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 15
Operating Overview – Connections, Keys, Rotary Switch, Symbols
User Interface Symbols in the Following Chapters
... Scroll through main menu
... Scroll through sub-menu
Select decimal point
Increase/decrease value
time Sub-menu/parameter (7-segment font)
1nFo Main menu (7-segment font, boldface)
Symbols on the Device
Warning concerning a point of danger
(attention: observe documentation!)
Ground
CAT II Measuring category II device, see also
“Measuring Categories and their Significance per IEC
61010-1” on page 8
CAT II I / IV Measuring category III or IV device, see also
“Measuring Categories and their Significance per IEC
61010-1” on page 8
Continuous, doubled or reinforced insulation
Indicates EC conformity
▲ IR ▼ Position of the infrared interface, window on the top of
the instrument
Position of the power pack connector socket,
see also chapter 3.1 (METRAHIT E
XTRA only)
Fuse for current measuring ranges, see chapter 9.3
(not METRAHIT E
SPECIAL and METRAHIT EBASE)
The device may not be disposed of with the trash.
Further information regarding the WEEE mark can be
accessed on the Internet at www.gossenme-
trawatt.com under the search term WEEE (see also
chapter 9.5).
Calibration mark (blue seal):
see also “Recalibration” on page 65
!
5 V / 600 mA
Serial number
Registration number
Date of calibraion (year – month)
German Accrediation Body GmbH – Calibration lab
XY123
2012-08
D-K-
15080-01-01










