Страница 1: ... ni SURVEYING INSTRUMENTS SQKKIJ DT5 DT5S DT5A DT5AS Electronic Digital Theodolite OPERATOR S MANUAL ...
Страница 2: ...4 Measure the horizontal angle between two targets 14 10 5 Hold the horizontal angle value 15 10 6 Set the horizontal circle to a required value 15 10 7 Select the horizontal angle right or left 15 10 8 vertical angle mode 16 10 9 Display and reticle illumination 16 11 ERROR CODES 17 12 OPTICAL DISTANCE MEASUREMENT STADIA SURVEY18 13 CHECKS AND ADJUSTMENTS 19 13 1 Plate levels 19 13 2 Circular lev...
Страница 3: ...could slip and fall off it Secure the handle to the main unit with locking screws Failure to properly secure the handle could result in the unit falling off while being carried causing injury Tighten the tribrach securely Failure to properly secure the handle could result in the unit falling off while being carried causing injury When mounting the instrument to the tripod tighten the centring scre...
Страница 4: ...ite g Protect the DT5 with an umbrella against strong sunlight and rain h When the operator leaves the DT5 the vinyl cover should be placed over the instrument i Always switch the power off before removing the battery j Always remove the battery from the DT5 before returning it to the case k When the DT5 is placed in the carrying case follow the layout plan i Make sure that the DT5 and the protect...
Страница 5: ...over æ Optical plummet focussing ring æ Objective lens Handle securing screw fl fl fl Above figures are DT5 1 4D Tubular compass slot lI Battery release cover æ Battery BDC21 W Plate level adjusting screw Plate level f1 Power switch Data output connector fZ Horizontal fine motion screw Horizontal clamp fI Plate level o Plate level adjusting screw W Vertical clamp fj Vertical fine motion screw KI T...
Страница 6: ...eable Ni Cd or alkaline type i e LR6 or R6P batteries can be used The built in reticle and display lighting is useful for surveying at night or in underground work A power saving cut off function can be selected which switches the instrument power off 30 minutes after the last key operation to save battery power An R8 232C data output connector is provided to allow the horizon tal and vertical ang...
Страница 7: ...ngle to vertical angle mode press To illuminate display and reticle of telescope press Sighting procedure page 11 Angle reading page 13 Key function depends on the internal switch setting 4 6 DISPLAY SYMBOLS KEY FUNCTIONS Display symbols v Vertical angle H Horizontal angle Vertical angle 0 horizontal 90 0 0 vertical angle Battery low warning go gon angle units r Horizontal angle right iHorizontal ...
Страница 8: ...display symbols are shown on the display while the instrument performs self diagnostic checks Jl When the instrument has successfully com pleted the checks the remaining battery power is displayed as a numeric code for three seconds Code 0 Less than e g R6P batter 1 5 hrs ies at 25 C 1 1 5 10 hrs 2 1 0 15 hrs 3 More than 1 5 hrs The display of 0 in the V display indicates that the instrument is re...
Страница 9: ...nd the leg farthest from this o direction Generally two tripod legs must be adjusted to centre the circular level bubble Circular level 8 _ nn_ ______ A A B 1 10 Bubble movement A A 6 Using the horizontal clamp turn the upper part of the instrument until one plate level or is parallel to a line between levelling screws A and B Centre this plate level bubble using levellng screws A and B Note The b...
Страница 10: ...cross lines image goes out of focus Using this procedure frequent reticle re focussing is not neces sary since your eye is focussed at infinity EB 10 GO IMPORTANT 2 Loosen the vertical and horizontal clamps and use the peep sight to bring the target into the field of view Re tighten both clamps 3 Turn the focussing ring to focus on the target Use the ertical and horizontal fine motion screws fj fZ...
Страница 11: ...ote below Instrument parameters See page 26 Internal switch 4 can be used to change the vertical circle indexing Options are indexing by transitting the telescope as above or manual indexing by face left face right sightings see page 27 Internal switch 5 can be used to switch OFF ON the Auto Power off function which switches the DT5 power off 30 minutes after the last key operation 12 10 ANGLE MEA...
Страница 12: ...bol I is displayed 10 6 Set the horizontal circle to a required value e g Set 299 59 40 to reference target R Use the horizontal clamp and fine motion screw to turn the upper part until an angle of 299 59 40 is shown on the display Press CD to hold the horizontal angle display as described above v H c i i ri 1 _ _ I_I I_ C L 10 4 Measure the horizontal angle between two targets A l g B c CD V H e ...
Страница 13: ...he DT5 Eliever G Press II again to switch the illumination off To adjust the brightness of the reticle ilumi nation turn the illumination lever Cl on the theodolite telescope 16 11 ERROR CODES If there is any fault in the theodolite function the error codes shown in the following table will be displayed Display Meaning Action E Error when measuring Reset the horizontal _ U a horizontal angle angle...
Страница 14: ... X sin20z h h2 or 50 X f X sin20v h h2 L h 18 _ ___ _ O _ _ _ _ _ _ 13 CHECKS AND ADJUSTMENTS It is important that the DT5 is periodically checked and adjusted In addition the instrument should be checked after transportation long storage or when damage to the instrument is suspected to have occurred 13 1 Plate levels The glass tubes of the plate levels are sensitive to temperature change or shock...
Страница 15: ...he bubble is off centre adjust as follows Circuiar level CD Note the off centre direction of the bubble adjusting screws æ Loosen the adjusting screw farthest from this direction to centre the bubble CI Adjust all three adjusting screws until the tension of each screw tightening is the same and the bubble is centred WARNING Over tightening the adjusting screws may damage the circular leveL Unequal...
Страница 16: ...al angles 22 _ _ _ _o L _ _ __ _ J _ O __ _ _ ___ c Now sight the target on face right and read the horizontal and vertical angles v i S930aO H 1 83 1 0 d Subtract the horizontal face left angle from e g H 198 34 10 18 34 00 the horizontal face right angle The differ 180 00 10 ence should be within 180 40 e Add the vertical face left angle and the e g V 90 30 1 0 269 30 00 vertical face right angl...
Страница 17: ...e the reticle adjustment cover Tighten by the same 1 Loosen amount WARNING Over tightening the adjusting screws may damage the reticle Unequal tightening of the adjusting screws may mean that the reticle will go out of adjustment 24 13 4 Optical plummet o a Carefully level the DT5 and exactly centre a surveying point in the reticle of the optical plummet b Turn the upper part 180 and check the pos...
Страница 18: ...on when instrument left the cover factory 26 APPENDICES Appendix A Indexing vertical circle by face left face right readings Like all theodolites the DT5 wil have a vertical index error The vertical index can be determined and the index error removed by the following procedure V H n l n ii ii UUUL Lf V 2 H 2 0 30 1 Ensure that the DT5 power switch is off 2 Change the internal switch 4 to ON see pr...
Страница 19: ...e cord grip piece to adjust the cord length The DT5 instrument can be removed from the tribrach by rotating the tribrach clamp anticlock wise and carefully lifting the instrument up The DT5S has a shifting tribrach for quick centring and the instrument can not be removed The carrying handle can be removed from the instrument by unscrewing the handle securing screw and sliding the handle to the sid...
Страница 20: ... on the standard tribrach An illumination device standard accessory can be attached to the back of the target plate for surveying in low light conditions The target heights are 233 mm i J 30 6 Electronic field books SDR series The SDR series can collect and store all angle values output from the DT5 data output connec tor Distance values can be input manually if required The stored data can be ver...
Страница 21: ...9 909 32 Measuring mode Horizontal angle Vertical angle Power supply Power source Working duration General Display Sensitivity of levels Optical plum met Self diagnostic function Power saving cut off Audio device Data output Operating temperature Instrument height Size Right Left Hold Selectable with key board Zenith 0 Ogon Omil Horizontal 0 Ogon Omil Horizontal O 90 O 100gon 0 1600mil Selectable ...
Страница 22: ...ibrach 34 STANDARD EQUIPMENT Layout Plan CI CI Q Q CD DT5 DT5S DT5A DT5AS main unit 1 æ Battety BDC21 1 inCluding R6PX4 CI Vinyl cover 1 ø Tubular compass CP7 1 CI Adjusting pins 2 CI Screwdriver 1 j Brush 1 35 Û CI Cleaning cloth 1 CI Lens hood 1 QQ Lens cap 1 Qj Plumb bob 1 QP Operator s manuaL 1 j Carrying case SE30 1 Shoulder strap 1 ...
Страница 23: ...nit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protec tion against harmful interference when the equipment is operated in a commercial en...
Страница 24: ...4 Fax 64 9 479 3066 SOKKIA B v Businesspark De Vaart Damsluisweg 1 1332 EA Almere P O Box 1292 1300 BG Almere The Netherlands Phone 31 36 53 22 880 Fax 31 36 53 26 241 SOKKIA LTD Datum House Electra Way Crewe Business Park Crewe Cheshire CW1 1 ZT United Kingdom Phone 44 1270 25 05 25 Fax 44 1270 25 05 33 SOKKIA B V Niederlassung Deutschland An derWachsfabrik 25 50996 Köln Rodenkirchen Germany Phon...
