Buy Long-period telluric station LEMI-420e
Long-period telluric station LEMI-420e

Long-period telluric station LEMI-420e

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In stock
Price:
27.96 UAH
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Technical characteristics
  • BrandLEMI
  • Country of manufactureUkraine
  • Measurement range70000 "
Description

Terms of delivery:

• Price:

• Terms of delivery: CІP, FCA, EXW

• Terms of payment - 100% an advance payment

• Country of origin: Ukraine

Key parameters of a product:

• Main characteristics:

- High resolution and accuracy

- Low noise level

- 4 electric channels (8 on demand)

- Very low time and thermal drift

- Low energy consumption

- 8-gigabyte SD card

- Satellite synchronization

- The graphic display with the touch screen

- USB exit (RS-232 or-422 on demand

- Waterproof plastic case

- Two types of the block of lightning protection for the choice

• Application:

The long-period magnetotelluric station LEMI-420E is developed for measurements of the telluric field - signals with the periods 20... 100.000 seconds register with very high sensitivity and low drift. For realization of such design the main attention was paid to thermal and temporary stability, a big entrance impedance and low drift of electric channels. For a transmission of signals of the superlong period the technology of high-frequency filters of entrance steps was used. The block of lightning protection provides both protection against close lightning categories, and simple connection of electric lines in field conditions. In the device there are four electric channels for measurements of in addition vertical component of the telluric field or components along some local geological structure. Specially developed LEMI-701 electrodes with very low noise level are recommended (for a photo, on the right), but also any other types of electrodes can be used.

 • Main technical characteristics:

 

Range of measurements of magnetic field

± 70000 ntl

Range of frequencies

DC... 100 Hz

Frequency of selection of measurements

250 Hz

Noise level at 1 Hz

<0,1 нТ / @ 1 Гц

ATSP

32 bits

Range of working temperatures

- 20... + 60 °C

Supply voltage

5 + 0,25 B

Maximum power consumption

<1,2 Вт

Record time with the internal battery with a capacity of 1900 mach

5 h

GPS receiver

 

Auxiliary digital interface

USB

SD memory card volume

8 GB 

Maximum speed of data transmission

10 Hz 

Weight (with the internal battery):

1,25 kg

Overall dimensions

96kh96kh270mm

Additional information:

• Installation and training (it is paid separately).

Advantages before competitors:

• High resolution and accuracy;

• Low noise level;

• The guaranteed low time shift of the obtained data;

• Shift on low temperature;

• Deep suppression of hindrances from network.

 

 

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Long-period telluric station LEMI-420e
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