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Multimètre RMS numérique à calibrage automatique

Multimètre RMS numérique à calibrage automatique

Modèle :

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  • THD @ 50/60 Hz mode displays Total Harmonic Distortion as percent of total RMS value (AC volts or current)
  • True RMS on AC voltage and current ranges
  • Capacitance or Duty Cycle models include AC/DC voltage and current, frequency, temperature measurements plus continuity beeper and diode test
  • Auto or manual ranging
  • GO NO-GO programming of reference test points
  • Record, Offset and Relative mode
  • Large 3999 count backlit display with 41 segment bar graph
  • 600V high energy fuse on all current ranges
  • Mechanical Safety shutter protection for current terminals
  • Designed to meet UL 1244 and IEC 1010
  • Min/Max & Average readings
  • Auto off with disable capability
  • Auto Hold function freezes reading when stable
  • Complete with test leads, 9V battery, protective holster & K temperature probe.


  Range Max. Resolution Basic accuracy
AC voltage 4V, 40V, 400V, 750V 1mV ±(0.75%+3d) 45-1KHz
DC voltage 400mV, 4V, 40V, 400V, 1000V 100µV ±(0.3%+2d)
AC current 400µA, 4000µA, 40mA, 400mA, 4A, 10A 0.1µA ±(1%+5d) 5-1KHz
DC current 400µA, 4000µA, 40mA, 400mA, 4A, 10A 0.1µA ±(0.5%+1d)
Resistance (ohms) 400, 4K, 40K, 400K, 4M, 40M 0.1 ohms ±(0.5%+10d)
Capacitance (380289) 1µF, 10µF, 100µF, 1000µF 0.001µF ±(1.9%+2d)
Duty Cycle (380288) 0-100% (1.5Hz to 20KHz) 1% ±(0.2% per KHz+0.1%)
Frequency 0.5Hz to > 200KHz 0.01Hz ±(0.05%+2d)
Temperature -40 to 2498°F (-40 to 1370°C) ±(1%+1.8°F)
THD (50/60Hz) 0.0 to 99.9% 0.1% Voltage & current ±(2%+2d)
Continuity Open circuit <1.2V, threshold <100 ohms
Diode check Open circuit <3V, Max test current 2.5mA
Dimensions/weight 1.6x3.3x7.5" (40x85x190mm) / 13.4oz (380g)


Cat. No. Description
EX380288-0 3-3/4 Digit Trms THD multimeter with Duty Cycle
EX380288-N Certificate of traceability to NIST for 380288
EX380289-0 3-3/4 Digit Trms THD Mtultimeter with Capacitance
EX380289-N Certificated of Traceability to NIST for 380289
EX380298-0 Data Acquisition Software and serial cable for 380288/9
EX409997-0 Vinyl Pouch Carrying Case


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