Model: TDJ2

Product Name: 2-Second Reversing Theodolite

Technical Parameters: One-measurement Return Horizontal Direction Standard Deviation (seconds) ≤ ±2"

One-axis Return Vertical Standard Deviation (seconds) ≤ ±6"

Degree division (degree)　　360°

*Small Grid Value 1"

Compensation Range: ±2'

Settlement Error (seconds) ±0.3"

Effective Distance (m)

Telescope

Imaging Inverted Image

Magnification: 28×

Objective lens effective aperture (mm)　　40

Field of View: 1°30′

*Short Distance (m)　2

Line-of-sight multiplier　　100

Line of Sight with Constant: 0

Tub Length (mm): 172

Level Gauge

Long-level gauge (sec/mm)　　20/2

Circular Level (mm/degree)　　8/2

Optical Spot Finder

Magnification: 3×

Field of View (Degrees)　5

Focusing Range (m)　　0.5～∞

Instrument Net Weight (Kg)　6

Instrument Volume (mm3): 310×160×148

Instrument Base　　Zeiss

Center Thread　　　　 Metric