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Landmapper ERM-01

  •          Range of measurements   ER= 0.1-1 106 Ohm m
  •         Automatically adjusts electrical resistivity range to provide best measurement accuracy.
  •         Precision and error of measurements is typically less than 1%.
  •        User-defined K (geometrical coefficient)…………………………….……….………0.01 up to 99.99
  •          Quantity of changeable K-coefficients..…………………………………………………9
  •          Quantity of data storage locations……………………………………..………..……999
  •          Range of operation temperatures………………………………………………………from – 10 up to + 40 C0 or 14 to 100 F
  •          Air humidity  no more than……………………….…………………………….………………65 %
  •          Weight of the device no more……………………………………..………………………….. 250 g or 8 oz
  •          Current of consumption no more……………………………………………….……………..7.0 mA
  •          Output voltage, no more…………………………………………………………………..……5 V
  •          Measurements comparable with DC methods, frequency………………………….1.25 Hz
  •          Computer connection………………………………………………….……………………………….serial port

Controls

 –       ON/OFF key

    ►    –  FUNCTION key. The multifunction key for operation mode selection (ER/EC/EP) and storage of data

◄      – INPUT key. The multifunction key for taking measurements, correction of a K coefficient, recording or erasing data or contrast values

▲       – UP key. The multifunction key for scrolling through operation modes, K coefficients, storage cells, or contrast values

▼       – DOWN key. The multifunction key for scrolling through operation modes, K coefficients, storage cells, or contrast values

AB    –  Socket for connection of current-inducing AB electrodes

MN   –  Socket for connection of voltage-measuring electrodes (plug non-polarizing electrodes here for electrical potential measurements)

Serial port for data transfer to a computer is on the top side panel of the device.

 

Landmapper ERM-02

Technical Specifications of LandMapper ERM-02

Range of measurements   ……………………………………….……..    ER= 0.1-1 106 Ohm m

                                             ……………………..…………………………    EC= 1 10-6 – 10 Sm-1

                                               ….…………………………..………………..  EP= -1 to +1 V (∆ 0.01 mV)

User-selectable ER/EC/EP modes of measurement. Automatically adjusts electrical resistivity/conductivity/potential ranges to provide best measurement accuracy. Error of measurements is typically less than 1%.

User-defined K (geometrical coefficient)………………………..…………………….………0.1 up to 99.9

Quantity of changeable K-coefficients..……………………………………………………………………..9

Quantity of data storage locations………………………….…………………..…………………..……999

Range of operation temperatures…………………………………….from – 10 up to + 40 C0 or 14 to 100 F

Air humidity, no more than…………..………………….…………………..…………………………85 %

Weight of the device, no more…………….…………………….………….………….…….. 250 g or 8 oz

Current of consumption, no more……..………………………….…………..……………………..7.0 mA

Output voltage, no more………………..……………………………………………………….………5 V

Measurements comparable with DC methods, frequency……………………………1.25 Hz

Computer connection…………………………………………………………….……………….serial port

 

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