Telescope Specifications for DL-502
- Magnification: 32X
- Objective Aperture: 45mm (1.78in.)
- Resolving Power: 3”
- Field of view: 1°20”
- Minimum Focus: 5.0ft. (1.5m)
- Image: Erect
- Stadia Ratio: 100
Telescope Specifications for DL-503
- Magnification: 28X
- Objective Aperture: 36mm (1.42in.)
- Resolving Power: 3.5”
- Field of view: 1°20”
- Minimum Focus: 5.0ft. (1.5m)
- Image: Erect
- Stadia Ratio: 100
Compensator Specifications for DL-502
- Type: With magnetic damping system
- Working range: ±15’
Compensator Specifications for DL-503
- Type: With magnetic damping system
- Working range: ±15’
Height Measurement Specifications for DL-502
- Accuracy: standard deviation for 1km
- Electronic Reading (Invar): 0.6mm
- Elect. Reading (Fiberglass): 1.0mm
- Optional reading: 1.0mm
- Measuring range: 5.3 to 328ft.
- Measuring time (Fine): 3 sec.
- Measuring time (Tracking): 1 sec.
- Least count: 0.0001/0.001m
- Minimum brightness cond.: 20lx. at the staff surface
Height Measurement Specifications for DL-503
- Accuracy: standard deviation for 1km
- Electronic Reading (Invar): 0.8mm
- Elect. Reading (Fiberglass): 1.5mm
- Optional reading: 2.0mm
- Measuring range: 5.3 to 328ft.
- Measuring time (Fine): 3 sec.
- Measuring time (Tracking): 1 sec.
- Least count: 0.0001/0.001m
- Minimum brightness cond.: 20lx. at the staff surface
Distance Measurement (D) Specifications for DL-502
- Accuracy (D 10m): ±0.4in. (±10mm)
- Accuracy (10m < D 50m): ±0.1%×D
- Accuracy (50m < D): ±0.2%×D
- Least count: 0.01/0.1m, 0.1/1ft., 1in.
Distance Measurement (D) Specifications for DL-503
- Accuracy (D 10m): ±0.4in. (±10mm)
- Accuracy (10m < D 50m): ±0.1%×D
- Accuracy (50m < D): ±0.2%×D
- Least count: 0.01/0.1m, 0.1/1ft., 1in.
User Interface Specifications for DL-502
- Display: 128×32 dot matrix LCD
- Keyboard: 8 keys
- Circular level sensitivity: 10’/2mm
User Interface Specifications for DL-503
- Display: 128×32 dot matrix LCD
- Keyboard: 8 keys
- Circular level sensitivity: 10’/2mm
Measurement Program Specifications for DL-502
- Details: Single/Continuous/Average/Elevation
Measurement Program Specifications for DL-503
- Details: Single/Continuous/Average/Elevation
Data Storage Specifications for DL-502
- Internal memory: 2,000 points
- Job: Max. 20 jobs
- Data output format: CSV
- Interface: RS-232C
Data Storage Specifications for DL-503
- Internal memory: 2,000 points
- Job: Max. 20 jobs
- Data output format: CSV
- Interface: RS-232C
Environmental Specifications for DL-502
- Water resistance: IPX4 (IEC 60529:2001)
- Operating temperature: -20°C to 50°C
- Storage temperature: -40°C to 70°C
Environmental Specifications for DL-503
- Water resistance: IPX4 (IEC 60529:2001)
- Operating temperature: -20°C to 50°C
- Storage temperature: -40°C to 70°C
Other Specifications for DL-502
- Power supply: BDC46B (Li-ion battery, 7.2V)
- Operating time: Approx. 16 hours
- Weight (including battery): 5.3lb. (2.4kg)
- Size (D x W x H): 10.1×6.2×7.2in.
Other Specifications for DL-503
- Power supply: BDC46B (Li-ion battery, 7.2V)
- Operating time: Approx. 16 hours
- Weight (including battery): 5.3lb. (2.4kg)
- Size (D x W x H): 10.1×6.2×7.2in.
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- Technical Specifications
-
Telescope Specifications for DL-502
- Magnification: 32X
- Objective Aperture: 45mm (1.78in.)
- Resolving Power: 3”
- Field of view: 1°20”
- Minimum Focus: 5.0ft. (1.5m)
- Image: Erect
- Stadia Ratio: 100
Telescope Specifications for DL-503
- Magnification: 28X
- Objective Aperture: 36mm (1.42in.)
- Resolving Power: 3.5”
- Field of view: 1°20”
- Minimum Focus: 5.0ft. (1.5m)
- Image: Erect
- Stadia Ratio: 100
Compensator Specifications for DL-502
- Type: With magnetic damping system
- Working range: ±15’
Compensator Specifications for DL-503
- Type: With magnetic damping system
- Working range: ±15’
Height Measurement Specifications for DL-502
- Accuracy: standard deviation for 1km
- Electronic Reading (Invar): 0.6mm
- Elect. Reading (Fiberglass): 1.0mm
- Optional reading: 1.0mm
- Measuring range: 5.3 to 328ft.
- Measuring time (Fine): 3 sec.
- Measuring time (Tracking): 1 sec.
- Least count: 0.0001/0.001m
- Minimum brightness cond.: 20lx. at the staff surface
Height Measurement Specifications for DL-503
- Accuracy: standard deviation for 1km
- Electronic Reading (Invar): 0.8mm
- Elect. Reading (Fiberglass): 1.5mm
- Optional reading: 2.0mm
- Measuring range: 5.3 to 328ft.
- Measuring time (Fine): 3 sec.
- Measuring time (Tracking): 1 sec.
- Least count: 0.0001/0.001m
- Minimum brightness cond.: 20lx. at the staff surface
Distance Measurement (D) Specifications for DL-502
- Accuracy (D 10m): ±0.4in. (±10mm)
- Accuracy (10m < D 50m): ±0.1%×D
- Accuracy (50m < D): ±0.2%×D
- Least count: 0.01/0.1m, 0.1/1ft., 1in.
Distance Measurement (D) Specifications for DL-503
- Accuracy (D 10m): ±0.4in. (±10mm)
- Accuracy (10m < D 50m): ±0.1%×D
- Accuracy (50m < D): ±0.2%×D
- Least count: 0.01/0.1m, 0.1/1ft., 1in.
User Interface Specifications for DL-502
- Display: 128×32 dot matrix LCD
- Keyboard: 8 keys
- Circular level sensitivity: 10’/2mm
User Interface Specifications for DL-503
- Display: 128×32 dot matrix LCD
- Keyboard: 8 keys
- Circular level sensitivity: 10’/2mm
Measurement Program Specifications for DL-502
- Details: Single/Continuous/Average/Elevation
Measurement Program Specifications for DL-503
- Details: Single/Continuous/Average/Elevation
Data Storage Specifications for DL-502
- Internal memory: 2,000 points
- Job: Max. 20 jobs
- Data output format: CSV
- Interface: RS-232C
Data Storage Specifications for DL-503
- Internal memory: 2,000 points
- Job: Max. 20 jobs
- Data output format: CSV
- Interface: RS-232C
Environmental Specifications for DL-502
- Water resistance: IPX4 (IEC 60529:2001)
- Operating temperature: -20°C to 50°C
- Storage temperature: -40°C to 70°C
Environmental Specifications for DL-503
- Water resistance: IPX4 (IEC 60529:2001)
- Operating temperature: -20°C to 50°C
- Storage temperature: -40°C to 70°C
Other Specifications for DL-502
- Power supply: BDC46B (Li-ion battery, 7.2V)
- Operating time: Approx. 16 hours
- Weight (including battery): 5.3lb. (2.4kg)
- Size (D x W x H): 10.1×6.2×7.2in.
Other Specifications for DL-503
- Power supply: BDC46B (Li-ion battery, 7.2V)
- Operating time: Approx. 16 hours
- Weight (including battery): 5.3lb. (2.4kg)
- Size (D x W x H): 10.1×6.2×7.2in.
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