Digital Power Meter ST3321

Ordernr. 64063
EAN 4260689520022
Excl. 0% VAT
Incl. 0% VAT
Goods expected soon

Frequently Bought Together

  1. ST3321
  2. +
  3. TT901.1 Mounting Frame
Total price: £0.00

Technical Service
+49 421 277 9999


  • Voltagerange: 5V-75V / 150V / 300V / 600V
  • Powerrange: 0.01mW - 1.2kW,6 - class energy efficiency
  • Currentrange: 1mA / 3mA / 10mA / 40mA / 150mA / 500mA / 2A
  • Frequencyrange: DC / 45Hz-400Hz
  • 24-bit color 4.3-inch 480 x 272 color LCD screen, English and Chinese interface
  • PLL (phase-locked loop) technology, faster measurement speed
  • AC and DC test
  • Input signal waveform display: Voltage and current can be displayed simultaneously or separately
  • Higher measurement accuracy and faster data update rate
  • Higher frequency test range and wider frequency response
  • Multiple harmonic analysis display modes: List mode,Histogram
  • Data Record Function


  • Power efficiency testing of appliances like TV, refrigerator, air conditioner, washing machines, vacuum cleaners, water heaters and other
  • Industry: Electric machinery, motor, transformer, charger, power and other power test
  • Lighting: Lighting appliances, LED lamps and other power test
  • New energy: Photovoltaic modules, electric vehicles, wind power and other power test


  • Standard: RS232, USB Host, USB Device, Handler
  • Option: RS485

Dimensions and weight

  • Rack mount (WxHxD): 215mm, 88mm, 335mm
  • Dimensions (WxHxD): 235mm, 105mm, 360mm
  • Net weight: 3.6kg

What's in the box

  • Factory calibration certificate
  • Power cord






Display 4.3-ich color TFT display
Connection mode Single phase
Basic features AC
Micro current x x x
Wide current x x x
Harmonic Analysis x
Power test
Display mode Data
Harmonic histogram x
Basic accuracy 0.15% reading + 0.2% range +1 digit
Voltage Range 5V-75V/150V/300V/600V
Resolution 0.01V
Current Range






Minimum resolution 1mA 1uA 1mA
Power Range 0.01W - 12kW 0.01mW-1.2kW,6-class energy efficiency 0.01W-24kW
Minimum resolution 0.01W 0.001mW 0.01W
Frequency Range Fundamental frequency range :DC/45Hz-400Hz, Bandwidth: 21kHz, filter 5kHz Minimum resolution
Minimum resolution 0.01Hz
Power factor Range 0.001 - 1.000
Minimum resolution 0.001
Harmonic Analysis - - -  +- (5% of reading + 0.3% of range)
Power integral Range 0 - 99999kWh
Resolution 0.001Wh
Accuracy +- (0.2% of reading + 0.3% of range)
Power timing Range 0 - 99999kWh
Resolution 0.001Wh
Accuracy +- (0.2% of reading + 0.3% of range)
Measurement speed 3 times / sec, DC: 3 times / sec, harmonic function on: 2 times / sec
Lock function Data lock
Range mode AUTO / MAN
Input impedance >= 1MOhm (all voltage profiles
Comparator limit sound, light alarm
Output Relay output
Communication Interface RS232C / RS485, USB Device, USB Host, Handler
Storage USB waveforms, set files