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
ΔI Residual current, fault current (during function test)
ΔI
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-PE±mains 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 Ω)
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