DR400 Digital Rod

The Spectra Precision® DR400 DigiRod™ Digital Rod is a versatile, revolutionary tool that eliminates the need for grade rods when checking grades with a rotating laser. The combination of a laser receiver with digital readout, laser distance meter, and built-in tilt sensor provide the information required to take rod-less, accurate grade readings, even at tilt angles up to 30 degrees.

      Check elevations quickly without conventional grade rods
      Increase worker safety by reducing the need to enter trenches
      Eliminate calculation errors and out of plumb errors
      Eliminate tool marks on screeded concrete
      Increase productivity with quicker grade checks

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Spectra Precision® DR400 DigiRod – The Rod-less Grade Checker

Various grade rods can be emulated including direct elevation rods, cut/fill rods and indirect reading rods. Units of measure are selectable with the press of a button in meters, decimal feet or fractional inches. Elevation measurements can be taken up to 6 meters (20 feet) and the tilt sensor ensures accuracy by automatically correcting to actual vertical distance. The user simply places the laser distance meter spot on the location a grade check is required, picks up the rotating laser beam anywhere on the reception window, and the distance from ground to the rotating beam is measured and displayed.

Based upon the popular HL700 Laserometer, the DR400 DigiRod functions as a laser receiver and will work with any rotational red beam laser.

As a stand-alone laser distance meter, the DigiRod is designed to give contractors a one-person distance measuring and estimating tool to measure remote and difficult-to-reach places such as high overheads, factory interiors, or over water.

Features & Benefits

As DigiRod
     • Extremely portable, universal system that eliminates the need to carry, transport, or maintain multiple grade rod types
     • Increases safety, reducing the need to lean over or go into excavations or trenches
     • Increases accuracy, the internal angle compensation system reduces errors and extra material costs due to tilted grade rods
     • Increases productivity by always having the correct rod on-hand, and eliminating tool marks on screeded concrete
     • Easy to learn, easy to use – the simple graphical display and bright backlight allow for fast readings in low light
     • Works with existing rotating lasers, increasing productivity with a fast payback

As a Rod Mounted Digital Laserometer
     • Digital Readout of Elevation allows faster readings by displaying the exact numerical distance from grade, eliminating the need to move the receiver to get to “on-grade”
     • Anti-Strobe Sensor stops construction strobe lights from setting off the receiver, and eliminates phantom strikes for easier identification of true laser beam signals
     • Large 12.7 cm (5 inch) reception height allows faster readings by acquiring the beam quickly, and makes it easier to stay in the beam
     • Universal Reversible Clamp for square or oval rods
     • Simultaneous elevation LEDs and bright backlight reinforces the elevation display in low light for faster readings

As Handheld Laser Distance Meter
     • Increases productivity by one tool having multiple applications
     • Increases safety by allowing one person to make accurate readings in difficult-to-reach areas
     • Increases accuracy, eliminating issues with sagging or misheld tapes at different temperatures

      Check grades without grade rods
      Tilt compensation ensures accurate readings
      Large, easy to read, graphical display
      Multiple units of measure – m / ft / in
      Non-contact elevation measurement
      Anti-strobe sensor
      Extremely durable and portable
      5 Year warranty (3 Year No-Cost)

Stand Alone Handheld Distance Meter
      Range up to 50 m (160 ft)
      Accuracy of ±2.0 mm (1/16 in)
      Multiple units of measure

Stand Alone Laserometer
      Digital readout of elevations
      5 On-Grade Accuracies
      Large 12.7 cm (5 inch) reception height


      Backlight: Yes, On for 30 seconds after keypress/reading
      Elevation LEDs: HI: Red, On-Grade: Green, Low: Blue
      Anti-strobe sensor: Yes
      Audible Sound Tones: Loud, Medium, Low, and Off
      Reception Height: 127 mm (5 inches)
      Reception Angle: 90 degrees
      Auto Shut-Off: 30 minutes, 24 hours, Off
      Dust and Waterproof: Yes (IP67)
      Laser Beam: 639 nm Class 3R
      Weight (no handle/clamp): 540 g (19 oz)
      Warranty: 5 years (3-No Excuses, 2-Manufacturer Defects)

In DigiRod Mode:
      Three On-Grade Sensitivities: (Typical at a 1.5 m (5 ft) Height of Instrument)
          – AUTO with shot confidence reporting
          – 3 mm (1/8 inch) fixed
          – 10 mm (1/2 inch) fixed
      Tilt Angle Compensation:
          – AUTO: 30° tilt allowed, spotting beam blinks and slow chirp tone when exceeded, shot confidence reported
          – 3 mm: 5 degrees tilt allowed, spotting beam blinks and slow chirp tone when exceeded
          – 10 mm: 10 degrees tilt allowed, spotting beam blinks and slow chirp tone when exceeded
      Emulated rod types, 6 m (20 ft) long:
          – Direct Elevation
          – Indirect Elevation
          – Cut/Fill
      Emulated rod units: Meters, Feet-Tenths (decimal feet), Feet-Inches (1/8 or 1/16)
      Battery Life (AA-4): 1,500 shots typical In Laser Distance Meter Mode:
      Measurement Range: 50 m (160 ft)
      Measurement Accuracy: ± 2.0 mm (± 1/16 in)
      Measurement Reference: Rear (top) face of the unit
      Units: Meters, Feet-Tenths (decimal feet), Feet-Inches (1/8 or 1/16)
      Continuous/Min-Max Mode: Yes
      Display Memory: Previous 2 shots constantly displayed
      Battery Life (AA-4): 1,500 shots typical In Laserometer Mode:
      Six On-Grade Sensitivities:
          – Ultra Fine: 0.5 mm (0.02 / 1/32 in)
          – Super Fine: 1.0 mm (0.05 / 1/16 in)
          – Fine: 2.0 mm (0.10 / 1/8 in)
          – Medium: 5.0 mm (0.20 / 1/4 in)
          – Coarse: 10 mm (0.50 / 1/2 in)
          – Calibration: 0.1 mm (0.01 1/64 in)
      Audio: High – Fast Tone, On – Continuous Tone, Low – Slow Tone
      Capture Mode: Yes
      Special Functions (via MENU): Sensitivity, Averaging, Lost Beam, Arrow Modes, Grade Alert, Information
      Battery Life (AA-4): >70 hours typical use

System includes DR400 DigiRod, removable handle, heavy duty rod clamp with reversible jaw and bubble vial, pouch with belt clip and removable laser glasses partition, laser glasses, 4-AA batteries, universal quick guide and user manual.