Neckartal Dam project
In marzo 2020 è stata inaugurata la maxi diga Neckartal Dam. Un’opera fondamentale per portare acqua al deserto del Paese dell’Africa meridionale e irrigare 5 mila ettari di terreno, stimolando l’agricoltura e creando occupazione.L’opera, realizzata con la tecnologia RCC (Calcestruzzo Rullato Compattato), è la diga più grande della Namibia: 80m di altezza, 518m di lunghezza, […]
Forrestfield Airport Link
“The $1.86 billion Forrestfield-Airport Link is jointly funded by the Australian and Western Australian governments and will deliver a new rail service to the eastern suburbs of Perth – with three new stations at Belmont, Airport Central and Forrestfield.The rail link will connect with the existing Midland line near Bayswater Station and will run to […]
Mini OMNIAlog – datalogger 4 canali
Codici di riferimento: MINIOMNIA Mini OMNIAlog è un datalogger a 4 canali di dimensioni ridotte, adatto anche ad applicazioni in condizioni ambientali difficili, infatti la precisione della misura risulta inalterata su un range termico che va da -30° a +70°C. Il software integrato su pagine web elimina tutti i problemi legati al device utilizzato (PC, […]
Centro per il monitoraggio dell’impatto delle infrastrutture sull’ambiente
Grazie ai finanziamenti europei, all’interno dell’Università Tecnica di Bucarest è stato creato un Centro per il monitoraggio dell’impatto delle infrastrutture sull’ambiente. Il progetto è stato sviluppato attraverso una Gara Internazionale che è stata vinta da SISGEO. L’obiettivo era quello di fornire all’Università Tecnica la strumentazione geotecnica necessaria per permettere agli specialisti dell’Università di gestire differenti […]
Metro di Doha – Green Line – Monitoraggio cedimenti con estensimetri multibase
The Doha Metro is part of the Qatar Integrated Rail Programme, which also includes the Lusail City LRT, 38.8 km with 36 stations to be completed in 2016; the West Bay people-mover, a 10 km dual-track, single-bore tunnel with 19 underground stations, linking the new Doha Convention Centre with the West Bay area; a high-speed […]
FAQ#111 – Why I cannot read correctly my 4-20mA current loop gauge?
It could be a problem connected to the power supply given by the readout or logger. When the power supply is in the current loop (2-wire gauge) it is necessary to consider the effect of voltage drop across the shunt resistor on the voltage applied to the gauge. For example, suppose a 4-20mA gauge requires […]
FAQ#086 – How to solve the problem with dial-up connection under Windows in some languages version
When you create the dial-up remote connection to communicate with miniOMNIAlog, there could appear an error regarding the driver of the Standard Modem 56000bps used for the connection. This error appears only if you use certain versions of Windows in languages different from Italian and English. This problem could appear both configuring manually the connection […]
FAQ#082 – Is there any precaution to adopt for the number of measurements saved on the OMNIAlog / miniOMNIAlog memory?
OMNIAlog is equipped with a microSD 2GB memory. This memory allows to save a very high number of readings. For this reason, it is necessary to bear in mind what follows: Therefore SISGEO strongly suggests to periodically download data and, later, to delete them from OMNIAlog memory. This way it is guaranteed an efficient data download.
FAQ#080 – What dimensions has the .CSV file in columns that contains the measures acquired with OMNIAlog and miniOMNIAlog?
The dimensions of the measures file “in columns” downloaded with OMNIAlog and miniOMNIAlog vary according to the number of sensors acquired and the stored cycles of acquisition. The higher is the number of sensors acquired and the number of cycles of acquisition stored, bigger is the dimension of the file. It could be used the […]
FAQ#079 – Is it possible to send SMS in case of alarms with miniOMNIAlog?
Yes, if miniOMNIAlog is equipped with 2G (GSM/GPRS) modem. To do so, the user must have already configured the relative web pages.
FAQ#076 – Why it is necessary add a termination resistor to the last digitized sensor of each RS-485 chain?
All SISGEO digitized instruments (IPIs, Tiltmeters, H-Level…) use the RS-485 serial communication protocol The RS485 protocol contemplate a termination resistor. The recommended chain connection is point-to-point (multidropped) nodes as a bus mode (line). Star, ring or multiply network connection are not recommended. SISGEO dataloggers has already a termination resistor assembled (typically 120Ω). On the opposite […]
FAQ#074 – Which kind of datalogger is necessary to read a SISGEO digital sensors?
The sensors are read connecting the end cable to a Modbus Master unit (i.e. OMNIAlog or miniOMNIAlog) with RS-485 interface (DCE, Half duplex, no Echo) able to manage communication with SISGEO Modbus RTU communication protocol. SISGEO’s communication protocol is available for the release upon request. The power [W] of power supply must be chosen according […]