Humboldt H-4140 GeoGauge - Manual (Page 9)

9
3.0: Technical Specifications
Conforms to ASTM D6758
Soil Measurement Range From To
Stiffness MN/m (klbf/in) MN/m (klbf/in)
3 (17) (399)
Young's Modulus MPa (kpsi) MPa (kpsi)
26.2 (3.8) 610 (89)
Measurement Precision (typ., Coefficient of Variation): < 10 %
Depth of Measurement (from surface): 220 to 310 mm (9 to 12 in.)
Calibration Laboratory
Accuracy (% of actual mass) < + 1%
Electrical
Power Source (6) D size disposable cells
Battery Life Sufficient for 500 to 1,500 measurements
Mechanical
External Materials Aluminum case & foot,
rubber isolators & seal
Vibration <1.27 x 10 -6 m (<0.0005 in.) @ 125 Hz
Level re Vertical ± 5 °
Operating Temperature 0°C to 38°C (ambient)
Storage Temperature -20°C to 50°C
Humidity 98%, without condensation
Gauge Dimension 280 mm (11") Diameter,
255 mm (10") Height (without handle)
Weight Net: 10 kg (22 lbs),
Shipping: with case, 17.7 kg (39 lbs)
Standard Accessories
Transit Case, 6 ‘D’ Batteries, User Guide
Optional Accessories
• Infrared (IR) serial interface adapter cable with software template
(3.5”floppy, PC only)
• Verifier Mass
ALL TECHNICAL, PERFORMANCE AND OTHER SPECIFICATIONS ARE
SUBJECT TO CHANGE.