ATLAS-F is a variant of the ATLAS digitizer that was designed following a customer’s request. Compared to standard ATLAS it offers accessible/removable SD and SIM card slots, hot-swappable dual-slot batteries and the repositioning of all the connectors on one side.
The ATLAS-F is easily transportable in flights, the user can take out the batteries and transport them in the cabin. In addition, the dual battery slot is also useful when ATLAS-F is used for long-term monitoring as the batteries can be replaced one by one without turning off the instrument.
The purpose of positioning the connectors on one side is that the cables are easier to keep in order when the instrument is installed in a box and to save space.
ATLAS-F is available with 3,6 or 9 differential input channels for external sensors.
The instrument is equipped with high-resolution delta-sigma 24bit ADCs, all the channels are synchronized and the sample rate is adjustable up to 1000 sps per channel. The internal memory (up to 1TByte) has two independent recording zones: the ring-buffer zone which is dedicated to continuous sampling, and the triggering zone which is used for event sampling.
The data format is MiniSEED.
The built-in GNSS receiver synchronizes the system clock with the absolute time so that a network of several units can be created where all the channels are synchronized.
You can control ATLAS-F locally via network connection (LAN or WiFi), and remotely using the integrated 4G modem (optional). The SIM card is in micro format which is accessible to the user from the top panel.
Thanks to SeedLink protocol ATLAS-F is compatible with most popular seismic analysis software (Seiscomp3, Antelope, Earthworm).
The large capacity internal back up battery guarantees long term recording in the absence of an external power supply (typically 40hrs). This feature is greatly appreciated by customers because it is like having an integrated UPS, which saves space and money; both the 4G modem and the external sensors’ power supply is backed up by the internal battery.
The power supply ranges from 9 to 28 Volt DC and it can be connected to the electric power network using the power supply adapter included.
ATLAS-F can also be connected directly to a solar panel.
The anodized aluminum (INOX AISI316 option) enclosure is CNC milled, shockproof, vibration-resistant weather-resistant IP67.
| ATLAS-F |
|---|
| ADC resolution 24 bit |
| Dynamic range > 136dB@100 sps |
| Sampling rates 1, 20, 25, 50, 100, 200, 250, 500 , 1000 sps synchronous |
| Lan, Wi-fi and 4G modem |
| Built-in GNSS receiver |
| Integrated Ups, 40hrs system autonomy |
| Miniseed Data Format |
| Compatibility with Earthworm, Seiscomp, Geopsy, Seisgram2k |
ATLAS-F is designed to suit various applications and provide a solution to the users needs in the field.
ATLAS-F can be used with an accelerometric or a velocimetric sensor.
ATLAS-F can be configured in-situ using WIFI or LAN cable.
If ATLAS-F is used for permanent monitoring, it can be reached remotely using the
built-in 4G modem or using LAN connection in order to link it, for example, to an
ADSL modem.
ATLAS-F is well suited to the monitoring of large structures where multiple sensor
information is required.
In such applications sensors are wired up to ATLAS-F and with each device you can
acquire up to 9 synchronous channels.
If more channels are needed, connection to an other ATLAS-F device and
synchronization with the MASTER is possible. ATLAS-F can be reached locally via WiFi
or remotely
using the buit-in HSPA modem or by LAN.
ATLAS-F is often used in the filed of structural monitoring for calculating the
specific resonant frequency of the buildings.
Lunitek has developed ad-hoc firmware based on FFT for real time evaluation of the
building’s state of health.
In a typical geophysical monitoring station ATLAS-F is used with a low noise force
balance triaxial accelerometer and with a triaxial velocimeter both mounted on a
concrete slab.
Both sensors are digitized with high dynamics, high accuracy ADC.
ATLAS-F can be equipped with auxiliary analog inputs in order to monitor
enviromental
data (temperature or humidity) or with digital input to monitor external events
(vault open/closed) or even with output driving capability to comunicate exceeding
thresholds (alarms).
You can have ATLAS-F configured according your needs
2.4Ghz comunication radio module.
Thanks to the SoftAP function you can download data and configure your ATLAS-F directly from your device (mobile, tablet, notebook), moreover you can create a network of completly wireless Lunitek devices.
HSPA comunication radio module.
Insert a standard sim card inside you ATLAS-F and you can reach it remotely using a VPN.
ATLAS-F is available with standard input impendance (40KΩ) or with high input impendance option (1.8MΩ)
ATLAS-F is available with 3, 6 or 9 input channels. Inputs are located on military connectors.
You can have ATLAS-F with auxiliary low speed analog/digital inputs.
Thanks to this option you can integrate sensor data with external environmental information (temperature, humidity) or you can be notified when the containing vault is open. Relay output to control alarms comes as an option.
ATLAS-F is compatible with many third part sensors through the MCO option.
This option allows the instrument to fully interface with the sensors which needs for example the mass centering.
You can have your ATLAS-F with a professional protective case.
ATLAS-F models available
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