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GEONiN SDL-2 User Manual

Digital level
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Digital Level
User Manual

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Summary of Contents for GEONiN SDL-2

  • Page 1 Digital Level User Manual...
  • Page 2 Introduction Thanks for your support. SDL-2 is an economic type of digital automatic level featured in easy operation, quick & accurate reading. With the newest digital system, SDL-2 will be your right-hand assistant. Please keep User Manual properly and read it carefully for a good use of the instrument.
  • Page 3 measuring, you can use the back side of bar staff or equivalent. 5. For a better use and daily adjustment, we highly suggests you to equip at least two pieces of our standard bar staff. 6. When operating digital mode, avoid direct sunlight passing through objective lens and eyepiece which may cause interference.
  • Page 4 2. Be carefully when working around high voltage facilities. 3. Do not handle Staff in thunderstorms. 4. Humid condition is harmful to battery. 5. Keep distance from flammable and explosive materials. 6. Survey should be operated in safety area and please obey local safety rules &...
  • Page 5 2.4 Optical Measurement ....12 Index 2.4.1 Height measurement ....12 2.4.2 Height Difference ....... 13 1. Important Parts and Operation 2.4.3 Stadia Measurement ..... 14 Manual ........... 5 2.4.4 Angle Measurement ....15 1.1 Important Parts ......5 3. Checking and Adjustment ....16 1.2 Buttons ..........
  • Page 6 1. Important Parts and Operation Manual 1.1 Important Parts 1. Objective lens 2. Peep Sight 3. Screen 4. Buttons 5. Seal Plug 6. Eye piece 7. Graduation Pointer 8. Horizontal Graduation Circle 9. Bubble Adjusting Screw 10. Circular Bubble 11. Reflecting Mirror 12.
  • Page 7 1.2 Buttons Four buttons active functions like below(left side to right side): (1) Main function: Power / Model / Setting / Measure ON/OFF MEAS. MODE (2) Settings function: None / Quit / Confirm / Shift (3) Input function: None / Quit / Shift / Input Fig 2 1.3 Display Screen Measure Mode: Height / Height Different...
  • Page 8 Fig 3...

  • Page 9: Instrument Operation

    2. Instrument Operation 2.1 Preparation 2.1.1 Battery Install Loosen screw and open battery cap(Figure 4). Install four AA batteries as figure 5 shows, lock the cap, and tighten the set screw. Tips: When locking the battery compartment, please tighten the screw to ensure seal design works.
  • Page 10 into the centre circle. 2.2 Sight and Focusing (1)Rotate eyepiece to make the reticle being clear. (figure 7) Target the staff through peep sight. Rotate focusing knob to make the staff image being clear. Coincide vertical Fig 6 hair with the middle of the staff.
  • Page 11 right, left, up and down. If staff image and reticle hair remains still, you can start work. Attention: a) Bar side is for digital mode measurement and ruler side is for optical mode. b) Digital measurement only fits our standard bar staff. c) Keep staff in a vertical position with the help of bubble level ( you can find this accessory in staff package).
  • Page 12 (2) Press mode button, select DIFF.
  • Page 13 (3) Meas. BS(Staff A) will show up in screen DIFF firstly. Measure the first staff and get data as Height=1.568 Distance=29.36 (figure 9). Rh: 1 . 568 m Press SET button then Meas. FS(Staff B) shows up. Measure the second staff and get data as figure 10.
  • Page 14 After startup, press SET button to enter settings mode. SET button...
  • Page 15 is used as to select and MEAS. Button is used as to confirm. MODE button used as to quit. Measure Mode. Single --Data is figured out by a single measurement. You can see “S”on screen when this mode is activated. Mean -- Several times of measurements average out a average data.
  • Page 16 " On-- Inverse the staff and measuring. You can see" Units: M- - Metre ft - - Foot Rounding: Minimum reading: 0.001/0.0001m Auto Off: 15min– Instrument will power off after 15 minutes without operation. Off - - - Instrument keeps running until power off. Aver.
  • Page 17 images both clear. Read Data as figure 12, H=1.165m Fig 12 2.4.2 Height Difference Set up the instrument at a point approximately halfway between point A and point B. Posit the staff vertically at point A, take a reading as “a” (Example a=1.735 m) Then read the staff at point B and obtain the reading as “b”.
  • Page 18 Fig 13 The difference a-b is the AB height difference “h”(Example: h=a- b=1.735-1.224=0.511m) 2.4.3 Stadia Measurement (1) Read the staff and count the Difference L between two stadia lines. Up Stadia Line: 1.238m Down Stadia Line: 1.091m Difference L=1.238-1.091=0.147m, Distance D= 100*L=14.7m...
  • Page 19 Up Stadia Line Down Stadia Line Fig 14 2.4.4 Angle Measurement: Direct instrument to staff A and turn Horizontal Circle to “0”. Point instrument to staff B Read off Hz-angle from Horizontal Graduation Circle. Figure 15: Hz=43° Fig 15...

  • Page 20: Checking And Adjustment

    Checking and Adjustment Pls check instrument before working. Instrument must be checked and adjusted by responsible person regularly. 3.1 Circular Bubble: (1) Center the bubble of the Circular Level precisely by using the Leveling Foot Screws. (2) Turn the telescope around 180°(or 200 gon). (3) The bubble needs adjustment if it is uncentered.
  • Page 21 to any direction. Fig 16...
  • Page 22 3.2 Line of sight 3.2.1 Optical Fig 17 Set the instrument at a point halfway between point A and B spaced about 30-40m apart. Take readings of staff A and staff B as “a1” and “b1”.(Figure 17) Calculate the real height difference : ΔH=a1-b1 Set up the instrument about 1 m away from point A and read staff A and staff B as “a2”...
  • Page 23 Fig 18 ----b2’ is the height b2 should be When the difference between b2 and b2’ is more than 3mm, the line of sight must be adjusted. Pull out the seal plug and adjust the ON/O MEAS. adjusting screw until horizontal hair move to reading b2’.
  • Page 24 Fig 19 screw distance, and set Point 1 at 15 metres...
  • Page 25 and Point 2 at 30 metres as Points where instrument set up.(Figure 20) To ensure a correct adjustment , distance between those points should be keep in a certain range as 15±0.5m。 Fig 20 First set instrument at Point 1. Press and hold Meas.
  • Page 26 mode as figure 22. (MODE=CE SET=OK) Step Step Rh: 1 . 372 m Rh: 1 . 577 m Hd: 15 . 02 m Hd: 30 . 01 m Fig 25 Fig 26 Fig 23 Fig 24 When you see figure 23, measure Staff A.
  • Page 27 Then measure Staff A. After data showed up as Figure 30, press SET button to the next step dh: - 205 . 6 mm Now measurement of those 4 points has been err: - 11 . 3 " finished. Press SET button to confirm the CE OK result.(Figure 31) Then press SET button to Fig 31...
  • Page 28 Offset”(figure 32), press SET button to enter Staff offset(figure 33),...
  • Page 29 press SET button to confirm. (5) Input the data you get from “(2)”, Staff Height Staff Height press SET button to select digit underline place, press MEAS. Rh= 1 . 500 m Rh= 1 . 3190 m button to input 0-9 as 1.3190m Fig 35 Fig 34 (figure 34), Input numbers one by...
  • Page 30 (2) Press and hold MEAS. and Power Button to enter adjusting mode. Press Meas. to select “Stadia Err”(figure 38), press SET to enter...
  • Page 31 Stadia Err (figure 39), press SET to confirm. Actual Distance Actual Distance (3) Input distance data you get from process (1), press SET button to Hd= 35 . 220 m Hd= 25 . 000 m select digit underline place, press Fig 41 Meas.
  • Page 32 Fig 44 Fig 45 Save and restart.

  • Page 33: Fault Information

    Fault information Fault Information Reason Solution Miss the staff arget the staff and focus staff properly Barrier Remove barriet Shaking environment Wait the shaking stop or select another spot Atmosphere disturbance caused by Wait a good weather Strong wind or light Too close to staff Change measuring distance to 3m at least Poor Condition!

  • Page 34: Technical Data

    5. Technical Data Accuracy Angle of Field of view 1°20′ 1km double run leveling Stadia Constant Height Digital 0.8mm Additive Constant Optical 1.5mm Compensator D≤10m 10mm Damping Magnetic Distance D＞10m Dx0.2%m Accuracy 0.5″ Measuring Compensation Range 15′ Digital Working Range 3-110m 0.6m Optical Min-Focusing...

  • Page 35: Packing List

    6. Packing list Instrument: 1 pc Manual : 1 pc Allen key: Adjusting needle: AA battery : 4pcs Specialized bar staff: optional Plumb:...
  • Page 36 Copyright GEONiN Geo Navigation Instrument Network Co., Ltd...

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