Description

Double Prism Optical Square in Bangladesh

The Double Prism Optical Square in Bangladesh comprises two high-quality pentaprisms made of optical glass, securely housed in a durable aluminum casing. This essential surveying tool allows fast and accurate right-angle sighting (90° alignment) for construction, land measurement, total station setups, and field alignment tasks.

 

Specifications

Parameter	Details
Number of Prisms	2 (Double Prism)
Measurement Angle	90° (Right Angle)
Material	Precision Optical Glass + Aluminum Body
Accuracy	±30″ (arc seconds)
Weight	Approx. 250 g
Dimensions	Approx. 60 mm diameter
Carrying Case	Included
Application	Land Surveying, Construction Layout
Standard	ISO / International Surveying Standard
Country of Origin	china

 

Key Features

1. The instrument incorporates two precision-ground optical prisms for accurate 90° angle measurement.
2. The manufacturer uses a compact and lightweight aluminum housing, making fieldwork easy.
3. The dual prism design enables both forward and lateral sighting simultaneously.
4. The manufacturer applies a durable and scratch-resistant optical coating to all prism surfaces.
5. The manufacturer includes a protective carrying case so users can safely store and transport the instrument.
6. The instrument supports simple point-and-sight operation and requires no batteries or power source.
7. The product meets international quality standards and assures a long service life.

• Applications

  • Surveyors perform right-angle layout on construction sites and building foundations.
  • Engineers set out perpendicular baselines during road and highway construction surveys.
  • Surveyors establish rectangular plot boundaries in land subdivision surveys.
  • Surveyor’s measure right-angle offsets from the baseline during topographic surveys.
  • Technicians verify accurate 90° angles during pipeline and drainage installation.
  • Civil engineers conduct field layout for structural alignment.

 

 

• Who Uses This

  The Double Prism Optical Square serves a wide range of professionals:

  • Land Surveyors – They set out right angles quickly and accurately in field surveys.
  • Civil Engineers – They establish construction baselines and perpendicular alignments on site.
  • Construction Supervisors – They verify building corners and layout points on site.
  • Road & Highway Engineers – They take offset measurements from road centerlines.
  • Government Survey Departments – They carry out cadastral and boundary surveys.

  Survey Students & Trainers – They conduct practical training using this fundamental instrument.

 

 

Frequently Asked Questions-(FAQ)

Q1: What do professionals use a Double Prism Optical Square for?
>>t=”183″ data-end=”186″ />>Surveyors and engineers use a Double Prism Optical Square to set out accurate 90° angles and perpendicular lines in land surveying and construction layout work.

Q2: How does a Double Prism Optical Square differ from a Single Prism Optical Square?

Q3: Do users need special training to operate this instrument?
Users do not need special training. They simply hold the instrument at eye level and sight through the prisms. However, basic surveying knowledge helps them achieve the best results.

Q4: Can professionals use this instrument in Bangladesh’s field conditions?
/>Yes. The manufacturer designs the instrument for outdoor fieldwork, and its durable aluminum body and coated optical glass withstand the climatic and terrain conditions found across Bangladesh.

Q5: Does the manufacturer include a carrying case with the Double Prism Optical Square?
/>Yes. The manufacturer includes a protective carrying case with every Double Prism Optical Square so users can safely store and transport the instrument between survey sites.

Q6: Can builders use this instrument for building layout?
Yes. Builders and surveyors use this instrument to set out accurate right-angle corners for buildings, walls, and foundations during construction layout.

 

 

• Why Buy from astzbd?

  astzbd stands as one of Bangladesh’s most trusted suppliers of professional surveying, engineering, and scientific instruments. The company offers the following benefits to every customer:

  • Genuine Products – astzbd supplies only authentic, quality-certified instruments.
  • Competitive Pricing – The company maintains fair and transparent pricing for all products.
  • Nationwide Delivery – astzbd delivers orders across all districts of Bangladesh.
  • Expert Support – The knowledgeable support team provides technical assistance before and after purchase.
  • Wide Product Range – The company stocks a comprehensive selection of surveying instruments.
  • After-Sales Service – astzbd offers reliable after-sales support to all customers.
  • Trusted by Professionals – Engineers, surveyors, and institutions across Bangladesh trust astzbd.