Sonel MIC-5010 - Page 41

MIC-5010, MIC-5005 – USER MANUAL
37
ISOnom
nomISO
ISO
I
U
R min
where:
R
ISOmin
- minimum insulation resistance measured without limiting the converter current
U
ISOnom
- nominal test voltage
I
ISOnom
- nominal converter current (1.2 mA or 3 mA)
 Additional uncertainty in the three-lead measurement (impact of G terminal): 0.05% with reduced
current leakage incurred by 250 kΩ resistance during 100 MΩ measurement with 50 V measurement
voltage.
 Max. short-circuit current: 3.6 mA ±15 %.
 Measuring/charging current in the remaining load range shall be selected from the following values:
1.2 mA, 3 mA.
Measurement of leakage current
Display range
Resolution
Basic uncertainty
0…1.2 mA
*
**
0...3 mA
* - resolution and units result from the measurement range of individual insulation resistance,
** - calculated basing on resistance measurements.
Measurement of capacitance
Display range
Resolution
Basic uncertainty
0 nF…999 nF
1 nF
 (5% m.v. + 5 digits)
1.00 µF…49.99 µF
0.01 µF
 Measurement of capacitance is available only during R
ISO
measurement (when discharging the
object).
 Base uncertainty of measurement is is met for the tested capacitance connected in parallel with
a resistance greater than 10 MΩ.
 For measurement voltages below 100 V the measurement error is not specified.
Measurement of continuity of protective conductors and equipotential bondings with 200 mA
current (MIC-5010 only)
Measuring range according to IEC 61557-4: 0.12 …999 
Display range
Resolution
Basic uncertainty
0.00 …19.99 
0.01 
±(2 % m.v. + 3 digits)
20.0 ...199.9 
0.1 
200 …999 
1 
±(4 % m.v. + 3 digits)
 Voltage at open terminals: 4 V…24 V
 Output current at R<15 : min. 200 mA (I
SC
: 200 mA...250 mA)
 Current flowing bidirectionally, average resistance is displayed on the screen,
 Compensation of test leads resistance, autozeroing,
Other technical data
a) type of insulation .......................................................double, EN 61010-1 and IEC 61557 compliant
b) measurement category .............................................IV 600 V (III 1000 V) according to EN 61010-1
c) degree of housing protection acc. to EN 60529.............................. IP40 (IP67 for closed enclosure)
d) power supply of the meter.................................................................... 14.8 V 5.3 Ah Li-Ion battery,
(gel battery 12 V for MIC-5010 up to SN: B20319 and MIC-5005 up to SN: B10644), mains 90 V ÷
260 V 50 Hz/60 Hz