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Internal Clock
Time format DD.MM.YYYY hh:mm:ss
Resolution 0.1 s
Accuracy ±1 min. per month
Temperature Influence 50 ppm/K
Reference Conditions
Ambient temperature +23 °C ±2 K
Relative humidity 40 ... 75%
Measured qty. frequency 45 ... 65 Hz
Measured qty. waveshape Sine
Battery voltage 3 V ±0.1 V
Data Interface (METRAHIT | X-TRA | OUTDOOR only)
Type Optical via infrared light through the housing
Data transmission Serial, bidirectional (not IrDa compatible)
Protocol Device specific
Baud rate 38,400 baud
Functions – Select/query measuring functions
and parameters
– Query momentary measurement data
– Read out stored measurement data
The USB | X-TRA plug-in interface adapter is
used for adaptation to the PC’s USB port.
Internal Measured Value Storage
(METRAHIT | X-TRA | OUTDOOR only)
Memory capacity 4 MBit / 540 kB for approx. 15,400
measured values with date and time stamp
Power Supply
Battery 2 ea. 1.5 V mignon cell (2 ea. size AA),
alkaline manganese per IEC LR6
(2 ea. 1.2 V NiMH rechargeable battery
also possible)
Service life with alkaline manganese: approx. 200 hours
Battery test Battery capacity display with battery
symbol in 4 segments: .
Querying of momentary battery voltage via
menu function.
Power OFF function Multimeter is switched off automatically:
– If battery voltage drops to below prox. 1.8 V
– If none of the keys or the rotary switch
are activated for an adjustable duration
of 10 to 59 minutes, and the multimeter
is not in the continuous operation mode
Power pack socket (METRAHIT | X-TRA | OUTDOOR only)
If the NA | X-TRA power pack has been
plugged into the instrument, the batteries
are disconnected automatically.
Rechargeable batteries can only be
recharged externally.
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
on the selected parameter setting
Scaling With 4 division lines each, 1 bar/pointer corresponds
to 500 digits at the digital display
Polarity display With automatic switching
Overflow display With the symbol
Measuring rate 40 measurements per second and display
refresh
Digital
Display / char. height 7-segment characters / 15 mm
Number of places 4½ place 11,999 steps
Overflow display “OL” is displayed for ≥12,000 digits
Polarity display “–” (minus sign) is displayed
if plus pole is connected to “ l ”
Measuring rate 10 and 40 measurements per second with
the Min-Max function except for the
capacitance, frequency and duty cycle
measuring functions
Refresh rate 2 times per sec., every 500 ms
Fuse FF (UR) 10 A/1000 V AC/DC;
10 mm x 38 mm,
Switching capacity: 30 kA at 1000 V AC/
DC, protects the current measurement
input in the 100 μA through 10 A ranges
Fuse for METRAHIT | X-TRA | OUTDOOR | TECH | PRO
Fuse FF (UR) 10 A/1000 V AC/DC;
10 mm x 38 mm,
Switching capacity: 30 kA at 1000 V AC/
DC, protects the current measurement
input in the 100 μA through 10 A ranges
Electrical Safety
Per IEC 61010-1:2010/VDE 0411-1:2011
Safety class II
Measuring category III IV
Operating voltage 1000 V 600 V
Fouling factor 2
Test voltage 6.7 kV~
Electromagnetic Compatibility (EMC)
Interference emission EN 61326-1: 2006, class B
Interference immunity EN 61326-1: 2006
EN 61326-2-1: 2006
Ambient Conditions
Accuracy range 0 °C ... +40 °C
Operating temp. range TA -10 °C ... +50 °C
Storage temp. range -25 °C ... +70 °C (without batteries)
Relative humidity 40 ... .75%, no condensation allowed
only METRAHIT | OUTDOOR: max. 96%
Elevation To 2000 m
Deployment Indoors, except within specified ambient
conditions
Mechanical Design
Housing Impact resistant plastic (ABS)
Dimensions 200 x 87 x 45 mm
(without protective rubber cover)
Weight Approx. 0.35 kg with batteries
Protection Housing: IP 52 (pressure equalization by
means of the housing)
Extra for METRAHIT | OUTDOOR:
Housing: IP 65
The multimeter is suitable for universal use in electrical engineering, electrical installation, laboratory applications, telecommunication, training etc.
Thanks to the low-pass filter and low input resistance, it’s especially well suited for measurements at frequency converters.
The instrument can be used in the field and is equipped with an internal, mains-independent power supply