Operation Manual
16 GMC-I Messtechnik GmbH
6 Abbreviations
AE Error condition: application part grounded
AP Apparent power (during function test)
B, BF, CF Classifications for application parts
DEFI Defibrillator
I Residual current, fault current (during function test)
I
max
Maximum residual current (during function test)
RC
wc
Residual current worst case
HE Error condition: housing grounded
I
CLIP
Current at clip-on meter
I-EHC
SCII
Equivalent device leakage current for devices with
additional safety class II components
I-EHL
A1/A2
Equivalent device leakage current with note A1/A2
(cross-reference within the standard)
I-EHL
FR
PE
Equivalent device leakage current for portable x-ray devices
+PE: with additional protective conductor
–PE: without additional protective conductor
I
EL
, I-EL Equivalent leakage current
I
EDL
, I-EDL
Equivalent device leakage current (current at protective conductor)
I
EPL
, I-EPL Equivalent patient leakage current
I
L
, I
HL
, I-HL Leakage current (differential, probe or contact current)
I
L(max)
(I
a
) (Maximum) load current (during function test)
I
LC
Device leakage current
I
PA
Patient auxiliary current
I
PE
Earth leakage current (current at protective conductor)
I
PL
Patient leakage current
I
PMAP
Mains to application part (patient leakage current measurement)
I
RC
, (I
Re
) Residual current (current at protective conductor during
automatic test sequence)
I
C,
I
HL
, I-HL Contact current (housing leakage current)
IT-system The IT system makes no direct contact between active
conductors and grounded parts: bodies within the elec-
trical system are grounded.
L Phase conductor connection of DUT
MedGV German medical device ordinance
MLV manufacturer’s limit value
MPG German medical product law
MSELV Medical safety extra-low voltage
N Neutral conductor connection of DUT
NC Normal condition
OE Operational earth
P Active power (during function test)
PA Functional earth (equipotential bonding)
PE Protective conductor connection of DUT
PF Power factor (during function test)
RResistance
R
INS
, R-INS Insulation resistance
R-INS AP-PE Insulation resistance: application part to PE
R-INS
INT. KARD.
Insulation resistance: intercardiac
(application in proximity to the heart)
R-INS NL-PE Insulation resistance: neutral/phase conductor to PE
R
PE
, R-PE Protective conductor resistance
R-PEmains Protective conductor resistance limit value for
+mains: device under test with mains cable
–mains: device under test without mains cable
(protective conductor resistance limit value for mains
cable only = 0.1
SELV Safety extra-low voltage
SFC Single-fault condition
t On-time (during function test)
T, Temp Temperat ure
U
AC/DC
AC/DC voltage
U
REF
Reference voltage: voltage to which leakage current is
related (as a rule nominal line voltage)
U
HV
, U-HV High-voltage
U
INS
, U-INS Test voltage for insulation measurement
U
LN
, U-LN Line voltage
U
MEAS
Voltage at which testing was executed.
Displayed for all leakage current measurements.
U
Probe
Probe voltage
W Electrical energy (during function test)
ZVEH General Association of German Electricians