Instruments and Meters


YHJ30 Mining Intrinsically Safe Laser Directional Instrument

Utilizing a semiconductor laser as the light source and incorporating embedded microcontroller-based intelligent control technology, it can simultaneously or individually project up to 16 laser lines—both horizontal and vertical.

YHJ-100J(A) Intrinsically Safe Laser Distance Meter for Mining Applications

Featuring a dedicated smart chip, an integrated optomechanical and electrical intelligent design, and an LCD display, this device enables long-distance measurement of target objects, as well as precise calculations of their length, area, and volume.

YHJ-200J(B) Intrinsically Safe Laser Distance Meter for Mining Applications

Featuring a dedicated smart chip, an integrated optomechanical and electrical intelligent design, and an LCD display, this device enables long-distance measurement of target objects, as well as precise calculations of their length, area, and volume.

YHJ800 Intrinsically Safe Laser Alignment Device for Coal Mines

It features low power consumption, long lifespan, excellent beam quality, as well as overcurrent, overvoltage, and short-circuit protection, four-way fine angle adjustment, and simple operation.

YHJ800(A) Intrinsically Safe Laser Alignment Device for Coal Mines

It features low power consumption, long lifespan, excellent beam quality, as well as overcurrent, overvoltage, and short-circuit protection, four-way fine angle adjustment, and simple operation.

YRH550 Mining Intrinsically Safe Infrared Thermal Imager

Utilizing infrared detection and optical imaging principles, along with embedded microcontroller-based intelligent control technology, this device converts invisible infrared energy into visible images, enabling non-contact, rapid measurement of an object's surface temperature distribution.

YSD130 Mining Noise Detector

Utilizing microprocessor technology and an LCD display, it can detect the noise level in the working environment in real time.

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