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.
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Ophir Optronics PD2-A Laser Power Monitor w/ Stancor AC Adapter Power Supply
Ophir Optronics
$490.00Was: $975.00Ophir Optronics PD2-A Laser Power Monitor w/ Stancor AC Adapter Power SupplyHandheld/benchtop laser power measurement instrument with LCD digital display and front-panel wavelength selection. Designed for direct measurement of laser power across multiple...51832- SKU:
- 51832
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 6.70 LBS
- Brand:
- Ophir Optronics
- Model:
- PD2-A
- MPN:
- PD2-A
- Type:
- Laser Power Monitor
- SKU:
- 51832
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes Stancor AC adapter power supply. Internal batteries dead.
- Country/Region of Manufacture:
- Israel
- Form Factor:
- Handheld / Benchtop
- Power Requirements:
- AC Adapter (included); internal NiCd batteries (non-functional)
- Input Connector:
- BNC
- Output Connector:
- 3.5mm REC (recorder output)
- Charger Input:
- 3.5mm jack (CHARGER port)
- Display Type:
- LCD digital readout
- Measurement Type:
- Laser Power
- Power Ranges:
- 2mW, 20mW, 200mW, 2W (selectable)
- Units:
- mW, W, µW (selectable UP/DOWN)
- Wavelength Selector:
- Yes — front-panel wavelength adjustment
- Application:
- Laser power measurement, optical lab, laser R&D
- Compatible With:
- Ophir photodetector heads (standard BNC interface)
- Condition Notes:
- Ophir PD2-A Laser Power Monitor powers on with included Stancor AC adapter. Internal rechargeable batteries are dead — AC power required. Front-panel controls and LCD display functional. Normal lab wear. Calibration label present on rear.
$490.00Was: $975.00 -
Melles Griot 25-LHP-991-249 Red HeNe Laser 632.8nm 10mW Class 3B Tube
Melles Griot
$225.00Was: $450.00Melles Griot 25-LHP-991-249 Red HeNe Laser 632.8nm 10mW Class 3B TubeThe Melles Griot 25-LHP-991-249 is a continuous-wave (CW) red Helium Neon gas laser tube delivering 10.0 mW of output power at the standard HeNe wavelength of 632.8 nm. It is a...51829- SKU:
- 51829
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 6.50 LBS
- Brand:
- Melles Griot
- Model:
- 25-LHP-991-249
- MPN:
- 25-LHP-991-249
- SKU:
- 51829
- Type:
- Helium Neon (HeNe) Gas Laser Tube
- Laser Class:
- Class 3B
- Output Wavelength:
- 632.8 nm
- Output Power:
- 10.0 mW
- Mode:
- CW (Continuous Wave)
- Beam Diameter:
- 0.65 mm
- Laser Head Length:
- 483.9 mm (19.05 in)
- Laser Head Diameter:
- 44.5 mm (1.75 in)
- Laser Medium:
- Helium Neon Gas
- Beam Color:
- Red
- Condition:
- Used – Inspected and Tested
- Seller Notes:
- Includes attached power cable with 2-pin connector
- Country/Region of Manufacture:
- United States
- Standards Compliance:
- DHHS/CDRH 21 CFR Sub-Chapter J; IEC 825-1:1993; CE
- Manufacture Date:
- November 2006
- Condition Notes:
- Melles Griot 25-LHP-991-249 Red HeNe Laser tested at our facility — powers on and produces a strong beam. Good working condition. Normal wear from prior lab use. Power cable included.
$225.00Was: $450.00 -
Varian 01-019314 HV Converter & Heater Supply Board Dash 00 Rev 12
Varian
$50.00Was: $100.00Varian 01-019314 HV Converter & Heater Supply Board Dash 00 Rev 12HV converter and heater supply PCB assembly for Varian semiconductor and vacuum process equipment. Board includes power transformer and filtering capacitors, connects via DB25 female...51818- SKU:
- 51818
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 2.00 LBS
- Brand:
- Varian
- Model:
- 01-019314
- MPN:
- 01-019314
- Secondary Model:
- 01-019314-00
- Type:
- HV Converter & Heater Supply PCB Assembly
- SKU:
- 51818
- Dash Number:
- Dash 00
- Revision:
- Rev 12
- Form Factor:
- Card / PCB Module with Aluminum Bracket
- Connector Type:
- DB25 Female (J3)
- Key Components:
- Sprague 10.0uF 10% 400 DC capacitors (x3), power transformer
- Application:
- Varian semiconductor / vacuum process equipment
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Board only with aluminum side bracket. Pulled from a working Varian system.
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Varian 01-019314 HV Converter & Heater Supply, Dash 00 Rev 12. Pulled from a working Varian system where it was in active use. Inspected and in good condition. PCB, capacitors, DB25 connector, and bracket all appear intact.
$50.00Was: $100.00 -
Aera PI-98 PI-980 Pressure Insensitive MFC Mass Flow Controller 100 SCCM N2
Hitachi Metals
$135.00Was: $275.00Aera PI-98 PI-980 Pressure Insensitive MFC Mass Flow Controller 100 SCCM N2Pressure insensitive thermal mass flow controller for nitrogen gas management. The PI-980 series uses NeuralStep technology to maintain accurate flow rates across varying...51811- SKU:
- 51811
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 2.65 LBS
- Brand:
- Aera (Hitachi Metals)
- Model:
- PI-98
- Secondary Model:
- PI-980 Series
- MPN:
- 0190-34212
- SKU:
- 51811
- Type:
- Pressure Insensitive Mass Flow Controller (MFC)
- Gas Type:
- N2 (Nitrogen)
- Full Scale Flow Range:
- 100 SCCM
- Semi Gas Code:
- 13
- Conversion Factor (CF):
- 1.000
- BIN Configuration:
- MULTI-04 (MGMR — Multi-Gas Multi-Range)
- Technology:
- NeuralStep Pressure Insensitive Thermal MFC
- Connector Type:
- M12 circular connector (top)
- Interface:
- Digital — Address/Data Rate rotary switches, NET/MOD/STATUS indicators
- Flow Direction:
- Labeled FLOW on body
- Application:
- Semiconductor etch, CVD, PVD, diffusion processes
- Form Factor:
- Inline / Panel Mount
- Country/Region of Manufacture:
- China
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Unit only — no cables or accessories included. Part 0190-34212.
- Condition Notes:
- Aera PI-98 PI-980 MFC (0190-34212), 100 SCCM N2. Inspected, good used condition. Pulled from a working semiconductor processing environment. Normal handling wear. M12 connector and manifold ports appear intact.
$135.00Was: $275.00 -
Pfeiffer TMH 261 PM P02 820 AA Turbo Pump TPS 200 DN 100 ISO-K 210 l/s
Pfeiffer
$1,500.00Was: $3,000.00Pfeiffer TMH 261 PM P02 820 AA Turbo Pump TPS 200 DN 100 ISO-K 210 l/s Turbomolecular pump with integrated TPS 200 controller for high-vacuum applications. Rated pumping speed of 210 l/s at DN 100 ISO-K inlet port. Specifications & What's...51805- SKU:
- 51805
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 18.00 LBS
- Brand:
- Pfeiffer Vacuum
- Model:
- TMH 261
- MPN:
- PM P02 820 AA
- Secondary Model:
- TPS 200
- Secondary MPN:
- PM 041 813-T
- Type:
- Turbomolecular Pump with Controller
- SKU:
- 51805
- Condition:
- As-Is / For Parts or Not Working
- Seller Notes:
- Includes TPS 200 power supply, air cooling unit PM Z01 252, and automatic venting valve PM Z01 135. Power cord cut.
- Country/Region of Manufacture:
- Germany
- Inlet Port Size:
- DN 100 ISO-K
- Flange Standard:
- ISO-K, 3P
- Pumping Speed (N2):
- 210 l/s
- Controller Model:
- TPS 200
- Controller Input Voltage:
- 90-265V AC, 50/60Hz, 230 VA
- Controller Output:
- 48V DC, 4.6A, 200W
- Air Cooling Unit:
- PM Z01 252, 24V
- Automatic Venting Valve:
- PM Z01 135
- Oil Reference:
- PM 063 265-T
- Pump Mass:
- 6.0 kg
- Controller Mass:
- 1.4 kg
- Form Factor:
- Benchtop / Stand-Alone
- Application:
- High Vacuum, Semiconductor, Research, Thin Film Deposition
- Condition Notes:
- Pfeiffer TMH 261 turbo pump with TPS 200 sold AS-IS for parts. Pulled from working system; impeller spins freely. Power cord cut — cannot fully test. Includes air cooling unit PM Z01 252 and venting valve PM Z01 135.
$1,500.00Was: $3,000.00 -
Advanced Energy Aera PI-980 MFC Mass Flow Controller 10000 SCCM N2
Advanced Energy
$85.00Was: $175.00Advanced Energy Aera PI-980 MFC Mass Flow Controller 10000 SCCM N2 FCPIDN980C-ABAPressure insensitive mass flow controller designed for semiconductor process gas flow regulation. This unit handles nitrogen at flow rates up to 10000 SCCM with DeviceNet...51795- SKU:
- 51795
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 6.00 LBS
- Brand:
- Advanced Energy
- Model:
- PI-980
- MPN:
- FCPIDN980C-ABA
- Secondary Model:
- Aera PI-980
- Type:
- Pressure Insensitive Mass Flow Controller (MFC)
- SKU:
- 51795
- Flow Range:
- 10000 SCCM
- Calibration Gas:
- N2 (Nitrogen)
- Communication Protocol:
- DeviceNet (DNET)
- Firmware Version:
- DNET FW 2.10
- Diaphragm Material:
- SPRON 510
- Seat Material:
- PCTFE
- BIN:
- MULTI-08
- OEM Customer:
- AMAT (Applied Materials)
- Inlet/Outlet Valve:
- Ham-Let HMC20-4VKC Metal Diaphragm Valve
- Valve Cv:
- 0.3
- Valve Body Material:
- SUS 316
- Valve Normally:
- Normally Closed
- Country/Region of Manufacture:
- China
- Manufacture Date:
- 2009-05-26
- Form Factor:
- Surface Mount / Stick Module
- Application:
- Semiconductor process gas flow control
- Compatible With:
- Applied Materials (AMAT) semiconductor process tools
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Includes MFC body with inlet/outlet Ham-Let metal diaphragm valves on manifold base
- Condition Notes:
- Advanced Energy Aera PI-980 MFC (FCPIDN980C-ABA) inspected and in good used condition. Pulled from a working semiconductor fab environment where it was in active use. Body, valves, and manifold intact with normal wear.
$85.00Was: $175.00 -
Balzers Pfeiffer DUO 016B Rotary Vane Vacuum Pump 0.55kW 208V 60Hz 3.5A
Pfeiffer
$349.00Was: $800.00Balzers Pfeiffer DUO 016B Rotary Vane Vacuum Pump 0.55kW 208V 60Hz 3.5A Two-stage rotary vane vacuum pump manufactured by Balzers Pfeiffer. Designed to generate and maintain vacuum in industrial and laboratory applications. Specifications & What's...51733- SKU:
- 51733
- Availability:
- Usually ships within 3-5 business days via freight carrier.
- Weight:
- 209.00 LBS
- Brand:
- Balzers Pfeiffer
- Model:
- DUO 016B
- MPN:
- PK D44 821
- SKU:
- 51733
- Type:
- Two-Stage Rotary Vane Vacuum Pump
- Condition:
- Used – Inspected and Tested
- Voltage Rating:
- 208V AC
- Current Rating:
- 3.5A
- Power Rating:
- 0.55 kW
- Phase:
- Single Phase
- Frequency:
- 60 Hz
- Pump Stages:
- Two-Stage (Duo)
- Pump Type:
- Rotary Vane
- Inlet Connection:
- KF / NW flange (stainless steel)
- Protection Class:
- IP 55
- Certifications:
- TÜV GS, BZ 43
- Country/Region of Manufacture:
- Germany
- Seller Notes:
- Pump only — metal frame not included. Ships freight.
- Compatible With:
- Vacuum systems, semiconductor, R&D, lab, PVD, CVD
- Form Factor:
- Benchtop / Floor-Standing
- Review Status:
- Auto-Approved (needs review) 2026-07-04
- Condition Notes:
- Balzers Pfeiffer DUO 016B rotary vane vacuum pump, tested and in working order. Pump only — metal frame not included. Normal cosmetic wear. Ships freight.
$349.00Was: $800.00 -
Accuprobe D2HB7B3 Dual D-Type Probe Card Probe BeCu Long Standard Tip 15 mil
Accuprobe Inc
$110.00Was: $225.00Accuprobe D2HB7B3 Dual D-Type Probe Card Probe BeCu Long Standard Tip 15 milThe Accuprobe D2HB7B3 is a Dual D-Type probe designed for use with probe cards in semiconductor wafer testing applications. It features a beryllium copper (BeCu) needle mounted...51721- SKU:
- 51721
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 0.60 LBS
- Brand:
- Accuprobe
- Model:
- D2HB7B3
- MPN:
- D2HB7B3
- Type:
- Dual D-Type Probe Card Probe
- SKU:
- 51721
- Blade Type:
- Standard (D-Type)
- Holder Length:
- Long – 1.720" (43.688 mm)
- Needle Material:
- Beryllium Copper (BeCu)
- Needle Diameter:
- 15 mils (0.381 mm)
- Tip Diameter:
- 0.005" (0.127 mm)
- Tip Drop (B):
- 0.015" (0.381 mm)
- Tip Depth (D):
- 0.324" (8.230 mm)
- Tip Extension L1:
- 0.350" (8.89 mm)
- Overall Length:
- 0.900" (22.86 mm)
- RoHS Compliance:
- Lead-Free / RoHS Compliant
- Compatible With:
- Probe Cards – D-Type Blade Configuration
- Application:
- Semiconductor Wafer Probing / IC Testing
- Condition:
- Used – Inspected and in Good Condition
- Seller Notes:
- Listing is for a single probe. Inspected and in good condition.
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Accuprobe D2HB7B3 Dual D-Type BeCu probe card probe. Inspected and in good condition. Normal handling wear. BeCu needle and gold blade holder intact. Original box included.
$110.00Was: $225.00