Topcon DL-501 (DL501) With 32x Magnification 10,000 Points Internal Memory 27 Alphanumeric Keys

The Topcon DL-501 Digital Auto Level is a premium digital leveling instrument engineered for high-precision applications in construction, surveying, and infrastructure projects. Designed with industry-leading Wave-and-Read technology, the DL-501 delivers fast and reliable digital readings with minimal operator input. 

It features 32x magnification, ±0.2mm height accuracy per kilometer, and a fast 2.5-second measuring time, making it ideal for demanding tasks that require both speed and precision.

Built for professionals, the DL-501 is equipped with 10,000-point internal memory, RS-232C and USB communication, and a 27-key alphanumeric backlit keyboard for intuitive data input. 

The large backlit LCD ensures clear visibility in all lighting conditions. Rated IP54, this instrument performs consistently in dusty and wet environments, allowing for uninterrupted use on job sites.

Key Features

• 32x Optical Magnification: Crisp, clear sighting over long distances.
• Height Accuracy: ±0.2 mm/km (double-run), suitable for high-precision leveling.
• Distance Accuracy: ±10 mm at 10 meters for consistent distance measurements.
• Measuring Range: Up to 328 ft (100 m) with a single button press.
• Wave-and-Read Technology: Enables automatic, fast, and precise readings.
• Fast Measuring Time: Only 2.5 seconds for single, repeat, or average measurements.
• Advanced Compensator: Shock-resistant pendulum with magnetic damping system for stability.
• Dual-Axis Tilt Sensor: Ensures reliable leveling by detecting tilt in two directions.
• Backlit Graphic LCD Display: Clear readouts in all light conditions.
• Alphanumeric Keyboard: 27 backlit keys for easy, efficient data input.
• 10,000 Points Internal Memory: Stores extensive datasets for multiple projects.
• USB and RS-232C Ports: For easy data export and connectivity with external devices.
• Weather Resistant: IP54-rated for dust and water resistance.
• Rechargeable Battery: Up to 14 hours of field operation with the BDC58 Li-ion battery.

Technical Specifications

Ideal For

• Construction Layouts: Ensure precise elevation and distance on building sites.
• Civil Engineering Projects: Ideal for infrastructure requiring millimeter-level height accuracy.
• Topographic Surveys: Captures high-accuracy measurements over extended areas.
• Long-Term Data Collection: Large internal memory supports complex projects.

Benefits

• Exceptional Accuracy: Designed for high-precision requirements.
• Fast and Efficient: Wave-and-Read tech saves time and reduces human error.
• Data Management: Extensive internal memory with easy external backup options.
• User-Friendly Interface: Backlit keys and screen enhance usability in all light conditions.
• Built to Last: Durable build with IP54 protection for rugged environments.

Comparison Table: Topcon DL Series Models

Package Includes

• Topcon DL-501 Digital Auto Level
• Rechargeable Battery (BDC58)
• Battery Charger
• Carrying Case
• Instruction Manual

Frequently Asked Questions

What makes the DL-501 suitable for high-accuracy leveling?

It delivers ±0.2 mm/km accuracy with a 32x magnification telescope and automatic wave-and-read technology, ideal for precision tasks.

How many data points can the DL-501 store?

The DL-501 has a 10,000-point internal memory, sufficient for storing data across multiple projects.

Can I transfer data to a computer?

Yes, data can be exported using the USB port or RS-232C interface.

Is the keyboard backlit?

Yes, it features a 27-key alphanumeric keyboard with backlighting for low-light conditions.

How long does the battery last?

The included BDC58 rechargeable battery provides up to 14 hours of continuous use.