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Help CenterPortable YHJ‑100J(A) Coal Mine Laser Rangefinder, Class 2 Red Laser With Addition Subtraction Calculation Function
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YHJ-100J(A) Mining Intrinsically Safe Laser Rangefinder
The YHJ-100J(A) mining intrinsically safe laser rangefinder utilizes a dedicated chip and incorporates an intelligent optoelectronic design. It is a high-precision, multi-functional length measurement instrument that can directly or indirectly measure distance, area, and volume. Its measurements are accurate and it is easy to use.
This product is suitable for distance measurement in work environments with flammable and explosive gas mixtures, and can also be widely used in industries such as construction, decoration, property management, transportation, fire protection, landscaping, urban planning, city appearance management, water conservancy inspection, and power maintenance for measurement purposes.
Technical parameters
Range |
0-100m |
Accuracy (mm) |
±10mm |
Single measurement |
√ |
Continuous measurement |
√ |
Area measurement |
√ |
Volume measurement |
√ |
Direct Pythagorean theorem |
√ |
Indirect Pythagoras① |
√ |
Indirect Pythagoras② |
√ |
Auto Horizontal Measurement |
√ |
Auto vertical Measurement |
√ |
Addition and subtraction |
√ |
Angle sensor |
√ |
Bluetooth |
Optional |
Measurement reference |
Front / Tripod screw hole / Rear reference |
Measurement unit |
m/ft/in/ft+in |
Auto power off |
3 minutes without operation |
Screen type |
2.0-inch LCD |
Protection grade |
IP65 |
Explosion-poof type |
Ex ia I Ma |
Laser class |
Class 2 |
Red |
Red light 490~670nm，＜1mW |
Battery type |
3pcs AAA batteries (nickel-metal hydride rechargeable batteries) |
Operating temperature |
0℃~+40℃ |
Storage temperature |
-40℃~60℃ |
Size(mm) |
115*49*26 |
Weight(g) |
140 |
Our Services
Company Information
ASTTAR - a high-tech enterprise, founded in 1995, is engaged in the development and production of software and hardware products in the professional field of safety emergency, it has six series and over a hundred types of products, its sales network covers the whole country, and its products are exported to dozens of countries and regions.
The company has a sound management system, has established a safety production management system with quality management as its core, it has passed ISO9001 quality management system, ISO14000 environmental quality management system, and OHSAS18001 occupational health and safety management system certifications, and has been awarded the title of "Shaanxi Province Quality Service Credit AAA-level Unit".
The company initiated the establishment of "Shaanxi ASTTAR Incubator Co., Ltd.", " Shaanxi Safety Industry MetrologyTesting Co., Ltd.", and "Shaanxi Province Safety Industry Research Institute Co., Ltd.", and created a safety emergency industry supporting service system with ASTTAR as the core, devoting to creating an industry ecological industry chain, and striving to build ASTTAR into a respected international and professional company.
Certificate Showcase
We mainly export products of three categories:
1. Mining underground rescue product
2. Mining explosion-proof lamp
3. Mining explosion-proof instrument and meter
Our main products:
1. Mining self rescuer
2. LED miner's cap lamp
3. LED Flame-proof laneway lamp
4. Mechanical and electronic anemometer
5. Isolated positive pressure oxygen breathing apparatus
6. Automatic resuscitator
7. Optical interference type methane detector
8. Portable multi-parameter gas detector
9. Infrared thermometer
10. Laser distance meter
11. Laser guider
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