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Surplus Laboratory Equipment & Primary Standards For Sale
Gently-used laboratory instruments for sale at a reasonable price

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Instron 4302 Universal Tester with Extensiometer,
Capillary Rheometer, and Accessories
  • Rheometer with temperature controller
  • Extensiometer with wooden case
  • Manual grips
  • Pneumatic grips and air lines
  • Printer / chart recorder
  • Computer and monitor
  • Software and manuals
  • Spare fittings and accessories
 Additional photos
of Instron 4302
and accessories

Hart Scientific Temperature Bath Model 7008
  • –5 °C to 110 °C  Range
  • Stability to ±0.0007 °C
  • Best digital temperature controller available
  • “Super Tweak” function provides set-point resolution to 0.00003 °C 
  • Excellent for maintaining fixed-point cells


Internal piston/cylinder parts still in mint condition

Ruska Model 2475 Helium Piston Gauge System

All components were well-maintained and are in superb like-new condition.

  • Instrument Base
    • Pressure range: 0 to 1035 bar
    • Includes three point levelling system with level vial
  • Piston/Cylinder Assembly
    • Pressure range: 12 to 1035 bar
    • Pressure accuracy: 0.0045% of reading
    • Material: piston and cylinder are cemented tungsten carbide
  • Mass Set
    • Total mass: 90 kg
    • Maximum platter mass: 5 kg
  • System Components
    • Instrument base
    • Piston/cylinder
    • Mass set
    • Hand pump with reference gauge
    • Connector block (to connect device under test)
    • Reference gauge
    • Pressure intensifier with control manifold
    • All required valves, fittings and tubing.
    • Hardwood table with locking storage and filing drawers
  • Table Dimension: 182 cm W x 76 cm D x 79 cm H
  • Pressure Media
    • Intensifier drive gas: air or nitrogen
    • Min/Max drive pressure: 100/117 bar
    • Test media: helium


    • Contact us     for more information

Measurements International 6010B
Automatic Resistance Bridge &
4220A Low Thermal Matrix Scanner

6010B Automatic Resistance Bridge Specs:

  • Range / Accuracy (95%)
    • 0.01 to 0.1 Ohm <0.5 ppm
    • 0.1 to 1.0 Ohm <0.1 ppm
    • 1.0 to 10K Ohm <0.1 ppm
    • 10K to 10K Ohm <0.2 ppm
  • Maximum Ratio 13:1
  • Resolution .001 ppm
  • Linearity 0.01 ppm
  • Test Currents 10uA to 150mA
  • Automatic DC Current Reversal = 4 to 1000 Seconds
  • Insulation Resistance >1011, typically 1012
  • Operating Environment: 18 to 34°C, 10 to 80% RH
  • Dimensions: 265 x 439 x 380 mm
  • Weight: 19 kg

  • Computer interface cards and related software
    are also available for sale if requested.

4220A Low Thermal Matrix Scanner Specs:

  • 10, 16 or 20 Four Terminal Channels
  • Sealed Relays with 4A Carrying Capacity
  • 4 Conductor Wire or Binding Post Inputs
  • Low Thermal Matrix Design
  • 1000V DC
  • Front Panel or IEEE488 Interface
  • Thermal EMF's < 50 nanovolts
  • Error Contribution < 20 nanovolts
  • Max Carrying/Switching Current 4/2 Amps
  • Maximum Working/Switching Voltage 1000/220 Volts
  • Contact Resistance <0.05 Ohms
  • Insulation Resistance >1012 Ohms

Contact us for more information

Fluke 5700A Multifunction Calibrator
  • DC voltage to 1100V
  • AC voltage to 1100V, from 10Hz to 1MHz
  • AC and DC current to 2.2A, with output available from 10Hz to 10kHz
  • Interface for the Fluke 5725A Amplifier
  • IEEE-488 (GPIB) interface
  • RS-232C serial data interface
  • 100, 110, 115, 120, 200, 220, 230, or 240 VAC ±10%; 47Hz to 63Hz operation

ESI SR104 10,000 Ohm Resistance Standard

  • Highest accuracy and stability less than 0.2ppm per year
  • Lowest temperature coefficients less than 0.1ppm per °C at 23°C
  • Initial accuracy: ±1ppm, / ±0.5ppm/year thereafter
  • Breakdown voltage: 500V peak to case

GenRad 1417 Four Terminal Capacitance Standard

  • The GenRad 1417 Four-Terminal Capacitance Standard consists of a 1 µF standard capacitor
    and two precise inductive voltage dividers used to scale the value of the 1 µF capacitor up to 1 F in decade steps
  • 0.25% direct-reading capacitance accuracy
  • 0.1% or better ratio accuracy
  • 7  Switch-Selected Standard Capacitance Values: 
    • 1 µF , 10 µF , 100 µF , 1 mF , 10 mF ,100 mF , 1 F
  • 3 Switch-Selected Test Frequencies: 
    • 100 Hz, 120 Hz, 1 kHz

Contact us for more information

T-Com 440B T-ACE Digital Communication Tester
  • A comprehensive test set, designed for DS3, DS1, & DS0
  • Handles applications as diverse as installing and maintaining T1 high capacity circuits, channel banks, M13 multiplexers, digital switches/PBXs, and DS0A/B Data services
  • Has dual DS1 receivers and transmitters, DS0 channel access testing [and speaker], including complete transmission measurement capabilities
  • Simultaneous 24 channel signaling display
  • Full Duplex drop-and-insert
  • Independent auto-frame
  • Auto pattern sync
  • Summary screen for automatic T1 or F-T1 error display and capture
  • Complete BERT test patterns
  • RS-232-C Printer/Modem Interface

GenRad 1490D Decade Inductor

  • An assembly of four 940 decade-inductor units in a single metal cabinet
  • The units have no electrical connection to the panel, but a separate ground terminal is provided,
    which can be connected to the adjacent low terminal, leading to the smallest decade
  • Set any value from 1mH to 1110mH in 1mH steps
  • Accuracy: 0.8% to 2% (depending on decade)
  • Total inductance of 11.11 H in 0.001 H steps
  • 3A max. capacity
  • Maximum voltage of 500 Vrms

Tektronix 2465A 350MHz 4CH Analog Oscilloscope

  • 4-channel portable analog oscilloscope
  • 350 Mhz bandwidth
  • 1 ns rise time
  • Auto-setup
  • Setup sequencing
  • On-screen trigger level readout
  • Save and recall settings
  • Four independent channels

Fluke 5450A Resistance Calibrator

  • Designed to verify the resistance-measuring accuracy of precision multimeters,
    either manually or as part of an automated calibration system
  • 17 standard resistor values in one enclosure
  • Decade values from 1.0 Ω to 100 MΩ
  • 1.9 multiples from 1.9 Ω to 19 MΩ
  • True passive resistors for low noise and offset
  • 4-wire or 2-wire operation
  • Automatic meter error calculation
  • IEEE-488 Interface

Telecommunication Techniques Corporation (TTC)
Model 30554 Interface Module T-BERD 209 T-Carrier Analyzer

  • Test and measurement solution for technicans who install, test, monitor, and maintain T1 links and equipment
  • T1 modes include:
    • Unframed, for compatibility with existing test equipment on circuits where framing is not required
    • Framed, for testing circuits which include multiplexers, digital access, crossconnect switches through which only framed data will pass - D4, ESF, and SLC-96 data formats
    • Test loopback and line loopback, which simulate a CSUs loopback features and are useful when installing or troubleshooting T1 spans

Fluke 8920A True RMS Voltmeter

  • True-rms ac with readout in volts or dB
  • AC or ac + dc measurements
  • Autoranging
  • Selectable dBm reference impedance
  • Analog display ro peak/null adjustments
  • Rear panel linear analog output
  • Relative dB measurements
  • 10 Hz to 20 MHz
  • 180 uV to 700 V

Fluke 931B RMS Differential Voltmeter
  • Designed for rapid measurements of ac waveforms regardless of their shape
  • Accuracies to ±0.05%
  • Five digit readout and automatic indicating decimal point.
  • Employs the principle of the differential thermocouple transfer standard to obtain its high degree of accuracy.
  • Unique solid-state circuitry to accomplish the transfer automatically and almost instantly as the voltage readout dials are adjusted to their proper setting
  • Voltage range 0.003 to 1100V 11 ranges
  • Frequency range: 2 Hz to 2 MHz

Contact us for more information

  

CDI 1001-O-ETT Torque Tester

  • Torque Range: 10 - 100 oz-in (7.0 - 70.6 N-cm)
  • 1/4" drive
  • Completely portable or can be mounted in almost any position
  • Powered by rechargeable NiCad batteries
  • Read-out head can be adjusted for easy viewing
  • Accuracy +/- 0.5%of indicated value (10 – 100% full range), +/- 1 increment or least significant digit
  • Four modes of operation – peak mode, power tool mode, first peak mode and track mode.  Not suitable for impact or pulse tools
  • Dual scale – English / Nm
  • Reads bi-directional (CW or CCW)

Fluke 8520A Digital Multimeter

  • Designed for system and bench applications
  • 5 1/2-digit resolution
  • Built-in system interface circuits
  • Choice of DC, true rms AC volts, 2 and 4-wire ohms and conductance
  • Conductance function provides a simple way to measure resistance from 10 Mohms to 100,000 Mohms
  • 520 readings per second
  • 20 ppm basic DC accuracy
  • IEEE-488 system interface

General Radio W10MT3W Variac Autotransformer

  • Rated current amperes 10.0
  • Max current amperes 13.0
  • KVA 1.56
  • Output voltage range to140V
  • Meter range 300W to 1500W
  • Meter voltage range to 150V
  • 2 or 3 wire cord and receptacle

HP 3490A Multimeter

  • Measures DC voltages (100 mV to 1000 V f.s.), AC voltages (100 mV to 1000 V f.s.)
  • Ranging is automatic over all ranges on all functions
  • AC voltage measurements can be made from the 1 V range provides 10 µV of AC voltage resolution
  • Resistance measurements can be made, utilizing the four-wire conversion technique

Wilcom Model T247 Calibration Checker
  • Sources test conditions for T136 circuit test sets
    • 23 mA loop current
    • 1 dB circuit loss condition
    • 30 dBRNC circuit noise
    • 90 dBRNC power influence
  • Frequencies: (325, 500, 1000, 3000, 4000) Hz
  • Allows reference signal strength to be adjusted +/- 10 dB
  

Sierra 415A-4 PCM Span Repeater Test Set
  • For use in maintenance of PCM carrier line facilities and repeaters
    • Span line fault locating
    • Performance testing
    • In-service error monitoring
    • Repeater pre-installation tests
  • Accommodates three separate line signals
    • T1 (1.544 Mb/s)
    • T148C (2.364 Mb/s)
    • T1C (3.152 Mb/s)

Contact us for more information

  
Home Careers News Surplus Equipment Packing List Terms / Warranty Emergency Service Contact Contact Us
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A2LA Accredited Calibration
In-Lab / On-Site
ISO/IEC 17025:2005
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ISO 9001:2008 Certified
• Calibration Management
• Repairable Asset Management
• Preventive Maintenance Management
Certificate 34299 		NCSL International
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National Conference of
Standards Laboratories International
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