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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
M-Logger for MEMS Sensor


Product Code:M-Logger

Need more Info? (514) 354-2511 - 1-800-463-4363

M-Loggers are used to monitor Slope Indicator MEMS sensors. They are also compatible with EL-SC sensors.
Simple to use and economical to deploy, M-Loggers can be placed close to sensors, enhancing reliability and keeping cable costs down.
M-Loggers can push data directly to the web, where monitoring software can process the data and distribute the results quickly. Typical applications include:
  • Top-of-hole monitoring of in-place inclinometer sensors.
  • Local monitoring of beam sensors and track sensors.
  • Monitoring in areas where heavy traffic or electrical noise make short signal cables necessary.
  • Monitoring sensors that are too far apart to connect to a centralized data acquisition system.


Logger Components
Each M-Logger can monitor up to 16 sensors.

Power Supply:
The M-Logger is normally powered by a 12V battery.
Long-term deployment or wireless communications require a charging regulator for the battery and a power source such as an AC adaptor or a solar panel.

Serial sensors eliminate the need for a multiplexer. However, a multiplexer is required to connect multiple, non-serial sensors.

Weatherproof Enclosure:
Small and medium size enclosures are available. The small enclosure is suitable for a system monitoring a single
sensor or a chain of serial sensors. The medium enclosure is required if a multiplexer is used.

GSM modems and spread-spectrum radios will be available Q1, 2010.
The M-Logger has a special port for the GSM modem and can FTP data directly to an internet address at scheduled intervals. Spread-spectrum radios can provide a wireless, line-of-sight link between a PC and the M-Logger. Manager software is then used to retrieve data from the logger.


Simple Setup:
M-Loggers are very easy to configure. The user enters a list of sensors, sets a start time, and specifies a logging interval. After that, the logger is ready for work.

Reduced Costs:
M-Loggers are a cost-effective alternative to centralized data acquisition systems. They can be affordably deployed close to the sensors, enhancing reliability and reducing costs by eliminating the long, expensive, and vulnerable runs of signal cable required with centralized logging systems.

Direct to Web:
M-Loggers can push data directly to the internet via cell modems. This simplifies data collection and speeds the the flow of data to web-based monitoring software, such as Atlas.

Wired or Wireless:
When direct-toweb efficiency is not required, data can be retrieved by a PC connected directly to the logger or connected wirelessly by line-of-sight radios.

Spreadsheet Friendly:
CSV files from the logger are ready for import, with dates and numbers formatted to the regional settings in Windows. Automation-Ready: Data formats for automatic processing include the Campbell Scientific table format and the Slope Indicator ID format.

Engineering Units:
Manager software outputs data in engineering units as well as raw data.


M-Logger . . . . . . . . . . . . . . . . . . .58810100 
Manager software and a serial interface cable are included with the logger.

The M-Logger is a data logger for Slope Indicator MEMS sensors and EL SC sensors.

One chain of 16 serial sensors, or one Campbell Scientific multiplexer with 16 standard sensors, or 1 standard sensor connected directly.

Non-volatile flash memory holds 7,900 records for each sensor. Each record includes time and date, A and B-axis tilt readings, and temperature reading.

Data Transmission :
M-Logger can FTP data directly to an internet address. Choice of formats includes Campbell Scientific and Slope ID.

Logger Resolution:
0.004% FS (16-bit) for tilt readings. 0.1°C for temperature readings.

Logger Accuracy:
±0.02% of tilt reading at 20 °C or ±0.06% of tilt reading at -20 to +50 °C.

Logging Interval:
30 second minimum interval; 7 day maximum interval.

Serial Ports:
PC port for serial communications with PC. Interface cable is included with logger.
Modem port for cellular modem.

Power In:
Nominal 12Vdc ( 8 to 15Vdc).

Power Out:
Switched 12V output for serial sensors or multiplexer.

Temperature rated for -20 to +50 °C. Logger normally housed in an enclosure.
Dimensions: 120 x 80 x 40 mm. (4.7 x 3 x 1.6").


M-Logger Manager . . . . . . . . . . . Download 
Used to configure the logger. Can also display real-time readings and retrieve data.

System Requirements:
Runs on Windows XP, Vista, and Windows 7. Communicates with logger via an RS-232 serial connection. If PC has
only USB ports, a USB-serial adaptor is required.

Logger ID, real-time clock, memory mode, sensor list, multiplexing mode, logging schedule, and communications parameters.

Real-Time Readings:
The Manager program can display real-time readings of sensors when PC is connected to the logger.

Data Retrieval:
Works with interface cable or line-of-sight radio. Retrieves new or all readings. Can clear data from logger memory.

File Formats:
CSV, Campbell Scientific, and Slope ID. CSV uses Windows regional settings for date, time, and numbers and is suitable for spreadsheets. The Campbell Scientific format and Slope ID formats are useful for automation and monitoring software, such as Atlas.


AM16/32 Multiplexer . . . . . . . . . . 56702110
Terminal Board. . . . . . . . . . . . . . . 26811615
Connection of multiple standard sensor requires a multiplexer and a terminal board. The terminal board is used to connect power wires from multiple sensors. Note that the multiplexer option is not needed when serial sensors are connected to the logger.


Battery, 12V 7ah . . . . . . . . . . . . . 01940004
Battery Bracket . . . . . . . . . . . . . . 58810160
Charging Regulator . . . . . . . . . . . 58810161
AC Adaptor. . . . . . . . . . . . . . . . . . 58810165
Solar Panel, 10W . . . . . . . . . . . . . 56703310
Solar Panel, 20W . . . . . . . . . . . . . 56703325
A battery and battery bracket are normally ordered with every system. A 12V 7ah battery can power an M-Logger taking hourly readings for about 140 days.
For longer term deployment or when wireless communications are used, the charging regulator and a power source are required.
The power source can be an AC charger or a solar panel. The AC charger includes various wall plugs. The solar panel includes hardware for mounting on pole.


Small Enclosure . . . . . . . . . . . . . . 56705005
Medium Enclosure . . . . . . . . . . . . 56705010
System Assembly . . . . . . . . . . . . . 96700005
Weatherproof enclosures are required for outdoor applications. These strong fiberglass enclosures provide an external grounding lug and an opening for cable entry. Since enclosures are non-metallic , cell modem and radio can be used without external antenna.
The small enclosure is suitable for systems that monitor serial sensors or a single standard sensor.
The medium enclosure is required for systems with a multiplexer.
The system assembly charge is required when components are mounted in the enclosures at the factory.


GSM Modem . . . . . . . . . . . . . . . . . . . . . . . . .
2.4Ghz Spread-Spectrum Radio . .52613455
Wireless options will be available Q1, 2010.
Connected to a GSM modem, the M-Logger can FTP data directly to an internet address. The GSM Modem supports 850, 900, 1800, and 1900 Mhz bands. 3G Bands will be supported later. SIM cards and data service are usually obtained locally by the user.
The 2.4Ghz radio supports line-of -sight links between the M-Logger and a PC. A radio is required for the M-Logger and for the PC.


Atlas Monthly Web Service . . . . . .58851050
Atlas Prepaid Web Service . . . . . .58851090
Atlas Activation Fee . . . . . . . . . . .58851000
Atlas web-based monitoring software is offered as a hosted web service with monthly or prepaid plans. The service includes an unlimited number of projects, graphs, reports, and users, and includes 50 sensors. More sensors can be added for an additional fee. Accounts for large scale monitoring are also available.
The web service is not only easy to use, but also cost effective. Data are stored at a secure data center that provides automatic backups and multiple connections to the internet. Users need only their web browsers, so there is no software to install and maintain. Finally, the service does not require a long-term commitment.
Atlas Enterprise . . . . . . . . . . . . . .58851100
Atlas Annual Maintenance Fee . . .58851120
Atlas Remote Installation . . . . . . .58851130
Companies wishing to host Atlas on their own servers can purchase a license for the enterprise version of Atlas.
The remote installation option minimizes involvement by the IT department, who must prepare a server and makes it temporarily accessible via the internet. After installation and configuration of Atlas is complete, restricted access can be restored to the server.

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