GReTA
–
Installation manual
LSI LASTEM SRL
INSTUM_04546_en
Pag. 3 / 10
Table of contents
1
Safety requirements .................................................................................................................................. 4
1.1
General requirements ....................................................................................................................... 4
1.2
Specific requirements ........................................................................................................................ 4
1.3
Pre-installation requirements ........................................................................................................... 5
1.3.1
Power connection ...................................................................................................................... 5
1.3.2
Internet connection ................................................................................................................... 5
2
Installation ................................................................................................................................................. 6
2.1
Plinth installation ............................................................................................................................... 6
2.2
Excavation of the trench .................................................................................................................... 6
2.3
Unwind of the cable .......................................................................................................................... 7
2.4
Screw the electrodes ......................................................................................................................... 7
2.5
Mount the pole and the G.Re.T.A. box .............................................................................................. 8
2.6
Insert the cables in the trench and bury the electrodes ................................................................... 8
2.7
Switch on the device and do the contact resistance test .................................................................. 9
2.8
Cover the trench ................................................................................................................................ 9
Page 1: ...Environmental monitoring solutions Installation manual...
Page 2: ...he information included in this manual is subject to changes without notice No part of this manual may be reproduced in any form or by any electronic or mechanical means for any use without LSI LASTEM...
Page 3: ...requirements 5 1 3 1 Power connection 5 1 3 2 Internet connection 5 2 Installation 6 2 1 Plinth installation 6 2 2 Excavation of the trench 6 2 3 Unwind of the cable 7 2 4 Screw the electrodes 7 2 5 M...
Page 4: ...e any operation on electrical connections power sensors and communication equipment Turn off the power Discharge the accumulated electrostatic charges by touching a conductor or a grounded system Do n...
Page 5: ...most therefore still insufficient to cause death Considering a condition highly unlikely to occur but not theoretically impossible in which the operator is in contact with two electrodes the instrumen...
Page 6: ...orted by a galvanized iron tripod which has to be placed and fixed on a concrete plinth preferred or buried in the soil The plinth has to be placed in correspondence of the centre of the trench If the...
Page 7: ...the profile where the plinth is installed The first electrode must be positioned in correspondence of the m 0 of the trench 2 4 Screw the electrodes The electrodes are provided separately from the ca...
Page 8: ...rench and bury the electrodes When the trench is buried insert the cables inside the trench taking care of the distance of the central electrodes last electrode of first cable and first electrode of s...
Page 9: ...not pour water or salty water on the electrodes press them and cover them with more soil or use bentonite to enhance the contact Re do the contact resistance test 2 8 Cover the trench Mark the positi...
Page 10: ...GReTA Installation manual LSI LASTEM SRL INSTUM_04546_en Pag 10 10...
