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SDL1
Digital Level
U SE R M ANU AL
info@satlabgps.com | www.satlabgps.com

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Summary of Contents for SatLab SDL1

  • Page 1 SDL1 Digital Level U SE R M ANU AL info@satlabgps.com | www.satlabgps.com...
  • Page 2 F O REW ORD Thank you for purchasing the Satlab Digital Level SDL-1. For the best performance of the instrument, please read this user manual carefully and keep them for future reference. NOT IC E • For optimum usage, this instrument should be checked and adjusted especially after being stored for a long time or after being transported.
  • Page 3 Clean the optical parts only with lens paper. • Store the instrument in a dry room with consistent temperature. • If the instrument requires repair, make sure that it is checked and repaired by Satlab technicians or by appointed dealers.
  • Page 4: Table Of Contents

    C ONTEN T S 1. Important Parts and 2.4.1 Height Measurement Operation Manual 2.4.2 Height Difference 1.1 Important Parts 2.4.3 Stadia Measurement 1.2 Buttons 2.4.4 Angle Measurement 1.3 Display Screen 3. Checking and Adjustment 2. Instrument Operation 3.1 Circular Bubble 2.1 Preparation 3.2 Line of Sight 2.1.1 Installation of Battery...
  • Page 5: Important Parts And Operation Manual

    1 . I mpo rta nt Parts an d Ope ra t i o n al M an u al This figure shows the parts of the instrument 1. 1 Impo rta nt Parts Objective Lens Peep Sight Screen Buttons Seal Plug Eye Piece Graduation Pointer...
  • Page 6: Buttons

    1 . 2 Bu t ton s Left to Right 1. Main Function: Power/Mode/Setting/Measure 2. Settings Function: None/Quit/Confirm/Shift ON/OFF MODE MEAS. 3. Input Function: None/Quit/Shift/Input 1 . 3 Di spla y Scree n Measure Mode: Height / Height Different Measure: S-Single A-Average R-Repeat Staff /...
  • Page 7: Instrument Operation

    Fig 5 2 . I ns trume nt Ope rat i on 2. 1 Pre para t ion Fig. 1 2.1.1 Installation of Battery Loosen screw and open the battery cap (fig.1). Install four AA batteries as shown in fig. 2. Lock the cap and tighten the set screw.
  • Page 8: Sight And Focusing

    Rh: 1.568m Hd: 29.36m Fig 10 2. 2 Sig ht a nd Focu si n g • Rotate the eyepiece to ensure that the reticle is clear (fig. 4) DIFF • Target the staff through the peep sight. dH: 0.189m Rotate the focusing knob to make the staff image clear.
  • Page 9: Digital Mode

    Attention: • Bar side is for digital mode measurement while ruler side is for optical mode. • Digital measurement only fits our standard bar staff. • Keep the staff in a vertical position with the help of the bubble level (You can find this accessory in the staff package) 2.
  • Page 10: Inverse Staff Mode

    • MEAS. BS (Staff A) will show up on the screen. Measure the first staff and get the data as Height = 1.568m and Distance = 29.36m (fig. 9). DIFF Press SET button then Meas. FS (Staff B) will show Rh: 1.568m up.
  • Page 11: Instrument Set-Up

    2.3.2 Instrument Set-up After start-up, press SET button to enter settings mode. Set button is used for selection while MEAS. button is used for confirmation. MODE button is used to exit. • Measure Mode Single: Data is figured out by a single measurement. You can see the “S” on the screen when this mode is activated.
  • Page 12: Operational Settings

    • Units m: Metre ft: Foot • Rounding Minimum reading: 0.01/0.001m • Auto Off: 15min - The instrument will power off after 15 minutes of idle Off - Instrument will keep running until power is off • Average Times: Data is figured out by 1 to 9 times for measurement 2.3.3 Operational Settings Press and hold the SET button to turn on/turn off the backlight In 3 seconds after start-up, you can check instrument ID number by pressing SET...
  • Page 13: Height Difference

    • Read data as fig.9, H = 1.165m Fig. 9 2.4.2 Height Difference • Set up the instrument at a point approximately halfway between point A and point B • Position the staff vertically at point A, take a reading as ‘a’ (Example a= 1.735m) •...
  • Page 14: Stadia Measurement

    Fig. 10 2.4.3 Stadia Measurement • Read the staff and count the difference between L and 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 15: Angle Measurement

    Up Stadia Line Down Stadia Line Fig. 11 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. fig. 12: Hz 43° Fig.
  • Page 16: Checking And Adjustment

    3. C heckin g and Ad j u stm en t Please check the instrument before you start work. The instrument must be checked and adjusted by a specialist regularly. 3. 1 C ircula r B ub b l e •...
  • Page 17: Line Of Sight

    Up Stadia Line 3. 2 L in e o f Sig ht Down Stadia Line δ δ Fig 14 fig.14 3.2.1 Optical • Set the instrument at a point halfway between point A and B spaced about 30 - 40m apart. Take the readings of staff A and staff B as “a1”...
  • Page 18: Digital

    δ Δ Offset  fig. 15 • 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 adjusting screw until the horizontal hair moves to reading b2’ Use footscrews to ...
  • Page 19 Tips: The ensure a correct adjustment, the distance between those points should be kept at a certain range as 15±0.5m Fig 17 fig. 17 • First set the instrument at point 1. Press and hold Meas. Collimation Correct Button and press the Power Staff Offset Collimation Error? button to enter adjustment...
  • Page 20 S t e p S t e p R h : 1 . 5 7 7 m R h : 1 . 3 7 2 m Hd : 3 0 . 0 1 m Hd : 1 5 . 0 2 m Fig 18 fig.
  • Page 21: Staff Offset

    • Now measure those 4 points that has been completed. Press the SET button to confirm the results (fig. 28). Then press the SET button to save and restart d h : - 2 0 5 . 6 mm 3. 3 St aff O ffset e r r : - 1 1 .
  • Page 22: Stadia Err

    • Input the data you get from “(2)”, press the SET button to select the digital underline place, press MEAS. button to input 0-9 as 1.3190m (fig. 31), Input numbers one by one. When “Enter” shows up in the screen, (fig.32), press the SET button, it will mentioned for you S t a f f H e i g h t S t a f f H e i g h t...
  • Page 23: Reset

    • Input the distance data you get from process (1), press the SET button to select digit underline place, press Meas. to input 0-9 (fig. 37). Input the numbers one by one. When “Enter shows up on screen (fig. 38), press the SET button, and it will mention for you Ac t u a l D i s t a n c e Ac t u a l D i s t a n c e to aim at the staff.
  • Page 24: Fault Information

    4. Fa ul t Informat i on Fault Information Reason Solution Poor Condition Unable to detect staff Target the staff and focus on it properly Barrier Remove barrier Unstable environment Find another spot Atmostphere disturbance Wait for good weather caused by strong wind or light Too close to staff Change measuring distance to at least 3m Eyepiece received too much light...
  • Page 25: Technical Data

    5. Tec hnic al D at a Accuracy Distance Measurement 1km double run leveling Multiplication factor Additive constant Height: Digital 0.8mm Optical 1.5mm Compensator Distance: D≤10m 10mm Damping Magnetic D>10m Dx0.2%m Accuracy 0.5” Working range 15’ Measuring Digital working range: 3-110m Circular Level Optical min.
  • Page 26: Packing List

    6 . Pa ck i ng Li st Instrument 1 Piece Manual 1 Piece Carrying Case 1 Piece Allen Key 1 Piece Adjusting Needle 1 Piece AA Battery 4 Pieces Plumb 1 Piece Specialized bar staff Optional Datavägen 21B SE-436 32 Askim, Sweden info@satlabgps.com | www.satlabgps.com...