Hanheld DSO Protek 820

Handheld Digital MultiMeter Protek 820 : 20MHz bandwidth, Built in High accuracy 6000 count True RMS DMM, 200MS/s, 20 automatic waveform Measurements.

Please preference Specification and Pricelist


  • 20MHz bandwidth
  • Built in High accuracy 6000 count True RMS DMM
  • 200MS/s
  • 20 automatic waveform Measurements
  • Self test and Self calibration
  • Help menu
  • 125KB record length for each channel
  • 10 waveforms and setups may be stored and recalled
  • USB port,Software and cable included
  • High Resolution 320x 240 pixel Monochrome LCD
  • Edge/Pulse width, TV/Pattern and Delay trigger modes


No. Inputs 2
Analog Bandwidth 20MHz
Rise Time < 17.5ns
Sensitivity 5mV to100V/div (in a 1,2,5 sequence)
Resolution 8 bit
Offset ±5 div from the center
Vertical Accuracy ±3 %
Input Impedance 1MW ±1%
20pF ±1.3pF
Max. Input Voltage 300V DC or AC peak
Probe Attenuation x1 and x10
Sweep Rate 50ns/Div to 50s/Div
Time Base Accuracy ±0.01%
Acquisition System
Acquisition Modes Sample, Peak detect, Envelope, Average
Sample Rate 200Ms/S
Sample Rate Accuracy 100ppm
Record Length 125KB/Channel
Waveform Interpolation Dot, Linear, Sine, and Pulse
Peak Detect 10ns minimum
Averages 2 to 256
Sensitivity 0.5 Div (DC to 5MHz)
Trigger Types Edge, Pulse width, Video
Coupling AC, DC HF-Reject, LF-Reject, Noise Reject
Modes Normal, Single, Roll, Auto
Trigger Level Range ±20 Div from the center of the screen
Trigger Level Accuracy ±0.4 Div
Trigger Source CHA and CHB
Video Trigger
Video Trigger sensitivity 0.7 Div
Video Type NTSC, PAL, Secam
Types P-P, Max, Amplitude, Top, Base, Pos/Neg over shoot, Pre-shoot, RMS, Mean, One cycle mean, Freq., Period, ±Width, ±Duty cycle, Rise/Fall time, Delay and Phase shift
Cursors DV, DT
Weighting Rectangular, Hamming, Hanning and Blackman-Harris
Amplitude Display 1, 2, 5, 10dB/Div
Maximum Frequency 1.25GHz
Memory 10 waveforms and settings saved and recalled
DC Volts
Range 600mV to 1000V
Accuracy ±(0.3% + 10d)
Best Resolution 100µV
Impedance 10MW
Overload protection 1000VDC or AC peak
AC Volts
Range 6V to 600V
Accuracy ±(0.75% + 10d) 50Hz to 1KHz
±(2.0% + 10d) 1KHz to 30KHz
Best Resolution 1mV
Impedance 10MW
Overload protection 1000VDC or AC peak
Range 600W to 60MW
Accuracy ±(0.5% + 10d)
Best Resolution 100mW
Overload Protection 250V DC or AC peak
Range 60nF to 300µF
Accuracy ±(2.0% + 10d)
Other measurements
Diode Test Accuracy ±2%
Continuity Buzzer will sound < 60W
dBm with reference impedances of 2, 4, 8, 16, 50, 75, 93, 110, 125, 135, 150, 300, 600, 900, 1K or 1.2KW
High Current To 600A with external current Clamp
Temperature (with Probe) To 600ºC (1112ºF)
General Specifications
Size 8.3" (H) x 4.2" (W) x 2.2" (D)
Weight 2.6 lbs
Power 9VDC @ 1A AC/DC adapter, 7.2V NIMH rechargeable battery pack
Standard accessories AC/DC adapter, Battery Pack, User's manual, Scope probe (2), Holster, Test Leads,USB cable and software.
Optional accessories Clamp-on current probe, Carrying Bag