WDA-1/WDA-1A is our latest all-purpose model equipped with the latest technologies, such as pocket PC computer, blue-tooth, 24 A/D, high-power control and etc, smaller and lighter.
Specifications
- function
- •General resistivity/IP sounding
- •Multi-electrode 2D/3D resistivity imaging
- •Multi-electrode 2D IP imaging
- •Rock sample test
- •Work as receiver in large power IP system
- application
- •Underground water inspection
- •energy resource prospecting
- •city geophysical exploration
- •railway and bridge inspecting
- •metal and nonmetal mineral resources survey
- •engineering geology
- •geothermal field survey.
- feature
- •Maximum power supply reaches 7200W (1200V6A), input voltage range is 64Vp-p, measurement precision of small signal is high (voltage may be 0.1mV and current may be 0.1mA with 1% accuracy)；SP compensation range is up to ±10V.
- •Receiving circuit has transient over-voltage protection; transmitting circuit has over-voltage, over-current, AB open-circuit as well as inversed connection protection;
- •It could measure voltage, current, apparent resistivity, SP, metallic factor, half-decay time, attenuation degree, IP ratio, departure.
- •PDA control mainframe by Bluetooth technology, which also the function of scheduling, wireless internet, office software as Word, Excel, PowerPoint, MediaPlayer.
- •There are B(∞) infinite current electrode on the panel for 2-pole or 3-pole method. The instrument will auto measure ρsA, ρsB and ρs.
- parameter
- Transmitting
- Maximum power 7200W(VES),2400W(Imaging)
- Maximum voltage 1200V(VES),2400 peak-to-peak; 800V(Imaging), 1600 peak-to-peak
- Maximum current 6A(VES), 3A(Imaging)
- Power supply pulse width 1~60s, duty cycle is 1:1
- Receiving
- Voltage ± 32V (24 bit A/D)
- Vp accuracy(before stacking) If Vp≥5mV, ±0.2% ±1LSB. If 0.1mV≤ Vp
Main Products
geophysical exploration instrument, resistivity meter