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RoadReader 3450 Thin Layer & Full Depth Density

    RoadReader 3450 Thin Layer & Full Depth Density

    $0.72

    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.

    Easy Operation and Quick Measurements 

    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 Standard Test Methods D6938, D2950, C1040, and also AASHTO T 310 and T 355.

     

    Measurement (U.S. Customary Units)
    Direct Transmission Density (6")
    15 sec.
    1 min.
    4 min.
    Precision at 120 pcf
    ±0.32 pcf
    ±0.15 pcf
    ±0.08 pcf
    Composition error at 120 pcf
    ±0.50 pcf
    ±0.50 pcf
    ±0.50 pcf
    Surface error (0.05", 100% Void)
    -1.1 pcf
    -1.1 pcf
    -1.1 pcf
     
     
     
    Backscatter (98%) (4")
    15 sec.
    1 min.
    4 min.
    Precision at 120 pcf
    ±1.00 pcf
    ±0.50 pcf
    ±0.25 pcf
    Composition error at 120 pcf
    ±0.87 pcf
    ±0.87 pcf
    ±0.87 pcf
    Surface error (0.05", 100% Void)
    -5.0 pcf
    -5.0 pcf
    -5.0 pcf
     
     
     
    Moisture at 15 pcf
    15 sec.
    1 min.
    4 min.
    Precision at 15 pcf
    ±0.69 pcf
    ±0.34 pcf
    ±0.17 pcf

    Surface error (0.05", 100% Void)
    Depth of measurement @ 15 pcf (8.45")

    -1.12 pcf
     
    -1.12 pcf
     
    -1.12 pcf
     
     
    Measurement (S.I. Units)
    Direct Transmission Density-150mm
    15 sec.
    1 min.
    4 min.
    Precision at 2000 kg/m3
    ±5.2 kg/m3 
    ±2.6 kg/m3
    ±1.3 kg/m3
    Composition error at 2000 kg/m3 
    ±8.0 kg/m3 
    ±8.0 kg/m3
    ±8.0 kg/m3
    Surface error (1.25mm, 100% Void) 
    -18.0 kg/m3
    -18.0 kg/m3
    -18.0 kg/m3
     
     
     
    Backscatter (98%) (100mm)
    15 sec.
    1 min.
    4 min.
    Precision at 2000 kg/m3
    ±16.0 kg/m3
    ±8.0 kg/m3
    ±4.0 kg/m3
    Composition error at 2000 kg/m3
    ±14.0 kg/m3
    ±14.0 kg/m3
    ±14.0 kg/m3
    Surface error (1.25mm, 100% Void)
    -80.0 kg/m3
    -80.0 kg/m3
    -80.0 kg/m3
     
     
     
    Moisture
    15 sec.
    1 min.
    4 min.
    Precision at 250 kg/m3
    ±11.0 kg/m3
    ±5.5 kg/m3
    ±2.8 kg/m3

    Surface error (1.25mm, 100% Void) 
    Meas. Depth @ 250 kg/m3 - 212.5mm

    -19.0 kg/m3
     
    -19.0 kg/m3
     
    -19.0 kg/m3
     
     
    Thin Overlay Mode
    Precision at 2240 kg/m3 (140 pcf)      
    Time (minutes)
    Thickness
    kg/m3
    pcf
    1
    2.5 cm (1.0")
    ±16
    ±1.0
    5.0 cm (2.0")
    ±10
    ±0.60
    6.3 cm (2.5")
    ±8
    ±0.50
    10.0 cm (4.0")
    ±8
    ±0.50
     
    4
    2.5 cm (1.0")
    ±8
    ±0.50
    5.0 cm (2.0")
    ±5
    ±0.30
    6.3 cm (2.5")
    ±4
    ±0.25
    10.0 cm (4.0")
    ±4
    ±0.25
     
    Radiological
    Gamma Source 0.30 GBq (8 mCi) ±10% Cs-137
    Neutron Source

    1.48 GBq (40 mCi) ±10% Am-241:Be

    Source Type Sealed Source - Special Form
    Source Housing Stainless Steel Encapsulation (single or double)
    Shipping Case Type A, Yellow II, TI =0.6
     
    Electrical
    Power Source(s) NiCad and AA Alkaline Batteries
    Stored Power 33 watt-hours
    Average Power Consumption

    Idle Mode: 0.12 watts
    Measurement Mode: 0.17 watts
    Standby Mode: 0.06 watts
    Backlight Mode: 0.6 watts

    Default Time before Sleep Mode 30 seconds between key presses, no loss of data or previous status
    Time before Automatic Shutdown

    5 hours of complete inactivity

    Battery Recharge Time 4 hours maximum, automatic shutoff
    Charge Source 12 V dc Nominal, 800 MA minimum
    Readout 4 x 20 alpha-numeric backlit LCD
    Keypad 33 key sealed membrane
    RAM 128 kbytes non-volatile
    Serial Data Format 8 data bits, 2 stop bits, no parity
     
    Mechanical
    Gauge Height (with handles) 12" rod: 604 H x 411 L x 229 W mm 
    (23.8 H x 16.2 L x 9.0 W in.)

    8" rod: 503 H x 411 L x 229 W mm 
    (19.8 H x 16.2 L x 9.0 W in.)
    Case High Impact Plastic
    785 H x 353 L x 455 W mm 
    (30.8 H x 13.9 L x 17.9 W in.)
    Weight 17 kg (37.5 lbs.)
    Shipping Weight 43 kg (96 lbs)
    Operating Temperature 32º to 122º F  (0º to 50º C)
    Storage Temperature 0º to 140º F  (-18º to +60º C)
    Max Text Material Surface Temp. 175°C (347°F) for 15 minutes
    Humidity

    98%, non-condensing


    In addition to all the features found on the Models 3430 and 3440, the RoadReader 3450 Thin Layer & Full Depth Density Gauge gives you these additional features:

    • Covers all density and moisture measurement needs
    • Measures thin layer asphalt, full depth asphalt, soil, and aggregates
    • Runs on quick charge NiCad batteries or alkaline batteries
    • Sleep mode allows the gauge to conserve power when not in use
    • Adjustable beeper can be heard over traffic and equipment
    • Stores up to 1,000 test results
    • Backlit display allows for nighttime use
    • An alphabetical keypad allows you to enter notes for each project
    • An 18-month warranty
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