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
60 GMC-I Messtechnik GmbH
Technical Data
Display
LCD panel (65 mm x 36 mm) with analog and digital display
including unit of measure, type of current and various special
functions
Background illumination
Background illumination is switched off approximately 1 minute
after it has been activated.
Analog
Display LCD scale with bar graph or pointer,
depending upon A.diSP parameter setting
Scaling With 4 division lines each
1 bar/pointer corresponds to 2,500 digits
at the digital display for High Resolution
60,000 digits
Polarity display With automatic switching
Overflow display With the symbol
Measuring rate 40 per second and display refresh
(U and I)
Digital
Display / Char. Height
7-segment characters / 15 mm
Number of places 59,999 steps
Overflow display “0L” is displayed for 60,000 digits
Polarity display “–” (minus sign) is displayed
if plus pole is connected to “”
Measuring rate 10 measurements per second;
40 per second with Min/Max function
except with capacitance, frequency and
duty cycle measuring functions
Refresh Rate 2 times per sec., every 500 ms (Standard*:
noFiL=OFF)
5 x/s (Parameter noFiL=on)
* All specifications refer to the default update rate with measuring param-
eter noFiL = OFF (default).
Acoustic Signals
For voltage Intermittent signal at above 1000 V
For current Intermittent signal at above 10 A
Continuous signal at above 16 A
Fuse for METRAHIT EXTRA, METRAHIT ETECH
Fuse FF (UR) 10 A/1000 V AC/DC,
10 x 38 mm,
switching capacity:
30 kA at 1000 V AC/DC,
protects the current input socket in the
600 A to 10 A ranges