Operation Manual
GMC-I Messtechnik GmbH 61
10
Measured value P and calculated value S are compared, and the smaller value is displayed.
Reference Ranges
Line Voltage 115 / 230 V 0.2%
Line Frequency 50/60 Hz 0.1%
Waveshape sine (deviation between effective and
rectified value < 0.5%)
Ambient Temperature +23 C 2K
Atmospheric Humidity 50% relative 5%
Load Resistors linear
Nominal Ranges of Use
Line Voltage 103.5 V 126.5 V or 207 V 253 V
Line Frequency 50 Hz or 60 Hz
Line Voltage Waveshape sine
Temperature 0 C + 50 C
Func-
tion
Measured Quantity Measuring Range /
Nominal Range of
Use
Resolu-
tion
Open-
Circuit
Voltage
U
0
Short-
Circuit
Current
I
K
Internal
Resis-
tance
R
I
Measuring
Uncertainty
8
Intrinsic
Uncertainty
8
Overload Capacity
Value Duration
Functions Test
Nominal Voltage U
LN
103,5 V 126,5 V
207.0 ... 253.0 V
0.1 V — — — — (2.5%rdg.+5 digits) 253 V cont.
Load Current I
a
0 ... 16.00 A
RMS
10 mA — — — — (2.5%rdg.+5 digits) 20 A 10 min
Active Power P 0 ... 3700 W
10
1W — — — —
(5% rdg.+10 digits)
>20digits
253 V cont.
20 A 10 min
Apparent Power AP 0 ... 4000 VA 1 VA Calculated Value U
LN
• I
V
(5% rdg.+10 digits)
>20digits
Power Factor PF,
sinusoidal: cos
0.00 ... 1.00 0.01 Calculated Value P / AP, Display > 10 W (10% rdg.+5 digits)
Residual Current
I
between L and N
0.00 ... 31.00 mA 10 A———
(10% rdg.+10 d)
> 10 digits
(5% rdg.+5 digits)
11
U
AC/DC
Voltage
0 ... 253.0 V
, and
0.1 V — — — (5% rdg.+10 d)
(2.5%rdg.+5 digits)
>10digits
253 V cont.
U
Probe
Probe Voltage
0 ... 253.0 V
, and
0.1 V — — —
(2.5%rdg.+5 digits)
>10digits
253 V cont.
R Resistance 0 ... 150.0 k 100 <20V– 1.1mA — —
(1% rdg.+3 digits) 253 V cont.
I
CLIP
Current via
Clip-On Current-
Voltage Converter
WZ12C
0.000 ... 10.00 A
1mA — — 1.5M —
(3% rdg.+10 digits)
>10digits
without clip
253 V cont.
0 ... 100 A
1A — — 1.5M — 253 V cont.
Temp
Temperatur e
with Pt100 / Pt1000
Sensor
– 200 ... – 50
C1C
<20V– 1.1mA — —
(2% rdg.+1 C) 10 V cont.
– 50.1 ... + 300.0
C0.1C (1% rdg.+1 C) 10 V cont.
+300 ... +850
C1C (2% rdg.+1 C) 10 V cont.