User manual
22 GMC-I Messtechnik GmbH
10.2 METRATESTER 5+ Test Instrument
Measurements During Operation
Overload Capacity
Intrinsic Uncertainty and Measuring Uncertainty
Reference Conditions
Ambient temp. +23 C 2K
Relative humidity 40 60%
Line voltage 230 V 1%
Measured quantity
frequency 50 Hz 0.2%
Measured quantity
waveshape Sine (deviation between effective and rectified value: 0.5%)
Measuring Qty. Measuring Range Resolution U
no-load
R
i
I
K
I
N
Protective
conductor
resistance
0 19.99 10 m < 20 V — > 200 mA
Insulation
resistance
0.05 19.99 M 10 K 600 V Approx.
100 k
<10mA > 1 mA
Equivalent
leakage current,
0 19.99 mA 10 A 28 V 2k <20mA —
Contact current
(verification of
absence of volt-
age by means of
current measure-
ment)
0 1.999 mA 1 A2k
Differential
current
0,01 19.99 mA ~ 10 A
Measuring Quantity Measuring Range Resolution
Line voltage 207 253 V ~ 1 V
Load current via mains outlet 0 16.00 A ~ 10 mA
Load current via mains outlet, differential current 19 A, 5 min.
All other measured quantities 250 V continuous
Measured Quantity Intrinsic Uncertainty Measuring Uncertainty
Protective conductor resistance
(2.5% rdg. + 2 d) (10% rdg. + 5 d)
Insulation resistance, 0 19.99 M
(2.5% rdg. + 2 d) (10% rdg. + 5 d)
Equivalent leakage current
(2.5% rdg. + 2 d) (10% rdg. + 5 d)
Verification of absence of voltage by means
of current measurement (contact current)
(2.5% rdg. + 2 d) (10% rdg. + 5 d)
Differential current
(4% rdg. + 5 d) (10% rdg. + 5 d)
Line Voltage
(2.5% rdg. + 2 d) (10% rdg. + 5 d)
Load current via mains outlet
(2.5% rdg. + 2 d) (10% rdg. + 5 d)