Electronic Test
Electronic test is a category focused on evaluating the functionality and performance of electronic devices. This includes testing methods such as automated testing, manual testing, and simulation to ensure that electronic components meet quality standards and specifications. Electronic test equipment like oscilloscopes, multimeters, and signal generators are commonly used to measure and analyze electronic signals. This category covers a wide range of industries including telecommunications, automotive, aerospace, and consumer electronics. Whether testing PCBs, integrated circuits, or electronic systems, Electronic Test plays a crucial role in verifying the proper operation and reliability of electronic devices.
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Philco BC-221-N Vintage Radio Frequency Meter with Calibration Book MC-177-N
Philco
$200.00Was: $400.00Philco BC-221-N Vintage Radio Frequency Meter with Calibration Book MC-177-NHeterodyne frequency meter manufactured by Philco in the early 1940s. Designed to measure radio frequencies using vacuum tube circuitry and dual-dial readout.Specifications &...47398- SKU:
- 47398
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 23.00 LBS
- Brand:
- Philco
- Model:
- BC-221-N
- MPN:
- BC-221-N
- Secondary Model:
- MC-177-N
- Type:
- Heterodyne Frequency Meter
- SKU:
- 47398
- Seller Notes:
- Includes Calibration Book MC-177-N (Serial No. 702)
- Form Factor:
- Portable / Benchtop, Carrying Case
- Technology:
- Vacuum Tube (Heterodyne)
- Controls:
- Gain, Corrector, Crystal/Off/Operate/Check, Freq Band Low/High
- Tube Types Visible:
- VT-116, VT-116, VT-167, VT-163
- Dial Type:
- Dial Hundreds + Dial Units (two-dial heterodyne readout)
- Outputs / Connectors:
- Phones jack, antenna terminals, power cord
- Includes:
- Calibration Book MC-177-N (Serial No. 702), power cord
- Era / Period:
- World War II / Early 1940s
- Country/Region of Manufacture:
- United States
- Condition:
- Used – Pulled from Working Environment
- Condition Notes:
- Philco BC-221-N Frequency Meter in good used condition for its age. Case shows paint loss and surface oxidation. Internal chassis and tubes present. Calibration Book MC-177-N (S/N 702) included. Not powered/tested at our facility.
$200.00Was: $400.00 -
Brush Development BL-202 2-Channel Magnetic Azimuth Elevation Oscillograph
Brush
$125.00Was: $250.00Brush Development BL-202 2-Channel Magnetic Azimuth Elevation OscillographThe Brush Development BL-202 is a portable 2-channel magnetic oscillograph designed to simultaneously record azimuth and elevation data as continuous traces on a paper chart...47399- SKU:
- 47399
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 26.00 LBS
- Brand:
- Brush Development Co.
- Model:
- BL-202
- MPN:
- BL-202
- Type:
- Magnetic Oscillograph / Chart Recorder
- SKU:
- 47399
- Number of Channels:
- 2
- Recording Method:
- Magnetic / Galvanometer
- Measurement Type:
- Azimuth and Elevation
- Channels:
- Timer, Azimuth, Elevation, Target
- Connector Types:
- J3701, J3702, J3703 multi-pin connectors
- Power Requirements:
- 115V AC, 60 Hz
- Form Factor:
- Portable / Handheld Case with Carry Strap
- Country/Region of Manufacture:
- United States
- Condition:
- As-Is / For Parts or Not Working
- Seller Notes:
- Sold as-is due to age; functionality not confirmed.
- Era / Period:
- 1940s–1950s
- Condition Notes:
- Brush Development BL-202 Oscillograph sold as-is due to age. Cosmetically fair — case shows age wear, strap intact, connectors present. Not tested; functionality not confirmed. For parts, restoration, or collection. Contact us with questions.
$125.00Was: $250.00 -
Western Union Tel Co Model 264 No. 41078 Type 1-A DC Milliammeter Panel Meter
W U Tel Co
$35.00Was: $70.00Western Union Tel Co Model 264 No. 41078 Type 1-A DC Milliammeter Panel Meter Vintage analog panel meter manufactured by Western Union Telegraph Company for measuring direct current in milliamperes. Features a center-zero scale with ±150 mA range and...47554- SKU:
- 47554
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 6.00 LBS
- Brand:
- Western Union Telegraph Company
- Model:
- 264
- MPN:
- 41078
- Type:
- DC Milliammeter Panel Meter
- SKU:
- 47554
- Instrument Type:
- Analog Panel Meter
- Measurement Type:
- DC Current (Milliamperes)
- Scale:
- Milliamperes D.C. — center-zero, ±150 mA range
- Model Designation:
- Type 1-A
- Serial / Instrument Number:
- No. 41078
- Display Type:
- Analog arc-scale with pointer
- Form Factor:
- Benchtop / Panel Mount
- Condition:
- As-Is / For Parts or Not Working
- Seller Notes:
- Sold as-is. Vintage instrument, age unknown. For parts, repair, or display only.
- Country/Region of Manufacture:
- United States
- Condition Notes:
- Western Union Model 264 Type 1-A DC Milliammeter sold as-is — not tested, no functionality guarantee. Heavy enamel chipping and oxidation throughout. Dial legible. For parts, repair, or display only.
$35.00Was: $70.00 -
Allen B. DuMont 297 Oscillograph-Record Camera Polaroid Land For Parts
Dumont
$65.00Was: $125.00Allen B. DuMont 297 Oscillograph-Record Camera Polaroid Land For PartsA handheld oscillograph-record camera manufactured by Allen B. DuMont Laboratories for capturing images directly from oscilloscope screens. Uses Polaroid Land instant roll film to...47555- SKU:
- 47555
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 7.00 LBS
- Brand:
- Allen B. DuMont Laboratories
- Model:
- 297
- MPN:
- 297
- Type:
- Oscillograph-Record Camera
- SKU:
- 47555
- Condition:
- As-Is / For Parts or Not Working
- Seller Notes:
- Sold as-is, untested. Includes leather strap. No film included.
- Country/Region of Manufacture:
- United States
- Compatible With:
- Polaroid Land film; DuMont oscilloscopes
- Film Type:
- Polaroid Land (roll film)
- Form Factor:
- Handheld / Portable
- Camera Body Material:
- Metal and leatherette
- Manufacturer:
- Allen B. DuMont Laboratories, Inc., Clifton, NJ
- Serial Number Range:
- 131 (see label)
- Application:
- Oscilloscope screen photography / CRT recording
- Condition Notes:
- Allen B. DuMont Type 297 Oscillograph-Record Camera sold as-is for parts or repair. Has not been tested; functionality unknown. Body shows age wear; leather strap deteriorated. No film included.
$65.00Was: $125.00 -
Weston Model 260 DC Milliamperes Passive Analog Panel Meter mA Benchtop
Weston
$59.00Was: $150.00Weston Model 260 DC Milliamperes Passive Analog Panel Meter mA Benchtop Passive analog panel meter for measuring DC current in milliamperes. Requires no external power supply and displays readings on a dual-scale dial via pointer deflection...47557- SKU:
- 47557
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 1.00 LBS
- Brand:
- Weston
- Model:
- 260
- MPN:
- 260
- Type:
- DC Milliamperes Passive Analog Panel Meter
- SKU:
- 47557
- Measurement Type:
- DC Current (Milliamperes)
- Full Scale Range:
- 0–50 mA (outer scale); 0–1 mA (inner scale)
- Meter Movement:
- Passive analog (no external power required)
- Display Type:
- Dual-scale analog dial
- Form Factor:
- Benchtop / Panel Mount
- Terminals:
- 4 binding post terminals on top
- Manufacturer:
- Weston Electrical Instrument Corp., Newark, NJ USA
- Country/Region of Manufacture:
- United States
- Condition:
- Used – Inspected
- Seller Notes:
- Unit only; no accessories included.
- Condition Notes:
- Weston Model 260 DC milliamperes passive analog panel meter in used condition. Housing shows wear, oxidation, and scuffing. Binding posts show patina. Dial legible but stained. Not bench-tested; sold as found.
$59.00Was: $150.00 -
General Radio Type 200B Variac Adjustable Transformer 115V 170VA 0-185V Out
General Radio Company
$50.00Was: $100.00General Radio Type 200B Variac Adjustable Transformer 115V 170VA 0-185V OutSingle-phase variable autotransformer for laboratory and industrial use. Provides continuously adjustable AC output from 0 to 185V when supplied with 115V input, enabling voltage...47559- SKU:
- 47559
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 6.00 LBS
- Brand:
- General Radio
- Model:
- Type 200B
- MPN:
- 200B
- Type:
- Variable Autotransformer (Variac)
- SKU:
- 47559
- Condition:
- Used – Pulled from Working Environment
- Primary Voltage:
- 115V AC
- Output Voltage Range:
- 0 – 185V AC
- Power Rating:
- 170 VA
- Current Rating (Rated):
- 1A
- Current Rating (Max):
- 1.5A
- Phase:
- Single Phase
- Form Factor:
- Benchtop / Open Frame
- Dimensions:
- 4" x 3" x 3" (approx.)
- Country/Region of Manufacture:
- United States
- Seller Notes:
- Unit only — no enclosure or dial assembly included.
- Condition Notes:
- This General Radio Type 200B Variac has been inspected and is in good used condition. Pulled from a working environment. Shows age-appropriate patina — tarnished brass, scuffed bakelite, oxidized wiper arm. Toroid winding intact.
$50.00Was: $100.00 -
Staco 3PN500B Adjust-A-Volt Variac 120V In 0-140V Out 1.05 KVA 7.5A Single Phase
Staco
$260.00Was: $525.00Staco 3PN500B Adjust-A-Volt Variac 120V In 0-140V Out 1.05 KVA 7.5A Single PhaseVariable autotransformer that accepts 120V AC input and outputs adjustable voltage from 0-140V AC. Manual rotary dial control allows stepped voltage adjustment for testing...47600- SKU:
- 47600
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 9.00 LBS
- Brand:
- Staco
- Model:
- 3PN500B
- MPN:
- 3PN500B
- Type:
- Variable Autotransformer (Variac)
- SKU:
- 47600
- Input Voltage:
- 120V AC
- Output Voltage:
- 0-140V AC (adjustable)
- Power Rating:
- 1.05 KVA
- Current Rating:
- 7.5A
- Phase:
- Single Phase
- Frequency:
- 50/60 Hz
- Form Factor:
- Benchtop
- Control Type:
- Manual rotary dial
- Power Switch:
- Toggle ON/OFF switch
- Indicator:
- Red pilot light
- Output Connector:
- Binding post terminals
- Input Connector:
- Standard 2-prong AC line cord
- Country/Region of Manufacture:
- United States (Dayton, Ohio)
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Unit only; no additional accessories included.
- Condition Notes:
- Used Staco 3PN500B Adjust-A-Volt variac showing cosmetic wear, paint loss, and surface rust on base. Dial, switch, binding posts, and cord present. Not powered or tested at our facility; pulled from a working lab environment.
$260.00Was: $525.00 -
Superior Electric Powerstat Type 20 Variable Transformer 115V 0-130V 3A Variac
Superior Electric
$120.00Was: $250.00Superior Electric Powerstat Type 20 Variable Transformer 115V 0-130V 3A VariacA single-phase variable autotransformer that accepts 115V AC input and provides continuously adjustable output from 0-130V AC at up to 3A. Manual rotary dial control allows...47613- SKU:
- 47613
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 4.00 LBS
- Brand:
- Superior Electric
- Model:
- Type 20
- MPN:
- Type 20
- Type:
- Variable Autotransformer (Variac)
- SKU:
- 47613
- Primary Voltage:
- 115V AC
- Secondary Voltage:
- 0-130V AC
- Output Current (Max):
- 3A
- Frequency:
- 60 Hz
- Phase:
- Single Phase
- Form Factor:
- Benchtop
- Control Type:
- Manual Rotary Dial
- Country/Region of Manufacture:
- United States
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Unit only; no additional accessories included.
- Condition Notes:
- Superior Electric Powerstat Type 20 variac in good used condition. Housing shows paint flaking and surface wear typical of age. Dial and scale intact. Not powered at our facility; pulled from working environment. Please contact us with questions.
$120.00Was: $250.00