Gossen MetraWatt 702 - Manual (Page 13)

GOSSEN METRAWATT GMBH 13
6 Abbreviations
AE Error condition: application part grounded
B, BF, CF Classifications for application parts
OE Operational earth
ΔI
Differential current, residual current
ΔI
max
Maximum residual current (during function test)
EDL
A1/A2
Equivalent device leakage current with designation A1/A2
(cross-reference in the standard)
EDL
PX ±PE Equivalent device leakage current for portable x-ray
+PE: with additional PE conductor
–PE: without additional PE conductor
EDL
SCII
Equivalent device leakage current for devices with
additional safety class 2 components
HE Error condition: housing grounded
I
L
, I , I
HL
, I
probe
Leakage current (differential, probe or contact current)
I
Re
Residual current
I
EL
, I
EDL
Equivalent device leakage current
I
PE
Earth leakage current (current at protective conductor)
IT system The IT system has no direct contact between active
conductors and grounded parts: bodies within the
electrical system are grounded.
I
Lmax
Maximum load current (during function test)
I
Z
Current at clip-on meter
L Phase conductor
PF Power factor
MedGV German medical device ordinance
MPG German medial product law
MSELV Medical safety extra-low voltage
N Neutral conductor
NC Normal conditions
P Active power
PA Functional earth (equipotential bonding)
R Resistance (only with feature F01)
R
ISO,
R-ISO Insulation resistance
R-ISO APP-PE Insulation resistance: application part to PE
R-ISO
INT. CARD.
Insulation resistance: intracardiac
(application at the heart)
R-ISO NL-PE Insulation resistance: neutral/phase conductor to PE
R
PE
, R-PE Protective conductor resistance
R-SL
±Mains
Protective conductor resistance limit value for
+mains: DUT with mains power cable
–mains: DUT without mains power cable
(protective conductor resistance limit value for mains
power cable only = 0.1
Ω)
S Apparent power
SELV Safety extra-low voltage
SFC Single-fault condition
PE Protective conductor
U
AC/DC
AC/DC voltage (only with feature F01)
U
REF
Reference voltage: voltage to which all leakage voltages
make reference (as a rule nominal line voltage)
U-ISO Test voltage for insulation measurement
U
L-N
Line voltage
U
MEAS
Voltage with which testing was executed.
Displayed for all leakage current measurements.
U
probe
Probe voltage
t On-time
Temp Resistance temperature (only with feature F01)
W Electrical energy
ZVEH General Association of German Electricians