Leica 7640110691724 User Manual Download Page 2

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NA2/NAK2-2.0.0en

This manual contains important safety directions as well as
instructions for setting up the product and operating it. Refer to
"Safety Directions" for further information.
Read carefully through the User Manual before setting up the
product.

Congratulations on your purchase of a NA2/NAK2 automatic
level.

Automatic level

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Summary of Contents for 7640110691724

Page 1: ...User Manual English Version 2 0 Leica NA2 NAK2 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 2: ...ct and operating it Refer to Safety Directions for further information Read carefully through the User Manual before setting up the product Congratulations on your purchase of a NA2 NAK2 automatic level Automatic level Automatic level www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 3: ... model and serial number in your manual and always refer to this information when you need to contact your agency or Leica Geosystems authorized service workshop Type Serial no Product identification Product identification www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 4: ...result in death or serious injury CAUTION Indicates a potentially hazardous situation or an unintended use which if not avoided may result in minor or moderate injury and or appreciable material financial and environ mental damage Important paragraphs which must be adhered to in practice as they enable the product to be used in a technically correct and efficient manner Symbols Symbols used in thi...

Page 5: ...paration 10 Measuring 14 Checking and adjusting 20 Care and Storage 22 Safety Directions 25 Accessories 32 Technical Data 34 Index 35 View of chapters View of chapters www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 6: ...ing total station measuring 18 Levelled stakeout 18 Precise levelling 19 Checking and adjusting 20 Tripod 20 Circular level 20 Checking and adjusting of the line of sight 21 Care and Storage 22 Transport 22 In the field 22 Inside vehicle 23 Shipping 23 Storage 23 Cleaning 24 Safety Directions 25 Intended use of instrument 25 Permitted uses 25 Adverse uses 25 Limits of use 26 Responsibilities 27 Ha...

Page 7: ...ations and at all orders of accuracy The instantaneous check facility with the push button control promotes confidence Easy operation quick to learn Robust and reliable High setting accuracy Endless drive Telescope with excellently corrected optics for bright high contrast images Enables angle measurements with internal glass circle NAK2 model Optional parallel plate micrometer for precise fine le...

Page 8: ...rism for viewing circular level 6 Rapid fine focussing knob 7 Objective housing 8 Push button for compen sator control 9 Footscrew 10 Milled rim for Hz circle setting NAK2 only 11 Circular level 12 Base plate 13 Endless horizontal drive both sides 11 6 9 12 4 5 8 10 2 1 NA 02 3 7 13 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 9: ... line By centring the circular level the instrument is almost level A small instrument tilt remains the vertical axis tilt Compensator The compensator in the instrument is responsible for compensating the vertical axis tilt enabling an exactly horizontal aiming The push button gives the pendulum a slight tap to check the functioning of the compensator NA 05 NA 06 NA 04 A B R V S H Plumb line Verti...

Page 10: ...ok 1 Level 2 User Manual 3 Allen key Adjusting pins 4 Protective cover sun shade Remove NA2 NAK2 level from the case and check that all components are present Case contents Measurement preparation NA 35 2 1 4 3 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 11: ... 2 In order to guarantee a firm foothold sufficiently press the tripod legs into the ground When pressing the legs into the ground note that the force must be applied along the legs Careful handling of tripod Check all screws and bolts for correct fit During transport always use the cover supplied Scratches and other damages can result in poor fit and measuring inaccuracies Use the tripod only for...

Page 12: ...o centre position 3 Centre circular level by turning the foot screws Centring the circular level 1 Turn foot screws A and B simultaneously in opposite directions until bubble is in the centre on the imaginary T 2 Turn foot screw C until bubble is centred NA 12 NA 13 NA 14 B A C www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 13: ...b until image of staff is sharply focused If the eye is moved up and down behind the eyepiece the image of the staff and the reticule should not move relative to each other For centring over a ground point 1 Attach plumb bob 2 Loosen central fixing screw slightly and shift instrument parallel on tripod until the plummet is exactly over the point 3 Tighten central fixing screw Centring NA 15 NA 16 ...

Page 14: ... the instrument adjust to the ambient temperature approximately 2 minutes per ºC of temperature difference 1 Setup instrument level and sharp focus the reticule 2 Setup level staff vertically refer also to Instruction Manual of staff 3 Roughly aim on staff using the coarse aiming device 4 Sharp focus using the focusing knob Height reading 5 Fine aim on staff using the endless drives 6 Check if cir...

Page 15: ...le to the centre of the staff By turning the milled ring the circle can be set to 0 or any desired reading Angle measuring Circle reading 392 66 The circle is viewed through the scale microscope and sharply focussed by turning the microscope eyepiece The Hz angle is read from the graduation line which protrudes into the scale Each scale line represents 10 The minutes are read from the top scale li...

Page 16: ...t the changepoint 2 aim at staff and read off and take down height foresight V 5 Setup level at I2 aim at staff at the changepoint 2 and read backsight and take down 6 Carry out a foresight at changepoint 3 7 Continue in the same way until height at point B is measured Result H sum backsight sum foresight Example of the booking NA 28 A B 2 3 R V R V R V I1 I2 I3 d1 d2 H Point No Back sight R Fore ...

Page 17: ...lly at reference point A 3 Aim at staff and read and take down height backsight to known point 4 Set up staff vertically at point 1 5 Aim at staff and read and take down height measuring intermediate point intermediate sight 6 Repeat steps 4 and 5 for additional intermediate points Height Height of station point backsight A intermediate sight NA 29 R S1 A 1 2 3 4 S2 S3 S4 7 The height of individua...

Page 18: ... map points are determined by position and height Levelled stakeout The stakeout is the counterpart to the levelling total station measuring map points are set out in the field Procedure 1 Set up instrument at a known point centre and level up 2 Focus instrument and aim on known orientation point 3 Orient horizontal circle Hz direction 4 Move staff to stakeout point on the basis of known values di...

Page 19: ...easurements is the same as with line levelling However the best observing length is approx 25m 2 When reading the staff turn the micrometer knob until a graduation line is centred between the wedge shaped hairs of the reticle 3 Centimetres are read from the staff and millimetres from the micrometer scale 4 Leica invar staffs have two sets of graduations These are read alternatively between foresig...

Page 20: ... must always be tight 1 Tighten the Allen screws 2 moderately if available 2 Tighten the articulated joints on the tripod head 1 just enough to keep the tripod legs open when you lift it off the ground Tripod NA 30 4 Correct the half error using an adjusting pin and repeat steps 2 and 3 until the bubble of level is in the centre in any telescope direction NA 32 2 1 2 3 www GlobalTestSupply com Fin...

Page 21: ...ht must be adjusted 1 Screw off the protective cover 2 Turn the adjusting screw until the horizontal hair gives the nominal reading A2 on staff A The last turn of the adjusting screw should be clockwise 3 Screw on the protective cover 4 Repeat the checking procedure NA 45 NA 44 d d d A B A2 B2 A1 B1 1 2 8 Compare the nominal actual reading for A2 Parallel plate micrometer When using the parallel p...

Page 22: ...the field adjustment parameters indicated in this manual before using the product Care and Storage Transport In the field When transporting the equipment in the field always make sure that you either carry the product in its original transport container carry the tripod with its legs splayed across your shoulder keeping the attached product upright NA 19 NA 39 www GlobalTestSupply com Find Quality...

Page 23: ...Data for information about temperature limits If the equipment is to be stored for a long time remove the alkaline batteries from the GEB63 battery box in order to avoid the danger of leakage Inside vehicle Shipping When transporting the product by rail air or sea always use the complete original Leica Geosystems packaging transport container and cardboard box or its equivalent to protect against ...

Page 24: ... continued If the instrument becomes wet leave it unpacked Wipe down clean and dry the instrument at not more than 40 C 104 F transport case foam inserts and accessories Pack up the equipment only when it is completely dry When using the instrument in the field always close the transport case Do not use other liquids these may attack the polymer components NA 40 NA 24 www GlobalTestSupply com Find...

Page 25: ...rallel plate micrometer Optical distance measuring with stadia readings Angle measurements and staking out with horizontal circle only NAK2 model Intended use of instrument Adverse uses Use of the product without instruction Use outside of the intended limits Disabling safety systems Removal of hazard notices Opening the product using tools for example screwdriver unless this is specifically permi...

Page 26: ...e for limited periods splash water proof DANGER Local safety authorities and safety experts must be contacted before working in hazardous explosive areas or in close proximity to electrical installations or similar situations by the person in charge of the product Adverse uses contd WARNING Adverse use can lead to injury malfunction and damage It is the task of the person responsible for the equip...

Page 27: ...e safety concepts in combination with the Leica Geosystems product Person in charge of the product The person in charge of the product has the following duties To understand the safety instructions on the product and the instructions in the user manual To be familiar with local regulations relating to safety and accident prevention To inform Leica Geosystems immediately if the product and the appl...

Page 28: ... long periods or transported Precautions Periodically carry out test measurements and perform the field adjustments indicated in the user manual particularly after the product has been subjected to abnormal use and before and after important measurements DANGER Because of the risk of electrocution it is very dangerous to use poles and extensions in the vicinity of electrical installations such as ...

Page 29: ...ding sites and at industrial installations Precautions Always ensure that the survey site is adequately secured Adhere to the regulations governing safety and accident prevention and road traffic CAUTION Be careful when pointing the product towards the sun because the telescope functions as a magnifying glass and can injure your eyes and or cause damage inside the product Precautions Do not point ...

Page 30: ...ked in position Avoid subjecting the product to mechanical stress Never position the product on the tripod baseplate without securely tightening the central fixing screw If the screw is loosened always remove the product immediately from the tripod CAUTION When using a vertical staff supported by one brace there is always the danger of falling for example by wind gusts and therefore danger of dama...

Page 31: ...By disposing of the product irresponsibly you may enable unauthorized persons to use it in contravention of the regulations exposing themselves and third parties to the risk of severe injury and rendering the environment liable to contamination Hazards of use continued Precautions Dispose of the product appropriately in accordance with the regulations in force in your country Always prevent access...

Page 32: ...bjective and locked in position with the knob 4 By turning the micrometer knob the parallel sided glass plate is tilted thereby causing the line of sight to be raised or lowered The range of displacement is 10mm On the scale seen in the GPM3 s eyepiece the amount of displacement is read directly to 0 1mm and estimated to 0 01mm NA 46 Accessories 4 2 1 3 www GlobalTestSupply com Find Quality Produc...

Page 33: ...rometer the FOK73 eyepiece giving 40x magnification may be preferred GVO10 Auxiliary lens Art No 335958 When short focussing distances are required the auxiliary lens can be fitted to the objective Measuring range is 1 8 to 0 9m GEB60 Eyepiece lamp with cable Art No 394785 With the eyepiece lamp the NA2 can be used as a collimator for horizontal sighting GEB62 Plug in lamp with cable Art No 394787...

Page 34: ...ent Multiplication factor 100 Additive constant 0 Compensator Working range 30 Setting accuracy stand dev 0 3 Technical Data Circular level Sensitivity 8 2 mm Glass circle of NAK2 Graduation 360º or 400 gon Graduation diameter 70 mm Graduation interval 1º or 1 gon Optical scale interval 10 or 10c Reading by estimation to 1 or 1c Temperature range Storage 40ºC to 70ºC 40ºF to 158ºF Operating 20ºC t...

Page 35: ...ng 24 Compensator 9 D Distance line 15 E Electrical installations 28 Environment 26 Eyepiece 13 33 F Focusing 13 33 H Height difference 9 16 17 Horizontal circle 15 Hz angle 18 Hz circle 15 L Line levelling 16 Line of sight 21 O Optical sight 13 P Packaging 23 Plumb bob 13 Plummet 13 Precise levelling 19 32 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 36: ...distance 28 Sharp focus 14 Shipping 22 23 Stakeout 18 Storage 22 24 Storing 23 T Target distances 16 Total station measuring 18 Transport 22 Transport case 22 24 Tripod 20 V Vibrations 14 W Wet instrument 24 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 37: ...uality Management and Quality Systems ISO standard 9001 and Environmental Management Systems ISO standard 14001 Total Quality Management Our commitment to total customer satisfaction Ask your local Leica Geosystems agent for more information about our TQM program www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

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