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DE-MOUNTABLE MECHANICAL STRAIN GAUGE AZA1170
The AZA 1170 De-Mountable Mechanical Strain Gauge is a precision instrument designed for accurate strain measurement on concrete, rock, steel, and composite specimens. Built in full compliance with ASTM D5335, this mechanical gauge offers high-resolution deformation monitoring for both laboratory and field applications where reliability, repeatability, and portability are critical.
Unlike bonded electrical strain gauges, the AZA 1170 is reusable and non-intrusive, requiring no adhesive, wiring, or power supply. It attaches to pre-installed gauge studs and measures deformation mechanically via a micrometer-style dial gauge with an accuracy of ±0.002 mm. This makes it ideal for temporary measurements, comparative strain evaluations, and multi-point deformation studies across multiple specimens.
Engineers and researchers use this instrument widely in uniaxial/triaxial compression testing, tensile tests, rock mechanics, material durability studies, and structural health assessments in dams, tunnels, bridges, and underground structures. Its rugged yet lightweight design enables quick installation, stable readings, and efficient workflow during intensive testing cycles.
The AZA 1170 features an adjustable gauge length from 50 mm to 200 mm, with optional extension arms and interchangeable dial indicators to suit various testing protocols. All components are machined from corrosion-resistant aluminum alloy or stainless steel, ensuring dimensional stability even under harsh environmental conditions.
The system includes a calibration bar, mounting tools, and a protective carry case, enabling users to maintain accuracy and safely transport the device between field and laboratory sites.
Description
Key Features & Benefits
ASTM D5335 Compliant
Ensures standardized, highly accurate strain measurements for concrete, rock, and structural materials.
High-Precision Mechanical Measurement
Micrometer-type dial indicator with ±0.002 mm accuracy for reliable deformation readings.
Reusable & Non-Intrusive
No bonding, wiring, or power supply required; attaches directly to gauge studs for repeat measurements.
Adjustable Gauge Length
Covers 50 mm to 200 mm applications with optional extensions.
Rugged & Lightweight Build
Crafted from aluminum alloy or stainless steel; suitable for demanding lab and field conditions.
Portable & Efficient
Quick to mount, quick to read, and ideal for multi-point monitoring during testing.
Applications
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Concrete & rock deformation testing
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Structural strain monitoring
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Geotechnical and tunnel instrumentation
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Steel tensile and compression testing
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Uniaxial and triaxial loading studies
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Material research laboratories
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Field engineering surveys
Specifications
| Feature | Description |
|---|---|
| Model | AZA 1170 – De-Mountable Mechanical Strain Gauge |
| Standard | ASTM D5335 |
| Gauge Length Range | 50 mm to 200 mm (adjustable) |
| Accuracy | ±0.002 mm |
| Dial Indicator Type | Micrometer-style mechanical dial |
| Frame Material | Aluminum alloy / Stainless steel |
| Weight | < 1.5 kg (approx.) |
| Mounting Method | Clamp-on using gauge studs |
| Suitable Materials | Concrete, steel, rock, composites |
| Supplied Accessories | Carry case, calibration bar, mounting tools |
Frequently Asked Questions (FAQ)
Q1: How is this different from electronic strain gauges?
Mechanical gauges are reusable, require no bonding or electricity, and provide dial-based readings. Electronic gauges are permanent, wired, and require complex data acquisition systems.
Q2: Can it be used in field environments?
Yes. The robust frame and portability make it ideal for on-site testing in tunnels, mines, bridges, and dams.
Q3: Is calibration needed?
A quick check using the provided calibration bar is recommended before each session.
Q4: Can I measure multiple locations on the same specimen?
Yes. Install multiple gauge studs and reposition the gauge as needed.
Q5: Is it compliant with ASTM standards?
Yes, it complies with ASTM D5335, the standard for mechanical strain measurement.
Additional information
| Model |
De-Mountable Mechanical Strain Gauge |
|---|---|
| Standard |
ASTM D5335 |
| Gauge Length Range |
50 mm to 200 mm (adjustable) |
| Measurement Accuracy |
±0.002 mm |
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