Download
Share
Print this page
  1. Manuals
  2. Brands
  3. Johnson Manuals
  4. Tools
  5. 40-6932
  6. Instruction manual

Johnson 40-6932 Instruction Manual

Electronic digital theodolite
Hide thumbs Also See for 40-6932:

Advertisement

Quick Links

Download this manual
4430H-English_Manuals 2/22/11 11:08 AM Page 1
Electronic Digital Theodolite
Model No. 40-6932 and 40-6935

Instruction Manual

Congratulations on your choice of this Electronic Digital Theodolite.
We suggest you read this instruction manual thoroughly before using
the instrument. Save this instruction manual for future use.
WARNING:
!
©2011 Johnson Level & Tool
1

Advertisement

loading

Related Manuals for Johnson 40-6932

Summary of Contents for Johnson 40-6932

  • Page 1: Instruction Manual

    4430H-English_Manuals 2/22/11 11:08 AM Page 1 Electronic Digital Theodolite Model No. 40-6932 and 40-6935 Instruction Manual Congratulations on your choice of this Electronic Digital Theodolite. We suggest you read this instruction manual thoroughly before using the instrument. Save this instruction manual for future use.

  • Page 2: Table Of Contents

    10. Warranty Registration 5. Using the Product 11. Accessories 6. Self-Check & Fine Calibration 1. Kit Contents Description for Model 40-6932 & 40-6935 Qty. Electronic Digital Theodolite Alkaline Battery Pack (batteries not included) NiMH Rechargeable Battery Pack NiMH Battery Charger...

  • Page 3: Features And Functions

    • Battery status indicator - no power surprises and allows for better planning • Automatic shutoff - conserves battery life when not in use - can be disabled if desired ©2011 Johnson Level & Tool...

  • Page 4: Location Of Parts/Components

    Horizontal Fine Motion LCD Display Horizontal Clamp Operating Keys Tubular Vial Circular Vial Tripod Base Plate Battery Case Focusing Ring Eyepiece Telescope Fine Optical Plummet Motion Telescope Clamp Communication Port Tribrach Leveling Screw Locking Lever ©2011 Johnson Level & Tool...

  • Page 5: Operating Instructions

    10. % - Vertical slope in percent 11. REP - Repeated angle measurement mode 12. Battery power indication Note: If the display shows “b” after activating the tilt sensor, the instrument exceeds its compensation range and the instrument should be leveled. ©2011 Johnson Level & Tool...
  • Page 6 Moving the cursor to the left Moving the cursor to the right Change the number indicated by the cursor Power key Zero the horizontal angle reading Change vertical angle to percent of grade Repeated angle measurement ©2011 Johnson Level & Tool...
  • Page 7 • Now center the instruments Circular Vial by carefully extending or shortening the tripod legs closest to the bubble. Note: Use only two legs. Repeat until alignment is within 6mm (1/4 inch) or better. ©2011 Johnson Level & Tool...
  • Page 8 Go back to the first position BC, and repeat until the bubble is centered in both positions. Then from position BC turn 180º to check the adjustment. If the bubble stays centered or within 1/4 division, you are level. ©2011 Johnson Level & Tool...
  • Page 9 - y direction. Do not rotate the instrument. Recheck leveling and repeat until instrument is level and over the ground point at the same time. With practice, this becomes easier. ©2011 Johnson Level & Tool...
  • Page 10 The battery symbol on the LCD window displays the current battery strength. Full power Effective battery Effective battery Weak voltage but still effective, suggest changing battery packs Powers off automatically after symbol blinks. Replace the battery pack or recharge it. Battery Strength ©2011 Johnson Level & Tool...
  • Page 11 Placing the Battery Box on the Instrument Hook Place the projection on the bottom of the battery box into the slot on the instrument. Push the top of the battery box until it clicks into place. Battery Cover Battery Cover ©2011 Johnson Level & Tool...
  • Page 12 The reverse position refers to observation with the vertical circle being on the right. The mechanical errors can be offset by averaging the values measured in the normal and reverse positions. ©2011 Johnson Level & Tool...
  • Page 13 2. Press 0-set key once to set the reading of horizontal angle of target “A” at 0º00’00”. 3. Rotate the instrument clockwise and aim at the second target “B” to get the horizontal and vertical angle of target “B”. ©2011 Johnson Level & Tool...
  • Page 14 2. Press the HOLD key once to lock the value of the horizontal angle, the reading will flash. 3. Press the HOLD key again to unlock the reading. • The HOLD key has no effect to the vertical angle. ©2011 Johnson Level & Tool...
  • Page 15 Note: When vertical angle is converted to slope, the precision of the slope reading is two digits after the decimal. The value of slope is displayed only within a 45º (100%). When measure angle exceeds 100%, the percent will be shown as “----”. ©2011 Johnson Level & Tool...
  • Page 16 9. Repeat the last three steps according to measuring requirements. 10. If needed return back to normal angle measurement, press FUNC key, and then press the HOLD key. ©2011 Johnson Level & Tool...
  • Page 17 DEG, GON and MIL and can be chosen in the preliminary setting, or by following this procedure. Simultaneously press R/L and V/%, the angle measurement units will switch between DEG, GON and MIL. ©2011 Johnson Level & Tool...
  • Page 18 “Tilt” will appear on the display. If the instrument is inclined within +3º the tilt sensor can compensate the vertical angle. If the inclination is greater than + 3º the instrument will display “b”. ©2011 Johnson Level & Tool...
  • Page 19 Press the key twice again to turn it off. The instrument will automatically turn off to save power if it has not received an operation within 10 minutes, 20 minutes or 30 minutes. Please refer to the “initial setting” section. ©2011 Johnson Level & Tool...
  • Page 20 Setting measuring Setting 0 Setting 1 Vertical Angle mode for vertical angle vertical angle zenith angle Setting 0 Setting 1 Tilt sensor Set tilt function Set data transmission Setting 0 Setting 1 Data transmission function ©2011 Johnson Level & Tool...
  • Page 21 The new settings will be saved. Factory Settings • Minimal Resolution Reading: 2” (40-6932), 5” (40-6935) • Sound Function: OFF • Angle Display Unit: 360º...
  • Page 22 • Lift the instrument by hand, and aim the positioning block to the notch on the base plate. Mount the instrument on the base plate carefully. • Tighten the clamp knob on Positioning block the base plate. Notch Tribrach Locking Level ©2011 Johnson Level & Tool...

  • Page 23: Self-Check & Fine Calibration

    • Using the bubble adjustment screws and adjustment pin, move the bubble towards the tube center for half of the error. • Turn the leveling screw to correct the other half of the error so that the bubble is centered. ©2011 Johnson Level & Tool...
  • Page 24 Perpendicularity of Vertical Crosshair Reticle of Telescope Checking • Mount the instrument on the tripod and level it carefully. • Set a target point, A, 50 meters away from the instrument, aim the telescope at point A . ©2011 Johnson Level & Tool...
  • Page 25 • Tighten these four set screws equally and observe whether any transversal deviation appears when point A moves along the vertical hair. If not, the adjustment is over. • Assemble back the protective cover to its original position. ©2011 Johnson Level & Tool...
  • Page 26 • Rotate the instrument 180°. Aim at the target A, then lock the horizontal clamp. • Rotate the telescope 180º around the horizontal axis again. Aim at the target C. Target C should be the same with target B. • If not coincident, adjustment is necessary. ©2011 Johnson Level & Tool...
  • Page 27 Checking • After mounting and leveling the instrument, position the direction of the telescope with a line between the center of the instrument and any of its foot screws. Then tighten the horizontal braking handwheel. ©2011 Johnson Level & Tool...
  • Page 28 • If upright angle is in the zenith angle mode, then i=(L+R-360°) /2. If upright angle is in the vertical angle mode, then i=(L+R-180°)/2 or i=(L+R-540°)/2 • If the specification errors |i|° ≤ 10”, 0 reset of the upright plate specification is necessary. ©2011 Johnson Level & Tool...
  • Page 29 • Attach the theodolite to a tripod (no leveling required). • Place a target under the instrument. • Focus the image of the target then adjust the leveling screws so that the target is centered in the reticle. ©2011 Johnson Level & Tool...
  • Page 30 • Line up points AC and BD to get the point of their intersection O. • Adjust the four adjusting screws on the optical eyepiece with the adjusting pin to align the center mark with point O. ©2011 Johnson Level & Tool...
  • Page 31 “D” – Angle In Degree (360°„) “G” – Angle In Gon (400 Gon) “M” – Angle In Mil (6400 Mil) “%”– Slope Angle (-100% ~ +100%) The transmission angle value keeps consistent with the display value on the LCD. ©2011 Johnson Level & Tool...

  • Page 32: Technical Specifications

    6.18in (157mm) Angle Measuring System Angle Measurement Incremental Minimal Reading 1”, 2”, 5”, optional Angle Measurement Unit 360°, 400gon, 6400mil, optional Accuracy 40-6932 - 2”, 40-6935 - 5” Vial Tubular Vial 30”/2mm Circular Vial 8”/2mm Compensator Tilt Sensor Upright Angle Automatic...
  • Page 33 Rechargeable NiMH Battery Pack Operating Voltage 6V DC Operating Time 16 hours Working Environment Temperature Range -4F to +104F (-20C° to +40C°) Size and Weight Outside Dimension 6.29” x 5.90” x 12.99” (160x150x330mm) Weight 10.14 lbs (4.6kg) ©2011 Johnson Level & Tool...
  • Page 34 • Store the instrument in a dust-free area with low humidity. • A bag of silica gel dryer is included with each instrument. • Always remove the batteries when the instrument is not being used for a long time. ©2011 Johnson Level & Tool...
  • Page 35 4430H-English_Manuals 2/22/11 11:08 AM Page 35 9. Product Warranty Johnson Level & Tool offers a three year limited warranty on each of its products. You can obtain a copy of the limited warranty for a Johnson Level & Tool product by contacting Johnson Level & Tool's Customer Service Department, as provided below, or by visiting our web site at www.johnsonlevel.com.

  • Page 36: Warranty Registration

    NO WARRANTY. If you need any assistance in locating any accessories, please contact our Customer Service Department. In the U.S., contact Johnson Level & Tool’s Customer Service Department at 888-9-LEVELS. In Canada, contact Johnson Level & Tool’s Customer Service Department at 800-346-6682.

This manual is also suitable for:

40-6935