Circuit Tester Manufacturer,Supplier and Exporter in India
Product Code : EL-AELE-9402
Jlab Export is a leading Circuit Tester Manufacturer,and suppliers in India
Touch this circuit tester to a point in a vehicle wiring circuit and it lights up if voltage is there. It is a power-on type, so it takes its power from the circuit being tested. It works on approx. 6, 12 and 24 V circuits. The tester is approx. 135 mm long and its cable ends in an insulated alligator clip.
Specifications
| Type | Power-on, powered by the circuit under test |
| Circuits tested | Approx. 6, 12 and 24 V |
| Length | Approx. 135 mm |
| Lead | Cable with insulated alligator clip |
| Minimum order quantity | 5 units |
| Dispatch time | Usually 7–10 working days |
| Manufacturer | JLab (Jain Laboratory Instruments Pvt Ltd), Ambala, India |
Fault-Finding Practicals on Wiring Trainers
On the Automotive Lighting Circuit trainer, students clip the lead to earth and probe a circuit step by step from the fuse to the lamp. The tester lights at every point up to a break and stays dark after it, which locates an open circuit. Probing both sides of each fuse shows a blown one without pulling it out.
The Automotive Electrical Circuit trainer adds starter, solenoid, relay and horn circuits for the same method. Students then read the same points with a Digital Multimeter. The meter shows the actual voltage, including the small loss across a dirty joint that a test light cannot show.
Frequently Asked Questions
What does power-on type mean?
The tester has no battery of its own. The circuit under test powers it, so it only responds on a live circuit. To check continuity in a circuit with the power off, use a multimeter on its continuity range.
How do I check for a bad earth?
Clip the lead to the battery positive terminal and touch the probe on the earth point or the earth side of the part. A bright light means the earth path is good. A dim light or no light means the earth connection is poor or broken.
Can it be used on 24 V truck and bus circuits?
Yes. It is made for approx. 6, 12 and 24 V circuits. That covers older 6 V systems, cars and light vehicles on 12 V, and heavy vehicles that run on 24 V.
Is it safe to use on engine computer or airbag circuits?
Keep a test light off sensor, control unit and airbag circuits. It draws far more current than a digital meter and can damage electronic parts or trigger an airbag. Use a high-impedance digital multimeter on those circuits instead.
Why does the light glow dimly at some points?
A dim glow means some voltage reaches that point, but less than the supply. A corroded joint, loose terminal or part-broken wire upstream is the usual cause. Work back along the circuit until the light is bright again to find it.
Other Electrical Test Equipment
- Hand Held Tune-Up Analyzer
- Automotive Electronic Circuit
- Ignition and Charging System
- Battery Load Tester
For a quote, use Add To Cart or send us a message through the contact page.
Last updated: 5 November 2026
