About DOVOH® LASER LEVEL

About Dovoh

Dovoh adjusted the balance weight from various directions to calibrate the laser line accuracy.

Leading Precision Laser Level Manufacturer | Est. 2014

With over a decade of excellence in professional laser levels, DOVOH has established itself as a premier manufacturer of high-accuracy professional levels. Our name embodies our commitment to precision—'D' for Distance, 'V' for Vertical, and 'H' for Horizontal.
Backed by a team of expert laser engineers, we maintain rigorous quality standards to ensure every tool meets the highest safety and performance benchmarks. Our flagship products include:
Professional 3D & 4D Self-Leveling Laser Levels
Professional-Grade Laser Receivers
DIY cross-line laser levels

Quality Assurance & Testing Process

Dovoh Precision & Quality Control

At DOVOH, excellence in manufacturing is our commitment. Our comprehensive quality control system ensures every laser level meets the highest standards of precision and reliability.

Manufacturing Excellence:
- Multi-stage precision calibration system throughout the production line
- Thorough accuracy verification for each unit: ±1/13 inch at 33 feet (±2mm/10m)
- Strict quality control at every production phase

Rigorous Testing Protocol:
- Precision Calibration Testing
- Accuracy validation: ±1/13 inch at 33 feet (±2mm/10m)
- Multi-point measurement verification
- Systematic error analysis

- Durability Testing
- IP54 dust and water resistance certification
- Extended button lifecycle testing
- Impact and shock resistance validation
- Transportation stress simulation

- Environmental Testing
- Temperature extremes performance
- Salt spray exposure resistance
- Accelerated aging simulation

Every DOVOH laser level passes through this comprehensive testing protocol before reaching our customers, ensuring unmatched reliability and precision for your professional needs.