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| Categories | Contact Resistance Testing |
|---|---|
| Brand Name: | HKVTest |
| Place of Origin: | wuhan |
| Model: | HZ-SHL |
| Measurement Resolution: | 0.01μΩ |
| Measurement Accuracy: | ±0.5% ±1μΩ |
| Delivery Time: | within 3 days |
| Test Duration: | 1s / 5s / 10s / 30s / 60s adjustable |
| MOQ: | 1 |
| Payment Terms: | T/T |
| Output Current: | 30A, 50A, 80A, 100A 200A optional gears |
| Model Number: | 100A/200A |
| Company Info. |
| Wuhan HKV test Electrical Equipment Manufacturing Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
The Handheld Loop Resistance Tester is a portable high-precision instrument designed for measuring the contact resistance and loop resistance of circuit breakers, disconnect switches, switchgear, busbar joints, and other conductive electrical connections.
Using a stable DC output current of up to 100A, the tester accurately measures ultra-low resistance values to evaluate contact quality, detect poor electrical connections, and prevent overheating or equipment failure. It's widely used in substations, power plants, electrical utilities, industrial facilities, equipment manufacturers, and testing laboratories.
Technical Parameters
| Parameter | Specification |
|---|---|
| Output Current | 30A / 50A / 80A / 100A selectable |
| Measurement Range | 0–5mΩ @100A; 0–10mΩ @80A; 0–20mΩ @50A; 0–50mΩ @30A |
| Measurement Resolution | 0.01μΩ |
| Measurement Accuracy | ±0.5% ±1μΩ |
| Test Duration | 1s / 5s / 10s / 30s / 60s |
| Maximum Output Power | 200W |
| Battery | Built-in 12.6V rechargeable lithium, 600+ tests per charge |
| Display | 7-inch full-color touchscreen |
| Data Storage | 1000 test records |
Application Scenarios
Key Features
High-Precision Measurement
Measures extremely low contact resistance with a resolution of
0.01μΩ, ensuring reliable evaluation of electrical contacts.
Powerful 100A Test Current
Selectable output currents of 30A, 50A, 80A, and 100A meet
different testing standards and application requirements.
Portable Field Operation
Compact handheld design with a built-in rechargeable lithium
battery supports more than 600 tests on a single charge, suited to
outdoor maintenance.
DC Voltage Drop Method
A stable DC current is injected into the tested conductor while the
voltage drop across the contact is measured; resistance is
calculated via Ohm's Law (R = U/I), minimizing contact interference
for accurate low-resistance readings.
Intelligent Data Management
Stores up to 1000 groups of measurement data for review, analysis,
and report generation.
Reliable Safety Protection
Built-in open-circuit protection, overheat protection, and
intelligent power management.
OEM/ODM Customization
Logo & Branding
Your company logo and branding can be applied to the unit and its
interface.
Appearance & Case Color
Case color and exterior finish can be adjusted to match your brand
or product line.
Functional Parameters
Output current options, test duration settings, and other
functional configurations can be customized to your specification.
Software UI & Language
Touchscreen interface language and layout can be customized for
your target market.
MOQ & Lead Time
MOQ of 1 unit for logo/appearance customization. Lead time is
standard production plus 1–2 weeks for customized units.
Get Your Loop Resistance Tester Solution
Tell us your requirements and our engineers will recommend the right configuration.
Why Choose HKVTEST
HKVTEST is a National High-Tech Enterprise with over 16 years of experience manufacturing electrical testing equipment, holding 10+ patents. Every unit is factory-calibrated, tested, and inspected before shipment, backed by a 2-year warranty, lifetime technical support, and OEM/ODM customization. We've supplied testing equipment to customers across Rwanda, Tanzania, the Philippines, Vietnam, and India.
FAQ
What is a loop resistance tester used for?
It measures the contact resistance of circuit breakers, disconnect switches, switchgear, busbars, and other electrical connections to evaluate conductive performance and safety.
Why is a 100A testing current important?
Higher testing current reduces measurement error caused by contact oxidation and provides more accurate resistance values in accordance with industry testing standards.
Is this tester suitable for outdoor field testing?
Yes. The built-in rechargeable battery, lightweight handheld design, and rugged construction make it suited to field maintenance work.
Does it support report printing?
Yes. An optional Bluetooth printer is available for wireless printing of test reports.
Contact Us
Need Professional Advice?
Our engineers can recommend the right equipment configuration based
on your test object, required resistance range, and site
conditions. Contact us for technical recommendations and product
selection assistance.
WhatsApp: +86 180 7153 1810
Email: fionahuang60@gmail.com
Website: www.hkvtest.com
About HKVTEST
HKVTEST is the global brand of Wuhan Hongzhi Gaocetest Electrical Technology Co., Ltd., a National High-Tech Enterprise with over 16 years of experience in electrical testing equipment R&D and manufacturing, holding 10+ patents.
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