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AUTOOL BT210 Car Circuit Tester 9-30V Electrical Testers
US$28.00
Key Features
- Voltage Test
- Continuity Check
- 4 Test Modes
- Voltage Test: Checks circuit voltage for 12V and 24V vehicle systems.
- Continuity Check: Finds open, closed, virtual, and real circuits.
- 4 Test Modes: Also covers polarity and temperature testing in one tool.
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AUTOOL BT210
Product Overview
AUTOOL BT210 is a compact automotive electrical circuit tester for 9-30V DC vehicle systems. It supports voltage test, continuity test, polarity test, and contact temperature test, making it suitable for common electrical troubleshooting on 12V cars, 24V trucks, motorcycles, and other compatible DC vehicle circuits.
9-30V DC Voltage Test Continuity Test Polarity / Temperature
9-30VTest Voltage Range
10AOvercurrent Protection
1.1mWire Length
3 YearsMain Unit Warranty
Click to enlargeBefore You Order And Use
Before You Order And Use
BT210 is designed for vehicle DC circuit troubleshooting. Confirm voltage range, circuit type, working environment, and tool condition before testing.
9-30V DC Only
Use BT210 only on 9-30V direct current vehicle circuits. It is suitable for typical 12V car and 24V truck electrical systems within this range.
Do Not Use On AC
Do not use BT210 on alternating current circuits. It should not be used on DC circuits above 30V.
Overload Protection
When the measured voltage is greater than 30V or measured current is greater than 10A, the tool starts self-protection to help reduce losses.
Spark Risk
Sparks may appear on the probe during work. Do not use the tester around combustible gas, dust, or flammable and explosive environments.
Check Tool Condition
Stop using the tester if the instrument body or test lead is damaged. Check and tighten loose connected parts before operation.
Sharp Probe Tip
The probe tip is sharp. Handle carefully during use and storage, and keep the tool properly stored after testing.
Maintenance Notes
- Do not overload the equipment or use it outside the rated range.
- Avoid rubbing the product against rough surfaces, especially the sheet metal housing.
- Regularly check parts that need to be tightened or connected.
- Avoid contact with corrosive liquids.
- Store the product in a dry place; do not store it in hot, humid, or non-ventilated areas.
Key Features
Key Features
BT210 provides four switchable detection modes, a built-in probe light, digital display, polarity indication, continuity indication, overload protection, and compact operation for vehicle electrical maintenance.
Voltage Test
Measure the voltage of the circuit under test directly within the supported 9-30V DC range.
Continuity Test
Detect open-circuit, closed-circuit, virtual circuit, and real circuit conditions. Indicator on means closed or real circuit; indicator off means open or virtual circuit.
Polarity Test
Identify circuit polarity quickly. The green light represents the positive pole, and the red light represents the negative pole.
Temperature Test
A temperature sensor at the probe tip detects the temperature of the designated contact point.
Probe Light Function
After power-on, the light turns on by default. Press the Lighting key to turn the light beside the probe on or off.
Portable Vehicle Use
Designed for convenient vehicle troubleshooting on compatible cars, trucks, motorcycles, and other DC vehicle electrical systems.
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Click to enlargeSpecifications
BT210 Specifications
BT210 combines a sharp probe tip, ground clamp, digital display, polarity indicator, LED continuity indicator, lighting key, and mode switch in a compact power circuit probe tester.
| Core Specifications | |
| Product | AUTOOL BT210 Power Circuit Probe Tester |
| Test Voltage Range | 9-30V DC |
| Compatible Vehicle Systems | Typical 12V cars, 24V trucks, motorcycles, and other compatible DC vehicle circuits |
| Detection Modes | Voltage test, continuity test, polarity test, temperature test |
| Overcurrent Protection | 10A |
| Wire Length | About 1.1m |
| Main Length Shown | 205mm / 8.1in |
| Display And Indicators | Digital display, polarity indicator light, LED continuity indicator |
| Probe Light | Turns on by default after power-on; can be switched on or off with the Lighting key |
| Mode Switching | Press the M key to switch among the four test modes |
| Warranty | 3-year main unit warranty; accessories are covered for 1 year from receipt date |
| Product Structure | |
| Probe And Ground | Includes a sharp probe tip for contact testing and an earth clamp for grounding during circuit checks. |
| Display And Indicators | The display shows measurement information, while the polarity and continuity indicators help quickly identify circuit status. |
| Function Buttons | Use the Lighting key to control the probe light and the M key to switch between voltage, continuity, polarity, and temperature modes. |
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Click to enlargeCore Specifications
ProductAUTOOL BT210 Power Circuit Probe Tester
Test Voltage Range9-30V DC
Compatible Vehicle SystemsTypical 12V cars, 24V trucks, motorcycles, and other compatible DC vehicle circuits
Detection ModesVoltage test, continuity test, polarity test, temperature test
Overcurrent Protection10A
Wire LengthAbout 1.1m
Main Length Shown205mm / 8.1in
Display And IndicatorsDigital display, polarity indicator light, LED continuity indicator
Probe LightTurns on by default after power-on; can be switched on or off with the Lighting key
Mode SwitchingPress the M key to switch among the four test modes
Warranty3-year main unit warranty; accessories are covered for 1 year from receipt date
Product Structure
Probe And GroundIncludes a sharp probe tip for contact testing and an earth clamp for grounding during circuit checks.
Display And IndicatorsThe display shows measurement information, while the polarity and continuity indicators help quickly identify circuit status.
Function ButtonsUse the Lighting key to control the probe light and the M key to switch between voltage, continuity, polarity, and temperature modes.
Product Comparison
Product Comparison
Compare BT210 with BT160, BT250, BT260, and BT280 before choosing the right voltage range, cable length, display, language support, and advanced diagnostic functions.
BT160Entry 6-24V tester with 4m power cable, 0-10A current measuring range, DC voltage detection mode, grounding test, polarity test, continuity test, diode test mode, and current overload protection.
BT210Compact 9-30V DC circuit probe tester with 0-10A current range, about 1.1m cable, LED light, voltage test, continuity test, polarity test, temperature test, and overload protection.
BT250 / BT260Higher display models with 9-30V operating voltage, 0-65V DC/AC voltage measurement range, 0-200KΩ resistance measurement, 0-10A current measuring range, TFT color display, 9 languages, LED light, grounding test, diode test, and resistance detection.
BT280Advanced model with 0.1-100V DC/AC voltage measurement range, 0-18A current range, 1-200KΩ resistance measurement, 6m cable, 14 languages, larger display, injector test, relay test, component activation, oscilloscope mode, multimeter mode, smart test, and online update.
Decision CheckChoose BT210 if you need a simple 9-30V DC probe tester with voltage, continuity, polarity, temperature, lighting, and overload protection without a large color screen or advanced activation functions.
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Click to enlargeWhat Is In The Box
What Is In The Box
The package image shows the BT210 tester, ground clamp, user manual, and retail box. Refer to the package image and final order page for the exact included items.
Main UnitAUTOOL BT210 power circuit probe tester with attached probe and cable
Ground ClampEarth clamp / ground connection shown in the package image
DocumentationAUTOOL BT210 user manual shown in the package image
Retail BoxBT210 retail packaging shown in the package image
Related Products
Related Products
Compare related AUTOOL circuit testers before choosing the right voltage range, cable length, screen type, current range, and advanced diagnostic functions.
- Select options This product has multiple variants. The options may be chosen on the product page
AUTOOL BT210 Car Circuit Tester 9-30V Electrical Testers
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AUTOOL BT160 Automotive Circuit Tester Circuit Checker
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AUTOOL BT250 Car Electrical Circuit Tester 6V-30V
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AUTOOL BT260 Electrical Circuit Tester For Trucks
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Manual And Downloads
Manual And Downloads
Download the BT210 manual for safety warnings, product structure, four test modes, function keys, maintenance, warranty, and operation notes.
Click to enlargeAUTOOL BT210 Manual PDF
Open the PDF manual for BT210 setup, test mode switching, safe-use warnings, maintenance, and warranty information.
Download ManualNeed Compatibility Confirmation?
Contact AUTOOL Store before ordering if you need to confirm 9-30V DC compatibility, 12V / 24V vehicle use, circuit type, package contents, or model selection.
Questions And Answers
These answers cover voltage range, AC restrictions, test modes, continuity and polarity readings, temperature test, overload protection, vehicle compatibility, package contents, model selection, maintenance, and warranty.
BT210 is designed for 9-30V DC vehicle circuits. It is suitable for typical 12V cars, 24V trucks, motorcycles, and other compatible DC vehicle electrical systems within this range.
No. BT210 should not be used on alternating current circuits, and it should not be used on DC circuits greater than 30V.
BT210 supports four switchable modes: voltage test, continuity test, polarity test, and temperature test. Press the M key to switch between the four modes.
Voltage test is used to measure the voltage of the circuit under test. Use it only within the BT210 rated 9-30V DC range.
Continuity test can detect open-circuit, closed-circuit, virtual circuit, and real circuit conditions. If the indicator light is on, the circuit under test is closed or real. If the indicator light is off, the circuit under test is open or virtual.
In polarity test, the green light represents the positive pole and the red light represents the negative pole.
A temperature sensor is installed at the probe tip to detect the temperature of the designated contact point.
When the measured voltage is greater than 30V or the measured current is greater than 10A, BT210 starts self-protection to help reduce losses. Stop testing and confirm the circuit before continuing.
Sparks may appear on the probe during operation. Do not use BT210 around combustible gas, dust, or flammable and explosive atmospheres.
BT210 is suitable for cars, trucks, motorcycles, and other compatible vehicle electrical systems, as long as the circuit being tested is within the 9-30V DC range.
Refer to the Packing List image for the final package contents. The image shows the BT210 main unit with attached probe and cable, earth clamp / ground connection, user manual, and retail box.
BT210 is a compact 9-30V DC tester with voltage, continuity, polarity, temperature test, LED light, and about 1.1m wire length. BT160 is more entry-level, BT250 and BT260 add larger display and more measurement ranges, and BT280 adds advanced functions such as relay test, injector test, component activation, oscilloscope mode, multimeter mode, smart test, and online update.
Do not overload the equipment. Regularly check connected parts, tighten loose parts in time, avoid corrosive liquids, and store the tester in a dry place away from hot, humid, or non-ventilated conditions.
From the date of receipt, AUTOOL provides a 3-year warranty for the main unit, and the included accessories are covered by a 1-year warranty. For support, provide photos or video if a fault needs to be checked.
Warranty And Contact
Warranty And Contact
For BT210 voltage compatibility, AC/DC restrictions, test mode use, package contents, overload protection, product comparison, or warranty support, contact AUTOOL Store directly.
Pre-Sales And Product Support
Use support if you need help confirming whether BT210 is suitable for your vehicle circuit, whether a higher-end AUTOOL circuit tester is needed, or how to handle safety and warranty questions.
- 9-30V DC compatibility confirmation
- 12V car / 24V truck / motorcycle circuit use
- Voltage, continuity, polarity, and temperature test guidance
- Overload protection and safe-use confirmation
- Packing List and accessory confirmation
- BT160 / BT210 / BT250 / BT260 / BT280 model selection
- 3-year main unit warranty and accessory support
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