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CHC

CTS-112R4 user manual

18

5.6.

Setting atmospheric correction

When during distance measurement, the result may be affected by atmospheric condition. To overcome
the affection of the atmospheric condition, it is necessary to use make correction through atmospheric
correction constant during distance measurement.

•

Temperature: the temperature of the surrounding air.

•

Pressure: the atmospheric pressure surrounding the instrument.

•

PPM: the atmospheric correction calculated and estimated.

Standard atmospheric condition of total station CTS-112R series (i.e. the atmospheric condition when
the atmospheric correction value is 0):

•

Pressure: 1013hPa

•

Temperature: 20°C

In the formula:

•

Correction coefficient (unit: ppm)

•

P: pressure (unit: hpa)

•

T: temperature (unit: °C)

When the unit of atmospheric pressure is mmHg, follow this formula: 1 hPa = 0.75 mmHg

5.6.1.

Setting the atmospheric correction value directly

Measure the temperature and press, then calculate the atmospheric correction value (PPM) through the
atmospheric correction graph or the formula.

1)

Enter Star (

★

) key mode, press [F4] (PARA).

2)

Press [

▼

] to move down to PPM item.

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Содержание CHC CTS-112R4

Страница 1: ...CHC CTS 112R4 User Manual Version 1 0 English...

Страница 2: ...minimum reading of setting angle distance 20 5 9 Setting auto power OFF 22 5 10 Setting instrument constant 23 5 11 Select a code file 24 6 Preparation for measurements 25 6 1 Unpacking and storage of...

Страница 3: ...he occupied point 57 10 4 Data collect offset measurement mode 57 10 4 1 Angle offset measurement 58 10 4 2 Distance offset measurement 60 10 4 3 Plane offset measurement 61 10 4 4 Column offset measu...

Страница 4: ...aming a file 91 14 1 4 Delete a file 92 14 2 File output 92 14 3 Data transfer 93 14 4 Load data 94 15 Check and adjustment 95 15 1 Bubble level 95 15 2 Circular level 95 15 3 Adjustment of reticle 95...

Страница 5: ...e is up to 400 m and distance measurement to single prism is 5000 m Absolute encoding disk With absolute encoding disk you can start your work directly as the instrument is powered on Azimuth angle wi...

Страница 6: ...harged once a month 6 When transporting the instrument should be placed in carrying case it is recommended that cushioned material should be used around the case for support 7 For less vibration and b...

Страница 7: ...on on laser instrument of Class 3R will bring dangers Prevention To avoid being harmed each user is required to take safety precautions and take everything under control within the distance that would...

Страница 8: ...mp d SD card port e Mini USB interface f Tribrach g Instrument serial number h Bubble level i I Face display j I Face keyboard k Carrying handle with mounting screw l Optical sight m Objective with in...

Страница 9: ...function button Choose reflector type plummet intensity crosshair and display illumination Angle measurement key Angle measurement mode functionality Distance measurement key Distance measurement mode...

Страница 10: ...slope HR horizontal angle right HL horizontal angle left HD horizontal distance VD vertical distance SD slop distance N coordinate N E coordinate E Z coordinate Z EDM electronic distance meter is und...

Страница 11: ...Display the soft key functions in page2 Page2 HOLD Lock the reading of horizontal angle REP Repeat measuring on horizontal angle V Shift between vertical angle slope percentage P2 Display the soft ke...

Страница 12: ...inates files are selected in DATA COLLECT menu MEAS Start distance measurement MODE Shift the distance measurement modes F S F N F R T R P1 Display the soft key functions in page2 Page2 OFSET Offset m...

Страница 13: ...mode MEAN Set the measuring time of fine measurement P3 Display the soft key functions in page1 4 4 Star key mode Press the screen will show Press Star key you can set the below items 1 Contrast Pres...

Страница 14: ...l and vertical angle readings deviations which are caused by tilt of instrument s vertical axis on X and Y direction The CTS 112R series provide 3 tilt correction modes disable tilt sensor X ON single...

Страница 15: ...ck dot as shown on the right Single Axis only corrects the vertical angle Dual Axis corrects vertical and horizontal angles 4 Press F4 to display the tilt value on X horizontal and Y vertical directio...

Страница 16: ...er Star key mode 2 Press MENU to select the type of reflector Press MENU every time to shift among Prism NON P sheet Press ESC to save the settings and return to measurement mode 5 4 Setting of tilt c...

Страница 17: ...signal function displays the intensity of EDM s reflecting signal It helps user to collimate the target in tough conditions In circumstance that target is not easy to be found this function will help...

Страница 18: ...correction calculated and estimated Standard atmospheric condition of total station CTS 112R series i e the atmospheric condition when the atmospheric correction value is 0 Pressure 1013hPa Temperatur...

Страница 19: ...e 99 9 mm to 99 9 mm Step length 0 1 mm 5 6 2 Calculating the atmospheric correction based on temperature and pressure Measure the temperature and pressure of the surrounding air previously E g temper...

Страница 20: ...height difference measurement the instrument corrects the atmospheric refraction error and earth curvature automatically Formula of correction on atmospheric refraction error and earth curvature If yo...

Страница 21: ...um Reading 0 1 1 Press MENU to enter to 1 2 of main menu and press 5 PARAMETERS 2 Press 3 OTHER SET 3 Press 1 Min Angle Read 4 Press 1 4 to set the minimum angle reading e g Press 4 0 1 second and pre...

Страница 22: ...d or no survey is implemented in 30 minutes the instrument will be switched off automatically 1 Press MENU to enter to 1 2 of the main menu and press 5 PARAMETERS 2 Press 3 OTHGER SET 3 Press 4 Auto P...

Страница 23: ...nts and multiplication constant Input the instrument constant and press F4 ENT 3 Return to 2 2 of the menu 2 2 4 Press ESC to cancel the settings Refer to 6 7 Method of inputting alphanumeric characte...

Страница 24: ...to 6 7 Method of inputting alphanumeric characters to learn how to input numbers or characters 3 You can also press F2 LIST to display the list in the memory Press F4 OK or ENT to enter to it and dis...

Страница 25: ...uitable length make the tripod head parallel to the ground and tighten the screws 3 Make the center of the tripod and the occupied point approximately on the same plumb line 4 Step on the tripod to ma...

Страница 26: ...rvation of laser plummet As it approximately aims at the station point make all three legs fixed on the ground Adjust three leg screws of the instrument to make laser plummet collimate precisely to th...

Страница 27: ...mode consumes more power than angle measurement mode so the power enough for the latter is not sure applicable for the previous one Pay attention to this when switching angle measurement mode to dist...

Страница 28: ...e with single prism and triple prisms which can be mounted with tribrach onto a tripod or mounted onto a prism pole Reflector systems can be self configured by users according to job 6 5 Mounting and...

Страница 29: ...adjusted and accuracy will be influenced so you should adjust the eyepiece tube carefully to eliminate the parallax 6 7 Method of inputting alphanumeric characters Total station CTS 112R series is equ...

Страница 30: ...e unit 2 Press 1 to inputa 1 press 0 to inputa 0 Press to inputthe unit 3 Press 2 to inputa 2 press 0 to inputa 0 Press F4 to confirm Then the horizontal angle isdefined as 90 10 20 When ALPH shows it...

Страница 31: ...t for reference 1 Sight the telescope to the bright sky Turn the focusing ring until you can see the cross hair clearly 2 Aim the target by observing through the tip of the triangle on the telescope K...

Страница 32: ...ngle HR to left angle HL Operation F2 3 Procedure press F2 again to return to the mode of horizontal right angle HR Every pressing on F2 R L is to shift between HR HL 7 3 Setting horizontal angle 7 3...

Страница 33: ...urn to last mode press F3 NO 7 3 2 Setting by Inputting through the Keyboard Go to angle measurement mode 1 Procedure aim to the target point and press F3 HSET Operation collimate F3 2 Procedure input...

Страница 34: ...ocedure press F3 V Operation F3 Press F3 V to shift the mode displaying When the height exceeds 45 100 it will show Over beyond the survey range 3 Procedure press F4 to turn to P2 Operation F4 4 Proce...

Страница 35: ...e user can implement repetitious angle measurement Make sure it is under horizontal angle HR measurement mode 1 Procedure press F4 to turn to P2 Operation F4 2 Procedure press F2 REP Operation F2 3 Pr...

Страница 36: ...Procedure Repeat procedure 6 and 7 until desired times of measurement are finished E g repeat 6 times 9 Procedure to quit the repetitious angle measurement press F2 EXIT and press F4 YES to return to...

Страница 37: ...12R4 user manual 37 7 6 Shift between azimuth and vertical angle 1 Procedure press F4 twice to turn to P3 Operation F4 x 2 2 Procedure Press F1 CMPS Operation F3 Every pressing F1 CMPS can shift these...

Страница 38: ...ay deviate from the line of sight which will affect the accuracy This is because the emitting point of laser beam may not coincide the point which is collimated by the crosshair Thus users are recomme...

Страница 39: ...to return to distance measurement mode After the measurement of one point is finished the name of next point will be automatically 1 Repeat the procedure above to start new measurement Operation F1 F4...

Страница 40: ...r can choose any mode HD VD and SD to stake out 1 Procedure press F4 under distance measurement mode to enter to P2 Operation F4 2 Procedure press F2 S O to display the data of previous settings Opera...

Страница 41: ...lt to set up a prism directly for example the center of a tree this mode is helpful It only needs to set the prism on the point which has the same horizontal distance to the instrument as that of the...

Страница 42: ...3 Procedure press 1 ANG OFFSET to enter to angle offset measurement mode Operation 1 4 Procedure aim to prism P and press F1 MEAS It measures the distance between the instrument and the prism Operatio...

Страница 43: ...now to measure the distance and coordinates of the center you need to input the oHD offset distance as the following graph and measure P1 under the mode of distance offset the distance and coordinate...

Страница 44: ...tion input L R forward offset distance 5 Procedure aim to P1 and press F1 MEAS to start measurement When distance measurement is finished it displays the measured result that is corrected by offset di...

Страница 45: ...nts of the plane P1 P2 P3 in this mode Then aim to P0 It will calculate and display the distance and coordinates of the intersection of collimation line and this plane Refer to section 9 2 Setting coo...

Страница 46: ...peration collimate P1 F1 5 Procedure measure the second and third point with the same method Operation aim to P2 and press F1 aim to P3 and press F1 6 Procedure it will calculate and display the dista...

Страница 47: ...of the column surface directly Then by measuring the azimuth angles of P2 and P3 on the column you can calculate the distance azimuth and coordinates of the column center Azimuth of the column center...

Страница 48: ...press F1 5 Procedure aim to the left point of the column surface P2 and F4 SET to finish measurement Then it will display the message to measure the angle of the right point P3 When displaying Range E...

Страница 49: ...CHC CTS 112R4 user manual 49 7 Procedure to display the coordinates of P0 press CORD Operation CORD Press F1 NEXT to return to Procedure4 Press ESC to return to distance measurement mode...

Страница 50: ...and measure the azimuth of backsight point first The coordinates of unknown point can be calculated by the formula below Coordinates of occupied point N0 E0 Z0 the coordinates of the target correspond...

Страница 51: ...F2 ALL to restart measurement 4 Press F1 ALL to start coordinates measurement and record the result After measurement press F4 YES to return to coordinates measurement After measurement of one point...

Страница 52: ...inates the instrument can transform and display the coordinates of unknown point target point under this coordinates system 1 Under coordinates measurement mode press F4 P1 to turn to P2 2 Press F3 OC...

Страница 53: ...nstrument height will be saved even the power is switched off 1 Under coordinates measurement mode press F4 P1 to turn to P2 2 Press F1 HT to display the instrument height and the target height 3 Inpu...

Страница 54: ...the power is switched off 1 Under coordinates measurement mode press F4 P1 to turn to P2 2 Press F1 HT to display the instrument height and target height Move to R HT 3 Input target height and press...

Страница 55: ...1 Operation procedure 1 Select a data collection file 2 Select REC coordinate file and save the coordinate data converted from original data 3 Select coordinate data file so that you can use occupied...

Страница 56: ...occupied point and direction angle in the data collect mode are linked with the occupied point and it is possible to set or change the occupied point and direction angle from the data collect mode Occ...

Страница 57: ...data are displayed 2 Press F4 ENT 3 Press F4 INPUT INS HT 4 Press F3 or F4 to choose whether need to set Back sight 10 4 Data collect offset measurement mode This mode is useful when it is difficult...

Страница 58: ...he center position operate the offset measurement after setting the instrument height or prism height When measuring coordinates of ground point A1 Set the instrument height or prism height When measu...

Страница 59: ...arget point A0 and display its coordinate 6 If press DIST then SD HD and VD are displayed 7 Press F4 YES data is recorded and the next target offset is measured Press F4 NEXT and redefine ANG OFFSET A...

Страница 60: ...lace apart from a prism is possible by inputting offset horizontal distance of front and back right and left 1 In the DATA COLLECT FS SS mode press F3 MEAS press F4 OFFS in the prompted function menu...

Страница 61: ...y the coordinates of the target Press F4 YES to record 10 4 3 Plane offset measurement Measurements will be taken for the place where direct measuring cannot be done for example distance or coordinate...

Страница 62: ...and of the plane To set the coordinate value for the occupied station refer to section 9 2 Setting coordinates of occupied point 1 Press F3 MEAS press F4 OFFS in the prompted function menu 2 Press 3...

Страница 63: ...to the 2nd point Measure the 2nd and 3rd point in the same way 6 The result displays when measuring is over 7 Press CORD to display the coordinates of this point 8 Press F4 YES measuring data is recor...

Страница 64: ...4 4 Column offset measurement If it is possible to measure circumscription point P1 of column directly the distance to the center of the column P0 coordinate and azimuth can be calculated by measured...

Страница 65: ...rement angle measurement of the left side P2 will be shown 5 Collimate the left side of the column P2 and press F4 SET 6 After measurement angle measuring of the right side P3 will be shown Aim the ri...

Страница 66: ...ured data to calculate coordinate data and save into the coordinate file automatically 2 Collect seq Set the sequence of data collection and edition EDIT MEAS Set the PT name PCODE and target height f...

Страница 67: ...call up the occupied point coordinate data backsight coordinate data and stakeout point data 2 Setting occupied point 3 Setting backsight point and azimuth angle 4 Input stakeout point coordinates an...

Страница 68: ...keout from selected coordinate data file also you can record new point measured data into the selected coordinate data file When STAKEOUT MODE begins a file can be selected in the same way 11 2 3 Sett...

Страница 69: ...ight point The following three setting methods for Backsight point can be selected Setting from the coordinate data file stored in the internal memory Direct input of coordinate data Direct input of s...

Страница 70: ...equired for example when a layout point cannot be sighted from existing occupied points 11 3 1 Side shot method Set up the instrument at a known point and measure the coordinate of the new points by t...

Страница 71: ...nd calculate the coordinate of the new point using the coordinate data for maximum seven known points and the measurement made to these points By following observation resection is possible Resection...

Страница 72: ...Press F4 ENT Refer to section 6 7 Method of inputting alphanumeric characters 4 System indicates to enter name of the target point press F1 INPUT 5 Enter the point of point A and press F4 OK To enter...

Страница 73: ...two known points the residual error will be calculated Residual error dHD Horizontal distance between two known points Measured value Calculated Value dZ Z coordinate of the new point calculated from...

Страница 74: ...the data If press F3 SKP in step 2 the new point data is not stored into the coordinate data file only the value of occupied coordinate data is replaced by that of the calculated new point 16 Coordina...

Страница 75: ...1 Remote height measurement REM To obtain the target height in which user cannot lay prism just lay the prism in any point above target on the plumb line and then start REM 12 1 1 Known prism height...

Страница 76: ...rs 5 Collimate the prism and press F1 Measure to start measurement 6 The position of prism was confirmed and displayed as right figure 7 Aim to target K and display the vertical distance VD from prism...

Страница 77: ...he REM function which doesn t require to input prism height 2 Aim to prism center and press F1 MEAS 3 System starts to measure 4 When the measurement is finished display the horizontal distance betwee...

Страница 78: ...p 5 7 Collimate target point K and display the height difference VD Press ESC to return to procedure menu 12 2 Tie distance Measure dHD dSD dVD and HR between two prisms Also calculate by inputting co...

Страница 79: ...ally the same as MLM 1 mode 1 Press 2 in program menu and select MLM 2 Press 1 to select MLM function of A B A C 3 Aim to prism A and press F1 MEAS If the coordinate of target point is known you can p...

Страница 80: ...B and press F1 MEAS 6 The HD from instrument to prism B is displayed after measurement 7 System calculates dSD dHD and dVD between prism A and prism B according to the positions of points A and B 8 Pr...

Страница 81: ...lates dSD dHD and dVD between prism A and prism C according to the positions of points A and C 11 Measure the distance between A D and repeat operation steps 9 10 Press ESC to return to MLM menu 12 2...

Страница 82: ...coordinates data and known point actual measuring data are utilized Z coordinate of occupied point is calculated and reset again Coordinate data file can be used as known point data and coordinate da...

Страница 83: ...e name then press F4 ENT Or press F2 LIST to list files in the memory 4 Press 1 OCC PT INPUT 5 System searches this LIST and displays its coordinate press F4 to confirm 6 Enter the prism height and pr...

Страница 84: ...Press ENT or ESC to select whether to use coordinate file or not e g ESC don t use 3 Press 2 REF MEAS 4 Input the coordinate of the point to be measured and press F4 OK 5 The calculating result is dis...

Страница 85: ...data Area is not calculated correctly if enclosed lines cross each other It is impossible to calculate what a mix of coordinate file data and measured data The number of points used to calculate is no...

Страница 86: ...oints connect as an area Above 3 points the interface can show the area result You can continue measure it will calculate all points area result 12 4 2 Change the display unit It is possible to change...

Страница 87: ...e line AB as N axis Place the 2 prisms at the A and B on the line and place the instrument at unknown point C After measuring the 2 prisms the coordinate and the azimuth of the instrument will be calc...

Страница 88: ...user manual 88 4 System starts to measure 5 The interface will show the result 6 Press F4 OCC to display the new coordinate of the occupied point 7 Press F4 P1P2 Display dSD 8 Press F1 NEZ to measure...

Страница 89: ...e coordinates displaying order NE Z or EN Z V ANGLE Z0 H0 Choose the reading of vertical angle from zenith or horizontal Other set Name Description Min angle read Set the minimum reading of angle unit...

Страница 90: ...mory and modify file name search for data in the file delete files create new files edit files 14 1 1 Setting the atmospheric correction value directly 1 Press MENU to enter to 1 2 of main page Press...

Страница 91: ...e and free space 5 Press F2 can format storage memory 14 1 2 Create a new file 1 Press F1 NEW in file list to create a new project file 2 Press F1 ATTR can check the project status 14 1 3 Renaming a f...

Страница 92: ...Press F2 Rename to rename project 3 Input a new name and press F4 to confirm 14 1 4 Delete a file 1 Press F3 to delete the selected project 2 Press F4 to confirm delete the project 14 2 File output 1...

Страница 93: ...ject It will create 3 file TXT DAT and CSV 14 3 Data transfer You can send a data file stored in the SD Card to a computer through data cable 1 Press 5 to use U Disk Mode Connect instrument to PC by U...

Страница 94: ...Load data Coord data file and code data can be loaded into instrument memory from computer 1 Press 5 to use U Disk Mode Connect instrument to PC by USB cable 2 The interface will show connect to PC an...

Страница 95: ...t inspection and adjustment steps until the bubble remains in center with the vial in any direction 15 2 Circular level Inspection No adjustment is necessary if the bubble of the circular vial is in t...

Страница 96: ...ment to see if the adjustment is correct 4 Replace the eyepiece cover 15 4 Perpendicularity of the line of sight to horizontal axis 2C Inspection 1 Set object A about 100 m away from the instrument an...

Страница 97: ...ss MENU and press F4 P to enter page 2 of the menu 2 Press 1 Adjustment then select 2 Collimation 3 Collimate target precisely in left position and press F4 OK 4 Rotate the telescope and sight the sam...

Страница 98: ...e the vertical clamp screw slowly in either direction about 10 mm in circumference and the error message b will appear The vertical axis has increased to more than 3 at this time and exceeds the desig...

Страница 99: ...4 Rotate the telescope and sight the same target A precisely face right Press F4 5 Setting is finished and the instrument returns to the adjusting menu automatically Note 1 Repeat the inspection step...

Страница 100: ...he influence of sight axis user must have an associated adjustment before adjusting sight axis It is unnecessary to collimate the prism or the target plane to decide the transverse axis error Therefor...

Страница 101: ...the optical plummet coincides with the intersection point of the cross on the paper 4 Rotate the instrument around the vertical axis and at every 90 observe whether the center mark position coincides...

Страница 102: ...tance of AB and AC accurately 3 Set the instrument on Point B and center it accurately measure the Horizontal Distance of BC accurately 4 Then you can get the instrument constant K AC AB BC K should b...

Страница 103: ...easuring beam relative to the line of sight The direction of the beam should be inspected before precise measurement of distances because an excessive deviation of the laser beam from the line of sigh...

Страница 104: ...ake the bubble on the prism pole centered 4 Set and level the instrument on point A near the cross Sight tine of point C with the center of reticle and fix the horizontal clamp screw Rotate the telesc...

Страница 105: ...CHC CTS 112R4 user manual 105...

Страница 106: ...td All rights reserved The CHC and CHC logo are trademarks of Shanghai Huace Navigation Technology Limited All other trademarks are the property of their respective owners Trademarks All product and b...

Страница 107: ...r manual 107 CHCNAV Shanghai Huace Navigation Technology Ltd 599 Gaojing Road Building D Shanghai 201805 China Tel 86 21 542 60 273 Fax 86 21 649 50 963 Email sales chcnav com support chcnav com Websi...

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