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RoadReader Model 3430/3440 Moisture Density Gauge

    RoadReader Model 3430/3440 Moisture Density Gauge

    $1.00

    The Troxler nuclear moisture density gauges are used by many contractors, engineers, and highway departments for compaction control of soil aggregate, concrete, and full depth asphalt. The gauges meet or exceed the ASTM standards D6938, D2950, and C1040. The operator selects the density measurement mode, backscatter, or direct transmission based on the material type and the thickness of the layer being measured.

    These updated gauges offer new standard features and many optional new features. The owner can customize the gauge to meet their testing needs.

    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

    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
    • 18 month warranty

    Measurement Specifications

    Direct Transmission (150 mm)

     

    .25 min

    1 min

    4 min

      Precision kg/m3 (pcf)

      ±6.8  (±0.42)

      ±3.4 (±0.21)

      ±1.7 (±0.11)

      Composition error (kg/m3)         (pcf)

      ±20.0  (±1.25)

      ±20.0  (±1.25)

      ±20.0  (±1.25)

      Surface error (kg/m3)
      (100% Void)

      –17.0  (-1.25)

      –17.0  (-1.25)

      –17.0  (-1.25)

    Backscatter (98%, 100 mm)

      Precision (kg/m3)                     (pcf)

      ±16.0  (±1.0)

      ±8.00   (±0.50)

      ±4.00  (±0.25)

      Composition error (kg/m3)     (pcf)

      ±40.0   (±2.50)

      ±40.0   (±2.50)

      ±40.0  (±2.50)

      Surface error (kg/m3)
      (100% Void)  (pcf)

      -75.0   (-4.68)

      -75.0   (-4.68)

      -75.0  (-4.68)

      Surface error (kg/m3)
      (100% Void)  (pcf)

      -75.0   (-4.68)

      -75.0   (-4.68)

      -75.0  (-4.68)

    Moisture at 240 kg/m3

      Precision (kg/m3)                   (pcf)

      ±10.3  (±0.64)

      ±5.1  (±0.32)

      ±2.6   (±0.16)

      Surface error (kg/m3)
      (1.25 mm, 100% void, kg/m3)       (pcf)

      -18.0   (-1.12)

      -18.0    (-1.12)

      -18.0  (-1.12)

     

    Mechanical Specifications

      Gauge Size (including handles)

      12” - 23.5”x9”x14.5”
      (59cm x 22.9cm x 36cm)
      8” - 19.5” height (49.5cm)

      Shipping Case Size

      29.4” x 13.9” x 16.5”

    (75cm x 35cm x 42cm)

     

      Shipping Weight

      83lbs (37.6kg)

      Weight

      31lbs (14.1kg)

      Operating Temperature

      32º to 122º F  (0º to 50º C)

      Surface

      350°F (175°C) for 15 minutes

      Storage Temperature

      0º to 140º F  (-18º to +60º C)

     

    Radiological Specifications

      Gamma Source

      0.30 GBq (8mCi) ± 10% Cs-137

      Neutron Source

      1.48 GBq (40mCi) ± 10% Am-241:Be

      Source Housing

      Stainless steel, encapsulated

      Surface Dose Rate

      (5cm) 19 mrem/hr maximum, neutron and gamma

      Shipping Case

      DOT 7A, Type A, Yellow II label, TI=0.3

     

    Electrical Specifications

      Main Power Source

      5C NiMH (Rechargeable Pack)

      Backup Power Source

      5 AA Alkaline Batteries – 3440
      Optional - 3430

      Stored Power

      4 Ampere hours

      Battery Recharge Time

      3 hours maximum, auto cutoff

      Charge Source

      110/220 VAC, 50 or 60 Hz or 12-14 VDC

      Current Consumption Average

      35 mA

      Time Before Auto Shutdown

      5 hours of inactivity

      Readout

      4 x 20 Alphanumeric

      Keypad

      30 key sealed membrane – 3440
      10 key sealed membrane – 3430

     

    Model 3430 Options:

    • Remote start keypad near the handle
    • External Beeper
    • Data Storage (100 readings)
    • USB port for data transfer
    • Alkaline battery backup feature
    • Spanish and French language options

    Model 3440 Options:

    • Remote start keypad on the handle
    • External beeper
    • Backlit keypad for low light conditions
    • GPS locations for measurements
    • Spanish and French language options
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