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Johnson 40-6932 Two-Arc-Second Electronic Digital Theodolite
The Johnson 40-6932 is the explicit preferred theodolite for the original truncated Johnson 40-6 surveying entry. It combines 2-arc-second angular accuracy with a 30× telescope, dual LCD displays and optical plummet. A tilt compensator and illuminated reticle support setup and angle measurement, while vertical-angle readings convert to percent grade. The 6 V instrument operates from its NiMH pack or five AA cells and has a published runtime of approximately 16 hours.
Estimated equipment rental only. Delivery, taxes and applicable fees quoted separately. Final pricing confirmed with dispatch.
Specifications
Equipment
- Manufacturer
- Johnson Level & Tool
- Model
- 40-6932
Exact preferred theodolite
- Model
- 40-6932
- Angular accuracy
- 2 arc seconds
- Measurement system
- Incremental
- Selectable angle units
- 360 degrees; 400 gon; 6400 mil
- Telescope image
- Erect
- Magnification
- 30×
- Objective aperture
- 45 mm
- Optical resolution
- 3 arc seconds
- Field of view
- 1°30′
- Minimum focusing distance
- 1.4 m; published rounded 5 ft
- Stadia constant
- 100
- Telescope length
- 157 mm
Compensation and controls
- Compensation range
- ±3 arc minutes, factory catalog
- Compensator
- Upright angle automatic compensation
- Optical plummet magnification
- 3×
- Plummet focusing range
- 0.5 m
- Plummet field angle
- 5°
- Display
- Dual-sided LCD
- Backlighting
- Display and telescope reticle
- Data port
- RS232
- Angle conversion
- Vertical angle to percent grade
Power, size and configuration
- Operating voltage
- 6 V DC
- Power options
- NiMH rechargeable pack or five AA alkaline cells
- Published runtime
- Approximately 16 hours continuous
- Dimensions
- 160 × 150 × 330 mm
- Weight
- 4.6 kg / 10.14 lb
- Mount thread, factory catalog
- 5/8-11
- Operating temperature
- −20°C to +40°C; operator manual
- Factory catalog imperial typo
- Catalog prints 14°F alongside −20°C; operator −4°F correctly matches −20°C
- Kit, operator list
- Theodolite; alkaline holder without cells; NiMH pack and charger; rain hood; adjustment tools; instructions; hard case
Equipment Details
Capabilities & Features
- Dual LCD displays
- 30× telescope
- Optical plummet
- Vertical-axis compensation
- Percent-grade conversion
Available Options
- 40-6937 90° offset eyepiece
- Compatible tripod
- Grade rod
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