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:
Optional features offered for the Model 3440 include:
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:
