universities and schools for maintaining operations and research labs.
11. Renewable Energy Projects:
– For balancing and managing intermittent supply from renewable sources.
Each buyer type values 400 kW generators for their reliability, durability, and capacity to provide essential power during outages or in off-grid situations.
List “400 kw generator” Project Types for Different Industries
A 400 kW generator is a versatile power solution for various industries, providing reliable energy for critical operations and projects. Below are project types across different sectors:
1. Construction
– Site Power: Provides electricity for lighting, tools, and machinery.
– Temporary Office Power: Energizes on-site offices and communication equipment.
2. Healthcare
– Emergency Backup: Ensures continuous operation of essential medical equipment, emergency rooms, and life support systems.
– Field Hospitals: Supplies power for remote or temporary medical facilities during crises.
3. Telecommunications
– Cell Towers: Backups for network reliability in case of main power failure.
– Data Centers: Ensures continuous data processing and communication operations.
4. Manufacturing
– Production Lines: Powers machinery and equipment to maintain production schedules during outages.
– Testing and R&D: Facilitates trials and continuous running of new lines without affecting the main grid.
5. Agriculture
– Irrigation Systems: Maintains consistent water supply during grid outages.
– Processing Units: Keeps essential operations running during peak harvest times.
6. Events and Entertainment
– Outdoor Events: Provides power for concerts, festivals, and sporting events.
– Broadcasting: Ensures uninterrupted power supply for live telecasts and recording.
7. Mining and Extraction
– Remote Power: Supplies electricity to remote drilling, mining sites, or extraction facilities.
– Operational Support: Powers essential backup systems like ventilation and safety lights.
8. Government and Military
– Field Operations: Provides portable power for bases and remote command posts.
– Emergency Services: Powers relief operations during natural disasters and emergencies.
9. Retail and Hospitality
– Store Operations: Keeps essential services like refrigeration and security systems running.
– Hotel Services: Maintains guest comfort and business operations during power outages.
A 400 kW generator ensures that critical operations in various industries remain uninterrupted, safeguarding productivity and service reliability.
400 kw generator Accessories Upgrades and Custom Manufacturing Options
Upgrading and customizing a 400 kW generator can significantly enhance its performance, reliability, and versatility. Here are some common accessory upgrades and custom manufacturing options:
1. Automatic Transfer Switch (ATS): Ensures seamless power transition during outages, providing automatic switching between utility and generator power.
2. Sound Attenuated Enclosures: Custom-designed enclosures to reduce noise pollution, making the generator suitable for residential or noise-sensitive areas.
3. Remote Monitoring Systems: Advanced remote management systems allow for real-time monitoring and control, improving operational efficiency and proactive maintenance.
4. Fuel System Upgrades: Options include larger fuel tanks for extended run times, dual-fuel systems for flexibility, and fuel polishing systems to maintain fuel purity.
5. Exhaust Systems: Enhanced exhaust systems, including catalytic converters and particulate filters, to meet stringent environmental regulations.
6. Load Banks: Integrated or portable load banks for testing and maintenance, ensuring generator reliability and performance under different load conditions.
7. Paralleling Capability: Allowing multiple generators to work in tandem for increased power output or redundancy, controlled by sophisticated synchronization systems.
8. Weatherproof Enclosures: Custom enclosures to protect from harsh environmental conditions, extending the lifespan of the generator.
9. Cooling System Enhancements: Upgraded cooling systems for optimal performance in extreme temperatures, including radiator upgrades and additional cooling fans.
10. Power Distribution Panels: Custom-configured panels for safe and efficient power distribution, tailored to specific load requirements.
These accessories and custom manufacturing options can transform a standard 400 kW generator into a highly reliable, efficient, and versatile power solution, tailored to meet specific operational and regulatory needs.
List Quality Control and The Manufacturing Process of “400 kw generator”
Quality Control of 400 kW Generator:
1. Incoming Material Inspection:
– Inspect raw materials and parts for compliance with specifications.
– Use non-destructive testing methods where applicable.
2. In-Process Inspection:
– Monitor assembly line processes to ensure adherence to design parameters.
– Utilize statistical process control (SPC) to detect deviations early.
3. Performance Testing:
– Conduct electrical tests to ensure output meets the 400 kW standard.
– Perform load tests under various conditions to verify reliability and capacity.
4. Final Inspection:
– Visual and functional checks for any defects or non-conformities.
– Verify that all components and systems function as intended.
5. Compliance and Documentation:
– Ensure the generator adheres to industry standards and regulations.
– Maintain detailed records for traceability and accountability.
Manufacturing Process of 400 kW Generator:
1. Design and Planning:
– Engineers design the generator and create detailed blueprints.
– Production planning ensures resource optimization and workflow efficiency.
2. Material Procurement:
– Source high-quality materials and components from reliable suppliers.
– Conduct initial quality checks on received materials.
3. Core Construction:
– Assemble the stator and rotor cores with precise alignment.
– Insulate the windings to prevent electrical faults.
4. Mechanical Assembly:
– Mount the generator core to the frame and secure it properly.
– Install bearings, fans, and other mechanical components.
5. Electrical Assembly:
– Integrate control systems, wiring, and electrical connections.
– Calibrate components to ensure they meet operational specifications.
6. Testing and Calibration:
– Subject the assembled generator to rigorous testing, including voltage, current, and load tests.
– Adjust settings and calibrate to optimize performance.
7. Finishing:
– Paint and finish the generator to protect against environmental conditions.
– Apply labels and safety markings.
8. Packaging and Shipping:
– Pack the generator securely to avoid damage during transit.
– Ensure all shipping documentation is complete and accurate.
By focusing on meticulous quality control and a precise manufacturing process, the 400 kW generator meets both performance and reliability standards.
How to use “400 kw generator”
Using a 400 kW generator involves several important steps to ensure safety, efficiency, and proper operation. Here’s a concise guide:
1. Read the Manual
– Refer to the User Manual: Before operating the generator, read the manufacturer’s manual thoroughly to understand its specific features, controls, and safety precautions.
2. Location and Setup
– Choose a Suitable Location: Place the generator in a well-ventilated area, away from buildings, windows, and doors to prevent carbon monoxide accumulation.
– Level Ground: Ensure the generator is on a flat, stable surface to avoid fuel leaks and uneven operation.
3. Check Fuel and Oil
– Fuel Type: Use the recommended fuel type as specified in the manual.
– Oil Level: Check and fill the oil to the required level. Use the oil type specified by the manufacturer.
4. Inspect the Generator
– Connections and Wires: Inspect all wires and connections for damage or looseness.
– Load Capacity: Calculate the total load to be connected ensuring it doesn’t exceed the generator’s 400 kW capacity.
5. Starting the Generator
– Circuit Breaker: Ensure the generator’s circuit breaker is in the “off” position.
– Ignition: Follow the start-up procedure, which usually involves turning the key or pressing the start button. For electric start models, ensure the battery is charged.
– Warm-Up: Allow the generator to run for a few minutes without load to warm up.
6. Connecting Loads
– Connect Appliances: Connect necessary appliances or transfer switch ensuring they are within the wattage capacity.
– Turn on Circuit Breaker: Switch the generator’s circuit breaker to the “on” position to supply power.
7. Operation and Monitoring
– Monitor Running Conditions: Regularly check gauges and indicators for oil pressure, temperature, and voltage.
– Listen for Unusual Noises: Unusual sounds can indicate potential issues.
8. Shutting Down the Generator
– Disconnect Load: Turn off and unplug all connected appliances.
– Turn off Circuit Breaker: Switch the circuit breaker to the “off” position.
– Cool Down: Allow the generator to run without load for a few minutes.
– Shutdown: Turn off the generator following the manufacturer’s instructions.
9. Maintenance
– Regular Checks: Perform regular maintenance including oil changes, air filter cleaning, and battery checks as per the manual.
– Fuel Storage: Store fuel safely and use a fuel stabilizer if it’s going to be stored for a long period.
By following these steps, you can ensure the safe and efficient use of your 400 kW generator.
“400 kw generator” Comparative Analysis
When analyzing 400 kW generators, several factors should be considered, including fuel type, efficiency, durability, cost, and application suitability. Here’s a comparative analysis of three common types: diesel, natural gas, and bi-fuel generators.
Diesel Generators
Pros:
1. Fuel Efficiency: Diesel units generally offer better fuel efficiency than natural gas counterparts, translating to lower operating costs.
2. Durability: They are known for their robustness and long lifespan, which makes them ideal for heavy-duty applications.
3. High Power Output: Deliver consistent power, making them suitable for industrial and large commercial uses.
Cons:
1. Initial Cost: Higher upfront purchase and installation costs.
2. Emissions: Diesel engines produce higher levels of pollutants, which may be a concern depending on environmental regulations.
3. Noise: Tends to be noisier, necessitating sound attenuation measures.
Natural Gas Generators
Pros:
1. Environmental Impact: Cleaner burning with fewer emissions compared to diesel, meeting stricter environmental standards.
2. Cost of Fuel: Generally expensive upfront but cheaper and more stable in terms of fuel cost.
3. Maintenance: Lubricating properties of natural gas contribute to longer engine life and reduced maintenance needs.
Cons:
1. Fuel Supply: Dependence on gas pipelines which may be unreliable or unavailable in remote locations.
2. Efficiency: Typically, lower efficiency compared to diesel, leading to higher fuel consumption.
Bi-Fuel Generators
Pros:
1. Flexibility: Ability to run on a combination of natural gas and diesel can help manage fuel costs and availability concerns.
2. Environmentally Friendly: Cleaner than traditional diesel options due to lower emissions when running on natural gas.
Cons:
1. Complexity: Dual-fuel systems are more complex, potentially increasing maintenance and initial installation cost.
2. Initial Cost: Higher than either single fuel type generator owing to more sophisticated technology.
Conclusion:
The choice of a 400 kW generator depends on specific needs and application scenarios. Diesel generators are optimal for heavy-duty, high-consumption industries due to their reliability and efficiency. Natural gas generators suit environmentally-conscious applications with consistent fuel access. Bi-fuel generators offer a versatile solution by balancing the benefits and drawbacks of both fuel types. Cost, environmental regulations, and operational requirements should guide the final decision.
“400 kw generator” Warranty and Support
When investing in a 400 kW generator, warranty and support are crucial considerations to ensure long-term reliability and performance. Manufacturers typically offer comprehensive warranty packages that cover various components and potential defects. A standard warranty period ranges from 1 to 5 years or a specified number of operational hours, whichever comes first. This warranty commonly includes coverage for parts, labor, and sometimes even travel expenses for service technicians.
Additionally, many generator providers offer extended warranty options for an added cost, providing peace of mind beyond the standard coverage. Extended warranties often include regular maintenance services, which can be essential for optimizing the generator’s lifespan and efficiency.
Support services are equally critical. Reputable manufacturers and dealers provide robust customer support that includes 24/7 technical assistance, ensuring that help is available whenever needed. This support may come through various channels such as phone, email, or live chat. Furthermore, many service providers offer on-site repair services, preventive maintenance programs, and remote monitoring to detect and address issues before they become critical.
Training for your team on how to properly operate and maintain the generator may also be included or available as an added service. This ensures that your staff is well-prepared to handle minor issues and routine maintenance, reducing downtime and increasing the generator’s overall reliability.
Choosing a generator from a manufacturer with a strong reputation for customer service and comprehensive warranty packages will significantly benefit your investment. In summary, prioritize warranties that provide extensive coverage and opt for a supplier with excellent support services to ensure that your 400 kW generator remains dependable for years to come.
List “400 kw generator” FAQ
400 kW Generator FAQ
1. What is a 400 kW generator?
A 400 kW (kilowatt) generator is a power generation unit that can produce 400 kilowatts of electrical power, suitable for large commercial and industrial applications.
2. What types of 400 kW generators are available?
Common types include diesel, natural gas, and bi-fuel generators. Diesel is preferred for reliability, while natural gas is cleaner and often more economical.
3. What applications are suitable for a 400 kW generator?
Uses include backup power for hospitals, data centers, manufacturing plants, large office complexes, and any facility requiring reliable, high-capacity power.
4. How much fuel does a 400 kW generator consume?
Fuel consumption varies by generator type and load but generally ranges from 27 to 32 gallons per hour for diesel and around 30,000 to 45,000 BTUs per kilowatt-hour for natural gas.
5. How long can a 400 kW generator run continuously?
This depends on fuel supply, maintenance schedule, and specific generator model. Many can operate continuously with proper care, but routine maintenance is vital for longevity.
6. How often should a 400 kW generator be serviced?
Regular maintenance—typically every 250 to 500 hours of operation or semi-annually—is crucial. This includes oil changes, filter replacements, and system inspections.
7. What is the cost of a 400 kW generator?
Prices vary widely based on brand, fuel type, and additional features, ranging from $50,000 to $100,000 or more, excluding installation and maintenance costs.
8. What size of fuel tank is needed?
Tank size depends on runtime requirements. For continuous operation, at least a 1,000-gallon tank for diesel or an appropriate gas supply setup is standard.
9. Can a 400 kW generator be used for parallel operation?
Yes, many units are designed to work in parallel with other generators to increase total power output and provide redundancy.
10. What are the installation requirements?
Proper ventilation, sufficient space, adherence to local codes, and professional installation are essential. Sound attenuation and enclosures may also be required based on location.
11. Are permits required for installation?
Yes, local permits and inspections are typically needed. Verify with local authorities to ensure compliance with regulations.
These FAQs provide a brief overview and can help guide decision-making when selecting a 400 kW generator for your needs.
Top 10 FAQ with answer about 400 kw generator for Buyer Sourcing from China
Sure! Here are the top 10 frequently asked questions (FAQ) with answers about sourcing a 400 kW generator from China:
1. What are the key specifications of a 400 kW generator?
– A 400 kW generator typically includes a diesel engine or gas engine, an alternator, a control panel, and a cooling system. Check for voltage (usually 400/230V), frequency (50/60 Hz), and phase (three-phase).
2. What brands or manufacturers are recommended in China?
– Some reputable Chinese manufacturers include Cummins, Perkins, Yuchai, and Weichai. Each has various models to suit different applications.
3. How can I verify the quality of the generator?
– Outmost Ensure manufacturers have ISO 9001, CE, and other relevant certifications. Visit the factory if possible, and request for previous customers’ reviews or testimonials.
4. What are the warranty and after-sales services?
– Warranties for 400 kW generators usually cover 1-2 years or up to 1000 hours of operation. Check if the manufacturer provides spare parts, technical support, and maintenance services.
5. What is the lead time for production and delivery?
– Typically, lead times range from 4 to 8 weeks, depending on the manufacturer’s capacity and order specifics. Shipping times vary but usually take 2-4 weeks.
6. What is the price range for a 400 kW generator?
– Prices can vary widely, ranging from $30,000 to $80,000 USD, depending on the brand, specifications, and additional features.
7. Are there international shipping and customs considerations?
– Yes, account for international shipping costs, customs duties, and import taxes. Ensure proper documentation to avoid delays.
8. What additional costs should I expect?
– Besides the purchase price, consider shipping, import duties, installation, and periodic maintenance costs.
9. Is there an option for customization?
– Many manufacturers offer customization options, like specific voltage requirements, soundproofing enclosures, or paralleling capabilities for multiple units.
10. Can I get a sample before placing a bulk order?
– While samples for large equipment like generators may not be feasible, manufacturers often offer comprehensive testing videos or small-scale demo units to showcase performance.
These answers should give you a basic understanding before making a purchase decision.