The quality of the equipment and level of service exceeded our expectations. GeoSurv Africa has become our preferred surveying solutions provider.
Sipho DlaminiSenior Surveyor
Designed for precise vertical alignment and positioning applications, this professional laser plummet delivers exceptional accuracy for construction, surveying, foundation work, shaft alignment, and infrastructure projects. Featuring high-visibility laser projection, powerful optics, and reliable field performance, it provides accurate upward and downward referencing in demanding environments.
Built for professionals who require precise vertical alignment and positioning, this advanced laser plummet combines high-accuracy optical performance with reliable laser technology to support a wide range of surveying and construction applications. It is ideal for foundation layout, tunnel construction, shaft alignment, building positioning, infrastructure development, and engineering projects where accurate vertical transfer of points is essential. The instrument features a 25x magnification telescope with an erect image system, providing clear target observation and improved measurement accuracy. With an upward measurement accuracy of 1/45000 and downward measurement accuracy of 1/2000, it delivers dependable results for critical alignment tasks. Equipped with a 635nm laser diode and adjustable output power, the laser remains highly visible through the eyepiece up to 70 metres while providing a laser range of up to 200 metres during cloudy conditions and 250 metres at night. The laser spot size remains compact, helping users maintain accurate positioning over long distances. Its robust construction is designed for demanding field environments, while the lightweight design and battery-powered operation ensure portability and convenience. Whether used for construction layout, surveying control points, vertical transfer applications, or engineering alignment projects, this laser plummet delivers the precision and reliability required by professionals.
| Feature / Specification | Details |
|---|---|
| Upward Measurement Accuracy | 1/45000 |
| Downward Measurement Accuracy | 1/2000 |
| Bubble Accuracy | 20″ / 2 mm |
| Image | Erect |
| Magnification | 25X |
| Field of View | 1°50′ |
| Effective Aperture | 36 mm |
| Minimum Focus Distance | 0.8 m |
| Wave Length | 635 nm |
| Laser Diode | 10 mW |
| Visible from Eyepiece | 70 m |
| Laser Range | Cloudy Day ≥ 200 m, Night ≥ 250 m |
| Laser Spot Size | ≤ 3 mm / 50 m |
| Accuracy | ≤ 5″ |
| Focus Range | 0.5 m and Above |
| Output Power | ≥ 0.1 mW (Adjustable) |
| Battery | 2 × 1.5V AA Alkaline Batteries or Rechargeable Batteries |
| Working Temperature | -10℃ to +45℃ |
| Weight | 2.8 kg |
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The JC300 is used for vertical alignment, foundation layout, shaft alignment, tunnel construction, surveying control points, and precision positioning applications.
The JC300 features a 25x magnification telescope that provides clear and accurate target observation.
The laser range is up to 200 metres in cloudy conditions and up to 250 metres at night.
The instrument provides upward measurement accuracy of 1/45000, downward measurement accuracy of 1/2000, and angular accuracy of up to 5 seconds.
The JC300 is commonly used in construction, civil engineering, surveying, infrastructure development, mining, and industrial alignment projects.
