DN-W1
Static cone penetration test is internationally recognized as a standard field test to collect data about bearing capacity and frictional resistance of soil.
Static cone penetration test is internationally recognized as a standard field test to collect data about bearing capacity and frictional resistance of soil.
Features and Functions
• Adopt 16-bit micro-controller MSP430F5437A as the CPU of DN-W1, which is well-known as low power consumption and high performance.
• Adopt large size color TFT HD-LCD, where data and figures are quite clear.
• Adopt high-speed and memory Flash storage.
• Adopt low-power A/D converter with 24-bit resolution.
• Set U等 interface on the model, from which the data can be read on the machine directly and other computers easily.
• Adopt high-strength ABS engineering plastic molding shell.
• Set three sampling channels and three test data can be obtained simultaneously.
• Adopt high-capacity lithium battery which is suitable for long time operation in the field.
• Main functions and based codes
• DN-W1 model microcomputer is used to receive data from various sensors and/or probes in the in-situ test, process, store, display and print results. The DN-W1 model microcomputer has the following functions,
• The microcomputer can be used for CPT, CPTU and VST.
• The microcomputer can be used for Calibration of probes of CPT, CPTU and VST.
• The microcomputer can represent a variety of test data in different colors.
• The microcomputer can achieve automatic zero setting with the A/D converter.
• The microcomputer can record the testing data at an interval of depth or time period.
• The microcomputer can store the testing data in a flash disk, and the data can be read on the machine directly and other computers easily.
• The data stored by DN-W1 model can be printed by connecting to a computer. Calibration record table and calibration curve of various probes.CPT data, CPTU data and VST data. Various test results (Ps., qc,fs,u,Cu,) with depth or time.
TECHNICAL PARAMETERS
Display: 7-inch LCD.
Three differential input channels: -20mv to +20mv.
The linear error of instrumentation measurement system: <=± 0.1%
The depth of sampling interval: 10cm
Maximum record depth of single hole: 99.9m.
Data storage capacity: 4096 storage space, up to 1024 data storage
Maximum number of holes: 350
Batteries of machine 2W
External voltage 2.5W
Internal voltage: 7 . 4 V , 5200mA lithium battery
Size of the host: 268 x 168 x 45 (mm)
Weight the host : about 960g.
