• Gossen Metrawatt

Characteristic Values

METRAHIT AM XTRA METRAHIT AM PRO METRAHIT AM BASE METRAHIT AM TECH
Item number M240A M242A M241A M243A
Product details page Details Details Details Details
Display
Indication Analogue/digital Analogue/digital Analogue/digital Analogue/digital
Indication digits 12000 12000 12000 12000
Multiple display
Measuring range selection Manual/automatic Manual/automatic Manual/automatic Manual/automatic
Basic data
Type of measurement TRMS TRMS TRMS TRMS
True RMS measurement x x x x
Basic accuracy 0.05Percentage 0.05Percentage 0.05Percentage 0.05Percentage
Measuring circuit category CAT IV CAT IV CAT IV CAT IV
Max. voltage measuring circuit category 600Volt 600Volt 600Volt 600Volt
Relative value measurement x x x x
Min. value storage x x x x
Max. value storage x x x x
Peak value memory
Data hold x x x x
Special functions
Explosion-tested version
Power and energy measurement
Harmonics analysis/power quality
Crest factor measurement
Rotational speed measuring
Duty cycle measurements x
Pulse freqency measurement MHz @ 5V TTL x
Inductance measurement
Interturn short-circuit high-voltage test
Automatic circuit breaker
Voltage measurement
Voltage measurement types DC
AC
AC Fil
AC+DC 		DC
AC
AC Fil
AC+DC 		DC
AC
AC+DC 		DC
AC
AC Fil
AC+DC
With decibel measurement (dB)
Voltage measuring range DC 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt
Voltage measuring ranges DC 100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V
Max. voltage measuring range, DC 1000Volt 1000Volt 1000Volt 1000Volt
Lowest resolution, DC voltage 0.01 mV 0.01 mV 0.01 mV 0.01 mV
Internal resistance volt DC 10 9 9 9
Voltage measuring range AC 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt
Voltage measuring ranges AC 100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V
Max. voltage measuring range, AC 1000Volt 1000Volt 1000Volt 1000Volt
Lowest resolution, AC voltage 0.01 mV 0.01 mV 0.01 mV 0.01 mV
Frequency range volt AC 15Hertz - 20000Hertz 15Hertz - 10000Hertz 15Hertz - 1000Hertz 15Hertz - 10000Hertz
Internal resistance volt AC 9
1 		9
1 		9 9
1
Low-pass filter AC voltage (fc) 1kiloHertz 1kiloHertz 1kiloHertz
Voltage measuring range AC+DC 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt
Voltage measuring ranges AC+DC 100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V 		100 mV
1 V
10 V
100 V
1000 V
Max. voltage measuring range, AC+DC 1000Volt 1000Volt 1000Volt 1000Volt
Lowest resolution volt AC+DC 0.01Millivolt 0.01Millivolt 0.01Millivolt 0.01Millivolt
Internal resistance volt AC+DC 9 9 9 9
Frequency range volt AC+DC 20kiloHertz 10kiloHertz 1kiloHertz 10kiloHertz
Current measurement
Current measurement types DC
AC
AC+DC 		DC
AC
AC+DC 		DC
AC
AC+DC 		DC
AC
AC+DC
Current measurement range DC 0,00000001Ampere - 10Ampere 0.0001Ampere - 10Ampere 0,000001Ampere - 10Ampere
Current measuring ranges DC 0.1 mA
1 mA
10 mA
100 mA
1:00 AM
10:00 AM 		1:00 AM
10:00 AM 		10 mA
100 mA
1:00 AM
10:00 AM
Max. current measuring range, DC 10Ampere 10Ampere 10Ampere
Lowest resolution, DC current 0.01 µA 100 µA 1 µA
Current measurement range AC 0,00000001Ampere - 10Ampere 0.0001Ampere - 10Ampere 0,000001Ampere - 10Ampere
Current measuring ranges AC 0.1 mA
1 mA
10 mA
100 mA
1:00 AM
10:00 AM 		1:00 AM
10:00 AM 		10 mA
100 mA
1:00 AM
10:00 AM
Max. current measuring range, AC 10Ampere 10Ampere 10Ampere
Lowest resolution, AC current 0.01 µA 100 µA 1 µA
Frequency range alternating current 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz
Current measurement range AC+DC 0,00000001Ampere - 10Ampere 0.0001Ampere - 10Ampere 0,000001Ampere - 10Ampere
Current measuring ranges AC+DC 0.1 mA
1 mA
10 mA
100 mA
1:00 AM
10:00 AM 		1:00 AM
10:00 AM 		10 mA
100 mA
1:00 AM
10:00 AM
Max. current measuring range AC + DC 10Ampere 10Ampere 10Ampere
Lowest resolution amps AC+DC 0,00001Milliampere 0.1Milliampere 0.001Milliampere
Frequency range amps AC+DC 10kiloHertz 10kiloHertz 10kiloHertz
Current sensor with clipping x x x x
Current measuring range with current sensors 0.00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere 0,00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere
Current transformer with clipping x x x
Current measuring range with current transformers 0.00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere
Clip factors 01:01
01:10
0,111111111
0,736111111 		01:01
01:10
0,111111111
0,736111111 		01:01
01:10
0,111111111
0,736111111 		01:01
01:10
0,111111111
0,736111111
Resistance measurement
Milliohm measurement with 4 wire technique (Kelvin connection)
Resistance test/diode test x x x x
Continuity test x x x x
With conductivity measurement
Resistance measurement range 0.01Ohm - 40000000Ohm 0.01Ohm - 40000000Ohm 0.01Ohm - 40000000Ohm 0.01Ohm - 40000000Ohm
Resistance measurement ranges 100
1 k
10 k
100 k
1 M
10 M
40 M 		100
1 k
100 k
1 M
10 M
40 M 		100
1 k
10 k
100 k
1 M
10 M
40 M 		100
1 k
10 k
100 k
1 M
10 M
40 M
Max. resistance measuring range 40Mega-Ohm 40Mega-Ohm 40Mega-Ohm 40Mega-Ohm
Lowest resolution, resistance 0.01 Ohm 0.01 Ohm 0.01 Ohm 0.01 Ohm
Lowest resolution, milliohm measurement 10Milli-Ohm 10Milli-Ohm 10Milli-Ohm 10Milli-Ohm
Nominal test voltage 10 V
Nominal test voltage 50 V
Nominal test voltage 100 V
Nominal test voltage 250 V
Nominal test voltage 500 V
Nominal test voltage 1000 V
Capacitance measurement
Capacitance measurement x x
Capacitance measuring range 0,00001Mikro-Farad - 1000Mikro-Farad 0,00001Mikro-Farad - 1000Mikro-Farad
Capacitance measurement ranges 10 nF
100 nF
1 µF
10µF
100 µF
1000 �F 		10 nF
100 nF
1 µF
10µF
100 µF
1000 �F
Max. capacitance measuring range 1000Mikro-Farad 1000Mikro-Farad
Lowest resolution, capacitance 0.00001 µF 0.00001 µF
Cable length measurement
Cable symmetry testing for two wire connections a-b-E
Frequency measurement
Frequency measurement x x x x
Measuring range for frequency 0,00001kiloHertz - 1000kiloHertz 0,00001kiloHertz - 100kiloHertz 0,00001kiloHertz - 100kiloHertz 0,00001kiloHertz - 100kiloHertz
Max. frequency measuring range 1000kiloHertz 100kiloHertz 100kiloHertz 100kiloHertz
Lowest resolution, frequency 0.01 Hz 0.01 Hz 0.01 Hz 0.01 Hz
Temperature measurement
Temperature measurement x x x x
Temperature measurement TC x x x x
Temperature measuring range TC -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius
Temperature measurement RTD x
Temperature measuring range RTD -200Degrees celsius - 850Degrees celsius
Max. temperature measuring range 1372Degrees celsius 1372Degrees celsius 1372Degrees celsius 1372Degrees celsius
Lowest resolution temperature 0.1 °C 0.1 °C 0.1 °C 0.1 °C
Interface and memory
Interface x
Bluetooth interface
IR interface x
Measured value memory x
Memory capacity for measured values 15400
Miscellaneous
Power supply unit socket x

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