Skip to content
Same day shipping on in stock items. Order by 2pmPST.
Same day shipping on in stock items. Order by 2pmPST.

Test Equipment Accessories

Have a look at Circuit Specialists' variety of test equipment accessories including affordable test leads and clips, watertight instrument cases, and oscilloscope probe sets. These accessories are a perfect supplement to our extensive selection of high quality test equipment. Whether you're a hobbyist or an engineer, Circuit Specialists has the accessories you need to accurately test electronic equipment and systems.

  • Original price $3.81 - Original price $3.81
    Original price
    $3.81
    $3.81 - $3.81
    Current price $3.81

    Replacement Contact Brush for TDGC2-2 Variac

    Circuit Specialists
    58 in stock

    One (1) Replacement Contact Brush for TDGC2-2 Variac Note: The TDGC2-2 Variac requires/uses TWO (2) brushes. 2" long copper wire 0.05" diameter Ba...

    View full details
    Original price $3.81 - Original price $3.81
    Original price
    $3.81
    $3.81 - $3.81
    Current price $3.81
  • Original price $155.00 - Original price $155.00
    Original price
    $155.00
    $155.00 - $155.00
    Current price $155.00

    Rigol BAG-G1 Instrument Carry Case for DSA800 Spectrum Analyzer, DG4000 Generator, or DS2000 Scope

    Rigol

    Rigol's BAG-G1 is a large, soft instrument carry bag designed for DSA800 Spectrum Analyzers, DG4000 Function Generators, MSO5000 Oscilloscopes, and...

    View full details
    Original price $155.00 - Original price $155.00
    Original price
    $155.00
    $155.00 - $155.00
    Current price $155.00
  • Original price $4.55 - Original price $4.55
    Original price
    $4.55
    $4.55 - $4.55
    Current price $4.55

    Replacement Contact Brush for TDGC2-3KVA Variac

    Circuit Specialists
    110 in stock

    One (1) Replacement Contact Brush for TDGC2-3KVA Variac Note: The TDGC2-3KVA Variac requires/uses TWO (2) brushes. Dimensions: 20mm x 14 mm x 6 mm ...

    View full details
    Original price $4.55 - Original price $4.55
    Original price
    $4.55
    $4.55 - $4.55
    Current price $4.55
  • Original price $70.97 - Original price $70.97
    Original price
    $70.97
    $70.97 - $70.97
    Current price $70.97

    Hantek 3 Wire Handheld Oscilloscope Replacement Battery

    Hantek
    10 in stock

    3 Wire Hantek Handheld Oscilloscopes Replacement Battery (Lithium Polymer) *NOTE: Please check your DSO for the proper connector. Hantek has built...

    View full details
    Original price $70.97 - Original price $70.97
    Original price
    $70.97
    $70.97 - $70.97
    Current price $70.97
  • Original price $37.37 - Original price $37.37
    Original price
    $37.37
    $37.37 - $37.37
    Current price $37.37

    RS232 to TTL Converter for CSI3644A/45A/46A or CSI3710A/11A (3311)

    Array
    Currently on Backorder

    RS232 to TTL Converter for CSI3644A/45A/46A or CSI3710A/11A 3311 adapter is a RS232 to TTL lever converter. This cable and adapter contains the act...

    View full details
    Original price $37.37 - Original price $37.37
    Original price
    $37.37
    $37.37 - $37.37
    Current price $37.37
  • Original price $659.00 - Original price $659.00
    Original price
    $659.00
    $659.00 - $659.00
    Current price $659.00

    Rigol VB1032 VSWR Bridge with VSWR-DSA800, VSWR-DSA1000 Licenses Included

    Rigol

    The Rigol VB1032 VSWR Bridge is used in combination with Rigol’s DSA series of spectrum analyzers to measure S11-related parameters (such as return...

    View full details
    Original price $659.00 - Original price $659.00
    Original price
    $659.00
    $659.00 - $659.00
    Current price $659.00
  • Original price $199.00 - Original price $199.00
    Original price
    $199.00
    $199.00 - $199.00
    Current price $199.00

    Rigol RPL1116 Standard Logic Probe for DS1000Z Series - Adds 16 Digital Channels

    Rigol

    Rigol’s RPL1116 is a high-performance active logic probe that connects digital signals under test and provides logic analysis to the Rigol 1000Z se...

    View full details
    Original price $199.00 - Original price $199.00
    Original price
    $199.00
    $199.00 - $199.00
    Current price $199.00
  • Original price $788.00 - Original price $788.00
    Original price
    $788.00
    $788.00 - $788.00
    Current price $788.00

    Rigol RP1100D High Voltage Differential Probe, DC-100 Mhz, 7000 VPP

    Rigol

    Rigol's RP1100D high voltage differential probe can convert high differential input voltage to low voltage and display the waveforms on an oscillos...

    View full details
    Original price $788.00 - Original price $788.00
    Original price
    $788.00
    $788.00 - $788.00
    Current price $788.00
  • Original price $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00

    Rigol PVP3150 150 Mhz Passive Probe with 1X:10X Selector - 20MHz in 1X Mode

    Rigol

    PVP3150 Specifications* Bandwidth  1X: DC to 20 MHz  10X: DC to 150 MHz Input Resistance 1X: 1 MΩ ± 1% @ DC  10X: 10 MΩ ± 1% @ DC ...

    View full details
    Original price $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00
  • Original price $47.00 - Original price $47.00
    Original price
    $47.00
    $47.00 - $47.00
    Current price $47.00

    Rigol PVP2350  350 Mhz Passive Probe with 1X:10X Selector

    Rigol

    PVP2350 Specifications* Bandwidth  1X: DC to 35 MHz  10X: DC to 350 MHz Input Resistance 1X: 1 MΩ ± 1% @ DC  10X: 10 MΩ ± 1% @ DC  ...

    View full details
    Original price $47.00 - Original price $47.00
    Original price
    $47.00
    $47.00 - $47.00
    Current price $47.00
  • Original price $40.00 - Original price $40.00
    Original price
    $40.00
    $40.00 - $40.00
    Current price $40.00

    Rigol PVP2150 150 Mhz Passive Probe with 1X:10X Selector - 35Mhz in 1X Mode

    Rigol

    Rigol’s PVP2150 passive probe includes several accessories designed to make the probing and measurement simpler, including a tool for adjusting pro...

    View full details
    Original price $40.00 - Original price $40.00
    Original price
    $40.00
    $40.00 - $40.00
    Current price $40.00
  • Original price $399.00 - Original price $399.00
    Original price
    $399.00
    $399.00 - $399.00
    Current price $399.00

    Rigol PLA2216 16 Channel Digital Logic Probe

    Rigol

    Rigol's PLA2216 active logic probe is an invaluable, high-performance tool that provides 16 digital channels and logic analysis to Rigol's premium ...

    View full details
    Original price $399.00 - Original price $399.00
    Original price
    $399.00
    $399.00 - $399.00
    Current price $399.00
  • Original price $499.00 - Original price $499.00
    Original price
    $499.00
    $499.00 - $499.00
    Current price $499.00

    Rigol NFP-3 Near Field Probe - 30Mhz to 3Ghz

    Rigol

    NFP-3 is Rigol's 30MHz~3GHz near field probe kit, which offers 4 different probes with varying ranges and capabilities. The kit was specifically de...

    View full details
    Original price $499.00 - Original price $499.00
    Original price
    $499.00
    $499.00 - $499.00
    Current price $499.00
  • Original price $58.00 - Original price $58.00
    Original price
    $58.00
    $58.00 - $58.00
    Current price $58.00

    Rigol BAG-DS1000 Instrument Carry Case for DS1000 Series Oscilloscope

    Rigol

    This large instrument carry bag is designed for Rigol's DS1000/Z series of oscilloscopes, such as the DS1052E 50 MHz oscilloscope. The ballistic ny...

    View full details
    Original price $58.00 - Original price $58.00
    Original price
    $58.00
    $58.00 - $58.00
    Current price $58.00
  • Original price $19.00 - Original price $19.00
    Original price
    $19.00
    $19.00 - $19.00
    Current price $19.00

    Rigol ADP0150BNC 50 Ohm Impedance Adapter for Oscilloscopes or Generators

    Rigol

    Rigol's ADP0150BNC is a high-quality coaxial impedance adapter (1W, 1GHz) with BNC connectors designed for connecting signals from 50Ω sources to i...

    View full details
    Original price $19.00 - Original price $19.00
    Original price
    $19.00
    $19.00 - $19.00
    Current price $19.00
  • Original price $1,019.00 - Original price $1,019.00
    Original price
    $1,019.00
    $1,019.00 - $1,019.00
    Current price $1,019.00

    Siglent Vector Network Analyzer Option (SHA850-VNA) for SHA850A Spectrum Analyzers

    Siglent

    This option provides a 100 kHz-3.6/7.5 GHz vector network analyzer, vector S11 and S21 measurement, for SHA850A Spectrum Analyzers. About SHA850A S...

    View full details
    Original price $1,019.00 - Original price $1,019.00
    Original price
    $1,019.00
    $1,019.00 - $1,019.00
    Current price $1,019.00
  • Original price $297.00 - Original price $297.00
    Original price
    $297.00
    $297.00 - $297.00
    Current price $297.00

    Siglent 100 kHz~3.6/ 7.5 GHz Independent Source Option (SHA850-SOR) for SHA850A Spectrum Analyzers

    Siglent

    This option provides an independent source option for SHA850A Spectrum Analyzers. Frequency Parameter Model SHA851A SHA852A Frequen...

    View full details
    Original price $297.00 - Original price $297.00
    Original price
    $297.00
    $297.00 - $297.00
    Current price $297.00
  • Original price $173.00 - Original price $173.00
    Original price
    $173.00
    $173.00 - $173.00
    Current price $173.00

    Siglent GPS Logging Option (SHA850-GPSM) for SHA850A Spectrum Analyzers - Requires SHA850-GPS

    Siglent

    This option provides GPS logging to Siglent's SHA850A series of handheld spectrum analyzers. Please note that this option requires the SHA850-GPS r...

    View full details
    Original price $173.00 - Original price $173.00
    Original price
    $173.00
    $173.00 - $173.00
    Current price $173.00
  • Original price $173.00 - Original price $173.00
    Original price
    $173.00
    $173.00 - $173.00
    Current price $173.00

    Siglent GPS Receiver Option (SHA850-GPS) for SHA850A Spectrum Analyzers

    Siglent

    This option provides a GPS Receiver (SMA(F), 3.3V, 50Ω) to Siglent's SHA850A series of handheld spectrum analyzers. About SHA850A Series Handheld S...

    View full details
    Original price $173.00 - Original price $173.00
    Original price
    $173.00
    $173.00 - $173.00
    Current price $173.00
  • Original price $3,620.00 - Original price $3,620.00
    Original price
    $3,620.00
    $3,620.00 - $3,620.00
    Current price $3,620.00

    Siglent SHA50-A Option to Upgrade SHA851A Spectrum Analyzer to SHA852A

    Siglent

    This Siglent SHA850A series option upgrades the SHA851A to a SHA852A spectrum analyzer. About SHA850A Series Handheld Spectrum / Vector Network Ana...

    View full details
    Original price $3,620.00 - Original price $3,620.00
    Original price
    $3,620.00
    $3,620.00 - $3,620.00
    Current price $3,620.00
  • Original price $606.00 - Original price $606.00
    Original price
    $606.00
    $606.00 - $606.00
    Current price $606.00

    Siglent Digital Modulation Analysis Option (SHA850-DMA) for SHA850A Spectrum Analyzers

    Siglent

    This option provides a digital modulation analysis mode for Siglent's SHA850A series handheld spectrum analyzers.  Measurement Modulation T...

    View full details
    Original price $606.00 - Original price $606.00
    Original price
    $606.00
    $606.00 - $606.00
    Current price $606.00
  • Original price $132.00 - Original price $132.00
    Original price
    $132.00
    $132.00 - $132.00
    Current price $132.00

    Siglent DC Bias Out 12V-32V Option (SHA850-BIAS) for SHA850A Spectrum Analyzers

    Siglent

    This option provides DC Bias Out (SMB(F),12V-32V, 0.1V step) to Siglent's SHA850A series handheld spectrum analyzers.  About SHA850A Series Handhel...

    View full details
    Original price $132.00 - Original price $132.00
    Original price
    $132.00
    $132.00 - $132.00
    Current price $132.00
  • Original price $400.00 - Original price $400.00
    Original price
    $400.00
    $400.00 - $400.00
    Current price $400.00

    Siglent Advanced Measurement Kit Option (SHA850-AMK) for SHA850A Spectrum Analyzers

    Siglent

    This option provides advanced measurement and analysis capabilities to Siglent SHA850A handheld spectrum analyzers. Power Measurement  CHP,...

    View full details
    Original price $400.00 - Original price $400.00
    Original price
    $400.00
    $400.00 - $400.00
    Current price $400.00
  • Original price $338.00 - Original price $338.00
    Original price
    $338.00
    $338.00 - $338.00
    Current price $338.00

    Siglent Analog Modulation Analysis Option (SHA850-AMA) for SHA850A Spectrum Analyzers

    Siglent

    This option provides an analog modulation analysis mode for Siglent's SHA850A series handheld spectrum analyzers.  Common Parameter Model  ...

    View full details
    Original price $338.00 - Original price $338.00
    Original price
    $338.00
    $338.00 - $338.00
    Current price $338.00

Have a look at Circuit Specialists' variety of test equipment accessories including affordable test leads and clips, watertight instrument cases, and oscilloscope probe sets. These accessories are a perfect supplement to our extensive selection of high quality test equipment. Whether you're a hobbyist or an engineer, Circuit Specialists has the accessories you need to accurately test electronic equipment and systems.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare