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    • Stanford Research Systems SR530 Lock-In Amplifier w/ GPIB and Oscillator Options - Image 1 of 4
    • Stanford Research Systems SR530 Lock-In Amplifier w/ GPIB and Oscillator Options - Image 2 of 4
    • Stanford Research Systems SR530 Lock-In Amplifier w/ GPIB and Oscillator Options - Image 3 of 4
    • Stanford Research Systems SR530 Lock-In Amplifier w/ GPIB and Oscillator Options - Image 4 of 4

    Stanford Research Systems SR530 Lock-In Amplifier w/ GPIB and Oscillator Options

    Parts Only
    C $660.63
    or Best Offer
    Only 1 left!
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  • Princeton Applied Research PAR 120 LOCK IN AMPLIFIER - Image 1 of 1

    Princeton Applied Research PAR 120 LOCK IN AMPLIFIER

    Pre-Owned
    C $551.43
    C $121.63 shipping
    33 watching
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    • ** Make OFFER** EG&G/PAR 5210 Two Phase Lock In Amplifier - Image 1 of 4
    • ** Make OFFER** EG&G/PAR 5210 Two Phase Lock In Amplifier - Image 2 of 4
    • ** Make OFFER** EG&G/PAR 5210 Two Phase Lock In Amplifier - Image 3 of 4
    • ** Make OFFER** EG&G/PAR 5210 Two Phase Lock In Amplifier - Image 4 of 4

    ** Make OFFER** EG&G/PAR 5210 Two Phase Lock In Amplifier

    Pre-Owned
    C $1,757.72
    or Best Offer
    Ѕ⁣N⁣p⁣V⁣ ⁣C⁣o⁣Z⁣n⁣ ⁣5⁣1⁣s⁣ ⁣o⁣r⁣e⁣d⁣⁣T⁣⁣B⁣⁣⁣ ⁣⁣⁣A⁣
    • SRS Stanford Research SR510 Single Phase Lock-In Amplifier - Image 1 of 2
    • SRS Stanford Research SR510 Single Phase Lock-In Amplifier - Image 2 of 2

    SRS Stanford Research SR510 Single Phase Lock-In Amplifier

    Parts Only
    C $275.71
    C $126.46 shipping
    9⁣S⁣p⁣o⁣n⁣0⁣ ⁣ѕ⁣o⁣r⁣e⁣I⁣d⁣⁣⁣J⁣⁣ ⁣T⁣G⁣ ⁣⁣H⁣⁣⁣⁣⁣⁣
  • Ithaco Dynatrac 391 A Lock-in Amplifier Untested Needs Fuse - Image 1 of 4

    New ListingIthaco Dynatrac 391 A Lock-in Amplifier Untested Needs Fuse

    Parts Only
    C $206.78
    or Best Offer
    F⁣⁣⁣⁣K⁣⁣ ⁣M⁣⁣⁣4⁣ ⁣⁣T⁣⁣⁣J⁣⁣⁣⁣⁣⁣ ⁣U⁣5⁣⁣⁣ ⁣
  • Lock-in Amplifier LIA AD630 Module Minimum System Phase Sensitive Detection - Image 1 of 4

    Lock-in Amplifier LIA AD630 Module Minimum System Phase Sensitive Detection

    Brand New
    C $78.57
    Free shipping
    ⁣⁣⁣⁣K⁣⁣⁣⁣⁣L⁣ ⁣⁣⁣⁣⁣E⁣⁣D⁣⁣⁣⁣ ⁣⁣⁣⁣⁣⁣⁣
  • EG&G PARC 124A Lock-In Amplifier 2Hz–210kHz – Powers On, Untested, As-Is - Image 1 of 4

    EG&G PARC 124A Lock-In Amplifier 2Hz–210kHz – Powers On, Untested, As-Is

    Parts Only
    C $527.31
    Was: C $620.37was - C $620.37
    or Best Offer
    C $165.43 shipping
    ⁣X⁣L⁣⁣ ⁣L⁣S⁣⁣ ⁣⁣1⁣⁣⁣U⁣⁣⁣ ⁣U⁣⁣⁣⁣⁣⁣F⁣ ⁣⁣⁣Q⁣
  • Stanford Research SRS Lock-in-Amplifier Repair Service: Sr810 Sr830 Sr850 READ! - Image 1 of 4

    Stanford Research SRS Lock-in-Amplifier Repair Service: Sr810 Sr830 Sr850 READ!

    Parts Only · Stanford Research Systems
    (2)
    C $274.34
    C $68.93 shipping
    ⁣⁣⁣T⁣⁣⁣E⁣⁣ ⁣K⁣⁣U⁣⁣⁣ ⁣⁣⁣⁣T⁣E⁣⁣ ⁣⁣L⁣⁣⁣N⁣ ⁣
  • Plug-In Module Lock-In Amplifier/Dither Generator Backplane Gain Phase Adjust - Image 1 of 4

    Plug-In Module Lock-In Amplifier/Dither Generator Backplane Gain Phase Adjust

    Pre-Owned · Unbranded
    C $274.23
    or Best Offer
    C $28.47 shipping
    X⁣⁣X⁣ ⁣H⁣⁣U⁣⁣ ⁣0⁣Q⁣ ⁣⁣R⁣Y⁣ ⁣I⁣⁣B⁣⁣ ⁣⁣⁣⁣⁣⁣⁣⁣
  • EG&G Princeton Applied Research 128A Lock-in Amplifier 0.5 Hz - 100 kHz - Image 1 of 4

    EG&G Princeton Applied Research 128A Lock-in Amplifier 0.5 Hz - 100 kHz

    Pre-Owned · EG&G
    C $572.12
    or Best Offer
    ⁣W⁣⁣⁣B⁣ ⁣S⁣⁣5⁣ ⁣R⁣Z⁣ ⁣⁣I⁣⁣⁣5⁣⁣⁣ ⁣F⁣⁣⁣D⁣ ⁣L⁣⁣
  • Stanford Research Systems SRS530 Lock-In Amplifier - TESTED - FREE SHIPPING - Image 1 of 4

    Stanford Research Systems SRS530 Lock-In Amplifier - TESTED - FREE SHIPPING

    Parts Only
    (1)
    C $687.92
    or Best Offer
    Q⁣G⁣⁣ ⁣S⁣⁣L⁣⁣ ⁣⁣⁣⁣⁣O⁣Z⁣⁣ ⁣P⁣⁣⁣⁣⁣J⁣ ⁣T⁣R⁣ ⁣P⁣
  • EG&G PARC 128A Lock-In amplifier - Image 1 of 4

    EG&G PARC 128A Lock-In amplifier

    Pre-Owned
    C $365.33
    or Best Offer
    ⁣⁣⁣S⁣⁣⁣A⁣⁣ ⁣Q⁣I⁣ ⁣2⁣⁣⁣⁣⁣M⁣⁣⁣ ⁣⁣4⁣H⁣⁣⁣⁣ ⁣
  • Palo Alto Research 200 Two Phase Lock-in Amplifier TESTED! Programmable - Image 1 of 4

    Palo Alto Research 200 Two Phase Lock-in Amplifier TESTED! Programmable

    Pre-Owned
    C $1,371.71
    C $182.20 shipping
    ⁣T⁣Q⁣ ⁣U⁣1⁣⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣K⁣⁣K⁣ ⁣⁣5⁣3⁣ ⁣⁣E⁣⁣7⁣
  • 1PCS Lock-in amplifier EGG MODEL 124A, 2HZ-210KHZ Single channel amplifier#LL - Image 1 of 4

    1PCS Lock-in amplifier EGG MODEL 124A, 2HZ-210KHZ Single channel amplifier#LL

    Pre-Owned
    C $1,509.57
    or Best Offer
    C $275.72 shipping
    V⁣S⁣Y⁣ ⁣4⁣p⁣G⁣ ⁣o⁣n⁣s⁣о⁣r⁣4⁣2⁣ ⁣T⁣e⁣d⁣⁣⁣E⁣ ⁣⁣⁣⁣G⁣3⁣
  • EG&G Princeton Applied Research Lock-In Amplifier 5301, Two Channel EG & G - Image 1 of 4

    EG&G Princeton Applied Research Lock-In Amplifier 5301, Two Channel EG & G

    Pre-Owned · EG&G
    C $2,619.33
    or Best Offer
    C $136.45 shipping
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  • EG&G / PAR 5301A Lock-in Amplifier. 2 Hz to 210 KHz (KFR14) - Image 1 of 4

    EG&G / PAR 5301A Lock-in Amplifier. 2 Hz to 210 KHz (KFR14)

    Pre-Owned · EG&G
    C $775.46
    Was: C $1,033.95was - C $1,033.95
    or Best Offer
    C $311.29 shipping
    S⁣L⁣p⁣P⁣ ⁣o⁣A⁣n⁣4⁣ ⁣N⁣V⁣ ⁣s⁣A⁣A⁣ ⁣W⁣о⁣U⁣r⁣ ⁣e⁣d⁣R⁣⁣ ⁣⁣
  • Femto Lock-In-Amplifier #W2683 - Image 1 of 4

    Femto Lock-In-Amplifier #W2683

    Pre-Owned
    C $1,054.63
    Was: C $1,171.81was - C $1,171.81
    or Best Offer
    C $91.26 shipping
    7⁣⁣7⁣ ⁣⁣⁣U⁣X⁣ ⁣⁣9⁣⁣5⁣⁣ ⁣⁣⁣⁣7⁣W⁣⁣ ⁣⁣⁣N⁣A⁣ ⁣⁣
  • EG&G Princeton Applied Research 5210 Lock-In Amplifier - Image 1 of 4

    EG&G Princeton Applied Research 5210 Lock-In Amplifier

    Pre-Owned · EG&G
    (1)
    C $689.29
    or Best Offer
    W⁣6⁣ ⁣⁣0⁣3⁣⁣⁣ ⁣⁣T⁣⁣N⁣ ⁣D⁣⁣W⁣ ⁣F⁣⁣⁣⁣⁣R⁣ ⁣K⁣⁣⁣
  • Lock-in Amplifier LIA AD630 Module Minimum System Phase Sensitive Detection - Image 1 of 4

    Lock-in Amplifier LIA AD630 Module Minimum System Phase Sensitive Detection

    Brand New · Unbranded
    C $81.93
    Was: C $86.25was - C $86.25
    C $9.64 shipping
    ⁣⁣X⁣G⁣⁣ ⁣M⁣P⁣ ⁣5⁣N⁣ ⁣C⁣⁣⁣Q⁣⁣⁣ ⁣⁣⁣⁣⁣I⁣⁣⁣3⁣⁣
  • ThorLabs LIA-100 Lock-In Amplifier - Image 1 of 4

    ThorLabs LIA-100 Lock-In Amplifier

    Pre-Owned · Thorlabs
    C $1,171.81
    or Best Offer
    O⁣⁣⁣Y⁣ ⁣Q⁣⁣H⁣ ⁣⁣⁣R⁣⁣D⁣⁣ ⁣L⁣⁣D⁣ ⁣2⁣K⁣⁣ ⁣R⁣⁣ ⁣⁣
  • Lock-in Amplifier Phase Sensitive Detection Weak Signal Balanced Modulation - Image 1 of 3

    Lock-in Amplifier Phase Sensitive Detection Weak Signal Balanced Modulation

    Brand New · Unbranded
    C $76.39
    Was: C $80.41was - C $80.41
    C $11.03 shipping
    B⁣O⁣ ⁣⁣⁣E⁣⁣4⁣⁣⁣⁣ ⁣C⁣V⁣ ⁣P⁣D⁣ ⁣F⁣G⁣⁣⁣ ⁣B⁣⁣ ⁣⁣⁣
  • Hinds Instruments 2-Signaloc? 2100 Lock-In Amplifier? taking from exicor unit - Image 1 of 4

    Hinds Instruments 2-Signaloc? 2100 Lock-In Amplifier? taking from exicor unit

    Pre-Owned
    C $687.92
    or Best Offer
    C $67.55 shipping
    ⁣6⁣⁣T⁣ ⁣9⁣N⁣ ⁣⁣G⁣Q⁣ ⁣D⁣T⁣ ⁣7⁣⁣J⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣⁣
  • LI5650 [Operation Tested] Digital Lock-In Amplifier NF corp - Image 1 of 4

    LI5650 [Operation Tested] Digital Lock-In Amplifier NF corp

    Pre-Owned
    C $8,436.27
    or Best Offer
    C $482.51 shipping
    ⁣H⁣⁣⁣A⁣⁣ ⁣Q⁣B⁣⁣⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣O⁣⁣E⁣⁣⁣ ⁣⁣R⁣
  • Stanford Research SR810 lock-in amplifier - Image 1 of 3

    Stanford Research SR810 lock-in amplifier

    Pre-Owned
    C $3,308.64
    or Best Offer
    C $214.00 shipping
    Z⁣⁣1⁣ ⁣⁣Z⁣P⁣⁣⁣⁣⁣⁣⁣ ⁣G⁣⁣⁣M⁣⁣⁣⁣ ⁣N⁣⁣M⁣ ⁣P⁣G⁣
  • Princeton Applied Research PAR 5203 Lock-In Amplifier Option 99-98 Signal Ref - Image 1 of 4

    Princeton Applied Research PAR 5203 Lock-In Amplifier Option 99-98 Signal Ref

    Pre-Owned
    C $646.56
    or Best Offer
    C $91.08 shipping
    M⁣⁣4⁣ ⁣6⁣⁣⁣2⁣⁣⁣⁣⁣ ⁣⁣5⁣P⁣⁣⁣⁣ ⁣T⁣⁣⁣⁣F⁣ ⁣⁣⁣
  • Saluki SE2031 Digital Lock-In Amplifier 1 mHz to 3 MHz - Image 1 of 4

    Saluki SE2031 Digital Lock-In Amplifier 1 mHz to 3 MHz

    Brand New
    C $15,121.86
    Free shipping
    H⁣⁣⁣⁣T⁣ ⁣⁣D⁣O⁣⁣⁣ ⁣A⁣⁣⁣⁣P⁣⁣ ⁣X⁣⁣⁣K⁣⁣ ⁣⁣⁣⁣
  • EG&G Par Princeton Model 5101 Lock-in Amplifier - Power Tested Only - Image 1 of 4

    EG&G Par Princeton Model 5101 Lock-in Amplifier - Power Tested Only

    Parts Only · EG&G
    C $275.64
    C $60.29 shipping
    ⁣⁣L⁣⁣⁣⁣⁣⁣L⁣ ⁣⁣F⁣5⁣ ⁣⁣⁣3⁣⁣⁣⁣K⁣⁣⁣⁣⁣ ⁣G⁣⁣
  • Stanford Research Systems / SRS Model SR860 500 kHz DSP Lock-In Amplifier TESTED - Image 1 of 4

    Stanford Research Systems / SRS Model SR860 500 kHz DSP Lock-In Amplifier TESTED

    Pre-Owned
    C $8,685.17
    or Best Offer
    G⁣0⁣⁣ ⁣C⁣C⁣ ⁣⁣A⁣4⁣⁣⁣⁣ ⁣0⁣⁣G⁣ ⁣⁣⁣⁣⁣⁣⁣⁣P⁣F⁣ ⁣
  • 1 PCS NF LI 5640 DIGITAL LOCK-IN AMPLIFIER LI5640#XJ - Image 1 of 4

    1 PCS NF LI 5640 DIGITAL LOCK-IN AMPLIFIER LI5640#XJ

    Pre-Owned
    C $6,824.07
    or Best Offer
    Free shipping
    S⁣B⁣8⁣p⁣ ⁣о⁣N⁣n⁣R⁣ ⁣s⁣o⁣8⁣3⁣ ⁣r⁣P⁣I⁣ ⁣e⁣d⁣P⁣⁣K⁣⁣ ⁣⁣⁣
  • Rudolph Technologies 20702A Lock-In Amplifier PCB - Image 1 of 4

    Rudolph Technologies 20702A Lock-In Amplifier PCB

    Pre-Owned
    C $448.05
    or Best Offer
    C $56.52 shipping
    7⁣S⁣p⁣о⁣n⁣s⁣o⁣r⁣L⁣ ⁣e⁣A⁣8⁣ ⁣R⁣1⁣d⁣ ⁣E⁣C⁣ ⁣D⁣0⁣⁣⁣⁣⁣⁣
  • Dynatrac 391A Lock-In Amplifier No Power Cable - Image 1 of 4

    Dynatrac 391A Lock-In Amplifier No Power Cable

    Pre-Owned
    C $516.96
    Was: C $689.29was - C $689.29
    or Best Offer
    C $80.51 shipping
    S⁣Y⁣p⁣2⁣о⁣ ⁣n⁣s⁣N⁣A⁣ ⁣o⁣Q⁣6⁣r⁣e⁣ ⁣d⁣⁣K⁣⁣⁣⁣5⁣⁣⁣ ⁣2⁣
  • Princeton Applied Research 121 Lock-in Amplifier/Phase Detector No Power Cord - Image 1 of 4

    Princeton Applied Research 121 Lock-in Amplifier/Phase Detector No Power Cord

    Pre-Owned
    C $372.22
    Was: C $413.58was - C $413.58
    or Best Offer
    T⁣Q⁣ ⁣Q⁣S⁣p⁣o⁣J⁣ ⁣Q⁣n⁣A⁣s⁣о⁣r⁣e⁣ ⁣d⁣⁣R⁣9⁣⁣⁣ ⁣⁣⁣⁣M⁣
  • STANFORD RESEARCH SYSTEMS SR530 LOCK-IN AMPLIFIER 100 KHz SRS - 01 02 PARTS - Image 1 of 4

    STANFORD RESEARCH SYSTEMS SR530 LOCK-IN AMPLIFIER 100 KHz SRS - 01 02 PARTS

    Parts Only
    (1)
    C $1,242.86
    or Best Offer
    ⁣⁣⁣⁣⁣⁣Q⁣⁣S⁣⁣ ⁣G⁣⁣0⁣ ⁣⁣Y⁣T⁣⁣⁣⁣ ⁣W⁣⁣6⁣ ⁣A⁣⁣
  • EG&G Princeton Applied Research 5207 Lock-in Amplifier - Image 1 of 3

    EG&G Princeton Applied Research 5207 Lock-in Amplifier

    Pre-Owned · EG&G
    C $227.47
    C $58.71 shipping
    ⁣A⁣1⁣⁣⁣⁣⁣ ⁣U⁣⁣⁣U⁣ ⁣⁣⁣0⁣⁣Z⁣⁣⁣ ⁣T⁣Y⁣⁣⁣⁣⁣ ⁣
  • AD630 Lock-in Amplifier Minimum System Phase-Sensitive Detection of Weak Signals - Image 1 of 4

    AD630 Lock-in Amplifier Minimum System Phase-Sensitive Detection of Weak Signals

    Brand New
    C $153.34
    Was: C $166.67was - C $166.67
    or Best Offer
    C $14.89 shipping
    9⁣⁣K⁣⁣ ⁣O⁣Z⁣⁣ ⁣⁣⁣⁣⁣V⁣Y⁣ ⁣⁣X⁣5⁣⁣ ⁣Z⁣S⁣ ⁣⁣⁣⁣⁣
  • EG&G 5101 Lock-In Amplifier 5Hz-100kHz w/ Option 97-99 530Hz-1.5Khz Rack Mount - Image 1 of 4

    EG&G 5101 Lock-In Amplifier 5Hz-100kHz w/ Option 97-99 530Hz-1.5Khz Rack Mount

    Pre-Owned · EG&G
    C $347.41
    Was: C $386.01was - C $386.01
    or Best Offer
    C $90.17 shipping
    6⁣3⁣⁣ ⁣C⁣P⁣ ⁣⁣0⁣R⁣ ⁣1⁣⁣⁣⁣⁣⁣3⁣ ⁣⁣O⁣⁣Z⁣⁣⁣ ⁣⁣J⁣
  • Stanford Research Systems SR510 Lock-In Amplifier - Image 1 of 4

    Stanford Research Systems SR510 Lock-In Amplifier

    Pre-Owned · Unbranded
    C $894.71
    C $135.54 shipping
    ⁣⁣2⁣⁣S⁣⁣⁣ ⁣4⁣U⁣⁣⁣⁣ ⁣2⁣⁣S⁣ ⁣⁣⁣⁣⁣P⁣9⁣ ⁣⁣E⁣⁣
  • AD630 Lock-in Amplifier Board Module (1pcs) - Image 1 of 2

    AD630 Lock-in Amplifier Board Module (1pcs)

    Brand New · Unbranded
    C $140.84
    or Best Offer
    C $7.17 shipping
    ⁣⁣I⁣B⁣ ⁣1⁣⁣⁣⁣6⁣ ⁣V⁣⁣⁣⁣⁣⁣3⁣⁣⁣⁣⁣ ⁣D⁣⁣A⁣⁣ ⁣
  • Ithaco PC Lock-In Amplifier + Remote Signal Input Module 3981-A 3981-B - Image 1 of 4

    Ithaco PC Lock-In Amplifier + Remote Signal Input Module 3981-A 3981-B

    Pre-Owned
    C $151.65
    or Best Offer
    2 watching
    Ѕ⁣0⁣p⁣o⁣5⁣n⁣ ⁣s⁣o⁣r⁣0⁣R⁣ ⁣S⁣e⁣d⁣⁣⁣L⁣ ⁣5⁣F⁣ ⁣⁣⁣⁣⁣⁣
  • NF 5610B Two-phase Lock-in Amplifier 100V NF Circuit Design Block Junk - Image 1 of 4

    NF 5610B Two-phase Lock-in Amplifier 100V NF Circuit Design Block Junk

    Pre-Owned
    C $1,524.61
    Free shipping
    Q⁣6⁣ ⁣K⁣S⁣р⁣Q⁣ ⁣W⁣F⁣o⁣n⁣ ⁣s⁣T⁣L⁣o⁣r⁣e⁣ ⁣d⁣⁣4⁣⁣⁣⁣⁣T⁣
  • EG&G Princeton Applied Research Model 5210 Dual Phase Analog Lock-In Amplifier - Image 1 of 3

    EG&G Princeton Applied Research Model 5210 Dual Phase Analog Lock-In Amplifier

    Pre-Owned · EG&G
    (1)
    C $634.16
    ⁣Y⁣⁣⁣R⁣⁣⁣ ⁣7⁣⁣Q⁣ ⁣⁣⁣⁣⁣1⁣⁣U⁣⁣ ⁣⁣P⁣⁣⁣I⁣⁣⁣
  • AD630 Balanced Modulator Lock-in Amplifier Phase-locked Board - Image 1 of 4

    AD630 Balanced Modulator Lock-in Amplifier Phase-locked Board

    Brand New · Unbranded
    C $93.74
    or Best Offer
    C $7.15 shipping
    ⁣⁣J⁣N⁣⁣⁣ ⁣⁣⁣7⁣M⁣ ⁣G⁣F⁣⁣⁣ ⁣V⁣2⁣ ⁣9⁣C⁣⁣ ⁣⁣G⁣⁣⁣
  • EG&G / PAR Model 5202 Lock-In Amplifier 0.1-50MHz, tested good Princeton - Image 1 of 4

    EG&G / PAR Model 5202 Lock-In Amplifier 0.1-50MHz, tested good Princeton

    Pre-Owned
    C $825.78
    ⁣P⁣⁣1⁣⁣⁣ ⁣S⁣⁣L⁣⁣⁣⁣⁣⁣ ⁣2⁣⁣⁣X⁣⁣ ⁣⁣4⁣F⁣⁣ ⁣⁣
  • Stanford Research Systems SR830 Dual Phase 102kHz DSP Lock-In Amplifier - Tested - Image 1 of 4

    Stanford Research Systems SR830 Dual Phase 102kHz DSP Lock-In Amplifier - Tested

    Pre-Owned · Stanford Research Systems
    (2)
    C $5,514.40
    or Best Offer
    ⁣⁣E⁣⁣5⁣ ⁣1⁣⁣⁣⁣⁣3⁣ ⁣⁣Z⁣B⁣⁣ ⁣M⁣2⁣ ⁣⁣⁣R⁣C⁣ ⁣O⁣⁣
  • George Associates Model 104 Lock-In Amplifier- Fair Condition - Image 1 of 3

    George Associates Model 104 Lock-In Amplifier- Fair Condition

    Pre-Owned
    C $207.92
    or Best Offer
    C $58.08 shipping
    D⁣L⁣⁣⁣ ⁣⁣⁣1⁣Q⁣⁣ ⁣G⁣⁣H⁣ ⁣⁣Y⁣⁣E⁣⁣ ⁣⁣⁣4⁣⁣⁣⁣6⁣
  • Princeton Applied Research 128A-99 Lock-In Amplifier - Image 1 of 4

    Princeton Applied Research 128A-99 Lock-In Amplifier

    Pre-Owned
    C $2,061.01
    or Best Offer
    ⁣⁣⁣6⁣2⁣ ⁣I⁣⁣⁣⁣⁣O⁣⁣ ⁣6⁣J⁣ ⁣⁣⁣⁣⁣⁣⁣G⁣⁣9⁣⁣⁣
  • EG&G Brookdeal Ortholoc-SC 9505 Two Phase Lock-in Amplifier Analyzer - Image 1 of 4

    EG&G Brookdeal Ortholoc-SC 9505 Two Phase Lock-in Amplifier Analyzer

    Pre-Owned
    C $820.27
    or Best Offer
    ⁣⁣Q⁣0⁣⁣ ⁣⁣E⁣U⁣ ⁣L⁣I⁣⁣ ⁣I⁣⁣⁣N⁣ ⁣⁣⁣⁣B⁣⁣⁣U⁣⁣⁣
  • AD630 Lock-in Amplifier Module Balanced Modulator Phase Detection - Image 1 of 4

    AD630 Lock-in Amplifier Module Balanced Modulator Phase Detection

    Brand New · Unbranded
    C $66.78
    or Best Offer
    C $7.14 shipping
    ⁣H⁣1⁣⁣ ⁣P⁣K⁣ ⁣3⁣W⁣⁣ ⁣O⁣K⁣⁣⁣ ⁣R⁣H⁣ ⁣9⁣⁣⁣ ⁣⁣⁣⁣ ⁣
  • STANFORD RESEARCH SYSTEMS SR530 LOCK-IN AMPLIFIER - Image 1 of 4

    STANFORD RESEARCH SYSTEMS SR530 LOCK-IN AMPLIFIER

    Parts Only
    (1)
    C $723.77
    or Best Offer
    C $96.50 shipping
    C⁣⁣U⁣ ⁣V⁣⁣⁣⁣⁣⁣9⁣ ⁣B⁣O⁣⁣ ⁣⁣⁣Q⁣8⁣⁣⁣⁣ ⁣1⁣⁣2⁣⁣
  • EG&G Princeton Applied Research, Lock-In Amplifier, Model 5301, Two Channel - Image 1 of 4

    EG&G Princeton Applied Research, Lock-In Amplifier, Model 5301, Two Channel

    Pre-Owned · EG&G
    C $1,089.09
    or Best Offer
    C $214.48 shipping
    U⁣⁣Y⁣ ⁣9⁣D⁣⁣ ⁣⁣J⁣T⁣⁣ ⁣H⁣⁣A⁣ ⁣⁣⁣Q⁣⁣⁣P⁣ ⁣O⁣⁣⁣ ⁣
  • ITHACO NF 3961B Dual Phase Lock-In Amplifier, good working order (Made in Japan) - Image 1 of 4

    ITHACO NF 3961B Dual Phase Lock-In Amplifier, good working order (Made in Japan)

    Pre-Owned
    C $482.51
    or Best Offer
    L⁣L⁣ ⁣3⁣⁣B⁣⁣⁣⁣⁣⁣⁣ ⁣V⁣T⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣⁣
  • Lock-in Amplifier AD630 Phase Weak Signal Conditioning Balanced Modulation tzt# - Image 1 of 2

    Lock-in Amplifier AD630 Phase Weak Signal Conditioning Balanced Modulation tzt#

    Brand New · Unbranded
    C $78.58
    Was: C $82.72was - C $82.72
    C $13.79 shipping
    ⁣⁣⁣N⁣7⁣⁣ ⁣⁣⁣9⁣W⁣⁣ ⁣3⁣⁣⁣⁣⁣⁣9⁣⁣⁣ ⁣B⁣P⁣⁣ ⁣F⁣
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    stanford research systems sr850 dsp lock in amplifier srs lockin amp

    Pre-Owned · AMP
    C $2,619.34
    or Best Offer
    C $205.38 shipping
    ⁣P⁣⁣U⁣⁣⁣⁣⁣⁣⁣⁣ ⁣⁣T⁣⁣⁣⁣⁣2⁣⁣⁣⁣ ⁣⁣6⁣A⁣⁣⁣
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    AD630 Lock-in Amplifier LIA Balanced Modulator Phase Sensitive Detection

    Brand New · Unbranded
    C $98.36
    or Best Offer
    C $7.11 shipping
    ⁣⁣W⁣3⁣⁣⁣⁣ ⁣K⁣⁣S⁣⁣⁣⁣ ⁣⁣⁣⁣⁣⁣⁣E⁣⁣⁣N⁣⁣ ⁣0⁣
  • 1PCS Balanced modulator AD630 lock-in amplifier module weak signal detection - Image 1 of 1

    1PCS Balanced modulator AD630 lock-in amplifier module weak signal detection

    Brand New · Unbranded
    C $98.63
    or Best Offer
    C $7.13 shipping
    H⁣⁣2⁣⁣ ⁣⁣Z⁣⁣L⁣⁣ ⁣I⁣⁣⁣⁣⁣⁣⁣L⁣⁣ ⁣⁣0⁣W⁣⁣ ⁣I⁣B⁣
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    Lock-in Amplifier AD630 Phase Weak Signal Conditioning Balanced Modulation

    Brand New · Unbranded
    C $109.93
    Was: C $126.36was - C $126.36
    or Best Offer
    C $5.50 shipping
    ⁣⁣X⁣1⁣ ⁣⁣⁣T⁣L⁣⁣ ⁣1⁣⁣⁣1⁣ ⁣G⁣S⁣ ⁣⁣L⁣7⁣⁣ ⁣B⁣⁣⁣ ⁣
  • Princeton Applied Research PAR 120 LOCK IN AMPLIFIER- For parts/repair - Image 1 of 4

    Princeton Applied Research PAR 120 LOCK IN AMPLIFIER- For parts/repair

    Parts Only
    C $235.73
    Was: C $392.89was - C $392.89
    or Best Offer
    C $58.98 shipping
    ⁣G⁣W⁣ ⁣⁣T⁣⁣4⁣⁣ ⁣H⁣2⁣ ⁣S⁣Y⁣ ⁣⁣⁣⁣⁣Y⁣I⁣⁣⁣ ⁣⁣⁣⁣
  • EG&G Princeton Applied Research 5210 Dual Phase Lock-In Amplifier (S29) - Image 1 of 3

    EG&G Princeton Applied Research 5210 Dual Phase Lock-In Amplifier (S29)

    Pre-Owned · EG&G
    (1)
    C $820.27
    or Best Offer
    C $77.97 shipping
    4⁣⁣⁣Q⁣ ⁣⁣G⁣⁣4⁣⁣ ⁣G⁣⁣M⁣⁣⁣ ⁣⁣1⁣⁣C⁣ ⁣V⁣⁣⁣H⁣⁣⁣
  • Ithaco Dynatrac 391 A Lock-in Amplifier 391A 391OPT2 - Image 1 of 4

    Ithaco Dynatrac 391 A Lock-in Amplifier 391A 391OPT2

    Pre-Owned
    C $687.92
    or Best Offer
    S⁣C⁣p⁣o⁣n⁣ѕ⁣F⁣ ⁣H⁣o⁣r⁣G⁣e⁣ ⁣d⁣⁣Q⁣C⁣ ⁣C⁣⁣L⁣ ⁣⁣⁣T⁣3⁣ ⁣
  • EG&G Princeton Applied Research 5207 Lock-in Amplifier. *** Working!! *** - Image 1 of 4

    EG&G Princeton Applied Research 5207 Lock-in Amplifier. *** Working!! ***

    Pre-Owned · EG&G
    C $344.58
    S⁣p⁣C⁣o⁣n⁣U⁣ѕ⁣o⁣r⁣ ⁣e⁣X⁣d⁣⁣3⁣⁣ ⁣⁣⁣U⁣⁣⁣⁣⁣⁣⁣0⁣ ⁣

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