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In the world of metal fabrication, quality control, and non-destructive testing (NDT), a material’s hardness is the single most critical indicator of its strength, wear resistance, and structural integrity. Yet, for decades, testing this property often meant cumbersome bench machines, destructive indentations, or relying on less accurate rebound methods for on-site assessment.
Today, that paradigm shifts entirely.
Multitek Technologies, India’s trusted leader in metallurgy and
metrology equipment, proudly presents the UCI Hardness Tester—a
powerhouse of precision and portability. Designed to meet the rigorous demands
of modern manufacturing, this Ultrasonic Contact Impedance (UCI) device
delivers laboratory-grade accuracy directly to your shop floor, construction
site, or inspection area.
If your work involves complex geometries, thin layers, fine-grained
materials, or delicate surface treatments, the Multitek UCI Hardness Tester
isn't just an upgrade—it's a necessity.
1. The UCI Advantage: The
Future of Non-Destructive Hardness Testing
The challenge with traditional hardness testing methods—Rockwell,
Brinell, and conventional Vickers—is twofold: they are often destructive,
leaving large, unsightly indentations, and they are generally bench-top
systems, making field testing impractical. The Leeb (rebound) method, while
portable, relies on indirect measurement, leading to potential inaccuracies on
lighter or smaller parts.
The Multitek UCI Hardness Tester leverages the innovative Ultrasonic
Contact Impedance (UCI) principle, a sophisticated NDT technique that
solves these problems simultaneously.
How Ultrasonic Contact
Impedance Works
The UCI method, standardized under ASTM A1038 and DIN 50159, is
essentially a modified Vickers test performed ultrasonically.
- Vibrating
Indenter: The probe tip holds a 136-degree Vickers
diamond attached to an oscillating rod.
- Fixed
Load Application: A specific, low-force
load (ranging from 1N up to 100N, depending on the probe) is applied to the
test surface.
- Frequency
Shift Measurement: When the diamond
indents the material, the contact area changes the resonance frequency of
the oscillating rod. The magnitude of this frequency shift is directly
proportional to the material's hardness.
- Instant
Digital Readout: The integrated microprocessor instantly
calculates the hardness value based on this shift and the material’s
Young’s modulus.
The result is a test that leaves a microscopic indentation, virtually
invisible to the naked eye. This makes the Multitek UCI Tester perfect for
finished parts, polished surfaces, sensitive aerospace components, and areas
where visual damage is unacceptable.
2. Unmatched Portability
and Ergonomic Design
Multitek Technologies engineered this device for the real world—the
often-harsh environments of industrial production. It is a handheld,
battery-powered instrument that eliminates the need for heavy test stands and
fixed fixtures.
Freedom of Mobility
The core benefit is its unparalleled portability. The compact,
lightweight design ensures that inspectors and engineers can easily transport
the unit, making on-site analysis a reality. You can conduct comprehensive
hardness assessments in minutes, whether you're climbing a pressure vessel or
working on an installed pipeline, dramatically reducing downtime and
streamlining quality assurance.
Key Operational Features:
- Rapid
Digital Readout: Hardness values are displayed almost instantly,
typically within 1 to 2 seconds, boosting inspection efficiency far
beyond traditional optical measurement methods.
- Intuitive
Interface: The large, high-resolution color screen
provides clear, immediate display of measured values, statistical data
(MAX/MIN/AVG), and scale conversions.
- 360°
Measurement: Unlike certain Leeb testers, the UCI method
allows for reliable hardness measurements in any direction,
including vertically and inverted.
- Extended
Battery Life: Powered by a rechargeable lithium battery
(4800mAh), the unit offers extended continuous operation, ensuring it
lasts through long shifts in the field.
3. Technical Prowess:
Versatility in Scales and Probes
The Multitek UCI Hardness Tester is a versatile metrology tool, offering
a depth of functionality required by complex industrial operations.
Comprehensive Multi-Scale
Support
One of the tester’s greatest assets is its ability to measure and
automatically convert hardness across all major industrial scales directly on
the device:
- HV (Vickers)
- HB (Brinell)
- HRC (Rockwell C)
- HRB
(Rockwell B)
- HRA
(Rockwell A)
- MPa (Megapascal / Tensile Strength)
This eliminates the time and error associated with manual look-up tables
and ensures compliance with international testing standards.
The Power of Adaptable
Probes
The system’s flexibility is defined by its interchangeable probe
options, allowing you to optimize the test force for any material or
application:
|
Probe Type |
Test Force Range |
Ideal Application |
Key Benefit |
|
Manual Probes |
10N, 50N, 100N (1kgf, 5kgf, 10kgf) |
General machined surfaces, larger forgings, castings, robust
components. |
Higher load ensures stable reading on slightly rougher surfaces. |
|
Motorized Probes |
1N, 3N, 8.6N (0.1kgf, 0.3kgf, 0.86kgf) |
Ultra-thin layers, fine parts, polished surfaces, delicate bearings,
precision work. |
Enhanced Accuracy and Consistency by ensuring precise,
motor-controlled load application, eliminating operator influence. |
Testing Materials Never
Before Possible
The UCI method excels where other portable testers fail:
- Thin
Materials: The low-force, microscopic indentation allows
for accurate measurement on materials with a minimum thickness as low
as 1 mm (0.04”), far below the limits of Leeb testers.
- Small
Parts: The requirement for minimum sample weight is
drastically reduced, enabling the testing of small forgings, fasteners,
and intricate machine components.
- Surface
Hardening: It is the perfect tool for measuring the hardness of surface-treated layers, such as those created by nitriding,
carburizing, or induction hardening, without damaging the underlying
substrate.
4. Essential Applications
Across Critical Industries
The Multitek UCI Hardness Tester is trusted by quality professionals
across the most demanding sectors, providing the assurance that every component
meets rigorous safety and performance standards.
Automotive and Aerospace
Manufacturing
In the high-stakes world of transport and flight, component integrity is
non-negotiable. The UCI tester is indispensable for:
- Gear
and Shaft Inspection: Precision testing of
the flank and root of gear teeth.
- Engine
Components: Non-destructive testing of thin-walled pipes,
cylinders, and complex aerospace turbine rotors.
- Bearing
Surfaces: Using low-force motorized probes for the most
accurate and consistent measurement on smooth, polished bearing raceways. Learn More about Digital Micro Vickers hardness Tester
Weld Inspection and
Fabrication (HAZ Analysis)
Weld seams and their adjacent Heat-Affected Zones (HAZ) are the most
vulnerable points in fabricated structures. The UCI method is uniquely suited
for:
- Confined
Spaces: Its slim probe design allows access to
testing points in deep grooves, corners, and difficult-to-reach weld
joints.
- Precise
HAZ Mapping: Allows engineers to take highly localized
hardness readings across the weld, HAZ, and parent metal for detailed
structural integrity reports.
Molds, Dies, and Tooling
Maintaining the quality of industrial tooling is crucial for production
uptime. The UCI tester quickly verifies the hardness of:
- Stamping
dies, forming tools, and molds.
- Machined
surfaces and fine-grained materials.
- Irregular
planes and convex marks that challenge traditional methods.
5. The Multitek Technology
Advantage: Built for India
NABL-Certified Quality and
Compliance
Multitek Technologies operates a NABL-certified laboratory,
ensuring that every instrument is calibrated and verified to the highest
national and international standards. The UCI tester itself complies with major
global metrology standards, including ASTM A1038 and DIN 50159. This
commitment to certification guarantees reliable, traceable, and legally
compliant results for any global contract or internal QA process.
Dedicated Nationwide
Support
Multitek is committed to reliable after-sales service across India's
industrial hubs.
- Nationwide
Service Network: Access to timely maintenance, repair, and
calibration services.
- Ready
Stock: Fast delivery and shorter lead times across
India, minimizing delays in your procurement and deployment.
- Local
Expertise: Our team of experts provides specialized support and calibration procedures optimized for the materials and
environments specific to Indian manufacturing.
In the pursuit of perfect quality, there is no room for approximation.
The Multitek UCI Hardness Tester is the definitive tool that bridges the gap
between the lab and the field, offering non-destructive precision for parts
large and small, simple and complex.
🚀 Take Control of Your Quality Assurance
Elevate your quality control processes with the industry's leading
portable ultrasonic hardness tester. Stop sacrificing accuracy for portability.
Discover the precision, speed, and versatility of the Multitek UCI
Hardness Tester today.
Visit the Official Multitek UCI Hardness Tester Page for
Detailed Specifications
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