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ZERA MT365 Portable Reference Meter

Portable light weight working standard based on newest technology in power and energy measurement

MT360&365 data sheet
Teklif İsteyin Kategoriler: ,

Açıklama

MT360

The MT365 is a portable light weight working standard based on newest technology in power and energy measurement. Various measuring features combined with a user friendly operation concept are providing the greatest possible flexibility for a comprehensive testing of metering installations in the field. Its double isolated plastic already reveals the high quality of the system. The equipment offers high functionality combined with a menu guided operation via built-in soft-keys and a colored 6.4” TFT-display.

  • Accuracy class 0.05 (MT365)
  • Easy user-guidance
  • Unique long-term and temperature stability of the measuring module
  • Current measurement up to 120 A with error compensated AC current clamps
  • Especially configured USB-stick to store measurement results and customer data
  • Windows based data management software MTVis for evaluation of the test results
  • External system control via PC with windows based control software
  • No additional error for reactive measurement
  • Long-range applications by great offering of accessories

Ürün Özellikleri

The working standard is providing the following functions:
  • Testing of electricity meter installations with 2-wire, 3-wire and 4-wire circuits
  • Testing of energy and power registers
  • Power and energy measurement of active, reactive and apparent energy
  • 4 quadrant measurement
  • Frequency-, phase angle- and power factor measurement
  • Harmonic waveform analysis for voltage and current up to the 40th THD
  • Determination of the operating burden on instrument transformer for CT and PT
  • Distortion factor measurement
  • Vector diagram display
  • Waveform sampling
  • Rotary field display
  • Ratio test by simultaneous measurement of both primary and secondary currents in CT connected metering systems
  • Selective power measurement
  • Automatic meter testing*
* optional and in combination with ZERA source.

Teknik Özellikler

GENERAL
MT360 Class 0.1MT365 Class 0.05
Power supply85 … 265 V, 47 … 63 Hz
Power consumption48 VA
Temperature range, operation-10° … + 50° C
Temperature range, storage-15° … + 65° C
Relative humidity (not condensing)max. 95 %
Dimensions (DxWxH)220 x 290 x 115 mm
Weight4.2 kg
SAFETY
MT360 Class 0.1
IP class according to DIN EN 60529IP30
Declaration of conformityCE conform
Protection class according to DIN EN 61140II
Overvoltage category voltage measurement 16)CAT III 300 V
Overvoltage category current measurementCAT III 300 V
REFERENCE METER
MT360 Class 0.1MT365 Class 0.05
Measuring modes2WA / 2WR / 2WAP3WA / 3WR / 3WAP / 3WRCA / 3WRCB4WA / 4WAb / 4WR / 4WRb / 4WAP / 4WAPb /4WRC
Fundamental frequency15 … 70 Hz
Bandwidth3000 Hz
Sampling16 bit 504 samples/period
Accuracy class for measuring of power / energy0.10.05
Angle measurement accuracy 3) 4)< 0.015°[< 0.1°]< 0.010°[< 0.1°]
Frequency measurement deviation± 0.01 Hz
Voltage Measurement
MT360 Class 0.1MT365 Class 0.05
Voltage measurement100 mV ... 300 V
Voltage range(s)250 V, 5 V
Voltage channels input impedance (@ range)245 kΩ @ 250 V10 MΩ @ 5 V
Voltage measurement accuracy 5)< 0.05 % @ 30V .. 300 V< 0.2 % @ 500 mV .. < 30 V< 1 % @ 100 mV .. < 500 mV< 0.03 % @ 30V .. 300 V< 0.2 % @ 500 mV .. < 30 V< 1 % @ 100 mV .. < 500 mV
Voltage measurement temperature drift 3)< 15 x 10 E-6 / K< 5 x 10 E-6 / K
Voltage measurement stability 1)< 50 x 10 E-6
Voltage measurement long term stability 2) 3)< 100 x 10 E-6 / Year< 80 x 10 E-6 / Year
Current measurement direct or [with MT3430]
MT360 Class 0.1MT365 Class 0.05
Current measurement1 mA ... 12 A[5 mA … 120 A]
Current range(s)10 A, 5 A, 2.5 A, 1 A, 500 mA, 250 mA, 100 mA, 50 mA [100 A, 50 A, 10 A, 5 A, 1 A, 500 mA, 100 mA, 50 mA]
Usage of ranges10 ... 120 %
Current channels input impedance (@ range)~ 40 mΩ @ 50 mA .. 10 A
Current measurement accuracy 5)< 0.05 % @ 10 mA ... 12 A< 0.20 % @ 5 mA ... < 10 mA[< 0.15 % @ 500 mA … 120 A][< 0.3 % @ 100 mA … < 500 mA]< 0.03 % @ 10 mA ... 12 A< 0.2 % @ 5 mA ... < 10 mA[< 0.15 % @ 500 mA … 120 A][< 0.3 % @ 100 mA … < 500 mA]
Current measurement temperature drift 4)< 15 x 10 E-6 / K[< 50 x 10 E-6 / K]< 5 x 10 E-6 / K[< 50 x 10 E-6 / K]
Current measurement stability 1)< 100 x 10 E-6 / Year[< 600 x 10 E-6] / Year< 80 x 10 E-6 / Year[< 600 x 10 E-6] / Year
Current measurement long term stability 2) 4)< 80 x 10 E-6 / Year< 600 x 10 E-6 / Year
Clamp for max. Ø[12 mm]
Power Measurement direct or [with MT3430]
MT360 Class 0.1MT365 Class 0.05
Power/energy measurement accuracy 3) 5) 6)< 0.1 % @ 10 mA … 12 A[< 0.2 % @ 500 mA … 120 A]< 0.05 % @ 10 mA … 12 A[< 0.2 % @ 500 mA … 120 A]
Power/energy measurement temperature drift 3) 4)< 30 x 10 E-6 / K[< 65 x 10 E-6]< 10 x 10 E-6 / K[< 65 x 10 E-6]
Power/energy measurement stability 1)< 100 x 10 E-6[< 200 x 10 E-6]
Power/energy measurement long term stability 2)< 150 x 10 E-6 / Year< 700 x 10 E-6 / Year< 100 x 10 E-6 / Year
  • 1: Stability over 1 hour (every minute one measurement with ti = 60 s)
  • 2: Stability over 1 year (every month one measurement over one hour )
  • 3: From 30 V … 300 V
  • 4: From 10 mA … 12 A [ 500 mA … 120 A]
  • 5: Related to the read value at optimum range selection
  • 6: Related of apparent power
  • [ ] ≙ with AC current clamps MT3430
  • 16: Option CAT IV 300 V
Subjects to alteration.

Aksesuarlar

  • Cable set / Quick connecting cable set
  • Photo electric scanning head / Pulse converter
  • Error compensated current clamps for 120 A measurement
  • AC current clamps for 1000 A measurement

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