• Gossen Metrawatt

Characteristic Values

METRAHIT AM BASE METRAHIT AM PRO METRAHIT AM PRO+GH METRAHIT AM TECH METRAHIT COIL METRAHIT T-COM plus METRAHIT PM TUNE METRAHIT EU PRO
Item number M241A M242A M242E M243A M246C M246S M250T M252A
Product details page Details Details Details Details Details Details Details Details
Display
Indication Analogue/digital Analogue/digital Analogue/digital Analogue/digital Analogue/digital Analogue/digital Analogue/digital Analogue/digital
Indication digits 12000 12000 12000 12000 30000 3100 60000 60000
Multiple display
Measuring range selection Manual/automatic Manual/automatic Manual/automatic Manual/automatic Manual/automatic Manual/automatic Manual/automatic Manual/automatic
Basic data
Type of measurement TRMS TRMS TRMS TRMS TRMS TRMS TRMS TRMS
True RMS measurement x x x x x x x x
Basic accuracy 0.05Percentage 0.05Percentage 0.05Percentage 0.05Percentage 0.15Percentage 0.5Percentage 0.05Percentage 0.05Percentage
Measuring circuit category CAT IV CAT IV CAT IV CAT IV CAT III CAT III CAT IV CAT IV
Max. voltage measuring circuit category 600Volt 600Volt 600Volt 600Volt 600Volt 300Volt 600Volt 600Volt
Relative value measurement x x x x x x x x
Min. value storage x x x x x x x x
Max. value storage x x x x x x x x
Peak value memory
Data hold x x x x x x x x
Explosion-tested version
Power and energy measurement
Harmonics analysis/power quality
Crest factor measurement
Rotational speed measuring
Duty cycle measurements x x
Pulse freqency measurement MHz @ 5V TTL x
Inductance measurement
Interturn short-circuit high-voltage test x
Automatic circuit breaker
Voltage measurement
Voltage measurement types DC
AC
AC+DC 		DC
AC
AC Fil
AC+DC 		DC
AC
AC Fil
AC+DC 		DC
AC
AC Fil
AC+DC 		DC
AC
AC Fil
AC+DC 		DC
AC
AC Fil
AC+DC 		DC
AC
AC Fil
AC+DC 		DC
AC
AC Fil
AC+DC
With decibel measurement (dB) x x
Voltage measuring range DC 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0.0001Volt - 600Volt 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 		300 mV
3 V
30 V
300 V
1000 V 		300 mV
3 V
30 V
300 V
600 V 		600 mV
6 V
60 V
600 V
1000 V 		600 mV
6 V
60 V
600 V
1000 V
Max. voltage measuring range, DC 1000Volt 1000Volt 1000Volt 1000Volt 1000Volt 600Volt 1000Volt 1000Volt
Lowest resolution, DC voltage 0.01 mV 0.01 mV 0.01 mV 0.01 mV 0.01 mV 0.1 mV 0.01 mV 0.01 mV
Internal resistance volt DC 9 9 9 9 9 9 9 9
Voltage measuring range AC 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0.0001Volt - 1000Volt 0.0001Volt - 600Volt 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 		300 mV
3 V
30 V
300 V
1000 V 		300 mV
3 V
30 V
300 V
600 V 		600 mV
6 V
60 V
600 V
1000 V 		600 mV
6 V
60 V
600 V
1000 V
Max. voltage measuring range, AC 1000Volt 1000Volt 1000Volt 1000Volt 1000Volt 600Volt 1000Volt 1000Volt
Lowest resolution, AC voltage 0.01 mV 0.01 mV 0.01 mV 0.01 mV 0.1 mV 0.1 mV 0.01 mV 0.01 mV
Frequency range volt AC 15Hertz - 1000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 100000Hertz 15Hertz - 20000Hertz
Internal resistance volt AC 9 9
1 		9
1 		9
1 		9 9 9
1 		9
1
Voltage measuring range AC+DC 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0,00001Volt - 1000Volt 0.0001Volt - 1000Volt 0.0001Volt - 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 		300 mV
3 V
30 V
300 V
1000 V 		300 mV
3 V
30 V
300 V
600 V 		600 mV
6 V
60 V
600 V
1000 V 		600 mV
6 V
60 V
600 V
1000 V
Max. voltage measuring range, AC+DC 1000Volt 1000Volt 1000Volt 1000Volt 1000Volt 600Volt 1000Volt 1000Volt
Lowest resolution volt AC+DC 0.01Millivolt 0.01Millivolt 0.01Millivolt 0.01Millivolt 0.1Millivolt 0.1Millivolt 0.01Millivolt 0.01Millivolt
Internal resistance volt AC+DC 9 9 9 9 9
1 		9 9 9
Frequency range volt AC+DC 1kiloHertz 10kiloHertz 10kiloHertz 10kiloHertz 10kiloHertz 10kiloHertz 100kiloHertz 20kiloHertz
Current measurement
Current measurement types DC
AC
AC+DC 		DC
AC
AC+DC 		DC
AC
AC+DC 		DC
AC
AC+DC 		AC
AC+DC
DC 		DC
AC
AC+DC 		DC
AC
AC+DC 		DC
AC
AC+DC
Current sensor with clipping x x x x x x x x
Current measuring range with current sensors 0,00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere 0,00001Ampere - 30000Ampere 0.0001Ampere - 30000Ampere 0,00001Ampere - 6000Ampere 0,00001Ampere - 6000Ampere
Current transformer with clipping x x x x x x
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 		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 x x x x
Continuity test x x x x x x x x
With conductivity measurement
Resistance measurement range 0.01Ohm - 40000000Ohm 0.01Ohm - 40000000Ohm 0.01Ohm - 40000000Ohm 0.01Ohm - 40000000Ohm 0.01Ohm - 30000000Ohm 0.01Ohm - 30000000Ohm 0.01Ohm - 60000000Ohm 0.01Ohm - 60000000Ohm
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 		300
3 k
30 k
300 k
3 M
30 m 		300
3 k
30 k
300 k
3 M
30 m 		600
6 k
60 k
600 k
6 M
60 m 		600
6 k
60 k
600 k
6 M
60 m
Max. resistance measuring range 40Mega-Ohm 40Mega-Ohm 40Mega-Ohm 40Mega-Ohm 30Mega-Ohm 30Mega-Ohm 60Mega-Ohm 60Mega-Ohm
Lowest resolution, resistance 0.01 Ohm 0.01 Ohm 0.01 Ohm 0.01 Ohm 0.01 Ohm 0.01 Ohm 0.01 Ohm 0.01 Ohm
Lowest resolution, milliohm measurement 10Milli-Ohm 10Milli-Ohm 10Milli-Ohm 10Milli-Ohm 10Milli-Ohm 10Milli-Ohm 10Milli-Ohm
Nominal test voltage 10 V x
Nominal test voltage 50 V x
Nominal test voltage 100 V x x
Nominal test voltage 250 V x
Nominal test voltage 500 V x
Nominal test voltage 1000 V x
Capacitance measurement x x x x
Cable length measurement x
Cable symmetry testing for two wire connections a-b-E x
Frequency measurement
Frequency measurement x x x x x x x x
Measuring range for frequency 0,00001kiloHertz - 100kiloHertz 0,00001kiloHertz - 100kiloHertz 0,00001kiloHertz - 100kiloHertz 0,00001kiloHertz - 100kiloHertz 0.0001kiloHertz - 300kiloHertz 0.0001kiloHertz - 300kiloHertz 0,00001kiloHertz - 1000kiloHertz 0,00001kiloHertz - 300kiloHertz
Max. frequency measuring range 100kiloHertz 100kiloHertz 100kiloHertz 100kiloHertz 300kiloHertz 300kiloHertz 1000kiloHertz 300kiloHertz
Lowest resolution, frequency 0.01 Hz 0.01 Hz 0.01 Hz 0.01 Hz 0.1 Hz 0.1 Hz 0.01 Hz 0.01 Hz
Temperature measurement
Temperature measurement x x x x x x x x
Temperature measurement TC x x x x x x x
Temperature measuring range TC -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius -250Degrees celsius - 1372Degrees celsius
Temperature measurement RTD x x x
Max. temperature measuring range 1372Degrees celsius 1372Degrees celsius 1372Degrees celsius 1372Degrees celsius 1372Degrees celsius 850Degrees celsius 1372Degrees celsius 1372Degrees celsius
Lowest resolution temperature 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C
Interface x x x x
Bluetooth interface
IR interface x x x x
Measured value memory x x x
Miscellaneous
Power supply unit socket x x x
Low-pass filter AC voltage (fc) 1kiloHertz 1kiloHertz 1kiloHertz 0.2kiloHertz 1kiloHertz 1kiloHertz
Current measurement range DC 0.0001Ampere - 10Ampere 0,000001Ampere - 10Ampere 0,0000001Ampere - 10Ampere 0,0000001Ampere - 1Ampere 0,00000001Ampere - 10Ampere 0.0001Ampere - 10Ampere
Current measuring ranges DC 1:00 AM
10:00 AM 		10 mA
100 mA
1:00 AM
10:00 AM 		0.3 mA
3 mA
30 mA
300 mA
3:00 AM
10:00 AM 		300 µA
3 mA
30 mA
300 mA
1:00 AM 		600µA
6 mA
60 mA
600 mA
6:00 AM
10:00 AM 		6:00 AM
10:00 AM
Max. current measuring range, DC 10Ampere 10Ampere 10Ampere 1Ampere 10Ampere 10Ampere
Lowest resolution, DC current 100 µA 1 µA 0.1 µA 0.1 µA 0.01 µA 100 µA
Current measurement range AC 0.0001Ampere - 10Ampere 0,000001Ampere - 10Ampere 0,0000001Ampere - 10Ampere 0,0000001Ampere - 1Ampere 0,00000001Ampere - 10Ampere 0.0001Ampere - 10Ampere
Current measuring ranges AC 1:00 AM
10:00 AM 		10 mA
100 mA
1:00 AM
10:00 AM 		0.3 mA
3 mA
30 mA
300 mA
3:00 AM
10:00 AM 		300 µA
3 mA
30 mA
300 mA
1:00 AM 		600µA
6 mA
60 mA
600 mA
6:00 AM
10:00 AM 		6:00 AM
10:00 AM
Max. current measuring range, AC 10Ampere 10Ampere 10Ampere 1Ampere 10Ampere 10Ampere
Lowest resolution, AC current 100 µA 1 µA 0.1 µA 0.1 µA 0.01 µA 100 µA
Frequency range alternating current 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz 15Hertz - 10000Hertz
Current measurement range AC+DC 0.0001Ampere - 10Ampere 0,000001Ampere - 10Ampere 0,0000001Ampere - 10Ampere 0,0000001Ampere - 1Ampere 0,00000001Ampere - 10Ampere 0.0001Ampere - 10Ampere
Current measuring ranges AC+DC 1:00 AM
10 mA 		10 mA
100 mA
1:00 AM
10:00 AM 		0.3 mA
3 mA
30 mA
300 mA
3:00 AM
10:00 AM 		300 µA
3 mA
30 mA
300 mA
1:00 AM 		600µA
6 mA
60 mA
600 mA
6 A
10:00 AM 		6 A
10:00 AM
Max. current measuring range AC + DC 10Ampere 10Ampere 10Ampere 1Ampere 10Ampere 10Ampere
Lowest resolution amps AC+DC 0.1Milliampere 0.001Milliampere 0.0001Milliampere 0.0001Milliampere 0,00001Milliampere 0.1Milliampere
Frequency range amps AC+DC 10kiloHertz 10kiloHertz 10kiloHertz 10kiloHertz 10kiloHertz 10kiloHertz
Current measuring range with current transformers 0.00001Ampere - 10000Ampere 0.00001Ampere - 10000Ampere 0,00001Ampere - 3000Ampere 0,000001Ampere - 6000Ampere 0.0001Ampere - 6000Ampere
Capacitance measuring range 0,00001Mikro-Farad - 300Mikro-Farad 0,00001Mikro-Farad - 300Mikro-Farad 0,00001Mikro-Farad - 600Mikro-Farad
Capacitance measurement ranges 30 nF
300 nF
3 µF
30 µF
300 µF 		30 nF
300 nF
3 µF
30 µF
300 µF 		60 nF
600 nF
6 �F
60 �F
600µF
Max. capacitance measuring range 300Mikro-Farad 300Mikro-Farad 600Mikro-Farad
Lowest resolution, capacitance 0.00001 µF 0.00001 µF 0.00001 µF
Isolation resistance measuring range 0.005Mega-Ohm - 310Mega-Ohm
Temperature measuring range RTD -200Degrees celsius - 850Degrees celsius -200Degrees celsius - 850Degrees celsius
Memory capacity for measured values 15400 61000
Level measurement voltage types AC
Measuring range voltage level for U ref = 0.775 V -48Decibel - 63Decibel
Lowest resolution voltage level 0.01Decibel

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