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Troxler Nuclear Surface Gauges

NZS 4407.4.2:2015 | NZS 4407.4.3:2015 | NZS 2891.14.1.1:2013 | NZS 2891.14.1.2:2013 | NZS 2891.14.2:2013
These are the commonly used gauges from Troxler that we sell, service, and calibrate:
  • 3430 RoadReader Basic Moisture Density Gauge
  • 3440 RoadReader Advanced Moisture Density Gauge
  • 4640-B Surface Thin Layer Density Gauge
  • 3450 RoadReader Thin Layer & Full Depth Density Gauge

RoadReader Model 3430 & 3440 Moisture Density Gauges

3430
The Model 3430 is the simplest and most economical gauge offered by Troxler.

This gauge offers many features, including:
  • Improved operation and reliability with updated electronics
  • Fast recharge with NiMH batteries
  • Easier to read in all lighting situations with an enlarged backlit display screen - 8mm characters

Optional features for the Model 3430 include:
  • Remote start keypad near the handle
  • Alkaline batteries for backup use
  • External beeper
  • Software, keypad, and manual in Spanish and French
  • Data storage
  • USB port
3440
The Model 3440 is for users who want user-friendly features.

Along with the standard features provided in the Model 3430, the Model 3440 provides additional features including:
  • Automatic depth function
  • USB port for data transfer
  • Data storage (1000 readings)
  • Alkaline battery backup

Optional features offered for the Model 3440 include:
  • GPS location
  • Remote start keypad near the handle
  • Backlit keypad
  • External beeper
  • Software, keypad, and manual in Spanish and French
Both models offer:
  • Density measurement capability in backscatter or direct transmission mode
  • Moisture measurement in backscatter mode to allow quick, non-destructive testing of soil, asphalt and concrete materials
  • Direct readout of test results (wet density, dry density, moisture, % moisture, % voids, and % compaction)
  • Multiple count time options (15 seconds, 1 minute, 4 minutes)
  • User-friendly menus and keypads
  • Options of 12”/2”, 12”/1” and 8”/2” depth measurement capability

The gauges meet or exceed the ASTM standards D6938, D2950, and C1040.
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4640-B Surface Thin Layer Density Gauge

4640-B
Recognizing the need for an improved method of measuring the density of thin layer asphalt overlays, Troxler developed the first true thin layer density gauge, the 4640-B Surface Thin Layer Density Gauge.

Designed to measure the density of thin asphalt and concrete layers from 2.5 to 10 cm
(1 - 4 inches), the Troxler Model 4640-B Thin Layer Density Gauge accurately measures the overlay density without influence from underlying material. No nomographs or manual corrections are required in order to compute the true density of the overlay. With onsite results available in as little as one minute, the Model 4640-B can provide the user with test results when they are needed, not hours after compaction has been completed.

Special Functions:
  • Automatic standard count comparison and storage
  • Data storage of 750 records for later viewing, printing, and/or downloading
  • Determination of the count time for selected precision
  • Field offsets of density and a special calibration function
  • Calculator mode
  • Diagnostics and self-test modes
  • Simple data transfer to a portable device using the free Troxler App

The Troxler Model 4640-B Thin Layer Density Gauge complies with ASTM D2950 and AASHTO T 355.
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RoadReader 3450 Thin Layer & Full Depth Density Gauge

3450
The RoadReader 3450 Thin Layer & Full Depth Density Gauge is the most versatile moisture density gauge ever produced. It combines the measurement modes proven in thousands of Troxler 3400 series gauges with a patented method for true thin layer asphalt and concrete bridge deck overlay density measurement.

By combining thin layer and full depth measuring capabilities in one instrument, the RoadReader 3450 is our flagship gauge in the 3400 series. With its versatility, speed, and economy, the RoadReader Plus is designed to satisfy your compaction control needs at every stage of your project.


The RoadReader is simple to use.
An expanded keypad and easy-to-follow prompts provide access to all major gauge functions. It also provides both density and moisture measurements without time-consuming calculations, including wet density, dry density, moisture, percent moisture, percent compaction, percent voids, and percent air voids. 

Additional Features:

  • A backlit screen provides exceptional viewing for low-light and nighttime testing.
  • An adjustable beeper signals test completion over the roar of traffic or heavy equipment. 
  • The gauge stores up to 1,000 test readings under multiple projects for future use and/or download.
  • The free Troxler App makes data transfer to a portable device simple.

Like all 3400 series gauges, the Model 3450 meets ASTM Standards D6938, D2950, C1040, and also AASHTO T 310 and T 355.
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  • Home
  • Calibration
  • Equipment
    • Aggregates >
      • Sieves & Accessories
      • Sieve Shakers
      • Sample Splitters
      • Sand Equivalent Kit
      • Clay Index Kit
      • Accelerated Polishing Machine
      • Los Angeles Abrasion Machine
      • Specific Gravity Frame & Baskets
      • Density, Voids & Absorption
      • Cleanness Value Agitator & Washing Vessel
      • Weathering Index Roller & Tray
      • Crushing Value Apparatus (ACV)
    • Soil Properties >
      • Augers & Accessories
      • Scala Penetrometers
      • Field Inspection Testers
      • Particle Size Analysis Equipment
      • Atterberg Limits
      • Moisture Content Determination
      • Universal Proctor/CBR Automatic Compactor
      • Standard & Heavy Compaction (Proctor)
      • California Bearing Ratio (CBR) Apparatus
      • Vibrating Compaction Hammer
      • Impact Soil Tester (Clegg)
      • Plate Bearing Test Apparatus
      • Sample Preparation
      • Permeability Apparatus
      • Field CBR Test Set
      • Sand Replacement Test Sets
      • Chemical Tests Apparatus
      • Gay-Lussac Specific Gravity Bottles
    • Concrete & Cement >
      • COMPACT-Line Concrete Compression Machines
      • SMART-Line Control Consoles
      • Control Consoles for Advanced Testing
      • Flexural Testing Frames
      • Concrete Pipe Testers
      • Specimen Grinding Machines
      • Concrete Moulds
      • Slump Cone Set
      • Air Entrainment Meters
      • NDT Strength Evaluation Apparatus
      • Concrete Specimen Curing
      • Concrete Saws & Mixers
      • Concrete Compaction
      • Concrete Mortar Penetrometers
      • NDT Quality & Homogeneity Evaluation
      • NDT Durability Test Apparatus
      • NDT Structural Inspection & Monitoring
      • Core Drilling Machines
      • Cement & Grout Moulds
      • Setting Time Apparatus
      • Flow Tables for Mortar & Building Lime
      • Mortar Mixers
      • Cement Specimen Curing
      • Compression-Flexural Cement Testers
    • Asphalt & Bitumen >
      • Standard Asphalt & Bitumen Test Equipment >
        • Centrifuge Binder Extractors
        • Determination of Binder by Difference
        • Binder Recovery Apparatus
        • Solvent Recovery Unit
        • TMSG (Rice) Apparatus
        • Marshall Apparatus
        • Skid Resistance & Friction Tester
        • Road Surface Irregularity Measurement
        • Benkelman Beam Apparatus
        • Dynamic & Kinematic Viscometers
        • Standard Viscometers
        • Bacon Sampler
        • Flash Point Testers
        • Distillation of Cut-Back Asphalt apparatus
        • Determination of Solubility Set
        • Particle Charge Tester
        • Emulsified Asphalt Distillation Apparatus
        • Setting Tendency of Bitumen Emulsions
      • IPC Global Performance-Based Test Equipment >
        • Automatic Binder Extractors
        • Laboratory Mixers
        • Shearbox Compactor
        • Slab Roller Compactors
        • Cutting & Coring Machines
        • Wheel Trackers
        • Gyratory Compactors
        • Mixture Perfomance Testers
        • Universal Testing Machines
        • Stand-Alone SCB Testers
        • Modular Asphalt Testers
        • Dynamic Test Accessories
        • Binder Penetrometer
        • Rotational Viscometers
        • PAV & VDO
        • RTFOT Ovens
        • Ductilometers
        • Ring and Ball Apparatus
        • Bending Beam Rheometer
        • Dynamic Shear Rheometer
    • Soil & Rock Mechanics >
      • Consolidation Apparatus
      • Shear Testing Equipment
      • Static Triaxial Systems
      • Dynamic Triaxial Systems
      • Resonant Column
      • Triaxial Cells
      • Rock Sample Preparation
      • Behavior of Joints
      • Rock Classification
      • Uniaxial & Triaxial Systems
      • Rock Permeability & Durability
      • Uniaxial & Triaxial Accessories
    • General Lab >
      • Ovens & Hot Plates
      • Balances & Weights
      • Thermometers & Hydrometers
      • Measuring Instruments
      • Laboratory Glassware
      • Porcelain, Plastic & Misc
      • Laboratory Hardware
      • General Purpose Equipment
      • Drying Test Chambers
      • Laboratory Fume Extraction
    • Universal Testers >
      • UTM - HPT Series
      • Automatic Computerized UTM
      • Cold Bend Testing Machine
      • UNIFRAME Universal Testers
  • NDMS
    • Nuclear Density Meters >
      • Troxler Models
    • NDM Survey Meter
    • NDM Shipping
    • NDM Training
  • Hire
  • Documents
  • News
  • CONTACT US
    • Meet the Team
    • Join our Team