Gossen METRAHIT PM TUNE High-end TRMS Multimeter

26 multimeter functions
Resolution: ±60,000 digits, 4 6/7-place
Basic accuracy: ±0.05% (VDC)
Voltage ACTRMS, voltage AC+DC TRMS, voltage DC, level dB, relative value ΔREL, frequency (Hz, MHz), duty cycle, resistance, diode testing, continuity test, capacitance, current
ACTRMS, current AC+DCTRMS, temperature with Pt 100/1000 sensors and type K thermocouples
Auto-ranging current measurement from 10 nA to 10 A (16 A) via a single connector jack and a single fuse
Clip function for TRMS current measurement with sensors and transformers
Additional filter function and voltage measurement with reduced input impedance for limiting interference, e.g. for measurements at frequency converters
Automatic and manual measuring range selection
Zero adjustment
Automatic storage of measured values: DATA / MIN / MAX
2 MB data memory for 61,600 measured values for long-term measurements with data logger function
Infrared interface for communication with the PC
Large, light-blue illuminated display with extra-large characters (15 mm) and an analog bar graph for dynamic processes
Separate battery and fuse compartments
Power pack connector socket for operation without batteries
Patented automatic blocking sockets (ABS)
Measuring category: 600 V CAT IV, 1000 V CAT III
Rubber holster for protection against shocks and impacts

Description
Additional information
Specifications

Description

The Metrahit PM TUNE is a high-end, professional digital multimeter from the Metrahit Professional Multimeter series by Gossen Metrawatt. It’s specifically designed for tuning and adjustment tasks in various electrical and electronic applications.

Key Features:

The increased refresh-rate of the LCD reacts directly and without time delay to changed adjustments, e.g. of a potentiometer
Universal use in all fields of electrical engineering!
TRMS measurement up to 100 kHz with digital display (60,000 digits) and analog scale
Measurement of voltage and current, DC, AC and AC/DC, dB, ΔREL, resistance, temperature, frequency, duty cycle, capacitance, continuity/diodes
Automatic measuring range selection and measured value storage
Safety for the user and the instrument in measuring categories CAT IV up to 600 V and CAT III up to 1000 V.
High Accuracy & Resolution: Offers exceptional measurement accuracy and high resolution for precise readings.
Fast Response Time: Features a fast response time, crucial for tuning and adjusting sensitive circuits.

Benefits:

Enhanced Tuning Accuracy: Enables precise adjustments and calibrations in various electronic and electrical systems.
Improved Efficiency: Fast response time and high accuracy streamline tuning and troubleshooting processes.
Increased Productivity: Enables faster and more efficient work in applications requiring precise measurements.
Enhanced Reliability: Robust construction ensures reliable performance in demanding environments.

Applications:

Precise tuning and adjustment of electronic circuits
Audio and video equipment servicing
Industrial automation and control systems
Research and development
Any application where high accuracy and fast response times are critical

The Metrahit PM TUNE is a specialized multimeter designed for professionals who require the highest levels of accuracy and performance in their measurements. Its fast response time, high resolution, and rugged construction make it an ideal tool for demanding tuning and adjustment tasks.

Additional information

Brand	Gossen Metrawatt

Characteristic Values

	METRAHIT PM TECH	METRAHIT PM PRIME BT	METRAHIT PM XTRA	METRAHIT PM TUNE	METRAHIT PM PRIME

Item number	M253A	M248B	M250A	M250T	M248A
Display
Indication	Analogue/digital	Digital	Analogue/digital	Analogue/digital	Digital
Indication digits	60000	310000	60000	60000	310000
Multiple display		x			x
Measuring range selection	Manual/automatic	Manual/automatic	Manual/automatic	Manual/automatic	Manual/automatic
Basic data
Type of measurement	TRMS	TRMS	TRMS	TRMS	TRMS
True RMS measurement	x	x	x	x	x
Basic accuracy	0.05Percentage	0.02Percentage	0.05Percentage	0.05Percentage	0.02Percentage
Measuring circuit category	CAT IV	CAT IV	CAT IV	CAT IV	CAT IV
Max. voltage measuring circuit category	600Volt	300Volt	600Volt	600Volt	300Volt
Relative value measurement	x	x	x	x	x
Min. value storage	x	x	x	x	x
Max. value storage	x	x	x	x	x
Peak value memory
Data hold	x	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	x	x	x
Pulse freqency measurement MHz @ 5V TTL		x	x	x	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 AC+DC Fil	DC AC AC Fil AC+DC	DC AC AC Fil AC+DC	DC AC AC Fil AC+DC AC+DC Fil
With decibel measurement (dB)	x	x	x	x	x
Voltage measuring range DC	0,00001Volt – 1000Volt	0,000001Volt – 600Volt	0,00001Volt – 1000Volt	0,00001Volt – 1000Volt	0,000001Volt – 600Volt
Voltage measuring ranges DC	600 mV 6 V 60 V 600 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	300 mV 3 V 30 V 300 V 600 V
Max. voltage measuring range, DC	1000Volt	600Volt	1000Volt	1000Volt	600Volt
Lowest resolution, DC voltage	0.01 mV	0.001 mV	0.01 mV	0.01 mV	0.001 mV
Internal resistance volt DC	9	10	9	9	10
Voltage measuring range AC	0,00001Volt – 1000Volt	1Volt – 600Volt	0,00001Volt – 1000Volt	0,00001Volt – 1000Volt	1Volt – 600Volt
Voltage measuring ranges AC	600 mV 6 V 60 V 600 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	300 mV 3 V 30 V 300 V 600 V
Max. voltage measuring range, AC	1000Volt	600Volt	1000Volt	1000Volt	600Volt
Lowest resolution, AC voltage	0.01 mV	0.01 mV	0.01 mV	0.01 mV	0.01 mV
Frequency range volt AC	15Hertz – 20000Hertz	15Hertz – 100000Hertz	15Hertz – 100000Hertz	15Hertz – 100000Hertz	15Hertz – 100000Hertz
Internal resistance volt AC	9 1	5	9 1	9 1	5
Low-pass filter AC voltage (fc)	1kiloHertz	1kiloHertz	1kiloHertz	1kiloHertz	1kiloHertz
Voltage measuring range AC+DC	0,00001Volt – 1000Volt	1Volt – 600Volt	0,00001Volt – 1000Volt	0,00001Volt – 1000Volt	1Volt – 600Volt
Voltage measuring ranges AC+DC	600 mV 6 V 60 V 600 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	300 mV 3 V 30 V 300 V 600 V
Max. voltage measuring range, AC+DC	1000Volt	600Volt	1000Volt	1000Volt	600Volt
Lowest resolution volt AC+DC	0.01Millivolt	0.01Millivolt	0.01Millivolt	0.01Millivolt	0.01Millivolt
Internal resistance volt AC+DC	9	5	9	9	5
Frequency range volt AC+DC	20kiloHertz	100kiloHertz	100kiloHertz	100kiloHertz	100kiloHertz
Level measurement voltage types	AC	AC AC+DC	AC	AC	AC AC+DC
Measuring range voltage level for U ref = 0.775 V	-48Decibel – 63Decibel	-42Decibel – 57Decibel	-48Decibel – 63Decibel	-48Decibel – 63Decibel	-42Decibel – 57Decibel
Lowest resolution voltage level	0.01Decibel	0.01Decibel	0.01Decibel	0.01Decibel	0.01Decibel
Current measurement
Current measurement types	DC AC AC+DC	AC AC+DC DC	DC AC AC+DC	DC AC AC+DC	AC AC+DC DC
Current measurement range DC	0,000001Ampere – 10Ampere	0,000000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,000000001Ampere – 10Ampere
Current measuring ranges DC	60 mA 600 mA 6:00 AM 10:00 AM	0.3 mA 3 mA 30 mA 300 mA 3:00 AM 10:00 AM	600µA 6 mA 60 mA 600 mA 6:00 AM 10:00 AM	600µA 6 mA 60 mA 600 mA 6:00 AM 10:00 AM	0.3 mA 3 mA 30 mA 300 mA 3:00 AM 10:00 AM
Max. current measuring range, DC	10Ampere	10Ampere	10Ampere	10Ampere	10Ampere
Lowest resolution, DC current	1 µA	0.001 µA	0.01 µA	0.01 µA	0.001 µA
Current measurement range AC	0,000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere
Current measuring ranges AC	60 mA 600 mA 6:00 AM 10:00 AM	0.3 mA 3 mA 30 mA 300 mA 3:00 AM 10:00 AM	600µA 6 mA 60 mA 600 mA 6:00 AM 10:00 AM	600µA 6 mA 60 mA 600 mA 6:00 AM 10:00 AM	0.3 mA 3 mA 30 mA 300 mA 3:00 AM 10:00 AM
Max. current measuring range, AC	10Ampere	10Ampere	10Ampere	10Ampere	10Ampere
Lowest resolution, AC current	1 µA	0.01 µA	0.01 µA	0.01 µA	0.01 µA
Frequency range alternating current	15Hertz – 10000Hertz	15Hertz – 10000Hertz	15Hertz – 10000Hertz	15Hertz – 10000Hertz	15Hertz – 10000Hertz
Current measurement range AC+DC	0,000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere	0,00000001Ampere – 10Ampere
Current measuring ranges AC+DC	60 mA 600 mA 6 A 10:00 AM	0.3 mA 3 mA 30 mA 300 mA 3:00 AM 10:00 AM	600µA 6 mA 60 mA 600 mA 6 A 10:00 AM	600µA 6 mA 60 mA 600 mA 6 A 10:00 AM	0.3 mA 3 mA 30 mA 300 mA 3:00 AM 10:00 AM
Max. current measuring range AC + DC	10Ampere	10Ampere	10Ampere	10Ampere	10Ampere
Lowest resolution amps AC+DC	0.001Milliampere	0,00001Milliampere	0,00001Milliampere	0,00001Milliampere	0,00001Milliampere
Frequency range amps AC+DC	10kiloHertz	10kiloHertz	10kiloHertz	10kiloHertz	10kiloHertz
Current sensor with clipping	x	x	x	x	x
Current measuring range with current sensors	0,00001Ampere – 6000Ampere	0,00001Ampere – 3000Ampere	0,00001Ampere – 6000Ampere	0,00001Ampere – 6000Ampere	0,00001Ampere – 3000Ampere
Current transformer with clipping	x	x	x	x	x
Current measuring range with current transformers	0,000001Ampere – 6000Ampere	0,000001Ampere – 3000Ampere	0,000001Ampere – 6000Ampere	0,000001Ampere – 6000Ampere	0,000001Ampere – 3000Ampere
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
Resistance measurement
Milliohm measurement with 4 wire technique (Kelvin connection)
Resistance test/diode test	x	x	x	x	x
Continuity test	x	x	x	x	x
With conductivity measurement
Resistance measurement range	0.01Ohm – 60000000Ohm	0.001Ohm – 30000000Ohm	0.01Ohm – 60000000Ohm	0.01Ohm – 60000000Ohm	0.001Ohm – 30000000Ohm
Resistance measurement ranges	600 6 k 60 k 600 k 6 M 60 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	300 3 k 30 k 300 k 3 M 30 m
Max. resistance measuring range	60Mega-Ohm	30Mega-Ohm	60Mega-Ohm	60Mega-Ohm	30Mega-Ohm
Lowest resolution, resistance	0.01 Ohm	0.001 Ohm	0.01 Ohm	0.01 Ohm	0.001 Ohm
Lowest resolution, milliohm measurement	10Milli-Ohm	1Milli-Ohm	10Milli-Ohm	10Milli-Ohm	1Milli-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	x	x	x
Capacitance measuring range	0,00001Mikro-Farad – 600Mikro-Farad	0,000001Mikro-Farad – 300Mikro-Farad	0,00001Mikro-Farad – 600Mikro-Farad	0,00001Mikro-Farad – 600Mikro-Farad	0,000001Mikro-Farad – 3000Mikro-Farad
Capacitance measurement ranges	60 nF 600 nF 6 �F 60 �F 600µF	3 nF 30 nF 300 nF 3 µF 30 µF 300 µF 3 mF	60 nF 600 nF 6 �F 60 �F 600µF	60 nF 600 nF 6 �F 60 �F 600µF	3 nF 30 nF 300 nF 3 µF 30 µF 300 µF 3 mF
Max. capacitance measuring range	600Mikro-Farad	3000Mikro-Farad	600Mikro-Farad	600Mikro-Farad	3000Mikro-Farad
Lowest resolution, capacitance	0.00001 µF	Other	0.00001 µF	0.00001 µF	Other
Cable length measurement
Cable symmetry testing for two wire connections a-b-E
Frequency measurement
Frequency measurement	x	x	x	x	x
Measuring range for frequency	0,00001kiloHertz – 300kiloHertz	0,000001kiloHertz – 1000kiloHertz	0,00001kiloHertz – 1000kiloHertz	0,00001kiloHertz – 1000kiloHertz	0,000001kiloHertz – 1000kiloHertz
Max. frequency measuring range	300kiloHertz	1000kiloHertz	1000kiloHertz	1000kiloHertz	1000kiloHertz
Lowest resolution, frequency	0.01 Hz	0.001 Hz	0.01 Hz	0.01 Hz	0.001 Hz
Temperature measurement
Temperature measurement	x	x	x	x	x
Temperature measurement TC	x	x	x	x	x
Temperature measuring range TC	-250Degrees celsius – 1372Degrees celsius	-270Degrees celsius – 1372Degrees celsius	-250Degrees celsius – 1372Degrees celsius	-250Degrees celsius – 1372Degrees celsius	-270Degrees celsius – 1372Degrees celsius
Temperature measurement RTD	x	x	x	x	x
Temperature measuring range RTD	-200Degrees celsius – 850Degrees celsius	-200Degrees celsius – 850Degrees celsius	-200Degrees celsius – 850Degrees celsius	-200Degrees celsius – 850Degrees celsius	-200Degrees celsius – 850Degrees celsius
Max. temperature measuring range	1372Degrees celsius	1372Degrees celsius	1372Degrees celsius	1372Degrees celsius	1372Degrees celsius
Lowest resolution temperature	0.1 °C	0.1 °C	0.1 °C	0.1 °C	0.1 °C
Interface and memory
Interface	x	x	x	x	x
Bluetooth interface		x
IR interface	x	x	x	x	x
Measured value memory		x	x	x	x
Miscellaneous
Power supply unit socket		x	x	x	x
Memory capacity for measured values			61000	61000	300000