OPERATING MANUAL MIC-2501 version 1.04
3
CONTENTS
1
SAFETY .................................................................................................................... 5
2
TURNING THE METER ON AND ACTIVATING SCREEN BACKLIGHT. . 6
3
METER CONFIGURATION .................................................................................. 6
4
MEASUREMENTS .................................................................................................. 8
4.1
M
EASUREMENT OF INSULATION RESISTANCE
........................................................... 8
4.1.1
Double-lead measurement ............................................................................. 8
4.1.2
Three-lead measurement ............................................................................. 13
4.2
L
OW
-
VOLTAGE MEASUREMENT OF RESISTANCE
...................................................... 15
4.2.1
Measurement of resistance of protective conductors and equipotential
bonding with 200 mA current ...................................................................... 15
4.2.2
Compensation of test leads resistance ......................................................... 16
4.3
V
OLTAGE MEASUREMENT
..................................................................................... 17
5
MEMORY OF MEASUREMENT RESULTS .................................................... 18
5.1
S
TORING THE MEASUREMENT RESULTS IN THE MEMORY
......................................... 18
5.2
V
IEWING MEMORY DATA
....................................................................................... 20
5.3
D
ELETING MEMORY DATA
..................................................................................... 21
5.3.1
Deleting bank data ....................................................................................... 21
5.3.2
Deleting the whole memory ......................................................................... 22
6
DATA TRANSMISSION ....................................................................................... 24
6.1
C
OMPUTER CONNECTION ACCESSORIES
................................................................ 24
6.2
D
ATA TRANSMISSION THROUGH
USB
PORT
............................................................ 24
7
SOFTWARE UPDATES........................................................................................ 24
8
POWER SUPPLY .................................................................................................. 25
8.1
M
ONITORING THE POWER SUPPLY VOLTAGE
.......................................................... 25
8.2
C
HARGING THE BATTERY PACK
............................................................................. 25
8.3
G
ENERAL PRINCIPLES REGARDING USING
N
I
-MH
RECHARGEABLE BATTERIES
........ 26
9
CLEANING AND MAINTENANCE ................................................................... 27
10
STORAGE .............................................................................................................. 27
11
DISMANTLING AND DISPOSAL ...................................................................... 27
12
TECHNICAL SPECIFICATIONS ....................................................................... 28
12.1
B
ASIC DATA
.......................................................................................................... 28
12.2
A
DDITIONAL DATA
................................................................................................ 30
12.2.1
Additional uncertainties according to IEC 61557-2 (R
ISO
) .......................... 30
12.2.2
Additional uncertainties according to IEC 61557-4 (R ±200 mA) .............. 30