Instructions
Table Of Contents
- 1 Safety Features and Precautions
- 2 Operating Overview – Connections, Keys, Rotary Switch, Symbols
- 3 Initial Start-Up
- 4 Control Functions
- 5 Measurements
- 5.1 Voltage Measurement
- 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC)
- 5.1.2 Alternating Voltage Measurement with 1 MW Load Resistance and Frequency Measurement with Selectable Low-Pass Filter (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.1.3 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.1.4 Frequency and Duty Cycle Measurements (METRA HIT Extra only)
- 5.2 Resistance Measurement, W
- 5.3 Continuity Test
- 5.4 Diode Testing with a Constant Current of 1 mA
- 5.5 Temperature Measurement
- 5.6 Capacitance Measurement (METRA HIT Extra and METRA HIT Etech only)
- 5.7 Current Measurement
- 5.7.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.7.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.7.3 Direct and Pulsating Current Measurement with Current Clamp Sensors, A DC and A (DC+AC)
- 5.7.4 Alternating Current Measurement with Current Clamp Sensors, A AC and Hz
- 5.7.5 Direct, Pulsating and Current Measurement with Current Clamps Transformer A DC, A (DC+AC), A AC and Hz (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.1 Voltage Measurement
- 6 Device and Measuring Parameters
- 7 Interface Operation
- 8 Technical Data
- 9 Maintenance and Calibration
- 10 Accessories
- 11 Index
GMC-I Messtechnik GmbH 57
Technical Data
Influencing Quantities and Influence Error
1)
With zero balancing
2)
Power limiting: frequency x voltage max. 6 x 10
6
V x Hz for U > 100 V
3)
The accuracy specification for frequency response is valid within a dis-
play value range of 10% to 100% of the measuring range for both mea-
suring modes with the TRMS converter in the AC and (AC+DC) ranges.
4)
METRAHIT EXTRA:
Frequency response up to 100 kHz, > 50 kHz + 2.5%
METRAHIT ETECH: Frequency response up to 20 kHz,
METRAHIT E
SPECIAL: Frequency response up to 20 kHz,
METRAHIT E
BASE: Frequency response up to 1 kHz
Influencing
Quantity
Sphere of
Influence
Measured Quantity /
Measuring Range
1)
Influence Error
(...% rdg. + ... d) / 10 K
Temperature
0 C ... +21C
and
+25C... +40C
V 0.2 + 10
V 0.4 + 10
600 ... 6 M 0.5 + 10
> 6 M 1 + 10
mA/A 0.5 + 10
mA/A 0.8 + 10
60 nF ... 600 F1 + 5
Hz, dB 0.2 + 10
C/F (Pt100/Pt1000) 0.5 + 10
C/F thermocouple K 0.2 + 10
Influencing
Quantity
Measuring Quantity
Influence Error
(...% rdg. + ... d)
DATA V A, , Hz, dB, C 10 d
MIN / MAX V A, , Hz, dB, C 30 d
Influencing
Quantity
Meas. Quantity/
Meauring Range
Sphere of Influence
Intrinsic Error
3)
... % rdg. + ... d)
METRAHIT E
XTRA
METRAHIT E
TECH
METRAHIT E
SPECIAL
METRAHIT E
BASE
Frequency
V
AC
600.00 mV
> 15 Hz ... 45 Hz 3 + 30 3 + 30
> 65 Hz ... 1 kHz 2 + 30 3 + 30
> 1 kHz ... 20 kHz 3 + 30 —
6.0000 V
...
600.00 V
2)
> 15 Hz ... 45 Hz 2 + 9 3 + 9
> 65 Hz ... 1 kHz 1 + 9 3 + 9
> 1 kHz ... 20 kHz
4)
3 + 9 —
> 20 kHz ... 100 kHz
4)
3.5 + 30 —
1000.0 V
2)
> 15 Hz ... 45 Hz 2 + 9 3 + 9
> 65 Hz ... 1 kHz 2 + 9 3 + 9
> 1 kHz ... 10 kHz 3 + 30 —
A
AC
600.00 A
...
10.0000 A
> 15 Hz ... 45 Hz
3 + 10 —
> 65 Hz ... 10 kHz
A
AC
E
BASE
600 mV /
6 V / 10 V
> 65 Hz ... 1 kHz — 3 + 30