Troxler 3450 Nuclear Density Gauge
The RoadReader Plus 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 Plus 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.
Like all 3400 series gauges the Model 3450 meets ASTM Standard Test Methods D-6938 (which replaced ASTM D-2922 and ASTM D-3017 as of November 2006), D-2950, C-1040 and AASHTO T-310.
No need for two different gaugesOne instrument covers all density and moisture measurement needsMeasures thin-layer asphalt, full depth asphalt, soil and aggregatesRuns on quick charge NiCad batteries or alkaline batteries“Sleep” mode allows the gauges to conserve power when not in useAdjustable beeper can be heard over traffic and equipmentStores up to 1000 test resultsBacklit display for night time useAn alphabetic keypad allows you to enter notes for each projectOver 40 years of Troxler experience and 18 month warranty give you the confidence you require for your field testing equipment
Model 3450 Specifications
Measurement (U.S. Customary Units)Direct transmission (6”):15sec 1min 4minPrecision pcf: ±0.32pcf ±0.15pcf ±0.08pcfComposition error pcf:±0.50pcf ±0.50pcf ±0.50pcfSurface error (0.05” 100% Void): -1.1pcf -1.1pcf -1.1pcfBackscatter: 15sec 1min 4minPrecision pcf: ±1.0pcf ±0.50pcf ±0.25pcfComposition error pcf:±0.87pcf ±0.87pcf ±0.87pcfSurface error (0.05” 100% Void): -5.0pcf -5.0pcf -5.0pcfMoisture at 15 pcf:15sec 1min 4minPrecision pcf: ±0.69pcf ±0.34pcf ±0.17pcfSurface error (0.05” 100% Void) Depth ofMeasurement = 8.5”:-1.2pcf -1.2pcf -1.2pcfMeasurement (S.I. Units)Direct Transmission (150mm): 15sec 1min 4minPrecision (kg/m3):±5.2 kg/m3 ±2.6 kg/m3 ±1.3 kg/m3Composition error (kg/m3): ±8.0 kg/m3 ±8.0 kg/m3 ±8.0 kg/m3Surface error (1.25mm 100% Void): -18.0 kg/m3 -18.0 kg/m3 -18.0 kg/m3Backscatter: 15sec 1min 4minPrecision (kg/m3):±16.0 kg/m3 ±8.0 kg/m3 ±4.0 kg/m3Composition error (kg/m3): ±14.0 kg/m3 ±14.0 kg/m3 ±14.0 kg/m3Surface error (1.25mm 100% Void): -80.0 kg/m3 -80.0 kg/m3 -80.0 kg/m3Moisture: 15sec 1min 4minPrecision (kg/m3): ±11.0 kg/m3 ±5.5 kg/m3 ±2.8 kg/m3Surface error (1.25mm 100% Void)Measurement Depth = 215mm: -19.0 kg/m3 -19.0 kg/m3 -19.0 kg/m3Thin Overlay ModePrecision at 2240 kg/m3 (140pcf)Time (min.) Thickness kg/m3 pcf1 2.5cm (1.0”) ±16 ±1.05.0cm (2.0”) ±10 ±0.606.3cm (2.5”) ±8 ±0.5010.0cm (4.0”) ±8 ±0.50Time (min.) Thickness kg/m3 pcf4 2.5cm (1.0”) ±8 ±0.505.0cm (2.0”) ±5 ±0.306.3cm (2.5”) ±4 ±0.2510.0cm (4.0”) ±4 ±0.25
Gamma Source: 0.30 GBq (8mCi) ±10% Cs-137Neutron Source : 1.48 GBq (40 mCi) ±10% Am-241:BeSource Type: Sealed Source – Special FormSource Housing: Stainless steel, single or double encapsulatedShipping Case: Type A, Yellow II, TI = 0.6ElectricalStored Power: 32 watt-hoursAverage Power ConsumptionIdle Mode: 0.12 wattsMeasurement Mode: 0.17 wattsStandby Mode: 0.06 wattsBacklight Mode: 0.6 wattsDefault time before sleep mode: 30 seconds between key presses, no loss of data or previous statusTime before automatic shutdown: 5 hours of complete inactivityPower Sources: NiCad and AA Alkaline BatteriesCharge Source: 12 V dc Nominal, 800 MA MinimumBattery recharge Time: 4 hours maximum, automatic cutoffLiquid Crystal Display: alphanumeric, 4 line x 20 character, backlitKeypad: 33 key sealed membraneRAM: 128 kbytes non-volatileSerial Data Format: 8 data bits 2 stop bits No parityMechanicalGauge height (with handles)12” rod: 604H x 411L x 229W mm (23.8Hx16.2Lx9.0W in.)8” rod: 503H x 411L x 229W mm (19.8Hx16.2Lx9.0W in.)Shipping Case Size: 785H x 353L x 455W mm (30.8Hx13.9Lx17.9W in.)Weight: 17Kg (37.5lbs.)Shipping Weight: 43Kg (96.0lbs.)Operating Temperature: Ambient 0 to 70◦C (32 to 158◦F)Max Test Material Surface Temperature: 175◦C (347◦F) for 15 minutesStorage Temperature: -55 to 85◦C (-67 to 185◦F)Humidity: 98% non-condensing
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