WDDS-2 Geological Mineral Exploration Resistivity Meter
This resistivity meter is the new generation DC resistivity
instrument using 32-bit single chip computer technology and 24-bit
Widely used in metal and non-metal resources exploration, civil
geophysical prospecting, railway and bridge prospecting etc, it
also can be used in hydrology and engineering geology prospecting
such as underground water exploration, dam foundation setting out
and dam hidden danger exploration etc. This instrument can be applied to geothermal prospecting.
Integrating advanced transmitting and receiving technology in one
instrument, this WDDS-2 resistivity meter is small-in-size and
light-in-weight, with 200V high voltage internal battery (only for
WDDS-2B), you can easily handle most exploration work without
carrying heavy battery case.
With high supply voltage, wide measuring range, high measuring
precision--3500w power supply, 48Vp-p voltage input range, high
small-signal measuring precision, this resistivity meter can
well-functioned in high-resistance area and acquires deeper and
better measuring data.
Using 32-bit powerful single chip computer, this resistivity meter
can speedy and intuitively do data collecting/controlling,
collecting parameter setting, data display and storage, curve
plotting all in English, make your field prospecting work fast and
With 1GB (expandable) high-capacity RAM, this resistivity meter can
store over 5000000 groups of prospecting data (voltage, current,
apparent resistivity, SP etc) with data power-off protection.
U-disk storing mode, when connecting to computer this resistivity
meter will be auto-identified as U-disk storage, all the data can
be transmitted and received directly through the USB port just as
convenient as using a U-disk.
Electrode distance table : for all electrode arrangement you can
pre-store 100 groups of different electrode distance constants into
the resistivity meter storage, with one serial number you can
call-out relevant electrode distance data to use or to reset, this
function can help avoiding input error which caused by repeatedly
inputting of one electrode distance constant.
Impeccable anti-interference technology--using multilevel filtering
signal enhancing, integrated electrical interference rejection (powerful anti-common/differential mode interference
ability), provides high measuring precision.
Auto SP, drifting and pole polarization compensation, compensating
range reaches +-10V.
With customized diagnostic program, this resistivity meter can
detect the fault location and damaged parts fast and accurately.
Imported full-sealed outer housing which has advantages such as
damp-proof, dust-proof, long service life etc.
Voltage:+-24V,+-0.5% 1bit,24bit A/D
Maximum voltage sampling resolution:0.01μV
SP compensation range:+-10V
Current:3.5A,+-0.5% +-1bit,24bit A/D
Maximum current sampling resolution:0.02μA
50Hz power frequency interference suppressing better than 80dB
Maximum transmitting power:3500W
Maximum supply voltage:+-1000V(2000Vp-p)
Maximum supply current:+-3.5A(7Ap-p)
Power supply pulse waveform:duty ratio: 1:1 bipolar
Storage capacity: 1GB (expandable)
Power supply: Internal battery (external 12V), provides continuous
working hours more than 20 hours.
Main machine interface: A,B,M,N. HV DC, external power supply and
charging port, RS-232 and USB port.
Weight: ≤4.2kg(WDDS-2)≤5.5kg (WDDS-2B)
Working temperature: -10℃~+50℃,95%RH
Storing temperature: -20℃~+60℃
Internal high power battery (only WDDS-2B): Maximum working power