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SISMALOG Stand-alone seismograph, 3 channels modular, 24 bit, 100-3500c/s

Reference SISMALOG

Manufacturer: MAE srl

Condition: New

SISMALOG

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Overview
Specifications
Sensors Available

Stand-alone seismograph, for seismology and local events monitoring.
This unit is designed for the recording and automatic storage of every seismic event either on internal SD memory or by sending data to the collection centre according to the modes set. It can be totally handled from PC using usb interface (local-control) or by web (remote-control).

To recover data filed in the unit you can either use the USB connection or the GSM/GPRS modules integrated.
The high technological content and flexibility of Sismalog ensure the maximum accuracy in the data acquisition, as well as an extremely ease of use and immediacy during the configuration operations. Sismalog is an acquisition unit that can be handled by remote-control; it is provided with high resolution acquisition card (24 bit), with sampler dedicated to every input channel.

The flexible architecture of the unit ensures its stand-alone and online functioning:

- in the stand-alone functioning the alarm management is based on the continuous interpretation of the input signals on the 3 channels; when the thresholds (which can be set singularly with one or more channels for a settable time) are exceeded, this causes the alarm signal by remote – control through sms (max.5 digits) and the alarm by local-control through the relay activation.

The alarm condition also determines the event recording on SD memory for a settable time (always after the event) in order to allow a further elaboration. In order to download data, the customer needs to use the EGsm-D gsm interface.

- in the online functioning the unit continuously sends the acquisition data of the 3 channels either by lan network (preferential channel) or gprs (secondary channel). In case of lack of both transmission channels, the unit starts the local-control recording until their restore. The acquisition centre will analyze the data, will determine epicentres and magnitude and will warn the competent authorities.

In any of these modes, it is possible to signal the alarm originated by the digital inputs.

Such features related to the stand-alone functioning as the alarm by sms or the possibility to send data by gprs and to download data in gsm mode, require the use of a sim card (data enabled) inside the unit and inside the EGsm-D (optional).

Because it is designed as scalable solution it is possible to modulate the number of channels according to the customer needs regarding installation and fulfillment of the monitoring:

- pourchase of more 3 channel-sismalog units and connection by LAN or 3G

- purchase of the centralized version with rack 19' 3U assembling in 3 channel-modules

SEISMICS

- Channels: 3, or multiple of 3
- Converters: 24 bit resolution, delta-sigma technology
- Dynamic range: 128dB
- Maximum distortion: 0.0005%
- Band width: 0-106Hz
- Common mode rejection: 110 dB at 60 Hz
- Diaphony: -120dB at 20 Hz
- Noise threshold of the programmable amplifier: 1μV
- Maximum range of inlet signal: +/-2.5V
- Input impedance: > 5kΩ
- Anti-alias filter: -3dB, 80% of the Nyquist frequency, -80dB
- Pre-trigger time: to be set from the software
- Sampling intervals: 5 ms

- Sampling frequency: 100 - 3500 c/s
- Event’s recording length: to be set from the software
- Trigger: based on the STA/LTA ratio and coincidence among channels
- Data format: seg2, ascii
- Integrated GPS module for synchronization and positioning of the acquisition system

GENERALS

- Output: 2, NC/NA relay max 12V 500mA

- Inpit: 2 digital
- Connectors: extractable screw clamps (sensors input and relays output), RJ45 (LAN), mini-usb (power supply), SMA (gsm, gps antennas)
- Data storage: on removable SD memory
- Interfaces available: LAN, USB, 3G
- Power supply: rechargeable Li-Ion 3,7V 8Ah internal battery

- Average absorption: 100mA
- Dimensions and weight: 19x10x6 cm, 0,7 Kg (cables and sensors not included)
- Environmental conditions: -20/80 °C
- Protection: IP67 (with optional case)

- Management and configuration: by usb cable and management utility compatible with Windows systems or by web
- Extension antenna for 3G signal: 3-5 mt (available on request)
- Extension antenna for gps signal: 3-5 mt (available on request)

The continuous improvement of the product by our engineering may create discrepancies with what is specified in this document. MAE reserves the right to change the products without giving public notice. All brands mentioned are registered by the proper suppliers.

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	SLMANAGER SLManager Centralized software for local and remote management of the Sismalog via USB, LAN or GPRS connection. The application manages all the operating parameters of the instrument: - setting of the monitoring and of the relative start / end cycle - management of stored files with the possibility of downloading even during registration - event configuration - real-time stream of acquired data
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	S1SA100S 1D accelerometric sensor for seismic monitoring, 100mV / g Single component accelerometric sensor for structural and environmental seismic monitoring with accuracy of 100 mV / g, housed in an aluminum enclosure with IP-67 protection rating and integrated fixing lugs, suitable for installation in harsh environments, equipped with Amphenol connector 12 male with IP-67 protection rating with protective cap and orange glossy PUR cable. Supplied with the sensor, a special pre-drilled mounting bracket made of aluminum is supplied, in order to allow easy installation of the sensor on both horizontal and vertical surfaces.
	S3SS 3D seismic sensor for 4.5 Hz seismic monitoring 3D seismic sensor made according to the highest quality standards, sealed container for outdoor installations and maximum protection of internal components. The sensor can be connected to Mae instruments dedicated to seismic monitoring and continuous control of structures. Practical and fast fixation thanks to the fins with pre-drilled holes, in case of fixing on vertical surfaces it is possible to use the supplied L-shaped bracket. The sensor connection to the acquisition unit is ensured by Amphenol connector with screw tightening and IP67 resistance to atmospheric conditions.
	S3S2 3D surface seismic sensor, frequency of 2 Hz geophones, aluminum container, support legs to pave or divide the floor, leveling bubble, carrying handle. Surface seismic 3D sensor made according to the highest quality standards, aluminum container thickness 10mm to ensure a stable positioning of internal components, external oxidation for a finish that facilitates subsequent cleaning operations during use in the countryside. The sensor can be connected to all Mae instruments of the categories Active Seismic, Passive Seismic and Seismic Monitoring. Leveling by means of adjustment rings of the feet and indication of the level bubble. In case of use in the countryside it is possible to replace the adjustable feet with the drilling tips (supplied). To facilitate transport operations and ensure maximum protection of the sensor, it is possible to use the transport handle, removable if necessary, and connect the protection cap so as to limit the movement of the masses of the internal components. In addition, it is possible to purchase the aluminum transport case (code VS3S) so as to store all the accessories in the preformed compartments and ensure the safety of the sensor in the most extreme transport conditions.
	S3SA1S 3D accelerometer sensor for seismicmonitoring, 1 V / g Three-component accelerometric sensor for structural and environmental seismic monitoring with accuracy of 1 V / g, housed in an aluminum enclosure with IP-67 protection rating and integrated fixing lugs, suitable for installation in harsh environments, equipped with Amphenol connector 12 male with IP-67 protection rating with protective cap and orange glossy PUR cable. Supplied with the sensor, a special pre-drilled aluminum mounting bracket is supplied, in order to allow easy installation of the sensor on both horizontal and vertical surfaces.
	S3S Surface 3D seismic sensor, frequency of geophones of 4.5 Hz, aluminum box, support legs for paving or stacking in the ground, leveling bubble, carrying handle. Surface seismic 3D sensor made according to the highest quality standards, aluminum container thickness 10mm to ensure a stable positioning of internal components, external oxidation for a finish that facilitates subsequent cleaning operations during use in the countryside. The sensor can be connected to all Mae instruments of the categories Active Seismic, Passive Seismic and Seismic Monitoring. Leveling by means of adjustment rings of the feet and indication of the level bubble. In case of use in the countryside it is possible to replace the adjustable feet with the drilling tips (supplied). To facilitate transport operations and ensure maximum protection of the sensor, it is possible to use the transport handle, removable if necessary, and connect the protection cap so as to limit the movement of the masses of the internal components. In addition, it is possible to purchase the aluminum transport case (code VS3S) so as to store all the accessories in the preformed compartments and ensure the safety of the sensor in the most extreme transport conditions.