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