MRU-200-GPS OPERATING MANUAL Version 1.06
3
TABLE OF CONTENTS
1
SAFETY ................................................................................................................... 5
2
MENU ....................................................................................................................... 6
2.1
W
IRELESS TRANSMISSION
....................................................................................... 6
2.2
GPS
SETTINGS
......................................................................................................... 6
2.3
M
EASUREMENT SETTINGS
....................................................................................... 7
2.3.1
Mains frequency ........................................................................................... 7
2.3.2
Calibration of the current clamps ................................................................ 8
2.3.3
Earth resistivity settings ............................................................................. 11
2.4
M
ETER SETTINGS
................................................................................................... 12
2.4.1
LCD contrast .............................................................................................. 12
2.4.2
LCD Backlight ............................................................................................ 12
2.4.3
AUTO-OFF settings ................................................................................... 12
2.4.4
Display settings .......................................................................................... 12
2.4.5
Date and time ............................................................................................. 13
2.4.6
Battery discharge procedure ...................................................................... 13
2.4.7
Software upgrade ....................................................................................... 13
2.5
L
ANGUAGE CHOICE
............................................................................................... 14
2.6
I
NFORMATION ON THE MANUFACTURER
................................................................ 14
3
MEASUREMENTS ............................................................................................... 14
3.1
M
EASUREMENT OF EARTH CONNECTION AND EQUIPOTENTIAL BONDING
(2P) ....... 14
3.2
C
ALIBRATION OF THE TEST LEADS
......................................................................... 16
3.2.1
Auto-zeroing on .......................................................................................... 16
3.2.2
Auto-zeroing off .......................................................................................... 17
3.3
M
EASUREMENT
3P ................................................................................................ 17
3.4
M
EASUREMENT
4
P
................................................................................................ 21
3.5
M
EASUREMENT
3
P
+
CLAMP
................................................................................. 24
3.6
M
EASUREMENT
3
P
+
ERP-1
ADAPTER
.................................................................. 28
3.7
T
WO
-
CLAMP MEASUREMENT
................................................................................. 31
3.8
M
EASUREMENT
4P
(I
MPULSE METHOD
) .............................................................. 33
3.9
C
URRENT MEASUREMENT
..................................................................................... 37
3.10
E
ARTH RESISTIVITY MEASUREMENTS
................................................................. 38
4
MEMORY .............................................................................................................. 41
4.1
S
AVING MEASUREMENT RESULTS IN THE MEMORY
................................................ 42
4.2
E
RASING
M
EMORY
................................................................................................ 43
4.3
M
EMORY BROWSING
............................................................................................. 44
5
DATA TRANSMISSION ...................................................................................... 45
5.1
C
OMPUTER CONNECTION ACCESSORIES
................................................................. 45
5.2
C
ONNECTION OF THE METER TO A COMPUTER
....................................................... 45
5.3
D
ATA TRANSMISSION WITH
B
LUETOOTH MODULE
................................................. 45
