Measuring & Testing
Measuring is knowing, and this is especially true when working on electronics projects. Here you will find not only multimeters and oscilloscopes, but also voltmeters and ammeters for installation. Additionally, we also offer cables, connectors, and terminal blocks for measuring instruments.
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Alligator cable to Dupont jumper pin - Adafruit 3255
For bread-boarding with unusual non-header-friendly surfaces, these cables will be your best friends! No longer will you have long strands of alligator clips that are grabbing little wires. These compact jumper cables have a premium male header on one end, and a grippy mini alligator clip on the other.
Grab onto your Flora, Circuit Playground, mic... Adafruit Part number: 3255 -
Battery capacity meter/display blue
This capacity meter indicates the remaining capacity of a battery.
Input voltage: 8V- 56V
For lead acid batteries and LiPo batteries.
LiPo: 3S / 4S /5S /6S /7S/8S/9S/10S/11S/12S/13S/14S/15S
Batteries: 12V/24V36V/48V
Set up:
- remove the cable with the power source
- press the button on the back
- connect the cable to the power source
- set the ... In stock -
Battery capacity meter/display green
This capacity meter indicates the remaining capacity of a battery.
Input voltage: 8V- 56V
For lead acid batteries and LiPo batteries.
LiPo: 3S / 4S /5S /6S /7S/8S/9S/10S/11S/12S/13S/14S/15S
Batteries: 12V/24V36V/48V
Set up:
- remove the cable with the power source
- press the button on the back
- connect the cable to the power source
- use the ... In stock -
Cable tester with tone generator UNI-T UT682D
UNI-T cable tester for detecting cables and possible breaks.
Method: Use both the tone generator and the probe to determine where a cable goes and see if it is broken (and if so, where the break is located).
You attach the tone generator to a wire with the crocodile clip and use the measuring probe to follow the wire (the measuring probe will bee... -
Crocodile clip black
In stock
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Crocodile clip insulated 28mm black
Black crocodile clip with insulating sleeve.
Length: 28mm
Color: black In stock -
Crocodile clip insulated 28mm red
Black crocodile clip with insulating sleeve.
Length: 28mm
Color: black In stock -
Crocodile clip insulated 35mm black
Black crocodile clip with insulating sleeve.
Length: 35mm
Color: black In stock -
Crocodile clip insulated 35mm red
Black crocodile clip with insulating sleeve.
Length: 35mm
Color: black In stock -
Crocodile clip insulated 45mm black
Black crocodile clip with insulating sleeve.
Length: 45mm
Color: black -
Crocodile clip insulated 45mm red
Black crocodile clip with insulating sleeve.
Length: 45mm
Color: red In stock -
Crocodile clip mini insulated black
Mini crocodile clip with insulation. Jaws in nickel-plated brass. The flat part of the jaw (for fine wires) allows a secure contact, even when working with the finest wires. Can clamp flat elements (solder lugs) and cables with a max. diameter of 4 mm.
Specifications:
Color: black
Max. voltage: 60VDC
Internal resistance: 5MOhm
Temperature range: ... In stock -
Crocodile clip mini insulated red
Mini crocodile clip with insulation. Jaws in nickel-plated brass. The flat part of the jaw (for fine wires) allows a secure contact, even when working with the finest wires. Can clamp flat elements (solder lugs) and cables with a max. diameter of 4 mm.
Specifications:
Color: red
Max. voltage: 60VDC
Internal resistance: 5MOhm
Temperature range: -2... In stock -
Crocodile clip red
In stock
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Crocodile clip set 28-piece in storage box
With this 28-piece crocodile clip set in a handy storage box, you will never be short of the right crocodile clip again.
Contents:
10x crocodile clips uninsulated 50 mm
6x crocodile clips insulated 55 mm
2x crocodile clips insulated 60 mm
6x crocodile clips insulated 65 mm
2x crocodile clips insulated 80 mm
2x crocodile clips 70 mm insulated In stock -
Digital multimeter UNI-T UT131A
UNI-T digital multimeter (type UT131B) for measuring DC and AC voltage, DC current, resistance, capacitance and continuity.
You can also test diodes.
- Auto power off
- Low consumption
- With buzzer for continuity (circuit) measurements
- Test diodes
- With space for the measuring pins
- Works on 2 AAA penlite batteries (included)
- With auto off ... -
Digital multimeter UNI-T UT131B
UNI-T digital multimeter (type UT131B) for measuring direct and alternating voltage, direct current, resistance and continuity.
You can also test diodes and batteries.
- Auto power off
- Low consumption
- With buzzer for continuity (circuit) measurements
- Test diodes
- Tests 1.5V, 9V and 12V batteries (indicates good/low/bad)
- With space for the... In stock -
Digital multimeter UNI-T UT133A
UNI-T digital multimeter (type UT133A) for measuring DC and AC voltage, DC and AC current, resistance, capacitance and continuity.
Additionally, you can measure temperature (with the included K-type thermocouple) and test diodes.
- Over-voltage/over-current audible alarm
- High voltage warning
- Auto power off (can be turned off)
- Low consumption... -
Digital sliding caliper 150mm 0.01mm resolution stainless steel
Precision digital caliper made of stainless steel (4CR13), suitable for measuring outside and inside diameters, depths and steps. With a resolution of 0.01mm and a measuring accuracy of ±0.03mm, ideal for precise measurements in the workshop or electronics environment.
Specifications:
- Measuring range: 0–150 mm
- Resolution: 0.01 mm
- Accuracy... In stock -
Digital voltmeter + ammeter with display 100V / 10A
Digital voltmeter with 3 digit display with red numbers.
Measure voltages from 0V to 100V.
Resolution: 0.1V
Digital ammeter with 3 digit display with blue numbers.
Measure current from 0 to 10A.
Resolution: 0.01A
Accuracy: +/-1%
Connect:
Connect the connectors to the volt/ampere meter.
The thick wires are used to measure the current. So include... -
Digital voltmeter / multimeter / ammeter AX-573 LCD 3.5 digit (1999)
A robust quality multimeter AX-573 from Axiomet. Supplied with test leads. Excluding batteries.
Features:
- automatic power-off
- impact resistant holster
- low battery indicator
- manual ranging
- overflow indicator
- universal
Measurement:
- AC current
- AC voltage
- capacitance
- DC current
- DC voltage
- resistance
- transistors' gain hFE
Ki... In stock -
Digital voltmeter with display blue 4.5-30.0V
Digital voltmeter with 3 digit display with blue numbers.
Measure voltages from 4.5V to 30.0V DC.
Direct connection with 2 wires, the meter draws its current ( In stock -
Digital voltmeter with display green 3.2-30.0V mini
Digital voltmeter with 3 digit display with green numbers.
Measure voltages from 3.2V to 30.0V DC.
Direct connection with 2 wires, the meter draws its current (<20mA) from the power supply to be measured.
Precision: below 10V with 2 decimal places, above 10V with 1 decimal place.
Height of number: +/- 9.5mm
Dimensions: +/- 39x23x23mm.
Dimensi... -
Digital voltmeter with green display 4.5-30.0V
Digital voltmeter with 3 digit display with green numbers.
Measure voltages from 4.5V to 30.0V DC.
Direct connection with 2 wires, the meter draws its current (<20mA) from the power supply to be measured.
Precision: below 10V with 2 decimal places, above 10V with 1 decimal place.
Dimensions: +/- 48x29x22mm.
Dimensions for hole: +/- 46x27mm.
In stock -
Digital voltmeter with red display 4.5-30.0V
Digital voltmeter with 3 digit display with red numbers.
Measure voltages from 4.5V to 30.0V DC.
Direct connection with 2 wires, the meter draws its current (<20mA) from the power supply to be measured.
Precision: below 10V with 2 decimal places, above 10V with 1 decimal place.
Dimensions: +/- 48x29x22mm.
Dimensions for hole: +/- 46x27mm.
In stock -
Digital voltmeter with yellow display 4.5-30.0V
Digital voltmeter with 3 digit display with yellow numbers.
Measure voltages from 4.5V to 30.0V DC.
Direct connection with 2 wires, the meter draws its current (<20mA) from the power supply to be measured.
Precision: below 10V with 2 decimal places, above 10V with 1 decimal place.
Dimensions: +/- 48x29x22mm.
Dimensions for hole: +/- 46x27mm.
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Feeler gauge 0,05mm-1,0mm
Feeler gauge, among others. suitable for calibrating a 3D printer (distance between extruder and print bed).
- 17 metal plates of different indicated thicknesses in a holder: 0.02/ 0.03/ 0.04/ 0.05/ 0.06/ 0.07/ 0.08/ 0.09/ 0.10/ 0, 15/ 0.20/ 0.25/ 0.30/ 0.40/ 0.50/ 0.75/ 1mm
- for measuring clearances between electrodes, contacts, clearances in me... In stock -
Freeze spray Freeze 55 butane spray can 300 ml
Reliable tool for rapid cooling of electronic components and precise diagnostics. This product enables quick, localized temperature reduction down to -55°C, allowing for the detection of microcracks, “cold solder joints,” and testing of thermal components. The freeze spray is chemically pure, non-toxic, and safe for most materials, making it a...
In stock
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IC probe clip 139mm / 4mm black
- Max. current: 3A - 60VDC
- With screw connection. In stock -
IC probe clip 139mm / 4mm red
- Max. current: 3A - 60VDC
- With screw connection. In stock -
IC probe test clip 40mm black
- Max. current: 0.3A - 50VAC
- Insulation resistance: 100MOhm¸ 500VDC
- Max. voltage: 500VAC In stock -
IC probe test clip 40mm red
- Max. current: 0.3A - 50VAC
- Insulation resistance: 100MOhm¸ 500VDC
- Max. voltage: 500VAC In stock -
IC probe test clip set 51mm (6PCS)
In stock
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IC probe test clip set red/black - clips to pins
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LED Tester
For quick testing of LEDs.
Supplied with 9V battery. In stock -
LM4040 precision voltage reference - 2,048V en 4,096V - Adafruit 2200
How good is your multimeter really? Or maybe your analog converter needs a good reference? Or lets say you want to test your microcontroller's conversion accuracy & precision. If only you had a dependable, high precision, rock-solid voltage reference. Now you know why we made this very cute and useful little breakout board. It has two very high pr...
Adafruit Part number: 2200
In stock
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Laboratory connector / terminal block banana plug double black/red
Dual banana terminal blocks for mounting on an enclosure or panel.
With neat cover plate in front of and behind the panel. In stock -
Laboratory connector banana plug black
Black chassis part for connecting banana plugs. Ideal for audio applications, speakers and measuring instruments.
In stock
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Laboratory connector banana plug red
Red chassis part for connecting banana plugs. Ideal for audio applications, speakers and measuring instruments.
In stock
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MCP Screwdriver with Voltage Detector
MCP voltage testers are reliable measuring instruments for quickly and safely checking both AC and DC voltage. Thanks to their robust housing, clear display, and high measurement accuracy, they are ideal for use in the home, workshop, and electrical installations.
Whether testing sockets, cables, or electronic components, this voltage tester offer... In stock -
Measurement lead crocodile clips to BNC cable for oscilloscopes 1 meter
Double connection cable with 2 crocodile clips and a BNC connector for measuring with an oscilloscope.
Cable outer diameter: 4.0±0.1mm
Cable inner diameter: 23x0.15mm
Cable length: ±100cm
Impedance: 50Ω
Maximum input voltage: 500V.
Maximum input current: 2.5A In stock -
Multimeter test leads with safety plugs
In stock
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Panel meter Voltage 15V DC
Analog panel meter for displaying DC voltage 0-15V.
Dimensions: see pictures
Class: 2.5 -
Panel meter Voltage 30V DC
Analog panel meter for displaying DC voltage 0-30V.
Dimensions: see pictures
Class: 2.5 -
Panel meter Voltage 3V DC
Analog panel meter for displaying DC voltage 0-3V.
Dimensions: see pictures
Class: 2.5 -
Panel meter Voltage 5V DC
Analog panel meter for displaying DC voltage 0-5V.
Dimensions: see pictures
Class: 2.5 -
Ruler set stainless steel 3-piece 15/20/30cm
Whether for professional use, DIY, office or school, with this stainless steel ruler set you have 3 durable, neat rulers for many applications.
The rulers have lengths of 15, 20 and 30 cm and are clearly and accurately marked with a centimeter scale and an inch scale on the back.
Material thickness is 0.8 mm (30 cm), 0.6 mm (20 cm) or 0.5 mm (15 ... -
Screwdriver with voltage tester VDE 190mm
This single-pole voltage tester, also known as a phase shifter or current tester, is designed to detect voltages in the AC 125–250 V range. Ideal for testing live conductors such as indoor electrical outlets.
When voltage is present, the integrated glow lamp lights up clearly.
- German production, high quality
- Measuring range: AC 125 – 250 V... In stock -
Servo motor tester / ESC controller / tester
With this tester you can easily test servos and ESCs.
3 servos can be tested simultaneously, both manually and automatically.
ESCs (electronic speed controllers) can also be tested. By turning the knob the speed of the motors is controlled.
Maximum output: 15mA
Power supply: 4.5V-6V
Weight: 15g
Dimensions: 42.5x24.0x23.5 mm In stock -
Silicone measuring lead 0.5m with banana plug 4mm black
Silicone measuring lead with a 4mm connector on both ends with built-in banana plug and socket.
- Silicone
- 2.5mm²
- Max. 30A
- Color: black
- Length: 0.5m In stock -
Silicone measuring lead 0.5m with banana plug 4mm red
Silicone measuring lead with a 4mm connector on both ends with built-in banana plug and socket.
- Silicone
- 2.5mm²
- Max. 30A
- Color: red
- Length: 0.5m In stock -
Test clip set labclip to dupont female 10-piece
Test clip set with 10 lab clips to dupont female.
Handy for measuring circuits and flashing boards without soldering. For example in combination with a USB-to-serial adapter board.
Cable length: ~20cm In stock -
Test lead set for multimeter with safety plugs
Set of red and black test leads with a 4mm angled insulated safety banana plug on one end and a test probe on the other end.
- Cat III 1000V
- 1mm²
- Length: 1.0m In stock -
Test lead set with banana to crocodile clips black/red 1 meter
The crocodile clips easily connect to the points you want to measure and the other end fits into your multimeter or power supply!
Suitable for almost all multimeters.
Length: 1 meter
Set of black and red cable. In stock -
Test lead set with banana to test clips black/red 1 meter
The test clips easily connect to the points to be measured and the other end fits into your multimeter or power supply!
Suitable for almost all multimeters.
Length: 1 meter
Set of black and red cable. In stock -
USB Tester - KWS-V30 black
USB Tester with IPS Color Display – 6-in-1 Power Meter (4–30V, 0–6.5A)
Compact and intelligent USB tester with a bright IPS color display for accurately measuring voltage, current, power, capacity, and charge time. Ideal for testing chargers, power banks, USB devices, and fast-charging technologies.
Key Features:
- Measure: Voltage (4–30V...





















































