Used Measuring Amplifier for sale (6,534)

Year of construction: 1990, condition: used, x-travel 4070 mm y-travel 1185 mm z-travel 1985 mm total power requirement kW weight of the machine ca. 15 t dimensions of the machine ca. 6000 x 4500 x 4000 m Consisting of: Working Range: Measuring column, longitudinal movement, X Axis 4,070 mm Measuring slide, cross, as Y Axis (measuring head) 1,185 mm Measuring slide, vertical, as Z Axis (vertical) 1,985 mm Adjustment of measuring head, roll axis 360 ° pitch axis 220 ° Measuring table 5,000 x 2,000 mm Weight, approx. 15,000 kg Space required 6,000 x 4,500 x 4,000 mm Kdsdpfx Aot Hwt Esh Aop Accessories / Special Features : o 3D tracer head, with turning/swivelling device. o Universal 3D Measuring Software, KOROS CAD 5.2.0 from November 2001 (with lots of enhancements), as well as HOLOS UX for manual or automatic measuring of all geometric elements and free-form surfaces, ideally on passenger car bodies, engineering parts and large forming tools. o Separate switch cabinet (Master F1) with programming possibility and a mobile manual control console. o Steel clamping table, which can be levelled, 2,000 x 5,000 mm. o Machine was maintained annually by DEA Company, and the software was updated regularly. This unit is ideal for measuring complete car bodies. Condition : Very good. Machine is assembled and can be inspected under power. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract. Thank you for your interest. We have a selection of measuring machines on stock.

Year of construction: 1986, condition: used, x-travel 2400 mm y-travel 1600 mm Ksdpfxst Hwxno Ah Ajdp z-travel 1800 mm total power requirement kW weight of the machine ca. 3300 kg dimensions of the machine ca. m

Year of construction: 1998, condition: used, x-travel 0 mm y-travel 0 mm z-travel 0 mm total power requirement kW Kdedpfxst Hwx Uj Ah Aop weight of the machine ca. 3500 kg dimensions of the machine ca. m

Year of construction: 2000, condition: used, x-travel 1000 mm Kedet Hw Nyepfx Ah Ajdp y-travel 1600 mm z-travel 800 mm Control WENZEL WPC 2040/FW31.351 total power requirement kW weight of the machine ca. 5500 kg dimensions of the machine ca. m Coordinate measuring m/c, software QUARTIS R12/16, Renishaw PH10Mplus

Condition: used, Year of construction: 2000, table length 1160 mm Kdsdpfet Hw S Ijx Ah Aep table width 710 mm daylight 650 mm Control WENZEL ME 5007 total power requirement kW weight of the machine ca. 800 kg dimensions of the machine ca. m 3-D-coordinate measuring machine with METROLOG II-Software

Year of construction: 1995, condition: used, x-travel 9200 mm y-travel 1600 mm z-travel 2400 mm dia. of test piece mm Kdsdpjt Hwwkjfx Ah Aep working area mm dist. between centers mm control ZEISS C 99 total power requirement kW weight of the machine ca. 30 t dimensions of the machine ca. 10 x 3,6 m

Year of construction: 1995, condition: used, x-travel 5500 mm y-travel 2750 mm z-travel 1500 mm total power requirement kW weight of the machine ca. 20 t Kodpfst Hwp Hox Ah Ajdp dimensions of the machine ca. 8x4,5x4,2 m Measuring column, longitudinal movement, X Axis 5,500 mm Measuring slide, cross, as Y Axis (measuring head) 2,750 mm Measuring slide, vertical, as Z Axis (vertical) 1,000 mm Adjustment of measuring head, roll axis 360 ° Measuring table 5,000 x 2,500 x 350 mm Weight, approx. 20,000 kg Space required 8,000 x 4,500 x 4,200 mm Accessories / Special Features : o RENISHAW 3D probe head with rotating-tilting device, operating depending on orientation. o Universal 3D Measuring Software, CHOROS Version 5.2 with DEC Software, OPEN VMS Alpha ADL, Version 6.1 with various additional SEC Software, OVMS Base, NAS 150, Cluster, OPEN 3 D, Version 2.5, etc. for manual or automatic measuring of ruled geometry and freeform surfaces, ideally on auto bodies, machine tool parts and forming tools. o ALPHA Programming Station with hard drive, disk drive, printer and a mobile manual control panel. o Steel clamping table, which can be levelled, 2,500 x 5,000 mm. o Machine was maintained annually by DEA Company. Condition : Very good. Machine is on stock but not yet assembled. Stable, heavy duty design for high precision measurements. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract. Thank you for your interest. We have a selection of measuring machines on stock.

Year of construction: 1990, condition: used, x-travel 850 mm y-travel 1200 mm z-travel 600 mm total power requirement kW Kjdpfx Ahst Hwqko Asdp weight of the machine ca. t dimensions of the machine ca. m Universal 3D measuring center, double-column, modern software, many accessories

Condition: refurbished (used), Year of construction: 2025, operating hours: 12 h, functionality: fully functional, measuring range X-axis: 400 mm, measuring range Y-axis: 200 mm, measuring range Z-axis: 200 mm, workpiece weight (max.): 15 kg, warranty duration: 12 months, total height: 2,000 mm, type of input current: AC, total width: 1,000 mm, total length: 800 mm, overall weight: 800 kg, input voltage: 230 V, Equipment: documentation/manual, lighting, type plate available, Mahr Multiscope 400 Multisensor Measuring Device equipped with camera and Renishaw touch probe system Fully functional with factory acceptance before delivery! Comprehensive maintenance history Measuring range: 400x200x200 mm Maximum workpiece weight (glass plate): 15 kg Instrument weight: 800 kg Control cabinet weight: 90 kg External dimensions: 800x1000x2000 mm Maximum traverse speed: 150 mm/s Accuracy: U1=1.9 + L/200; U2=2.4 + L/150; U3=2.9 + L/100 (L = measurement length in mm) Factory-refurbished premium multisensor measuring center with warranty and guarantee, rebuilt 2025. Includes the latest software update for Windows 10 (Windows 11 upgrade and OptiCheck3D 2025 available as options), including free lifetime software hotline and user support. Kdsdpfx Aow Slafjh Ajp Optional: Delivery via factory service or forwarding agent, worldwide. Optional: On-site commissioning & calibration Optional: Training service Online and on-site demos available with customer parts, application consulting by accredited Profitech metrology laboratories during project planning. Available complete service: – Delivery, installation, commissioning, acceptance according to standards, certification, and comprehensive acceptance documentation. Individual training and education programs also bookable as online courses. Creation of your measuring programs for direct operation with the device is also possible. Rental, lease-purchase, or financing possible directly via Profitech without any financial institution. The measuring device can be individually configured to customer requirements (within the EU). Reference number: 01814-1-ms400 (Please always include this with inquiries)

Condition: as good as new (ex-display), Year of construction: 2023, functionality: fully functional, warranty duration: 6 months, Shining 3D FreeScan Combo – Metrology System / 3D Scanner We are offering a new Shining 3D FreeScan Combo unit manufactured in 2023. Kodpjzk E D Tsfx Ah Ajdp The device has only been demonstrated to customers on a few occasions. Aside from that, it is in like-new condition, fully functional, and ready for use. The scanner is covered by a 6-month seller's warranty. For any questions or additional information, please contact us via message or phone.

Condition: used, Original ZEISS CMM Probe Holders and Stylus Extensions Original ZEISS probe holders Stylus extensions Various star styli and straight styli As shown in the pictures Condition: Used Good working condition Carefully removed from a functioning ZEISS CMM Kodszg Eczspfx Ah Ajdp Ideal for ZEISS CMM users looking for original replacement or additional probing equipment.

Condition: ready for operation (used), type of input current: DC, input voltage: 24 V, Endress & Hauser Soliphant 2 FTM 30 - B2AA1 EX zone 10 FEM 32 Kdjdouy S Tnopfx Ah Asp Supply voltage: 10 ... 55 VDC Pmax.: 1.5 W PNP, I max.: 350 mA 3 units available Price is per unit.

Condition: used, Surface measuring instrument Mahr Perthometer S2 Used, as shown in the pictures From stock (may have storage marks) Please refer to the pictures for further technical information Scope of delivery as shown in the pictures Kdjdpjzkl Dyefx Ah Aep With invoice The invoice will be enclosed with the shipment. Payment method Bank transfer Self-collection Information about bank details, payment terms, etc. will be sent to you by email. W120

Condition: used, Surface measuring device, Mahr Perthometer S2 Used, as shown in the pictures. From stock (may have storage marks). For further technical information, please refer to the pictures. Scope of delivery as shown in the pictures. With invoice. Kjdezkk Dxopfx Ah Asdp The invoice will be enclosed with the shipment. Payment method: Bank transfer Self-collection Information about bank details, payment terms, etc. will be sent to you by email. W119

Condition: excellent (used), Year of construction: 2011, functionality: fully functional, measuring range X-axis: 500 mm, measuring range Y-axis: 500 mm, measuring range Z-axis: 500 mm, Equipment: type plate available, Duramax Shopfloor Year of manufacture: 2011 Last calibration: 2/2026 Kdsdpow N Nfgjfx Ah Ajp Measuring range: X = 500 mm, Y = 500 mm, Z = 500 mm Length measuring deviation E0 in µm, E0/E40 in µm, MPE according to ISO 10360-2:2009: 2.4 + L/300 at 18°C - 22°C C99 control with BP26_SE operating panel Basic equipment: Shopfloor base VAST XXT sensor Probe changing magazine Probe changing turret Calibration sphere Probe accessories HP Workstation Z4 WIN 11 and monitor Machine folder and documentation Additional accessories Software: Calypso Basic 2025 Further options available Available on short notice

Condition: excellent (used), Year of construction: 2007, functionality: fully functional, measuring range X-axis: 1,000 mm, measuring range Y-axis: 3,000 mm, measuring range Z-axis: 800 mm, Measuring range X-axis: 1,000 mm Y-axis: 2,000 mm Z-axis: 800 mm Granite guideways Air-bearing axes Measuring accuracy Length measurement deviation: approx. 1.3 µm plus L/400 depending on the design and calibration status Probing systems Renishaw probing heads are possible Touch trigger and scanning PH10, TP20, SP25, SP80, depending on the configuration Workpiece weight Permissible table load up to approx. 2,000 kg depending on the design Kdjdpfx Ahjy Ewgxe Asp Control CNC control with hand-held operator unit Software Metrosoft CM Version 3.112 WENZEL Quartis R16 Electrical supply 230 V, 50/60 Hz Power consumption: approx. 1 kVA Pneumatic supply Compressed air, 6 to 10 bar filtered and dry

Condition: excellent (used), Year of construction: 2001, functionality: fully functional, measuring range X-axis: 900 mm, measuring range Y-axis: 1,800 mm, measuring range Z-axis: 700 mm, Equipment: type plate available, Zeiss CNC coordinate measuring machine Prismo VAST GOLD Year of manufacture: 2001 Retrofit in 2024 and 2026, last calibration 11/2023 Measuring range: X = 900 mm, Y = 1800 mm, Z = 700 mm In excellent technical and optical condition. Device features, equipment: C99 control system with control panel Automatic temperature compensation VAST GOLD sensor Probe changer magazine, 17-position Probe changer, 20 positions Probe accessories Calibration sphere Reference probe HP Z4 workstation with WIN11 and monitor Kdsdpfx Ahozkhzho Aop Calypso Basic 2024 software QS-Stat option Calypso upgrade and other options available Further accessories and options possible Available on short notice

Condition: used, Shimadzu Type: AG-X plus 20kN-50kN +750mm Dimensions: W 1206 x D 765 x H 2920 mm Technical specifications: Fmax: 50 kN Speed: 0.00005~1500 mm/min Accuracy: ±0.1 % JIS B7742 Class 0.5, ASTM E2658 Class A Crosshead-table distance (mm)(tensile stroke)*3: 215 to 1940 (20 kN: 0 to 1535 mm, 50 kN: 0 to 1475 mm) Possible test width: 600 mm Frame stiffness: 180 kN/mm 710 kg 200 V 4.5kVA/15 A + Accessories as shown Condition: used Scope of delivery: (see picture) (Specifications and data subject to change and errors!) If you have further questions, we will be happy to answer them by phone. Kdedpfxezimkfo Ah Ajp

Year of construction: 2016, condition: ready for operation (used), - USED - 3D MEASURING MACHINE NOTE: PORTABLE 6-AXIS 3D MEASURING ARM, MAX DIAMETER 3000mm, WITH PIECE TOUCH DETECTOR, TRESTLE AND MAGNETIC BASE Kdedpfjzlu Taex Ah Ajp

Condition: excellent (used), Fries Research & Technology Device Designation: FRT MicroProf® MPR 1250 The FRT MicroProf® MPR 1250 is a high-precision surface metrology system from the MicroProf® series by Fries Research & Technology GmbH (FRT). These systems are designed for non-destructive and contactless analysis of surface parameters such as topography, roughness, layer thickness, and more. Features of the FRT MicroProf: Device Details: Model: FRT MicroProf® MPR 1250 Item Number: 200 00 Sensor Type: CWL 300 µm Serial Number: 0904001 Measurement Principle: Chromatic confocal point sensor Light Source: Halogen lamp, white light Vertical resolution: up to 3 nm Measurement accuracy (Z): 100 nm Lateral resolution (XY): 2.5 µm Measurement angle to surface: 90° ±30° Max. sample size: approx. 310 x 310 x 50 mm Technical Data (Excerpt): XY-Stage: Type: Compact XY-cross table Travel (measurement range): 200 x 200 mm Guidance: mechanical cross roller guide Drive: DC motor with ball screw Position feedback system: Heidenhain glass scale with reference mark System resolution: 0.2 µm Repeatability: < ±1 µm Orthogonality XY: < 4 µm / 200 mm Vertical runout (per axis): < 2 µm / 200 mm Z-Axis (motorized): Type: Linear axis Travel: 50 mm (optional 100 mm) Drive: Stepper motor with spindle drive Lateral runout: < 2 µm / 50 mm Manual Coarse Adjustment (optional): Type: Dovetail guide Adjustment range: up to 300 mm sample height Kdedpjzii Ruefx Ah Ajp Measurement: Minimum point spacing (XY): 0.6 µm Sample size: approx. 310 x 310 x 50 mm Max. sample weight: 5 kg (optional 10 kg) Measuring speed: 1 µm/s up to max. 100 mm/s System: Total weight: approx. 275 kg (measurement setup: 225 kg) Footprint (measurement setup): approx. 0.9 x 0.8 m Dimensions control unit (W x D x H): approx. 0.55 x 0.53 x 0.32 m Power supply (EU/US): 110–240 V, 50–60 Hz, 16 A Power consumption: approx. 300–400 W Operating Conditions: Temperature range: 22 °C ±5 °C Temperature stability: < 0.5 °C Weight approx. 500 kg Condition: The device is in very good technical and cosmetic condition. All axes move precisely and smoothly. Scope of Delivery: MicroProf® MPR200 00 XY measuring system Control unit Connection cables (Subject to technical modifications and errors. All information without obligation!) Inspection and onsite testing available by appointment. For further questions, feel free to contact us by phone.

Condition: used, For sale is a high-quality 3D CNC coordinate measuring machine from the renowned manufacturer Werth Messtechnik – model Scope-Check 650×750×500/MB/Z. This device stands out for its precision, reliability, and versatility in industrial metrology. Features & Equipment: - CNC-controlled 3D coordinate measuring machine - Multi-sensor capable (optical and tactile measurements possible) - Moving-bridge design (MB/Z) for high stability and flexibility - High precision measurement of complex workpieces - Robust construction, designed for continuous industrial use - Suitable for quality control, production monitoring, and R&D applications Additional Equipment – Renishaw TP200 Probe System: The high-precision, touch-trigger Renishaw TP200 probe is ideal for workpieces with tight tolerances and complex geometries. It allows for quick probe change-outs and precise measurements even with long probe styli. Key Features: - Strain gauge technology: Minimizes deflections are registered with high accuracy; typical errors such as “lobing” are avoided - High precision: Repeatability up to 0.4 μm, 2D probing uncertainty ±0.8 μm - Fast changeover: Automatic probe change with SCR200 rack, no recalibration required - Durability: Probe module lifetime exceeds 10 million triggerings - Flexibility: Standard- (SF) and low-force (LF) modules for sensitive materials - Compatibility: Usable with Renishaw PH10 probe heads and extensions up to 300 mm Technical Specifications (excerpt): - Connection: M8 connector, PI200 interface Kdedpfxozii Dze Ah Asp - Probing directions: 6-way (+X, -X, +Y, -Y, +Z, -Z) - Probing force XY: 0.02 N, Z: 0.07 N - Overtravel force XY: up to 0.4 N, Z: up to 4.9 N - Weight (sensor + module): 22 g - Stylus threads: M2 Technical Data: - Manufacturer: Werth Messtechnik - Model: Scope-Check 650×750×500/MB/Z - Measuring range: X = 650 mm, Y = 750 mm, Z = 500 mm - Supply voltage: 115–230 V AC - Power consumption: max. 10 A Scope of Supply: - Werth Scope-Check 650×750×500/MB/Z - Renishaw TP200 probe system including probe modules - Accessories as shown in the attached images Important note: "The table shown in the photos is not included in the sale." (Specifications and technical details subject to change and errors!) We are happy to answer further questions by phone.

Condition: excellent (used), Mitutoyo Model: QV-L404Z1L-D Item Description: For sale is a CNC vision measuring machine from the renowned manufacturer MITUTOYO. This is the Quick Vision Active 404 model. The device is ideal for precise optical measurements in production, quality assurance, and research. Technical Data: Brand / Type: Mitutoyo QV-L404Z1L-D (Quick Vision Active 404) Measuring range (X / Y / Z): 400 × 400 × 200 mm Camera: CMOS color camera Software: Mitutoyo QVPAK QVPAK (R) Version: 13.301.0075 Optics: Zoom lens, LED illumination system Worktable: High-precision glass stage Equipment: Control PC with QVPAK measuring software 2 × 22" TFT monitors Keyboard & mouse Control panel Swivel office chair for comfortable operation Scope of delivery: Mitutoyo Quick Vision Active 404 measuring device Control PC with QVPAK 2× TFT monitors (22") Keyboard, mouse Ksdpszii Dujfx Ah Aodp Control panel Swivel office chair Condition: used Scope of delivery: (see image) (Specifications and technical data are subject to change and errors reserved!) Further questions can gladly be answered by phone.

Condition: excellent (used), Year of construction: 2020, Keyence KEYENCE XM-2000 with XM-H1000 – 3D Coordinate Measuring System (CMM) Professional handheld measurement system for precise 3D measurements directly in production environments. Item description: For sale is a used KEYENCE XM-2000 coordinate measuring system including the XM-H1000 handheld probe. This innovative system enables precise 3D measurements directly at the workplace – without a dedicated measuring room, complex setup, or special CMM expertise. The device is ideally suited for manufacturing operations, quality assurance, initial sample inspection reports (ISIR/PPAP), in-process controls, as well as for reverse engineering. Technical Data – KEYENCE XM-C1000 / XM-H1000 (XM Series) Measuring System (General) Specification: Measurement range (XYZ): approx. 600 × 300 × 200 mm (depending on setup) Measurement accuracy: ±(8 + L/80) µm (L = measured length in mm) Repeatability: ±3 µm (typical) Resolution: 1 µm Measuring principle: Optical tracking with camera-based detection Calibration: User calibration with calibration sphere possible CAD Comparison: Directly on the device (STEP, IGES, etc.) Export formats: PDF, Excel, CSV, DXF Tolerance analysis: Automatic with color mapping XM-C1000 – Control and Evaluation Unit (Controller) Component: Display: 15” touchscreen Connections: USB, LAN, HDMI, power Storage options: Internal + USB export Software functions: Measurement, CAD comparison, report generation Operation: Touchscreen + pushbutton operation Languages: Multilingual (including German) XM-H1000 – Handheld Probe Specification: Probe type: Handheld with pressure button Feedback: LED status indicator, vibration signal Probe tip: Interchangeable, various tips available Tracking: Detected via controller’s camera system System Characteristics Specification: Operating temperature: 10 – 35 °C Power supply: 100–240 V AC, 50/60 Hz System dimensions (complete): approx. 800 × 600 × 800 mm (depending on setup) Total system weight: approx. 25–40 kg (depending on configuration) Mounting: On table or optional measuring table Kedpfjzii Dnex Ah Aodp Scope of delivery: KEYENCE XM-2000 control and evaluation unit KEYENCE XM-H1000 handheld probe XM-C1000 (Controller) Camera unit / tracking module Connection cables and power supplies Condition: Used, fully functional, in very good condition. Shipping & Delivery: Shipping via freight forwarding Collection by appointment possible. International shipping available on request. If you have any questions, need further information or wish to arrange a viewing appointment, please feel free to contact us. (Subject to changes and errors in the technical data and information!) We are also happy to answer any further questions by phone.

Condition: excellent (used), Zeiss Coordinate Measuring Machine Model: O-INSPECT 442 Machine Designation: Coordinate Measuring Machine Machine Type: O-INSPECT 442 The multisensor measuring machine O-INSPECT ZEISS enables optimal optical or contact measurement of all features. The CALYPSO software simultaneously displays the actual state, nominal profile, and deviations, making measurement results easy to identify and interpret. General Data: Dimensions: Width 1055 mm, Length 1351 mm, Height 1770 mm Measuring range: X 400 mm, Y 400 mm, Z 200 mm Weight: CMM 800 kg Workpiece, max. 20 kg CMM noise level < 70 dBA Electrical Data: Supply voltage: 100, 110, 120, 125, 230, 240 V~ (± 10 %) Current type: 1 / N / PE Frequency: 50 to 60 Hz (± 3.5 %) Power consumption: max. 1500 VA Fuses: At 230 V or 240 V: 16 A At 100 V or 125 V: 15 A Travel Speeds: Creep speed, SLOW function: 0 to 5 mm/s Setup mode: 0 to 70 mm/s Automatic measurement: Axis (X, Y) max. 200 mm/s Axis (Z) max. 50 mm/s Axis (3D) max. 287 mm/s Ambient Conditions: The following conditions must be met for proper operation of the measuring machine. Operating ambient temperature: +17°C to +35°C Relative humidity: 40% to 70% (non-condensing) Room temperature for measurement: 20°C ±1 K Altitude above sea level: 100–125 V: max. 3000 m 230–240 V: max. 2000 m Probe System: Probe System: CFS Probe Types Data: Probe Type: CFS 2 mm Measuring range: 2 mm, Working distance: 61 mm, Spot diameter: 12.5 µm Measurable surface angle to beam direction: 90 ± 15° Measuring range: 3 mm, Working distance: 22.5 mm, Spot diameter: 12 µm Measurable surface angle to beam direction: 90 ± 30° Measuring range: 10 mm, Working distance: 70 mm, Spot diameter: 24 µm Measurable surface angle to beam direction: 90 ± 20° The values for surface angles are limit values and depend on the reflectivity of the workpiece surface. Rotary Table: Mass and resolution Table weight: 7 kg Resolution: 0.15’’ Dynamics: Angular speed max: 50°/s Rotational speed: 8.3 min⁻¹ Scope of Delivery: Kjdpfx Ahjzii Dhs Aedp In the standard version, the O-INSPECT coordinate measuring machine is supplied with the following components: - Coordinate measuring machine (CMM) - Controller (integrated) - Control panel - PC with peripherals - Software - CALYPSO 5.2 - Documentation - Probe system - Reference stylus - Calibration artifact - Calibration template Scope of delivery: (Zeiss coordinate measuring machine as shown) Condition: used (Specifications subject to change and errors excepted!) Please inquire about transport options prior to purchase. If you have further questions, we are happy to assist you by phone.

Condition: used, Nirox Sensor Nirox multi-Thick-MS1-CH1 Nirox multi-Thick-MS1-CH1 – Sensor for Multi-Layer Thickness Measurement For sale is a high-quality optical sensor of the type Nirox multi-Thick-MS1-CH1, designed for precise, non-contact measurement of multi-layer materials such as plastic films, composites, or coated substrates. This sensor system is ideally suited for quality control in the plastics or packaging industries. Ksdpeziiw Uefx Ah Asdp Technical highlights: Model: multi-Thick-MS1-CH1 Manufacturer: Nirox s.r.l. (Italy) Function: Optical precision sensor for micrometer-accurate layer thickness measurement Measuring method: A-Scan / optical interference analysis Channel: 1 (CH1) Fields of application: Inline measurement in production lines or for laboratory use Typical materials: Multi-layer films, coated glass, technical laminates Condition: used Scope of delivery: (see image) Sensor multi-Thick-MS1-CH1 Connection cable (Subject to changes and errors in technical data. All information is provided without guarantee!) If you have any further questions, we are happy to assist you by phone.