Used Alko Absauganlage 90 Kw Mit Wärmerückgew Alko Extraction System 90 Kw for sale (72,624)

Condition: ready for operation (used), Year of construction: 2022, functionality: fully functional, filter area: 160 m², Equipment: documentation/manual, NESTRO Extraction System Year 2022 – Modern Industrial Installation – Top Condition NESTRO Extraction Jet NFHSU 11125, 160 m² filter area, incl. 2x electric diverter valves, excl. spark extinguishing system, year 2022 Description For sale is a high-quality, modern extraction system from NESTRO Lufttechnik GmbH, built in 2022. The system comes from an industrial environment and is accordingly in a very good, well-maintained condition. Thanks to its recent year of manufacture, it offers the latest technology, high energy efficiency, and state-of-the-art control components. 👉 Ideal for joineries, woodworking, manufacturing businesses, and industrial applications where dust and chips are generated. Key Technical Data (Excerpt) Manufacturer: NESTRO Lufttechnik GmbH Year of manufacture: 2022 Duct diameter: Ø 300 mm Electric diverter valves included Motor power diverter valve: 0.12 kW Operating voltage: 400 V Frequency: 50 Hz Robust industrial design Scope of delivery - Filter plant / filter housing - Fan / negative pressure fan - Control system (incl. modern control components) - Piping and components (as per inventory) - Diverter valves - Steel structure / installation Condition ✔ Year 2022 – very modern condition ✔ The system has been in use and is proven ✔ Well-maintained overall system ✔ Inspection possible any time Special Features ✔ Very recent year of manufacture ✔ Premium manufacturer (NESTRO) ✔ Modern control technology ✔ Energy-efficient and future-proof ✔ Significantly cheaper than comparable new equipment ✔ Ideal for rapid integration into existing operations Important Notes Sale is made in the current condition Dismantling and loading by purchaser Support for dismantling can be organized upon request Sale without warranty Condition / Warranty The machine offered is sold as used equipment. The sale is under exclusion of any liability for material defects. The machine is sold as inspected and without any warranty. The seller does not guarantee functionality, performance, or suitability for any particular purpose. Disclaimer Any liability for material defects is excluded. This does not apply to damages resulting from injury to life, body or health, or to grossly negligent or intentional behavior by the seller. Dismantling and Transport Dismantling of the machine is the responsibility of the buyer at their own expense and risk. The buyer bears all costs and risks associated with dismantling, loading, and transport. Dodpfx Alsywfl Hebskt Transfer of Risk Risk passes to the buyer at the latest when dismantling or loading begins. Other Provisions No liability is accepted for hidden defects. All information on the machine (e.g. year of manufacture, operating hours, technical data) is given to the best of our knowledge but without guarantee.

Condition: ready for operation (used), Year of construction: 2016, Felder clean air extraction unit | Dust extraction system RL 200 | Ø 200 mm Maximum flow rate: 4000 m³/h Nominal flow rate: 20 m/sec, 2300 m³/h Valve pressure: 2380 Pa Filter area: 20 m² Extraction connection diameter: 200 mm Residual dust content: < 0.1 mg/m³ Felder Briquetting Press FBP 50 Briquette diameter: 50 mm Throughput: 30–50 kg/h Motor power: 4 kW Dimensions (L x W): 1750 x 1270 mm Weight: 950 kg Dedpfx Aljwa Rlksbekt Hydraulic oil capacity: 125 liters Year of manufacture: 2016 Condition: Ready for use Price: €15,500 The system has already been dismantled and is stored in the Raasdorf warehouse.

Year of construction: 2015, condition: used, A central welding fume extraction system is offered. Airflow: 30000m³/h, airflow: 30000m³/h, motor power: 30kW, compressed air connection: 6-8bar, max. static pressure: 2500Pa, duty cycle: 100%, control: PLC. The system is equipped with 2 spark traps and various ductwork components (extraction arms and hoods not included). An inspection is possible by arrangement. Dedpfszy Rvtsx Albjkt

Condition: new, Holzprofi piping system for professional wood dust extraction – various diameters Prices depend on length and design – starting from €9.00 Branch: RO-AZ100/100/100 RO-AZ120/120/100 RO-AZ120/120/120 RO-AZ150/150/120 RO-AZ150/150/150 RO-AZ200/200/120 RO-AZ200/200/150 RO-AZ200/200/200 RO-AZ250/250/150 RO-AZ250/250/200 RO-AZ250/250/250 RO-AZ300/300/150 RO-AZ300/300/200 RO-AZ300/300/250 RO-AZ300/300/300 Reducer: RO-RZ120/100/250 RO-RZ150/100/250 RO-RZ150/120/250 RO-RZ200/120/150 RO-RZ200/150/500 RO-RZ250/150/500 RO-RZ250/200/500 RO-RZ300/200/500 RO-RZ300/250/500 Connection with slide valve: RO-S100 RO-S120 RO-S150 RO-S200 RO-S250 RO-S300 Connecting pipe: 100/250 100/500 100/1000 Dodpfx Aszrlilolbskt 150/250 150/500 150/1000 200/250 200/500 200/1000 250/250 250/500 250/1000 300/250 300/500 300/1000 Elbow: RO-B 100/45° RO-B 100/90° RO-B 120/45° RO-B 120/90° RO-B 150/45° RO-B 150/90° RO-B 200/45° RO-B 200/90° RO-B 250/45° RO-B 250/90° RO-B 300/45° RO-B 300/90° Pipe clamp: RO-RS100 RO-RS120 RO-RS150 RO-RS200 RO-RS250 RO-RS300 Wall bracket: RO-W100 RO-W120 RO-W150 RO-W200 RO-W250 RO-W300 Prices depend on length and design – starting from €9.00 Original photos & honest descriptions. Shipping upon agreement. Fair prices. ❓If you have any questions, please contact us – we will answer quickly and friendly!

Condition: good (used), functionality: fully functional, Mill with extraction system, sound-attenuating enclosure Power: 4 kW All functions tested and fully operational! Dodpfx Alsvzzx Eebokt

Condition: new, SCHUKO Vacomat 140/160 XPe clean air extraction system - Exhibition unit - Filter generation motorized, mobile, extraction side right or left, can be remounted ----- Technical data ----- Test mark: H3 / BGHM HO 193023, Dksdpfx Aleu R Szyebst Extraction nozzle Ø: 1 x 140 / 160 mm, Nominal volume flow: 1,447 m³/h, max. negative pressure: 2,200 Pa, Filter area: 9.5 m², Residual dust content: < 0.1 mg/m³, Number of bags: 1 piece, Motor: 2.2 kW, Dimensions (LxWxH): 1,665 x 900 x 1,980 mm, Weight: 306 kg, Dust class M: AWN 16 - new exhibition machine -

Condition: as good as new (ex-display), Year of construction: 2018, functionality: fully functional, measuring range X-axis: 1,200 mm, measuring range Y-axis: 2,000 mm, measuring range Z-axis: 1,000 mm, warranty duration: 12 months, total height: 3,650 mm, type of input current: AC, total width: 2,200 mm, total length: 3,350 mm, overall weight: 6,100 kg, input voltage: 230 V, table load: 2,500 kg, We are selling our test and demonstration machine from our Solution Center. Further machines are available. Please feel free to contact us. Mitutoyo | CRYSTA Apex 122010 Coordinate Measuring Machine Coordinate measuring machine equipped with the latest Renishaw 5-axis technology, year of manufacture 2018. Measuring range XYZ: 1200 x 2000 x 1000 mm Dimensions (XYZ): 2200 x 3350 x 3650 mm Max. workpiece weight: 2,500 kg Measurement uncertainty MPE (E0): 2.3 + 3.0 x L/1000 in µm Equipment: • Renishaw UCC S5 controller, SPA3 servo amplifier, MCU5-2 joystick, I++ server • Temperature compensation with workpiece sensor • Active damping • Renishaw REVO 5-axis measuring system for single-point and scanning, incl. RSP2, 1x RSH175, 2x RSH250, and RSP3-3 kit (3xSH) including all probe changers • Modus measurement software, latest version with STEP CAD import, including 1 year software maintenance • PC system with Windows 11, 2 x 27" TFT monitors NEW, including height-adjustable desk Dedpfx Aoyibp Uolbskt • Control cabinet with current safety technology • Base plate M6 (loading drawer optional - see pictures) Original price in 2018 plus VAT: €245,640.00 Machine sales and service only available within Germany! Optional service package available: Delivery to site (free to kerbside) | Commissioning | Inspection | Accuracy acceptance according to DIN ISO 10360 | Software training in Pliezhausen or Eitorf | Further options and accessories available upon request

Condition: good (used), Year of construction: 2009, Dust extraction fan, extraction, dust blower, extraction system, dust blower, dust extraction device, separator, welding fume filter, welding fume extraction, flue gas extraction fan, filter system Cartridge dust extraction system, cartridge filter unit, cartridge filter Dkjdpfx Alsyh Hp Rsbst -Filter system: with vibrator -Type: TMS 8/10 -Filter area: 8.5 m² -Vibration motor: Motor power 0.06 kW -Inlet connection: Ø 200 mm -Outlet connection: Ø 300 mm -Dimensions: 1070/680/H2530 mm -Weight: 243 kg

Condition: as good as new (ex-display), Year of construction: 2024, Machine dimensions: • (L x W x H) 9,350 mm x 2,800 mm x 2,300 mm, length including filter: 5,300 mm. Technical details: • Max. sheet size: 3,048 x 1,524 mm • Max. sheet weight: 200 kg/m² • Laser power (IPG): 6 kW • Z-axis travel: 125 mm • Max. synchronous speed (X-Y): 141 m/min • Max. acceleration (X-Y): 10 m/s² • Positioning accuracy: ±0.05 mm • Repeatability: ±0.05 mm Standard equipment: • Control system: Siemens Sinumerik 840 D • Laser head: Precitec light Cutter F 125 Focus • Sheet support detection and measuring system • Positioning laser diode • Automatic sheet changer • Automatic nozzle cleaner • Central lubrication unit • Chip collection tray • Software: Lantek or Metalix CAD/CAM software with auto-nesting • Remote control: remote maintenance Laser cutting options: • Pierceline (piercing settings) • Focusline • Plasmaline • Fastline Dsdpfx Asd N Rfdolbokt • Flyline Options include: • Tower with 10 pallet spaces • Automatic chip conveyor • Integrated camera (part tracking, micro-joints) • Air dryer • Automatic nozzle changer • Camera inside

Condition: good (used), Year of construction: 2010, functionality: fully functional, power: 90 kW (122.37 HP), volume flow: 39,150 m³/h, overall weight: 2,720 kg, nominal flow rate: 39,150 m³/h, negative pressure: 6,250 Pa, nominal power: 90 kW (122.37 HP), rotational speed (max.): 1,325 rpm, Various fans from Polytechnik are for sale: Dksdpfx Aou Udibelbet 1. A450-45.0-G5 20kW 2. A450-45.0-T1 20kW 3. A450-45.0-T2 20kW 4. A450-45.0-G7 22kW 5. A500-45.0-G3 24kW 6. A560-45.0-G2 30kW 7. A710-45.0-G4 60kW 8. A800-45.0-G6 80kW

Condition: used, Year of construction: 2016, operating hours: 16,859 h, type of input current: three-phase, suction capacity: 5,000 m³/h, filter area: 80 m², NOVUS AirTower Filter Ventilation Tower, 5,000 m³/h. Industrial filter ventilation for welding halls — designed for a variety of technological processes in production plants, primarily for metalworking. Top-mounted air intake and draft-free air discharge at floor level — directly to workstations. Layered filter ventilation principle; the unit does not require ductwork installation. Cartridge filter elements — self-cleaning via compressed air pulses during operation. Filter cleaning by differential pressure — no compressed air loss. Layered ventilation principle: contaminated air is drawn in from above, filtered, and then released at floor level as clean, breathable air without causing drafts, at a velocity below 1.2 m/s, precisely where workers breathe. Covers a broad 270-degree area. The tower operates on the layered ventilation principle, recommended by trade associations and considered the most effective form of air circulation. Year of manufacture: 2016 Dksdpeyq Nl Njfx Albet Operating hours: 16,859 h Specifications: - 3.9 kW EC fan - Capacity: 5,000 m³/h - Filter surface area: 80 m² - Filter cartridges: 4 pcs - Additional high-efficiency final filter (F9 filtration class) provides increased air cleaning performance and additional protection for the fan in case of main filter failure. - 100 l dust collection drawer - Very quiet operation: 75 dB(A) - Filtration efficiency: > 99.6% - Stock No.: 1109

Condition: used, Year of construction: 2023, functionality: fully functional, Complete extraction system for the production line for log cutting LSH 350/4500. Commissioned in 01/2023. The equipment has no manufacturer, it consists of individual components. Configured based on calculations, documentation available. Dkedpfx Aljxa Excsbot

Condition: good (used), Delta New Poluclean P30 dust extraction system Delta New Poluclean P30 Dust extraction system 400 V 5,5 kW 3500 m³/h 95 liters Djdpfsihfwpex Albjkt weight: 361 kg Dimensions: HxWxD = 300 x 100 x 97 cm More extraction units in other sizes - new and used - you will find in our store! International shipping costs on request!

Condition: good (used), Dust extraction fan, extraction, dust blower, extraction system, dust blower, dust extraction device, separator, welding smoke filter, welding smoke extraction, smoke gas extraction fan, filter system, Cartridge dust extraction system -Filter system: -Filter frame: 1400/1995/H2100 mm -Shaking motor: 0.25 kW -Funnel frame: 1400/1995/H2350 mm -Opening: Ø 500 mm / 500 x 220 mm Dodpfx Alew Hz T Sjbskt -Individual components: see photos -Weight: 220 kg / 521 kg

Condition: good (used), Code: 0306 Brand: VM Model: 2/18 Suction system with 18 sleeves and 2 collection bags for carpentry workshops, furniture factories, sawmills, woodworking shops and various Technical data: N° 18 filtering sleeves N° 2 collection bags Motor Hp 7,5 Djdpfeymfiiex Albekt Electrical panel Overall dimensions: mm 2800 x 1200 x 3200 h

Condition: new, Year of construction: 2025, functionality: fully functional, power: 11 kW (14.96 HP), input voltage: 400 V, type of input current: three-phase, volume flow: 9,000 m³/h, suction capacity: 9,000 m³/h, intake manifold diameter: 300 mm, filter area: 165 m², noise level: 70 dB, total height: 2,500 mm, total length: 1,980 mm, total width: 990 mm, overall weight: 450 kg, space requirement height: 2,500 mm, space requirement length: 2,000 mm, space requirement width: 1,000 mm, warranty duration: 12 months, Equipment: documentation/manual, 1. Product Description The Airtech extraction unit is a horizontally installable, integrated dust separation system (cartridge filter unit) equipped with multiple filter cartridges. It is designed for applications with small to medium volume flows and offers high particle separation efficiency. Main Features: - Multiple filter cartridges arranged horizontally provide a compact and maintenance-friendly design. - Particularly suitable for industrial applications where constant and reliable dust extraction is required. Your Benefits - High filtration efficiency & air quality: The multi-stage filtration effectively retains fine dust particles, contributing to cleaner air and extending the service life of your production equipment. - Compact design: The horizontal layout saves space and simplifies integration into existing systems. Djdpfx Ajxx Ia Hjlbekt - Low maintenance: Easy access to filter cartridges allows for efficient inspection, cleaning, or replacement. Powerful: The 11 kW blower ensures strong suction power and stable extraction performance even in challenging applications. Delivery ex works / ex stock Installation and commissioning (optional): available on request by our trained technical staff. Spare parts (filter cartridges) as well as maintenance contracts can be offered separately to maximize system uptime.

Condition: good (used), Year of construction: 2017, machine/vehicle number: 17002702, Offer 25276 Extraction Filter System / Stationary Filter Unit with Wet Separator Dodjx Upd Uepfx Albjkt Technical Data: - suitable for moist, sticky dusts, metallic grinding - with heavy spark generation - single and multi-station extraction - volumetric flow approx. 5,150 m³/h - water capacity 390 l - drive power 400 V / 7.5 kW - required space W 1250 x H 3650 x D 1100 mm - weight approx. 550 kg

Condition: as good as new (ex-display), Year of construction: 2025, One-sided automatic edge banding machine with pre-milling unit, direct glue application to straight workpieces (EVA-PUR Glue pot with run-out function/optional), HF-cut-off saw station with 2xMotors , HF-top and bottom milling unit, corner rounding unit, chain feed, double roller top pressure, extendable work piece support, signal lamp for work piece sequence and synchronisation of working units by encoder. For ABS, PVC, melamine and strong wood veneer roll material as well as fixed lengths from 0.4 – 3.0/6.0 mm and of 8 – 60 mm work piece thickness. Speed: 10,0 m/min.; 8,0 m/min. with corner rounding • 3 spaces for finishing units • 10“ Colour Touch screen →Automatic edge feeding for roller material over turntable D = 800 mm →Longer infeed lineal (650 mm) →Two reverse, operating-controlled pre-milling units with diamond charged helical joining millers provide a neat and tear-free premilling of the work pieces before the gluing of the edge material →Glue application directly to workpieces: Teflon-coated glue pot with a capacity of 1,5 kg, leak proof with glue supply from below (excess glue automatically flows back into the glue pot). Glue roller allows exact dosage of glue. Separate glue roller temperature adjustment. Electronic temperature control with automatic stand-by function (reduces probability that the glue burns if the machine is not used for a longer periods and is still turned on). Optional: EVA/PUR gluepot with run out / cleaning function for quick change of glue →Pneumatically operated cut-off knife from roll material up to 3mm edge thickness →Automatic feeding magazin (70mm magazin capacity) with spiked roller for solid wood →Pressure unit consisting of one driven pressure roller synchronized with glue spreading roller and two of smaller diameter, conical, one positive and one negative pressure roller with spring tension for a nearly invisible joint of the edge material with the work piece , adjustment of the pressure unit with digital readout. →High-frequency cut-off saw equipped with 2xHF motor 0.55 kW, 12,000 rpm, 2 saw blades and high-precision linear guides ensure a clean and precise saw cut, with extraction hood. →High-frequency top and buttom milling station, 2 powerful 0.55 kW high-frequency motors with HM-WPL special millers; suitable for radius, bevel and flush milling, horizontal and vertical scanning of the work piece; aggregate adjustment equipped with digital readouts for setting to various edge types; 2 extraction hoods for shavings with central extraction nozzle 2 x Ø 100 mm; height adjustment of the upper aggregate with the top roll pressure →Corner rounding unit : Automatic processing of corner edges up to 2 mm edge thickness. Equipped with one high frequency motor 0, 27 kW, selectable on operating panel. One side (front or back edge) or both side corner rounding unit. Dkodpjl Rix Nsfx Albst →Rotatable control panel with 10“ color touch screen controls glue temperature settings, automatic temperature reduction for stand-by function of the machine, switching on and off of aggregates and error diagnosis, incl. digital Meter counter Additional finish aggregates : →Radius scraper unit : With a slight draw cut eventual radius milling traces are removed to provide a perfect finish. The fine adjustment is made by digital readouts. →Glue scraper unit : Removes eventual glue rests with a slight draw cut from the glue joint of th

Condition: good (used), Year of construction: 2004, functionality: fully functional, power: 11 kW (14.96 HP), input voltage: 400 V, input frequency: 50 Hz, type of input current: three-phase, intake manifold diameter: 350 mm, year of last overhaul: 2020, Equipment: CE marking, documentation/manual, Schuko Intermediate Filter System “Eco Var 04” Professional dust extraction system Schuko Eco-Var 04 (year of manufacture 2004) – complete system including piping, control system, and emission permit. For sale is a powerful and fully functional industrial dust extraction system from the premium manufacturer Schuko, type Eco Var 04 (year of manufacture 2004). The system is ideally suited for woodworking companies for efficient extraction of chips and dust and is offered including an extensive pipe and control system infrastructure. Technical data & equipment Dkodpfjzddwgsx Albst • Manufacturer: Schuko • Model series: Eco Var 04 (intermediate filter system) • Year of manufacture: 2004 • Drive power: approx. 11 kW (powerful, efficient fan) • Discharge: Rotary valve airlock with 5 sealing lips (ensures safe, pressure-loss-free material discharge into containers, silos, or briquetting presses) Extensive accessories & infrastructure (included) • Pneumatic valves: approx. 20 units for automatic shut-off of individual machine connections. • Pipe & hose system: approx. 80 meters of robust extraction pipe including the corresponding flexible hoses. • Pneumatic infrastructure: compressed air connections including all associated pneumatic hoses for valve control. Product advantages & condition • Complete package: No tedious searching for individual parts – from the filter system to the piping and the complete control and pneumatic system, everything is available for workshop installation. • Robust industrial quality: The Eco-Var series from Schuko is known for its durability, high filter area, and reliability in daily workshop use. • Energy-efficient: Thanks to the approx. 20 pneumatic valves, the extraction performance is only provided where work is currently being carried out, which saves a lot of energy. Note for buyers: The system is in a well-maintained and fully functional condition, appropriate for its age. Inspection can be arranged.

Condition: good (used), Dust extraction fan, extraction, dust blower, extraction system, dust blower, dust extraction device, separator, welding smoke filter, welding smoke extraction, smoke gas extraction fan, filter system, Cartridge dust extraction system -Filter system: -Filter frame: 2190/1460/H2080 mm -Vibration motor: 0.25 kW -Funnel frame: 2235/1440/H2520 mm Dksdewrb I Hopfx Albjt -Opening: Ø 390 mm / 500 x 220 mm -Individual components: see photos -Weight: 200 kg / 590 kg

Condition: used, Year of construction: 2011, Mobile dust extraction system, Schuko connection, diameter 160 mm Dimensions L/W/H in mm: 2045x870x2125 Dodszmag Ispfx Albekt Power: 2.2 kW

Year of construction: 2010, condition: like new (used), functionality: fully functional, MFT 30/300S Set – Used Professional Equipment For sale, a professional set in excellent condition, ready for immediate use. The set includes: Dkodpozncrpofx Albet MFT 30/300S Big Bag FAS 300 with mobile suction unit This set provides a complete solution, ideal for professionals seeking high-performance, robust, and operational equipment for use in a workshop or on a construction site. Optional: Rapid Vario 70 Primus available as an additional unit for an extra €2,600. The equipment has been carefully maintained, offering excellent value for money compared to new equipment. Sale as a set is preferred.

Condition: excellent (used), Year of construction: 2015, Dust extractor for capturing, conveying, and sorting all types of wood dust and chips from their sources, as well as extracting and separating settled wood chips and dust.
1 x Modular vacuum filter 9/4-30, 3 units. Fans: 2 x US-FHN 15kW
Conveyor device: 1 x rotary airlock NZRS 2140x665 Total volumetric flow: 30,000 m3/h Dkjdey Edxuspfx Albot

Condition: ready for operation (used), functionality: fully functional, power: 6.5 kW (8.84 HP), SPÄNEX extraction unit with 5 chip bags, complete with extraction installation as shown in the photos, motor 6.5 kW, connection D=300 mm. Dksdpfx Aex Rbuwjlbot

Condition: used, This listing is for 1 of 4 Liferiver EX3600 Extraction System. Dksdpfxoxxyf Ij Albst The unit is in full working condition and is ready for immediate release. The Liferiver EX3600 is a cutting-edge, fully automated nucleic acid extraction system designed to enhance laboratory efficiency and convenience. Here’s a detailed overview of its standout features and applications: Key Features: - Versatile Sample Volume: The EX3600 can process a wide range of sample volumes, from 20 to 200 microliters, making it suitable for diverse applications and sample types. - High Throughput: Capable of handling up to 24 samples in a single run, the EX3600 significantly boosts productivity, particularly in high-demand research environments. - User-Friendly Interface: The integrated LCD screen provides clear, real-time monitoring of the extraction process, allowing users to easily track progress and make adjustments as needed. - UV Sterilization: Equipped with a UV lamp, the system ensures sterilization of the working area, which is crucial for preventing contamination and maintaining sample integrity. - Quick Processing Time: The entire nucleic acid extraction process takes approximately 20 minutes, enabling rapid turnaround for critical experiments, such as those in diagnostics or research settings. - Magnetic Bead Technology: Featuring a magnetic bar for efficient handling of magnetic beads, the EX3600 streamlines the extraction process, reducing manual intervention and minimizing errors. Applications: - Whole Blood and Plasma: Ideal for clinical applications, particularly in genetic testing or infectious disease diagnostics. - Serum Samples: Useful in biomarker discovery and research. - Cells: Supports cellular research and analysis. - Food Samples like Milk: Perfect for food safety testing and microbiological analysis. - Fecal Samples: Essential for studies in microbiome research or gastrointestinal health. - Specialized Use: - The EX3600 is particularly effective for extracting viral RNA, making it a valuable tool in the fight against infectious diseases, including COVID-19 detection. Trained laboratory personnel can prepare samples before utilizing the automated system, ensuring consistent and reliable results.