1.long level 20" /2mm 2. weight 6kg 3. volume(mm3) 310x 160x 148 4.working time > 12 hours
Model. | DJJ2-2 |
Product Name: | 2 seconds laser directional theodolite |
Technical parameters: | one Measuring-process standard deviation in horizontal direction ≤±2" one Measuring-process standard deviation of vertical direction ≤±6" |
disk partition | 360 ° |
minimum values read" | 1" |
compensation range | + 2' |
compensation range | + 2' |
collimation and laser axis error | < 5" |
semiconductor wavelength and power | 635nm /5mW |
spot diameter ( mm / M ) | 3 /50,5 /100 |
laser measuring distance ( m ) | 180(day ) / 800( night ) |
instrument power | 180(day ) / 800( night ) |
working time | > 12 hours |
instrument working environment | - 10DEG C ~ +40 C |
telescope observation form image magnification | 28X |
effective diameter of objective lens ( mm ) | 40 |
visual field angle | 1° 30' |
the most short distance ( m ) | 2 |
stadia multiplication constant of | 100 |
stadia addition constant of | 0 |
Jian Chang ( mm ) | 172 |
level long level | 20" /2mm |
circle level | 8 ' / 2mm |
optical plummet magnification | 3X |
focusing range ( m ) | 0.5 ~ |
test instrument in weight and volume | |
weight | 6kg |
volume(mm3) | 310x 160x 148 |
instrument base thread | Zeiss / metric |
Theodolite DJJ2-2 BOFEI survey