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.

  • Nikon DF/BF Microscope Filter Assembly – front angled view showing circular filter housing and black mounting bracket Nikon DF/BF Microscope Filter Assembly – rear angled view showing black anodized bracket and filter housing mounting holes

    Nikon DF/BF Microscope Filter Assembly ND32 Neutral Density Slider Darkfield

    Nikon

    $65.00
    Was: $125.00
    Nikon DF/BF Microscope Filter Assembly ND32 Neutral Density Slider DarkfieldThis is a Nikon darkfield/brightfield (DF/BF) filter assembly equipped with an ND32 neutral density slider filter. The assembly mounts into a compatible Nikon upright...
    47271
    SKU:
    47271
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Nikon
    Model:
    DF/BF Filter Assembly
    MPN:
    ND32
    Type:
    Microscope Filter Assembly with Neutral Density Slider
    SKU:
    47271
    Filter Type:
    Neutral Density (ND32)
    Illumination Mode:
    Darkfield (DF) and Brightfield (BF)
    Switching Mechanism:
    Push/Pull Slider — Push for BF, Pull for DF
    Compatible With:
    Nikon Upright Microscopes with Filter Turret
    Form Factor:
    Filter Cube / Slider Module
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Filter assembly only; no additional accessories included.
    Country/Region of Manufacture:
    Japan
    Condition Notes:
    Nikon DF/BF Microscope Filter Assembly w/ ND32 slider. Inspected and in good used condition; pulled from a working lab environment. Slider moves freely; filters appear clean and undamaged. Minor surface wear on housing.
    $65.00
    Was: $125.00
  • Precision microscope stand full right-side profile view showing 22-inch tall blue cast metal column and base Precision microscope stand left-side profile view showing chrome vertical rail and blue cast column with sliding carriage

    Precision Microscope Stand 22" Tall 1" Pole Fine 4mm Height Adjustment Lab

    Precision

    $95.00
    Was: $200.00
    Precision Microscope Stand 22" Tall 1" Pole Fine 4mm Height Adjustment LabThis is a heavy-duty freestanding microscope stand measuring 22 inches tall, built for precise positioning of a microscope or similar optical instrument. A knurled silver...
    47274
    SKU:
    47274
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    23.00 LBS
    Brand:
    Unbranded
    Model:
    Precision Microscope Stand
    Type:
    Microscope Stand
    SKU:
    47274
    Condition:
    Used – Inspected and Tested
    Height:
    22 inches
    Mounting Pole Diameter:
    1 inch
    Fine Adjustment Range:
    4mm
    Adjustment Type:
    Fine Height Adjustment with Knurled Knob
    Color:
    Blue
    Material:
    Cast Metal / Steel
    Form Factor:
    Benchtop / Freestanding
    Application:
    Microscope Mounting, Lab Instrument Support
    Seller Notes:
    Stand only; no microscope or accessories included. Adjusts properly.
    Condition Notes:
    Precision microscope stand inspected; fine 4mm height adjustment works properly. Cosmetic wear: paint chipping and rust spots on base, scuffs on column. Stand only — no microscope included. Please view photos and contact us with questions.
    $95.00
    Was: $200.00
  • Technics West PE-IIGM Mass Flow Module front panel with four LED displays, control switches labeled Purge, Argon, Silane, DEF, HX3, GFX, and High Heat warning label Technics West PE-IIGM IR Process Line Mass Flow Module front panel close-up showing LED readouts, rotary switches, and gas channel labels including Purge, Silane, DEF, Etch

    Technics West PE-IIGM Mass Flow Module IR Process Line 115V 60Hz For Parts

    Technics

    $200.00
    Was: $400.00
    Technics West PE-IIGM Mass Flow Module IR Process Line 115V 60Hz For PartsThe Technics West PE-IIGM is a mass flow module chassis from the company's IR Process Line series of semiconductor gas-delivery and control systems. This unit was manufactured by...
    47338
    SKU:
    47338
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    52.00 LBS
    Brand:
    Technics West
    Model:
    PE-IIGM
    MPN:
    PE-IIGM
    Type:
    Mass Flow Module Chassis Cabinet
    SKU:
    47338
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Sold AS-IS; includes internal wiring, relay modules, and control components
    Country/Region of Manufacture:
    United States
    Voltage Rating:
    115V
    Current Rating:
    1A (lamp)
    Frequency:
    60 Hz
    Application / Use Case:
    Semiconductor IR Process Line gas flow control
    Form Factor:
    Benchtop Cabinet
    Power Requirements:
    115V AC, 60Hz, 1A
    Compatible With:
    Technics West IR Process Line semiconductor systems
    Serial Number Range:
    30611 (see label)
    Manufacture Date:
    2-12-82
    Condition Notes:
    Technics West PE-IIGM Mass Flow Module sold AS-IS for parts or repair. Chassis retains internal wiring, relay modules, control modules, and transformer but is not a complete working system. Not tested, no functionality guaranteed.
    $200.00
    Was: $400.00
  • UTI 100C RF Generator Quadrupole Mass Spectrometer front-left view showing perforated black enclosure and multi-pin connector panel UTI 100C RF Generator Part No 5107 label showing Model 100C, Part No. 5107, Serial 03-1162, Patents 3,495,186 and 3,553,451

    UTI 100C RF Generator Quadrupole Mass Spectrometer Part No 5107 Benchtop

    UTI

    $300.00
    Was: $600.00
    UTI 100C RF Generator Quadrupole Mass Spectrometer Part No 5107 BenchtopRF generator unit for quadrupole mass spectrometry analysis. Designed to supply radiofrequency power to quadrupole mass analyzer systems for ionized particle separation and detection...
    47516
    SKU:
    47516
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    19.00 LBS
    Brand:
    UTI
    Model:
    100C
    MPN:
    5107
    Type:
    Quadrupole Mass Spectrometer RF Generator
    SKU:
    47516
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Sold as-is, untested. No accessories included.
    Country/Region of Manufacture:
    United States
    Form Factor:
    Benchtop
    Mass Range:
    1 to 300 m/z
    Application:
    Quadrupole Mass Spectrometry, TPRS, ESD
    Connector Type:
    Multi-pin D-sub, BNC (J3, J4)
    Patents:
    3,495,186 & 3,553,451
    Manufacturer Location:
    325 N. Mathilda, Sunnyvale, CA
    Condition Notes:
    UTI 100C RF Generator Part No. 5107 could not be powered on and is sold AS-IS for parts or repair. Untested, liquidation asset. Connectors appear intact. No accessories included. Contact us with questions.
    $300.00
    Was: $600.00
  • Laurier HA245 die loader pick and place unit – right-side view showing blue housing, linear slide assembly, and yellow wiring harness Laurier HA245 pick and place unit – rear view showing motherboard 690-2406 with connectors, ICs, and yellow wiring harness above

    Laurier HA245 Die Loader Pick & Place Semiconductor 690-2406 Baldor 90VDC Motor

    Laurier

    $200.00
    Was: $400.00
    Laurier HA245 Die Loader Pick & Place Semiconductor 690-2406 Baldor 90VDC MotorThis is a Laurier die loader pick and place unit, likely model HA245, used in semiconductor die handling and assembly operations. The unit is incomplete and is being sold...
    47935
    SKU:
    47935
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    65.00 LBS
    Brand:
    Laurier
    Model:
    HA245
    MPN:
    690-2406 Rev. B
    Type:
    Die Loader Pick & Place Unit
    SKU:
    47935
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Incomplete unit sold for parts value; includes Baldor motor and motherboard 690-2406 Rev. B
    Application:
    Semiconductor die handling / assembly
    Motor Brand:
    Baldor
    Motor Voltage:
    90 VDC
    Motor Current:
    1.3 A
    Motor Power:
    1/8 HP
    Motor Type:
    DCPM (DC Permanent Magnet)
    Motherboard Part Number:
    690-2406 Rev. B
    Country/Region of Manufacture:
    United States
    Condition Notes:
    Laurier HA245 Die Loader Pick & Place Unit sold AS-IS for parts only. Incomplete — not tested or guaranteed functional. Includes Baldor 90VDC DCPM motor and motherboard 690-2406 Rev. B. Please review photos and contact us with questions.
    $200.00
    Was: $400.00
  • G&H Technology BFT 1011 Fiber Optic Cleave Tool shown with black hard carry case and user manual on white background BFT 1011 Fiber Optic Cleave Tool seated in red foam insert inside open black hard-shell carry case with user manual in lid

    G&H Technology BFT 1011 Fiber Optic Cleave Tool Cleaver w/ Case & Manual

    G&H Technology

    $110.00
    Was: $225.00
    G&H Technology BFT 1011 Fiber Optic Cleave Tool Cleaver w/ Case & ManualThe G&H Technology BFT 1011 is a precision fiber optic cleave tool designed for scoring and cleaving optical fiber to produce clean, low-angle end-faces required for low-loss splices...
    48241
    SKU:
    48241
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    G&H Technology
    Model:
    BFT 1011
    MPN:
    BFT 1011
    Type:
    Fiber Optic Cleave Tool
    SKU:
    48241
    Condition:
    Used – Inspected
    Seller Notes:
    Includes original hard carry case with foam insert and user manual
    Country/Region of Manufacture:
    United States
    Form Factor:
    Handheld / Portable
    Patent Numbers:
    U.S. Pat. 4,530,452 & 4,627,561
    Application:
    Fiber Optic Cable Cleaving / Splicing Preparation
    Includes:
    Tool, hard carry case with red foam insert, user manual
    Compatible With:
    Single-mode and multimode optical fiber
    Case Type:
    Black hard-shell carry case with foam interior
    Manufacturer Address:
    G&H Technology Inc., 750 W Ventura Blvd, Camarillo CA 93010
    Condition Notes:
    G&H Technology BFT 1011 Fiber Optic Cleave Tool in good used condition. Shows normal handling wear. All mechanical parts appear intact. Includes original hard carry case with foam insert and user manual. Please contact us with any questions.
    $110.00
    Was: $225.00
  • Drytek 2800042 display board front view showing TIME, PROCESS, FORWARD, and REFLECTED 7-segment LED indicators on brown panel with harness wiring Drytek 2800042 display board rear PCB view showing card-edge connector, circuit traces, and red keyed ribbon connector with harness wires

    Drytek 100S Plasma Wafer Etcher Display Board 2800042 Assy 2800044 D-2800041

    Drytek

    $175.00
    Was: $350.00
    Drytek 100S Plasma Wafer Etcher Display Board 2800042 Assy 2800044 D-2800041This is an OEM display board (P/N 2800042) pulled directly from a Drytek 100S Plasma Wafer Etcher. The board serves as the operator-facing front panel display for the 100S...
    48426
    SKU:
    48426
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    1.00 LBS
    Brand:
    Drytek
    Model:
    2800042
    MPN:
    2800042
    Secondary Model:
    2800044
    Schematic Number:
    D-2800041
    Type:
    Display Board / Front Panel PCB
    SKU:
    48426
    Compatible With:
    Drytek 100S Plasma Wafer Etcher
    Application:
    Plasma Wafer Etching / Semiconductor Dry Etch
    Display Type:
    7-Segment LED (TIME, PROCESS, FORWARD, REFLECTED)
    Form Factor:
    Panel-Mount PCB Assembly
    Connector Type:
    Edge connector (card-edge) + red keyed ribbon connector
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Pulled from Drytek 100S Plasma Wafer Etcher; includes harness wiring
    Country/Region of Manufacture:
    United States
    Condition Notes:
    Drytek 2800042 Display Board pulled from a Drytek 100S Plasma Wafer Etcher. Appears in good used condition; no visible damage to panel, connectors, or wiring. Not bench-tested outside of the parent system. Please contact us with any questions.
    $175.00
    Was: $350.00
  • Aluminum clean room air duct housing 90x18.5x22.5 in with 6 in round duct collar — full assembled view from front-left angle on floor Clean room air duct housing shown upside-down, revealing hollow interior channel and central duct opening cutout in sheet metal base

    Clean Room Air Duct Housing Aluminum 90x18.5x22.5 in 6in Round Duct Opening

    Aluminum

    $250.00
    Was: $500.00
    Clean Room Air Duct Housing Aluminum 90x18.5x22.5 in 6in Round Duct OpeningSheet metal air duct housing assembly for clean room HVAC systems. Constructed from aluminum and galvanized sheet metal with riveted panels and a flat mounting flange base...
    48433
    SKU:
    48433
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    27.00 LBS
    Brand:
    Unbranded
    Model:
    Clean Room Air Duct Housing
    Type:
    Clean Room Air Duct Housing
    SKU:
    48433
    Condition:
    Used – Inspected
    Material:
    Aluminum / Galvanized Sheet Metal
    Overall Length:
    90 in
    Overall Width:
    18.5 in
    Overall Height:
    22.5 in
    Overall Dimensions:
    90 L x 18.5 W x 22.5 H in
    Duct Opening Diameter:
    6 in (round)
    Duct Collar Type:
    Round, top-mounted, tapering transition collar
    Construction:
    Riveted sheet metal panels, flat mounting flange base
    Application:
    Clean Room HVAC / Air Distribution
    Seller Notes:
    Inspected and in good used condition; no accessories included.
    Condition Notes:
    Aluminum clean room air duct housing, 90x18.5x22.5 in, inspected and in good used condition. Panels intact, minor scuffing and light oxidation from prior use. Riveted seams secure. 6 in duct collar present. No accessories included.
    $250.00
    Was: $500.00