Description
Product Overview
The KairDa Surface Roughness Gauge is a compact digital instrument designed for precise measurement of aluminum mold surfaces. Measuring 2.76 x 0.94 x 4.17 inches and weighing only 7.05 ounces, it combines portability with robust performance. A high‑speed DSP processor handles data calculation, while the OLED color LCD delivers clear, wide‑angle readings even in bright environments. The device includes a built‑in lithium‑ion battery that charges via a standard USB port, offering long operation time and quick recharge cycles. Anti‑electromagnetic interference design ensures stable measurements in industrial settings.
![[Product front view showing all components]](https://www.frozenyogurtzone.store/wp-content/uploads/2026/05/3299963f2e894c24814536781b5d5b21.jpg)
Usage
Designed for engineers, technicians, and quality‑control personnel, this gauge excels in workshop, factory floor, and field environments where aluminum mold profiles must be inspected quickly. Its intuitive interface lets users select measurement modes and view real‑time data without extensive training. The rechargeable battery and USB charging make it suitable for on‑site inspections, while the durable housing protects against drops and dust.
Why Choose Us
KairDa’s commitment to precision engineering is reflected in the gauge’s low‑noise DSP core and anti‑interference shielding, delivering reliable results where other tools may falter. The OLED display remains legible under direct light, and the automatic shutdown conserves power. Backed by a responsive support team, customers receive prompt assistance and warranty service, reinforcing confidence in long‑term performance.
Key Features
- High‑brightness OLED LCD provides clear readings in any lighting condition.
- Anti‑electromagnetic interference design ensures stable measurements on busy shop floors.
- Rechargeable lithium‑ion battery offers extended use and short USB charging time.
- Compact, lightweight form factor makes it easy to carry between workstations.
- Dedicated customer support and warranty service for peace of mind.
FAQ
How long does the battery last on a single charge?
The lithium‑ion battery provides up to 8 hours of continuous operation, depending on usage intensity.
Can the device be used while charging?
Yes, the gauge operates normally while connected to a USB power source, allowing uninterrupted measurements.
What is the measurement accuracy?
The gauge delivers accuracy within ±0.5 µm for surface roughness, suitable for most industrial mold applications.
Is calibration required?
Factory calibration is included; periodic user calibration is recommended for optimal precision.
What warranty does KairDa provide?
A one‑year limited warranty covers manufacturing defects, with optional extended service plans available.




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