Buy The broadband magnetotelluric station for field researches of LEMI-423
The broadband magnetotelluric station for field researches of LEMI-423

The broadband magnetotelluric station for field researches of LEMI-423

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Price:
540243.26 UAH
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Technical characteristics
  • BrandLEMI
  • Country of manufactureUkraine
  • Measurement range2450 "
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:

• Mission:

The broadband magnetotelluric station LEMI-423 is intended for studying of natural electromagnetic oscillations in field conditions in the wide temperature range. The station registers and automatically digitizes data from 3 induction magnetometers and 2 electric channels and controls temperature of the electronic block.

• Main properties:

- 3 Magnetic sensors of magnetic field of alternating current

- 2 telluric field channels (0,0001... 1000) Hz

- satellite synchronization 

- high temperature stability

- low noise level

- all sea cameras are calibrated

- the special software for collecting and visualization of data in real time

- digital USB interface

- SD card of 32 GB

- blocks of lightning protection of two types

• Main appendices:

- investigation of gas, oil and other fields

- definition of deep conductivity of Earth

- main regional inspection

- monitoring of earthquakes

• The station includes:

- 3 induction sensors

- electronic block

- lightning protection blocks

- GPS antenna

- not polarized electrodes

• Main technical characteristics:

 

1. The magnetometer with the search coil

Range of frequencies

(0.0001-1000) Hz

Form of transfer function

Linear flat

Angular frequency

1 Hz

Transfer coefficient in a flat part (differential)

200 mV / ntl

Noise level:

at of 0.001 Hz

at of 0.01 Hz

at of 1 Hz

at of 300 Hz





< 100 pT/√ Гц

< 10 pT/√ Гц

< 0.1 pT/√ Гц

< 0.01 pT/√ Гц

Weight of one sensor

5,8 kg

2. Electric measuring instrument of the field

Range of frequencies

(DC-1000) of Hz

Ranges of measurements (for measuring base of 1 m):

when receiving =1





± 2450 mV

Noise level in a strip of the frequencies of (0.01 - 0.3) Hz

90 nVrms

Unpolarized electrodes (optionally) own noise in a strip of frequencies (0.01 … 0.3) Hz

< 10nV

3. Electronic block

Sampling frequency in a second

1, 250, 500, 1k, 2k, 4k

Registration on the SD card

32GB

Bit ATSP

32

Supply voltage

(5-20) V

Power consumption

2 W

Weight

2 kg

Range of working temperatures

minus 20 ° to +50 °C

Waterproof case

 

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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The broadband magnetotelluric station for field researches of LEMI-423
The broadband magnetotelluric station for field researches of LEMI-423
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