HomeGeorevaResistivityABEM TERRAMETER SAS1000


ABEM Terrameter SAS1000 is a highly competent Resistivity/IP system suitable for many different types of applications. By measuring both resistivity and IP simultaneously it minimizes expensive field time and it is expandable with a variety of accessories.

Robust and durable design

ABEM Terrameter SAS 1000 is designed for demanding field work in tough conditions and has been well proven during years of field work in all parts of the world. Its cast aluminium casing is rugged and robust, yet light and easy to carry, and meets the IEC IP 66 standard.

High power current transmitter

ABEM Terrameter SAS 1000 comprises a powerful built-in constant current transmitter that runs on either a clip-on battery pack or an external power source.

High quality receiver

The input channel is galvanically isolated and combined with a high resolution receiver which provides an excellent dynamic range.

Easy workflow

An intuitive user interface makes the ABEM Terrameter SAS 1000 easy to operate and measured data is exported and handled with the SAS Utility Software which also manages protocols and export of data to the most common interpretation software formats.


Technicals specifications

Casing Rugged Aluminium case meets IEC IP 66.
Computer PC compatible.
Display LCD, 200 x 64 pixels, 8 lines of 40 characters.
I / O ports Multifunction connector with current and potential including RS232 communication for external devices as PC, LOG and Imaging.
Banana connectors for current and potential.


Resistivity, SP, IP.
Current pulse length from 0.1 s to 4 s, User selectable.
IP Windows Up to ten time windows.
IP integration interval Up to 8 s.

Receiver / Transmitter


Isolation Input channel is galvanically separated.
Input Voltage Range + / – 400 V.
Input Impedance 10 MOhm minimum.
Precision Better than 0.1 % (in the range 4 – 200 ohm at 1 s integration.
Accuracy 1 % typical.
Resolution Theoretical 30 nV.
Dynamic range Up to 140 dB plus 64 dB automatic gain (at 1 s integration).
Automatic ranging + /- 2.5 V ; + / – 10 V ; + / – 400 V.


Output power 100 W.
Current transmission True Current Transmitter.
Output Current Accuracy Better than 0.5 % at 100 mA.
Output Current 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000 mA (operator set or auto ranging).
Maximum Output Voltage +/- 400 V (800 V peak-to-peak).
Cycle type in resistivity mode Plus-Minus-Minus-Plus.
Cycle type in IP mode Plus-Zero-Minus-Zero.

A variety of accessories makes the Terrameter SAS 1000 capable to perform VES, 2D and 3D imaging as well as borehole logging surveys.