Scientific

Scientific

Scientific research encompasses the systematic investigation and study of the natural world through observation, experimentation, and analysis. Scientists use the scientific method to formulate hypotheses, conduct experiments, and draw conclusions based on empirical evidence. This rigorous process aims to uncover new knowledge, solve problems, and expand our understanding of the universe. Scientific disciplines include biology, chemistry, physics, astronomy, and more, each with its unique methodologies and principles. By adhering to strict standards of objectivity, reproducibility, and peer review, the scientific community ensures the credibility and validity of its findings. In summary, scientific inquiry drives progress and innovation across various fields, shaping our modern world.

  • GNB Corporation G3PSO pneumatic vacuum gate valve – front view showing 3-inch opening, stainless steel body, and brass pneumatic actuator cylinder GNB G3PSO vacuum gate valve – top/side view showing stainless steel flange face with bolt pattern and brass actuator assembly

    GNB Corporation G3PSO Vacuum Gate Valve 3" Opening 7.5" Flange Pneumatic SS

    GNB

    $550.00
    Was: $1,100.00
    GNB Corporation G3PSO Vacuum Gate Valve 3" Opening 7.5" Flange Pneumatic SSThe GNB Corporation G3PSO is a stainless steel pneumatic gate valve designed for use in high-vacuum chamber systems. It features a 3-inch clear opening with a 7.5-inch bolt-circle...
    52177
    SKU:
    52177
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    37.00 LBS
    Brand:
    GNB Corporation
    Model:
    G3PSO
    MPN:
    G3PSO
    SKU:
    52177
    Type:
    Pneumatic Vacuum Gate Valve
    Body Material:
    Stainless Steel
    Actuator Type:
    Pneumatic
    Opening Diameter:
    3 in
    Flange Diameter:
    7.5 in
    Valve Style:
    Gate Valve
    Application:
    High Vacuum Chamber Systems
    Date of Manufacture:
    October 1980
    Country/Region of Manufacture:
    United States
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Pulled from a larger vacuum chamber system; valve body and actuator included
    Condition Notes:
    GNB G3PSO pneumatic vacuum gate valve inspected and in good condition. Removed from a larger vacuum chamber system. Stainless steel body clean; brass actuator shows surface oxidation typical of age. Please contact us with any questions.
    $550.00
    Was: $1,100.00
  • Key High Vacuum Products BL162 pneumatic brass valve – front-left view showing valve body, pneumatic actuator cylinder, and KF25 flanged ports Key High Vacuum Products BL162 pneumatic brass valve – rear-right view showing valve body label and second KF25 flange port

    Key High Vacuum Products BL162 Pneumatic Brass Valve 1-5/8 KF25 Flange

    Key High Vacuum Products

    $195.00
    Was: $400.00
    Key High Vacuum Products BL162 Pneumatic Brass Valve 1-5/8 KF25 FlangeThe Key High Vacuum Products BL162 is a pneumatically actuated right-angle isolation valve with a brass body and 1-5/8 in. KF25 (NW25) quick-flanged ports. It uses a pneumatic cylinder...
    52172
    SKU:
    52172
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    15.00 LBS
    Brand:
    Key High Vacuum Products
    Model:
    BL162
    MPN:
    BL-162
    Type:
    Pneumatic Vacuum Valve
    SKU:
    52172
    Actuator Type:
    Pneumatic
    Body Material:
    Brass
    Valve Configuration:
    Right Angle / L-Body
    Port Size:
    1-5/8 in. (NW25 / KF25)
    Flange Type:
    KF25 / NW25 Quick-Flange
    Overall Dimensions:
    12 x 6.5 x 2.5 in.
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Valve body and actuator included as shown; no additional accessories.
    Application:
    High Vacuum Systems, Vacuum Chamber Isolation
    Condition Notes:
    Key High Vacuum Products BL162 pneumatic brass valve. Inspected and in good used condition. Pulled from a working environment. KF25 flange faces appear clean. Light surface wear consistent with use.
    $195.00
    Was: $400.00
  • Tomy Seiko MTX-150 High Speed Refrigerated Micro Centrifuge front panel view showing dual digital displays, orange control knobs, and Induction Drive label Tomy Seiko MTX-150 Refrigerated Micro Centrifuge rear view showing ventilation grille, refrigeration compressor exhaust, lid latches, and attached power cord

    Tomy Seiko MTX-150 High Speed Refrigerated Micro Centrifuge TMA-11 Rotor 15000

    Tomy Seiko

    $400.00
    Was: $800.00
    Tomy Seiko MTX-150 High Speed Refrigerated Micro Centrifuge TMA-11 Rotor 15000 RPM Benchtop micro centrifuge designed for sample separation in molecular biology and biochemistry applications. Features refrigeration capability and maximum rotor speed of...
    52161
    SKU:
    52161
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    155.00 LBS
    Brand:
    Tomy Seiko
    Model:
    MTX-150
    MPN:
    MTX-150
    Type:
    High Speed Refrigerated Micro Centrifuge
    SKU:
    52161
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Includes TMA-11 rotor and power cord. Sold for parts — faulty temp meter.
    Country/Region of Manufacture:
    Japan
    Form Factor:
    Benchtop
    Power Requirements:
    120V AC, 50/60Hz, 15A, Single Phase
    Maximum Speed:
    15,000 RPM
    Rotor Model:
    TMA-11
    Rotor Diameter:
    6 inches
    Refrigeration Range:
    0°C to 40°C (nominal — temp control faulty)
    Drive Type:
    Induction Drive
    Application:
    Microtube centrifugation, molecular biology, biochemistry
    Compatible Rotor:
    TMA-11
    Voltage:
    120V AC
    Current Rating:
    15A
    Phase:
    Single Phase
    Frequency:
    50/60Hz
    Category (Mfr):
    High Speed Refrigerated Micro Centrifuge
    Speed (RPM):
    15,000 RPM max
    Condition Notes:
    This Tomy Seiko MTX-150 High Speed Refrigerated Micro Centrifuge is being sold as-is for parts or repair. The unit powers on and the displays illuminate. The rotor spins very smoothly under power.
    $400.00
    Was: $800.00
  • RFS CELLFLEX LCF158-50JA 1-5/8 EIA flange coaxial RF cable coiled, showing full 23-foot length with both end connectors visible RFS CELLFLEX LCF158-50JA EIA flange connector close-up showing inner conductor, PTFE dielectric, and stainless flange face

    RFS CELLFLEX LCF158-50JA 1-5/8" EIA Flange Coax RF Satcom Cable 23 ft

    RFS

    $850.00
    Was: $1,700.00
    RFS CELLFLEX LCF158-50JA 1-5/8" EIA Flange Coax RF Satcom Cable 23 ftThe RFS CELLFLEX LCF158-50JA is a 1-5/8" diameter 50-ohm flexible coaxial transmission cable designed for high-power RF applications in satellite communications and broadcast earth...
    52148
    SKU:
    52148
    Availability:
    Usually ships within 1-2 business days; please contact us first regarding freight arrangements due to the cable's size.
    Weight:
    151.00 LBS
    Brand:
    RFS (Radio Frequency Systems)
    Model:
    LCF158-50JA
    MPN:
    LCF158-50JA
    Product Line:
    CELLFLEX
    Type:
    Coaxial RF Transmission Cable
    SKU:
    52148
    Connector Type:
    1-5/8" EIA Flange
    Cable Diameter:
    1-5/8" (1.625")
    Cable Length:
    23 feet (approximately 7 meters)
    Application:
    Satcom / Earth Station RF Feed Line
    Impedance:
    50 Ohm
    Jacket Material:
    Black corrugated outer jacket (CELLFLEX flexible)
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Pulled from a working satcom earth station. Requires freight/unconventional shipping.
    Country/Region of Manufacture:
    Germany
    Compatible With:
    Satcom earth stations, high-power RF transmitter systems
    Condition Notes:
    RFS CELLFLEX LCF158-50JA RF coax cable pulled from a working satcom earth station. Both EIA flange connectors intact. Jacket shows normal wear. 23 ft length requires freight shipping — contact us before ordering.
    $850.00
    Was: $1,700.00
  • Finetech Fineplacer PCB rework station full system overview on workbench with Leica MZ6 microscope, PC, monitor, keyboard, controllers, and accessories Finetech Fineplacer system overview from left angle showing two-axis stage, Leica MZ6 microscope head, Sigma Koki SHOT-102 stage controller, and PC workstation

    Finetech Fineplacer PCB Rework Station Leica MZ6 Microscope SHOT-102 Stage

    Finetech

    $8,000.00
    Was: $16,000.00
    Finetech Fineplacer PCB Rework Station Leica MZ6 Microscope SHOT-102 Stage Benchtop PCB rework and die placement station combining Finetech Fineplacer control system with Leica MZ6 stereomicroscope and motorized stage. Used for microelectronics...
    52060
    SKU:
    52060
    Availability:
    Usually ships within 3-5 business days due to size and packaging requirements.
    Weight:
    145.00 LBS
    Brand:
    Finetech
    Model:
    Fineplacer
    Secondary Model:
    Leica MZ6
    MPN:
    Fineplacer Code 145/27
    SKU:
    52060
    Type:
    Manual PCB Rework & Die Placement Station
    Condition:
    As-Is / For Parts or Not Working
    Form Factor:
    Benchtop
    Power Requirements:
    230V, 100W (Fineplacer); TC-2000E up/down converter included
    Microscope Brand:
    Leica
    Microscope Model:
    MZ6
    Microscope Part Number:
    Leica 10445302
    Eyepieces:
    Leica 10445111 (2x, visible on units)
    Camera:
    Watec WAT-202B CCD Color Camera
    Stage Controller:
    Sigma Koki SHOT-102 Two-Axis Stepping Motor Drive
    Illumination:
    Finetech Euromex EK-1 Fiber Optic Light Source (x2)
    Up/Down Converter:
    TC-2000E, 110/220V, Max 2000W
    Placer Control Unit:
    Finetech Placer Control (front panel: illumination, vacuum, pipette mode)
    Joystick Controller:
    Saitek Action Pad
    Included Software:
    Finetech Software CD
    Included Computer:
    PC, Monitor, Keyboard (Windows XP, Fineplacer software installed)
    Main Unit Dimensions:
    20" x 26" x 20"
    Application / Use Case:
    PCB rework, die attach, flip-chip placement, microelectronics
    Country/Region of Manufacture:
    Germany
    Seller Notes:
    Sold as-is from closed electrical engineering lab; may not be complete. Review photo set for included items.
    Condition Notes:
    Finetech Fineplacer PCB Rework Station w/ Leica MZ6 Microscope, Sigma Koki SHOT-102 stage & accessories. Used, from closed lab. See photos for complete contents & cosmetic condition.
    $8,000.00
    Was: $16,000.00
  • Unholtz-Dickie T110 Electrodynamic Shaker and MA250-110 control cabinet – full system front view showing shaker on red pallet and upright blue control console Unholtz-Dickie T110 shaker and MA250-110 cabinet – rear view showing dual cooling fans on top of cabinet, rear ventilation panel, and power cable

    Unholtz-Dickie T110 Electrodynamic Shaker MA250-110 Power Amplifier OSP-4

    Unholtz Dickie

    $10,000.00
    Was: $20,000.00
    Unholtz-Dickie T110 Electrodynamic Shaker MA250-110 Power Amplifier OSP-4 110/208V Electrodynamic vibration testing system designed for environmental stress screening and MIL-STD compliance testing. Comprises shaker unit, control console,...
    52053
    SKU:
    52053
    Availability:
    Usually ships within 5-7 business days due to size and freight requirements. Contact us for shipping details.
    Weight:
    1,480.00 LBS
    Brand:
    Unholtz-Dickie
    Model:
    T110
    Secondary Model:
    MA250-110
    MPN:
    T110
    Type:
    Electrodynamic Vibration Shaker System
    SKU:
    52053
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Includes T110 shaker, MA250-110 control console, OSP-4 oscillator-servo-programmer, and TA250A/D19634D power amplifier. No manuals, software, or peripherals included.
    Country/Region of Manufacture:
    United States
    Form Factor:
    Floor Standing Cabinet + Separate Shaker Unit
    Power Requirements:
    110V 8A 1-Phase / 208V 26A 3-Phase, 60Hz
    Input Voltage 1:
    110V AC, 8 Amps, 1-Phase, 60Hz
    Input Voltage 2:
    208V AC, 26 Amps, 3-Phase, 60Hz
    Phase:
    Single Phase and Three Phase
    Frequency:
    60 Hz
    Included Components:
    T110 Shaker, MA250-110 Console, OSP-4, TA250A/D19634D Amplifier
    Oscillator/Controller Model:
    OSP-4 Oscillator-Servo-Programmer
    Power Amplifier Model:
    TA250A / D19634D
    Control Console Model:
    MA250-110
    Manufacture Date (Cabinet):
    August 1991
    Application:
    Vibration Testing, Environmental Stress Screening, MIL-STD
    T110 Shaker Dimensions:
    27.5" x 19" x 29" tall
    MA250-110 Cabinet Dimensions:
    33" x 24" x 75" tall
    Compatible With:
    Standard vibration test fixtures, MIL-STD-810 test setups
    Condition Notes:
    Unholtz-Dickie T110 Electrodynamic Shaker system. Cabinet powers on; full functional test was not performed. Sold as-is — no functionality guarantee. No manuals, software, or peripherals included. Please review photos and contact us with questions.
    $10,000.00
    Was: $20,000.00
  • Tegal PlasmaLine 200 Plasma Barrel Etcher front-right three-quarter view with Comdel CPS-200AX RF power supply mounted on top, dual cooling fans visible Tegal PlasmaLine 200 Plasma Barrel Etcher front view with gas flow meter on left side and Comdel CPS-200AX power supply on top

    Tegal PlasmaLine 200 Plasma Barrel Etcher w/ Comdel CPS-200AX RF Power Supply

    Tegal

    $3,500.00
    Was: $7,000.00
    Tegal PlasmaLine 200 Plasma Barrel Etcher w/ Comdel CPS-200AX RF Power SupplyBenchtop plasma barrel etcher with cylindrical quartz chamber designed for semiconductor processing applications. Unit includes Comdel CPS-200AX RF power supply; original Tegal...
    52023
    SKU:
    52023
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    100.00 LBS
    Brand:
    Tegal
    Model:
    PlasmaLine 200
    MPN:
    200
    Type:
    Plasma Barrel Etcher / Plasma Asher
    SKU:
    52023
    Included RF Power Supply Brand:
    Comdel
    Included RF Power Supply Model:
    CPS-200AX
    RF Power Supply Serial Number (Comdel):
    AX-86
    RF Power Supply Date of Manufacture:
    1/3/94
    Main Unit Serial Number:
    0238
    Main Unit Date of Manufacture:
    5/79
    Country/Region of Manufacture:
    United States
    Power Requirements (Comdel RF Supply):
    115V AC
    RF Section Configuration:
    OEM RF section disconnected; rewired for Comdel CPS-200AX RF supply
    Control Power Source:
    Original Tegal supply (control power only)
    Application:
    Plasma barrel etching, photoresist ashing, semiconductor processing
    Form Factor:
    Benchtop / Tabletop
    Chamber Type:
    Barrel/Tunnel — cylindrical quartz chamber with wafer rack
    Front Panel Controls:
    Power On, PWR Supply Enable, Power Adjust, Start/Stop, Tuning, Flow Adj
    Gas Flow Control:
    Flow meter / flow adjustment knob visible on front
    Meter:
    Analog FWD/REF/PRES/FLOW meter on front panel
    Rear Panel:
    DANGER HIGH VOLTAGE section, SENS MIN/MAX, PROC MONITOR, fuse holders, J2 connector
    FCC Certification:
    FCC Regulation 18 (ISM band)
    Seller Notes:
    Includes Comdel CPS-200AX RF power supply (interconnected). Tegal RF section disconnected; Tegal supply provides control power only.
    Condition Notes:
    This Tegal PlasmaLine 200 Plasma Barrel Etcher has been tested with the included Comdel CPS-200AX RF power supply and is working as intended. Note that the original RF section of the Tegal power supply has been disconnected and the system has been
    $3,500.00
    Was: $7,000.00
  • Alcatel 5402 CP Ceramic Turbomolecular High Vacuum Pump – front and side view showing Alcatel and Ceramic labels on housing Alcatel 5402 CP Turbomolecular Vacuum Pump – three-quarter rear view showing ribbed black housing, gold and red fittings, and ceramic mid-section

    Alcatel 5402 CP Ceramic Turbomolecular High Vacuum Pump Turbo Annecy France

    Alcatel

    $650.00
    Was: $1,300.00
    Alcatel 5402 CP Ceramic Turbomolecular High Vacuum PumpTurbomolecular vacuum pump with ceramic bearing technology, manufactured by Alcatel in Annecy, France. Designed for high vacuum applications requiring sustained low-pressure environments...
    52043
    SKU:
    52043
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    28.00 LBS
    Brand:
    Alcatel
    Model:
    5402 CP
    MPN:
    5402 CP
    Type:
    Ceramic Turbomolecular High Vacuum Pump
    SKU:
    52043
    Country/Region of Manufacture:
    France
    Pump Technology:
    Turbomolecular
    Bearing Type:
    Ceramic
    Application:
    High Vacuum, Semiconductor, Research, Coating
    Vacuum Type:
    High Vacuum (HV)
    Manufacturer Location:
    Annecy, France
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Pulled from a working laboratory environment. Sold as-is.
    Condition Notes:
    Alcatel 5402 CP Ceramic Turbomolecular Vacuum Pump pulled from a working lab. Used condition with normal wear. Not bench-tested at our facility. Sold as-found. Please view photos and contact us with questions.
    $650.00
    Was: $1,300.00