Since 2003, when we brought to market unique handheld electrical resistivity meter (Landmapper) we strive to deliver exceptional results to our diverse client base to Enlighten your Research.

1. Larisa Golovko, Ph D
Landviser LLC
Houston, TX

2.  1970-2015 Prof. A.I. Pozdnyakov (Soil Geophysics)
 1995: Ph.D Thesis “Mapping and monitoring of
alluvial soils with electrical geophysical methods
“ - Russia
 1999: Ph.D Thesis “Electrical properties of soils” -
USA
 2001: Landviser incorporated in NJ, USA
 2003: LandMapper ERM-01 – handheld resistivity
meter introduced to the market

3.  Digital, highly accurate ER
measurements
 Convenient one-person mapping
operation for topsoil (ag apps)
 9 changeable K coefficients allow for
short VES profiles
 Stores 1000 data points in non-
volatile memory

4. 2004: geophysical survey in Philippines with
ABEM Lund 2D&3D resistivity equipment
2004: business partnership with GEOTOMO
Software, Malaysia

6. 2004: geophysical survey in Philippines with
ABEM Lund 2D&3D resistivity method
2004: business partnership with GEOTOMO
Software, Malaysia
2005: Accepted research position at RiceTec, Inc.
2006: Landviser re-incorporated in TX.
2007: Conducted workshop in Beijing - Chinese
Agricultural Academy on geophysical methods in
agriculture and environmental engineering

8. 2008: LandMapper ERM-02
2010: information on
LandMapper in FastTIMES
– free monthly journal of
EEGS

9. Our unique LandMapper device was featured in 2nd
edition of Solid Earth Geophysics Encyclopedia as the
best small scale portable and accurate electrical
resistivity/conductivity meter.
Loke, M.H., J.E. Chambers, and O. Kuras.
“Instrumentation, electrical resistivity.” In Solid Earth
Geophysics Encyclopedia (2nd Edition), Electrical &
Electromagnetic, Gupta, Harsh (ed), 599–604. 2nd ed.
Berlin: Springer, 2011.
http://www.landviser.net/webfm_send/76

11. 11

12. .

14. I
U
KER



15.  Imply four-electrode principle to cancel effect of
contact potential on measuring electrodes and
yield high-accuracy measurements
I
U
KER


ER
EC
1


24.  Provide profile distribution of ER from soil
surface to any depth
 Easily customized sounding depths through
different electrode arrays
 Many freeware available for 1D data
interpretation: iVES, RES1DINV, IPI2win

25. A M B
Wenner AM=MN=NB
Schlumberger AM=NB>>MN
N
BNMA
I
U
KER


][
]][[
MN
ANAM
K 
for central-symmetric arrays

26.  MN= 2m - constant for the whole VES profile (1D)
 All measurements done at K0=1 (or K1=10, K2=100 to
boost the signal)
 Manual VES procedure – spread AB electrodes
completely and then move AB electrodes inward to
pre-set distances. – www.landviser.net

29. SibER 48 electrodes 2 A (Russia)

30.  Landviser, LLC develops and offers low-cost geophysical
equipment for near-surface exploration (LandMapper ERM-03 and
ERM-04) as well as
 advanced deep resistivity and IP equipment (SibER-24 / -48 / -64)
and multi-frequency electromagnetic scanner (AEMP-14) produced
by KB Electrometry, Ltd – our partner in Russia.
• Landviser, LLC also distributes,
consults and trains users in
geophysical inversion software
(RES2DINV and RES3DINV)
developed by our partner,
GEOTOMO Software, Malaysia.
• www.landviser.com

34. Landviser, LLC (USA/Russia/Ukraine/Colombia):
– continues R&D to improve LandMapper®;
– conducts further R&D on high-resolution electromagnetic inversion of Induced
Polarization and RALF-1 software;
– develops geo-enabled web maps and apps;
– provides custom system integrations and BI analytics of geospatial data across
industries.
In addition to own equipment and software, Landviser LLC also distributes and
consults worldwide for:
– geophysical equipment of KB Electrometry & TerraZond (Russia);
– accurate geo-positioning systems hardware (DGPS, RTK GPS/GLONASS) of
various vendors;
– geophysical software for Geotomosoft Solutions (Malaysia) and ZOND (Cyprus).
www.landviser.com info@landviser.net 888-306-LAND