YTGEO receivers for geotechnical monitoring
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of underground operations and geostructures
YTGEO receivers are very low power,
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small size rugged acquisition modules
Highlights
ready to connect the most types of geotechnical
sensors available on the market.
Very Low Power technology
YTGEO receivers are bus cabled and/or
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radio connected, enable to build easily a
High data quality
monitoring system made of hundreds of sensors
related to all relevant parameters as strains,
Built-in calibration
displacements, inclinations, forces, pressures,
temperatures, levels, flows, gas, rainfall on an
Modular cluster architecture
unique integrated network. They offer the mixing
of both daisy chain and star topologies controlled
from a unique PC based computer or SYTGEM-
Field applications
vlp unit in harsh outdoor conditions.
YTGEO receivers feature multi-channel
Mines and quarries
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high quality data acquisition and digital
transmission. They offer high performance and
Underground waste disposals
modularity to fit observational research as well as
operational monitoring projects.
Dams and embankments
Civil engineering
Landslides and rockfalls
SYTGEO solution for geotechnical monitoring
of underground operations and geostructures
SYTGEO Receiver
RC
R4
RP
RM multi parameter
Application
Strain Gauge
Current loop
Potentiometric
Current loop
Potentiometric
Counting
Number of channels
12
7
7
4
2
2
Type of sensor
120 W ± 2,5 W
4-20 mA (1)
R > 1 KW (2)
4-20 mA (1)
R > 1 KW (2)
F < 100 Hz
Digitization
15 bits + sign
15 bits + sign
15 bits + sign
8 bits
8 bits
Dry contact relay
Multiplexing
relay
Static switching
Static switching
Static switching
Static switching
Static switching
Resolution
0,48 mW
0,625 mA
30 ppm
80 mA
0,4 %
1 tipping
Accuracy at 20°C
± 10 mW
± 0,1 %
± 0,02 % (3)
± 1 %
± 1 %
± 0,1 % (frequency)
Sampling frequency
From SYTGEOscop software : from 0 to 9999 minutes
Type of measurement
Average of 4 measurements during 300 ms
Statistics (average, min, max, standard-error)
Duration
10 s
8 s
8 s
NA
Supply voltage
8 à 32 V
8 à 32 V
8 à 32 V
8 à 32 V
Stand by power
12 mW
12 mW
12 mW
20 mW (without sensor)
Nominal power
800 mW
1,5 W
800 mW
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Programmable output
1 monostable TOR to activate local alarm
Network topology
Star or daisy chain topology linked to a SYTGEO controller module
4 wires for the bus RS 485 et power supply, maximum distance without repeater 1500 0,6 mm² wire
Connection
radio transmission based on SYTGEO RTS or RGPS module
Format
Proprietary protocol, rate at 1200 bauds, 8 bits without parity
Capacity
15 receivers maximum for one monitoring branch
Housing
Rugged polyester 120 * 90 * 220 mm, weight around. 1.2 kg, IP67
Connection
Screw terminal and steal gland
Temperature
Operating : -20°C to +45°C
Storage : -20°C to +50°C
EN 61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN6100-4-6 ; EN 55022 (04/01) class B. low voltage directive 73/23/
CE
CEE
SYTMIS® , SYTGEO® et SYTGEM® are registered trademarks of INERIS. Specifications subject to change without notice.
For more information and custom applications, please contact us:
cenaris@ineris.fr
INERIS - Ecole des Mines - Campus ARTEM -CS 14234
54042 Nancy cedex -France
e-mail : cenaris@ineris.fr - Internet : http://www.ineris.fr