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Discontinued Products


Some of our products have been phased out. We will continue to keep these information updated. If you are still interested in some of these discontinued products, please find the corresponding replacement models below. Thanks for your understanding.

  • 200MHz/100MHz/70MHz Bandwidth Range
  • 1GSa/s Real-time Sampling Rate and 25k Points Memory Depth
  • 25GSa/s Equivalent Time Sampling Rate
  • 2mV /div to 5V/div of Vertical Range
  • 1ns/div to 10s/div of Time Base Range
  • 5.7 inch TFT LCD Display
  • Data Log
  • USB Host: Flash drive storage and PictBridge-compatible printer
  • USB Device: PC remote control
  • USB Device: PC remote control
  • 27 Automatic Measurement Functions offer Direct Measurement Readings
  • FFT and FFTrms Computing Provides the Frequency Domain Analysis
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  • USB 2.0 Supported(1.1 Compatible)
  • File Export : Signal Data, Operation Setting and Display Image
  • 32/16 Input Channel
  • Time Analysis : Up to 200MHz Internal Sampling Rate
  • State Analysis : Up to 100MHz External Input Clock
  • Memory Depth : Up to 2Mbits/1Mbits (Half/Full Channels)
  • Enable Qualifier : High/Low Level Enable and Enable Delay Function
  • Signal Analyzer : I2C, RS-232C Protocol Analyzer and Signal Statistics

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Spectrum Analyzers, Signal Sources
  • Frequency Range : 0.2Hz ~ 2MHz
  • Waveform : Sine, Triangle, Square, TTL Pulse
  • Variable DC Offset Control
  • Output Overload Protection
  • VCF Input Function
  • 1000 : 1 Tuning Range
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  • 1Hz Resolution Marker Counter
  • AM/FM Demodulation Analysis
  • 886MHz IF Output for User’s Extended Applications
  • Various Interface: USB Host/Device, RS-232, LXI, Micro SD, GPIB (Optional)
  • Frequency Range: 9kHz ~ 3GHz
  • High Frequency Stability: 25ppb (0.025ppm)
  • RBW: 10Hz ~ 10kHz in 1-3 steps, 10kHz ~ 1MHz in 10% adjustable steps
  • Phase Noise: -88dBc/Hz @1GHz, 10kHz Offset
  • Built-in Measurement Functions: Channel Power, N-dB bandwidth, OCBW, ACPR, SEM, TOI, CNR, CTB, CSO
  • Built-in Spectrogram and Topographic Display Modes
  • Gate Sweep Function
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Digital Meters, LCR Meters
  • GDM-8251A 120,000 Counts Display
  • VFD Two Colors Display
  • 0.012% DCV Accuracy
  • True RMS (AC, AC+DC)
  • 9 Major Measuring Functions and 10 Advanced Measurement Functions
  • 2W/4W Resistance Measurement
  • High Voltage 1000V and 10A Current Range
  • Standard Interface: RS-232C, USB Device, Digital I/O
  • Free PC Software (DMM-VIEWER), LabVIEW Driver

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  • 20A Current Range With High Energy Fuse Protection
  • Auto-Recall Settings upon Power ON
  • AC True RMS or AC + DC True RMS
  • 50000 Counts Display
  • Multi-Function ACV,DCV,ACA,DCA,R,C,Hz,Continuity Beeper,Diode Test,Max/Min,REL,Auto Hold,dBm
  • Compare Function
  • Dual Display Indicate ACV and Hz,DCV(ACV) and dBm
  • DCV and ACV Ripple
  • Manual or Auto Ranging
  • 0.02% DCV Accuracy
  • ACV Measuring Frequency Up to 100kHz
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GCM-302 & GCM-303
  • Auto Range
  • Auto Power Off
  • Max Hold
  • True RMS Measurement (GCM303)
  • 600A/600V Max Input
  • Mini Size
  • High Accuracy
  • MAX Clamp Size: 30mm
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  • Vast Measuring Function : AC/ DC Voltage, AC/DC Current, Resistance and Diode Test
  • Large 0.5" Red LED Display
  • High Resolution 10μV, 10nA and 10mΩ
  • All Range with Protection Circuit
  • 0.03% DCV Accuracy
  • Auto Zero Circuit
  • 20A High Current Range
  • 1000V High Voltage Range
  • AC or AC + DC True R.M.S.
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