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Shanghai Laorui Instrument Equipment Co., Ltd

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HDTEM-360 Transient Electromagnetic Instrument (Tunnel Advance Prediction)

NegotiableUpdate on 05/06
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Overview

The HDTEM-360 transient electromagnetic instrument (tunnel advance prediction), as a new generation of intelligent geophysical equipment, has IoT access and cloud computing functions, and supports remote technical services.

Product Details

Product Introduction

HDTEM-360 Transient Electromagnetic Instrument (Tunnel Advance Prediction)This product is developed based on seven inventions, including "Full Space Transient Electromagnetic Device and Measurement Method", "Low Noise Transient Electromagnetic Measurement Device with One Field Interference Self Elimination", "Transient Electromagnetic Low Mutual inductance Foldable Coil", "A Full Process Transient Electromagnetic Synchronous Sounding Device", "Transient Electromagnetic Measurement Device and Its Identification Method for Abnormal Object Orientation Recognition", "A Coil and Its Application Method for Transient Electromagnetic Exploration", and "A Remote Control System and Its Control Method for Geophysical Instruments Based on Mine Internet of Things Technology". As a new generation of intelligent geophysical equipment, it has Internet of Things access and cloud computing functions, and supports remote technical services.

HDTEM-360瞬变电磁仪(隧道超前预报)

Main functions:

  1. Advanced detection of coal mine, highway, and railway tunnel excavation.

  2. Advance prediction and forecasting of mining face.

  3. Exploration of hidden water conducting structures on the roof, floor, and side walls of the roadway.

  4. Evaluation of water rich properties of the roof and floor of the mining face.

  5. Exploration of coal mine goaf.




Key Features:

  1. The hardware configuration of the main control system and measurement control system is superior to similar products, with 7 national inventions;

  2. The instrument is lightweight and easy to use, with operating software based on the Android platform and stronger human-computer interaction;

  3. The collection software provides a "guided" operation mode and on-site mapping function;

  4. Supporting the national invention of coils is beneficial for early signal measurement;

  5. High signal measurement accuracy: using anti-interference front-end conditioning circuit, 24 bit high-speed ADC, time-domain and phase superposition technology, supporting multi-level programmable gain, can effectively suppress power frequency, low-frequency and high-frequency random interference, and can distinguish response signals below 1 μ V;

  6. Multi channel full process measurement: supports multi-channel acquisition, with full time domain recording function for early and late signals, supports multi-component observation to meet different user needs;

  7. Using the full process algorithm, reduce the detection blind spot from 25-30m to around 5-10m;

  8. Equipped with IoT access and cloud computing capabilities, supporting remote technical services.


Technical parameters:

1. Host system

hardware platform

Low power quad core processor

software platform

Embedded Android operating system

communication interface

RS485 serial communication, USB 2.0 Ethernet port, expandable WiFi interface


display screen

10.1-inch high-definition color IPS LCD screen (resolution 1280 * 800)


interface

Human computer interaction interface, touch screen+mechanical buttons

storage capacity

32GB

working power supply

Lithium battery pack, 12.6V/6Ah

working hours

≥8H

2. Transmission reception system

firing voltage

5V

Emission current

≤20A

transmission frequency

2.5-1000Hz (optional)

Off time

<0.8μs

sampling frequency

Up to 1250kHz (optional)

Stacking times

0, 16-9999 (optional)

sampling method

Full cycle sampling, intermittent period, and full cycle sampling


Pre gain

E0-E6, Overall/segmented gain, manual placement/customization method

dynamic range

258dB

Distinguish voltage

0.6nV

Number of channels

Current channel, 1-3 voltage channels (expandable)

working power supply

Lithium battery pack 16.8V/5 ampere hours


Excitation waveform

Bipolar square wave

A

24bit

Number of measurement channels

40-360 (optional)

wave filter

5-125kHz low-pass digital filter (optional)

delay time

2ms-2ms (adjustable)

working hours

≥8H

3. Working environment

Working temperature: -10 ℃ -50 ℃

Working environment: Used in highways, railways, and non coal mine tunnels


Product advantages:

  1. The hardware configuration of the main control system and measurement control system is superior (or comparable) to similar products;

  2. The operating software is based on the Android platform, featuring a high-definition color touch screen, mechanical assistance buttons, and system software

  3. Humanized design ensures more convenient human-computer interaction and easy to learn instrument operation.

  4. The collection software provides a "guided" operation mode and on-site mapping function;

  5. Matching coils facilitate early signal measurement

  6. By utilizing the full process algorithm, it is possible to effectively reduce detection blind spots


Main functional features of the collection software:

  1. Support touch screen and button operation, with good human-computer interaction mode;

  2. Support "creating or opening projects", setting measurement parameters, data collection, display, storage, calculation, management, etc;

  3. Support battery level and system time display;

  4. Support Chinese, English, and numerical input;

  5. Support system detection, communication, coil connection detection, etc; (★ Highlights)

  6. Provide two operation modes: "advanced detection of tunnels" and "custom detection"; (★ Highlights)

  7. Provide a user-friendly "guided" operation method; (★ Highlights)

  8. Support on-site one click mapping and comparison of detection results before and after; (★ Highlights)




HDTEM-360 Transient Electromagnetic Instrument (Tunnel Advance Prediction)

Application case:


HDTEM-360瞬变电磁仪(隧道超前预报)



Order number: LR-100963