User Manual
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 AM X-TRA / AM TECH / AM PRO / Outdoor / SECULIFE HITam/md only)
- 5.1.3 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter (METRA HIT AM X-TRA / AM TECH / AM PRO / Outdoor / SECULIFE HITam/md only)
- 5.1.4 Frequency and Duty Cycle Measurements (METRA HIT AM XTRA / Outdoor / SECULIFE HITam/md 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 AM XTRA / Outdoor / SECULIFE HITam/md and METRA HIT AM TECH only)
- 5.7 Current Measurement
- 5.7.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) (METRA HIT AM X-TRA / AM TECH / AM PRO / Outdoor / SECULIFE HITam/md only)
- 5.7.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz (METRA HIT AM X-TRA / AM TECH / AM PRO / Outdoor / SECULIFE HITam/md only)
- 5.7.3 Direct and Pulsating Current Measurement with Current Sensor Clamp, A DC and A (DC+AC)
- 5.7.4 Alternating Current Measurement with Current Sensor Clamp A AC and Hz
- 5.7.5 Direct, Pulsating and Current Measurement with Current Transformer Clamp A DC, A (DC+AC), A AC and Hz (not METRA HIT AM BASE)
- 5.1 Voltage Measurement
- 6 Device and Measuring Parameters
- 7 Interface Operation (METRA HIT AM XTRA / Outdoor / SECULIFE HITam/md only)
- 8 Technical Data
- 9 Maintenance and Calibration
- 10 Accessories
- 11 Index
GMC-I Messtechnik GmbH 57
Technical Data
5)
Except for sinusoidal waveshape
Reference Conditions
Ambient temperature +23C 2K
Relative humidity 40 ... 75%
Measured qty. frequency 45 ... 65 Hz
Measured qty. waveshape sine
Battery voltage 3 V 0.1 V
Response Time (after manual range selection)
Internal Clock
Time format TT.MM.JJJJ hh:mm:ss
Resolution 0.1 s
Accuracy 1 minute per month
Temperature
influence 50 ppm/K
Influencing
Quantity
Sphere of
Influence
Measured Quantity /
Measuring Range
Influence Error
5)
Crest factor CF
1 ... 3
V, A
1% rdg.
> 3 ... 5 3% rdg.
Influencing Qty. Sphere of Infl. Measured Quantity Influence Error
Relative
humidity
75%
3 days
instrument off
V A, , Hz, C1 x intrinsic error
Influencing
Quantity
Sphere of Influence
Measured Quantity /
Measuring Range
Damping
Common Mode
Interference
Voltage
Interference quantity max. 1000 V V > 120 dB
Interference quantity max. 1000 V
50 Hz ... 60 Hz, sine
1 V , 10 V > 80 dB
100 V > 70 dB
1000 V > 60 dB
Series Mode
Interference
Voltage
Interference quantity: V ,, respective
nominal value of the meas. range,
max. 1000 V , 50 Hz ... 60 Hz, sine
V> 50dB
Interference quantity max. 1000 V V > 110 dB
Measured Quantity /
Measuring Range
Response Time
Digital Display
Measured Quantity Jump Function
V, V
AV , A
1.5 s
From 0 to 80%
of upper range limit value
100 ... 1 M 2s
From to 50%
of upper range limit value
10/40 M 5s
Continuity < 50 ms
C (Pt100) max. 3 s
1.5 s
10 nF ... 100 Fmax. 2s
From 0 to 50%
of upper range limit value
1 000 Fmax. 7s
>10 Hz 1.5 s










