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Spectra Precision DET-2 Manual
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Spectra Precision DET-2 Manual

Construction theodolite
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Summary of Contents for Spectra Precision DET-2

  • Page 2 DET-2 Construction Theodolite  DET-2 stands for Digital Electronic Theodolite, 2 Second  2 Arc Seconds is its angular accuracy  Contractors may also refer to this instrument as a Digital Transit, or Transit  Generally used to make sure things...
  • Page 3 Construction Positioning  The DET-2 replaces conventional methods like string and batter-boards  Allows control of alignment and position  Target Trades:  General Contractors  Concrete Contractors  Residential Contractors  Underground/Utilities Contractors 12/07/18...
  • Page 4 DET-2 Construction Theodolite  Highly Featured, Economy Priced  1” or 5” selectable display  2” accuracy  Vertical Compensation  Dual backlit displays and controls, large LCD characters  Easy to use One-Touch buttons  Completely configurable via user software ...
  • Page 5 Theodolite Applications 12/07/18...
  • Page 6 Alignment  The DET-2 can be used to align forms, footers and anchor bolts 12/07/18...
  • Page 7 Turning 90’s  The DET-2 can be used to turn 90’s and check angles 12/07/18...
  • Page 8 Checking Plumb / Tilt Up Walls  A theodolite can be set up on a parallel offset to the line for checking plumb  A steel scale can be used to check a consistent offset  Tilt-up walls can be done using a theodolite that’s set up on the line of the wall and by checking bottom and top positions...
  • Page 9 Gravity Flow Pipe / Utility Work  The DET-2 can be used for Dialgrade / Pipe Laser setups, including manhole and pipe elevations, layout and line setting  The unit compliments a Dialgrade sale 12/07/18...
  • Page 10 Basic Grade Work  Can be used for short range grade work at very steep angles  Only along the line of sight  Can be used for a run of grade stakes 12/07/18...
  • Page 11 Short Range Leveling  The telescope can be set at 0.00%, 90º or 0º (depending on Zenith setting) for short range leveling 12/07/18...
  • Page 12 DET-2 Theodolite Product Features Benefits 12/07/18...
  • Page 13 Waterproof Compact Carrying Case  The DET-2 Model number is clearly displayed on the outside of the case for inventory management  Molded, closed-cell foam inserts  O-ring water seal  Easy to carry, with recharger, backup alkaline battery pack,...
  • Page 14 NiMH Recharge Kit and Backup Alkaline Pack are BOTH INCLUDED  Easy to install and replace, positive locking knob is exclusive to the DET-2  Very long 36 hour battery life  No down time for the user due to power loss ...
  • Page 15 Dual Displays and Controls  Less walking around the instrument, faster operation when turning  Telescope tangents and locks have a positive “feel”  Quick release tribrach included 12/07/18...
  • Page 16  Largest, easiest to read characters on the market  Both displays are backlit  Telescope is also illuminated  The DET-2 is useable inside buildings, at dawn and dusk  Greatly extended work hours, especially in the winter 12/07/18...
  • Page 17 User Interface and Selectable Options  Simple to use and intuitive  One-touch keys for 0-Set, V%, HOLD, and Horizontal Right/Left  Large battery status display  User configurable Parameter Settings to individual preferences or job  Unit of Angle (degrees, gon or 6400) ...
  • Page 18 One-Touch Functions Angle Hold - to hold a Clockwise / particular angle and Counter Clockwise transfer it to another angles - for less direction calculation Zero Reset - to set Backlight and %Grade - for slopes the horizontal angle to Scope illumination zero 12/07/18...
  • Page 19 2” Accuracy, 1” or 5” Display Selection  A True, 2 Arc Second Instrument  Vertical Compensation  Can be turned on or off  Can be used for any construction application  Display can be “de-cluttered” by setting to 5” (simplifies appearance) 12/07/18...
  • Page 20 Vertical Compensation  Vertical compensation maintains the accuracy of vertical readings, since the plate vial is perpendicular to the telescope  Grades / Slopes (%)  Steep slope  Sometimes Vertical Compensation can create problems  Demos: The instrument MUST be leveled before demonstrating, and “TILT”...
  • Page 21 Summary of Features and Benefits 12/07/18...
  • Page 22 Summary of Features and Benefits  2” Accuracy, Vertical Compensation  Accurate enough for any Construction application  Display can be configured for a customers preference of Accuracy vs Complexity  Dual Displays and Controls  Easy access and operation, reduced motions per reading ...

  • Page 23: Specifications

    Specifications 12/07/18...
  • Page 24 Key Specifications: Telescope Specification DET-2 Telescope Image Erect Magnification Aperture 45 mm (1.7 in) Focus Distance 1.35 m (4.43 ft) to ∞ Field of View 1˚ 30’ 12/07/18...
  • Page 25 Key Specifications: Optical Plummet Specification DET-2 Optical Plummet Image Erect Magnification Angle of view 5˚ Focusing range 0.5 m ~ ∞ (1.6 ft ~ ∞) Reticle type Crosshair 12/07/18...
  • Page 26 Key Specifications: Angle Measuring System Specification DET-2 Angle Measuring System Minimum Reading 1” or 5” Precision 2” Units Deg / mil / gon / V % Display Dual, Large Character, Backlit LCD both sides 12/07/18...
  • Page 27 Key Specifications: Compensation, Vials, Environmental, Warranty Specification DET-2 Tilt Sensor Automatic Compensation User set On/Off, +\- 3’ Range Vials Tubular 30”/2 mm Circular 8’/2 mm Dust/Water IP-54 Operating Temperature –4° to 122°F (–20° to +50°C ) Size 164 x 154 x 340 mm (6.4 x 6.1 x 13.4 in)
  • Page 28 Operation and Demonstration 12/07/18...
  • Page 29 Power Up Steps  When turning on a DET-2 (or any digital theodolite) for a demonstration 5 steps are required: Mechanically rotate the unit Horizontally until the alignment dots are over one another. This orients the tubular vial to the correct relationship to the leveling screws.
  • Page 30 Power Up Steps  When turning on a DET-2 (or any digital theodolite) for a demonstration 5 steps are required: PRESS and HOLD the power button until the display briefly flashes (about 2 seconds). Immediately raise your finger from the button. “TILT” will be indicated at the top of the display.
  • Page 31 Power Up Steps  When turning on a DET-2 (or any digital theodolite) for a demonstration 5 steps are required: LEVEL the DET-2 tubular vial by turning the 2 leveling screws at the back of the unit. The screws should be turned in opposite directions of each other.
  • Page 32 Power Up Steps  When turning on a DET-2 (or any digital theodolite) for a demonstration 5 steps are required: Rotate the DET-2 Horizontally 90°. LEVEL the DET-2 tubular vial by turning the FRONT leveling screw ONLY. Repeat the leveling steps until the DET-2 can be rotated 360°...
  • Page 33 Power Up Steps  When turning on a DET-2 (or any digital theodolite) during a demonstration 5 steps are required: To clear “SET0” from the display rotate the telescope vertically 360°. This lets the vertical encoder “find” its proper zero point.
  • Page 34 Power Up Steps: NOTE  Steps 3 and 4 can be eliminated in a demonstration by entering the menu system and turning TILT OFF. This turns off the TILT sensor and Vertical Compensation.  To turn TILT OFF, see the next section on CHANGING PARAMETER SETTINGS 12/07/18...
  • Page 35 Demonstration  Point out to the Dealer/Customer:  The DET-2 is a 2” instrument, with Vertical Compensation, that is accurate enough for any Construction application. The display can be set to read out in 1” or 5” increments, whichever the customer desires (choice of Accuracy vs Complexity).
  • Page 36 Demonstration  Point out to the Dealer/Customer:  Dual backlit displays and controls for easy operation, especially when turning 90°s  Unique large LCD characters, about 50% larger than other units, PLUS an illuminated Telescope for easy reading indoors, or at dawn and dusk.

  • Page 37: Changing Parameter Settings

    Changing Parameter Settings 12/07/18...
  • Page 38 Changing Parameter Settings  Make sure the unit is OFF.  Simultaneously PRESS and HOLD the 0SET and HOLD buttons.  PRESS and HOLD the On/Off button for 2 seconds, until the display flashes on. Let up on the On/Off button. ...
  • Page 39 Changing Parameter Settings  Use the top buttons to scroll left and right through the PARAMETER OPTIONS.  Use the 0SET button to change the settings for each option.  When finished, press V% to store the new settings and exit the PARAMETER SETTINGS menu.
  • Page 40 Hands On 12/07/18...
  • Page 41 Hands On Turning 90’s Setup and level over a point Sight a control point Reset angle to zero Turn a 90 Mark several points on the alignment 2) Short range leveling (Note difference in accuracy between V% and Degrees) 3) Change Parameter Settings 12/07/18...

  • Page 42: Service And Warranty

    Service and Warranty 12/07/18...
  • Page 43 Service and Warranty  1 year standard warranty  Unit is repaired at no charge when under warranty  Service through authorized service centers 12/07/18...

  • Page 44: Competitive Comparisons

    Competitive Comparisons 12/07/18...
  • Page 46 Some competitive units may have Absolute Encoder systems, that “remember” their last angles and don’t require initialization  over time Although accuracy can degrade with these systems  The DET-2 “solution” to this is to disable AUTO- SHUTOFF (SEE the PARAMETER SETTING section) 12/07/18...