• Auto balancing bridge method with widest impedance range
• 4-terminal pair configuration
• Basic accuracy: 0.05 % (ST2828A: 0.1 %)
• Testfrequency: 1 Mhz
• AC test signal programmable to 20 V (optional)
• Measurement speed up to 30 meas/sec.
• 6-digit display resolution
• 22 parameter combinations available
• Output impedance: 30Ω and 100Ω selectable
• 10 point list sweep function
• Sweep analysis function with 960 points (ST2828S)
• Internal DC bias source ± 40V/100mA (optional)
• External DC bias 40A (optional)
• Automatic level control function (ALC)
• Test signal level monitor function
• 20 control settings files can be saved in internal memory
• Built-in comparator: 10 bins and bin counters
• RS232C, Handler, GPIB (option)
• 2m / 4m cable length extension
• USB interface for external memory of set data
• 320 x 240 dot matrix large-graphic LCD display

Specifications 

Measurement functions

• Test parameter: |Z|, |Y|, C, L, X, B, R, G, D, Q, θ, ESR, Rp (equivalent parallel resistance)
• 22 parameter combinations available
• Equivalents circuit: series, parallel
• Math function: deviation and percent deviation
• Range mode: auto, hold, manual
• Range subsection (9 sects: 10Ω, 30Ω, 100Ω, 300Ω, 1kΩ, 3kΩ, 30kΩ, 100kΩ
• Trigger Mode: internal, manual, external, BUS
• Measuring time (≥1kHz.): fast 32ms (25ms/ 1 Mhz),  med 90ms, slow 650ms
• Average rate: 1-255
• Delay time: 0 - 60 s, with step of 1 ms
• Calibration function: Open/Short frequency pint, full frequency correction, load correction
• Measurement terminal: 4 terminal pair
• Test cable length: Standard (0m, 1m), Option (2m, 4m)
• Display mode: direct, ∆, ∆%, bin No, bin counter, list sweep, V/I (voltage/current monitor)
• Display: 320 x 204 dot-matrix graphic LCD display

Test signal

• Frequency:
  ST2828A: 50 Hz - 1 MHz, 44 points selectable
  50Hz, 60Hz, 80Hz, 100Hz, 120Hz, 150Hz, 200Hz, 250Hz, 300Hz, 400Hz, 500Hz, 600Hz, 800Hz, 1kHz, 1.2kHz, 1.5kHz, 2kHz, 2.5kHz, 3kHz, 4kHz, 5kHz, 6kHz, 8kHz, 10kHz, 12kHz, 15kHz, 20kHz, 25kHz, 30kHz, 40kHz, 50kHz, 60kHz, 80kHz, 100kHz, 120kHz, 150kHz, 200kHz, 250kHz, 300kHz, 400kHz, 500kHz, 600kHz, 800kHz
  ST2828: 20 Hz - 1 MHz, 6000 points selectable
  ST2828S: 20 Hz - 1 MHz, free programmable (resolution: 1mHz)

• Basic accuracy: ± 0.05 %(ST2828 / ST2828S), 0.1 % (ST2828A)
  
• Test level range: regular 5 mV to 2 V, Turn-ratio: 5 mV to 4 V (accuracy: 5%, resolution: 1mV) 
• Output impedance: 30 Ω and 100 Ωselectable

Measurement signal mode

• Normal: voltage or current program selectable at the measurement terminals when they are opened or shorted, respectively
• Constant level: Maintain selected voltage or current value at the DUT independent of component impedance change
  

AC measurement level signal

• Standard:
  Normal V:  5mVrms - 2Vrms  /  Normal I:  50μArms - 20mArms
  Constant level V:  10mVrms - 1Vrms  /  Constant level I:  100μArms - 10mArms
• Option ST10301:
  Normal V:  5mVrms - 20Vrms  /  Normal I:  50μArms - 200mArms
  Constant V:   10mVrms - 10Vrms  /  Constant I:  100μArms - 100mArms

DC bias

• Standard: 0V, 1.5V, 2V DC
• ST10301 (option):
  ±0.000 - 4.000 VDC, 1mV resolution
  ±4.002 - 8.000 VDC, 2mV resolution
  ±8.005 - 20.000 VDC, 5mV resolution

Other functions

• List sweep function: 10 frequency or test signal level points can be swept. Single or continuous test mode can be performed. When Option 001 is installed, DC bias level points can also be swept.
  
• Comparator: 10-bin sorting and bin counter for measurement parameters, IN/OUT judgement for sub parameters
• Bin counter: 0 - 999999
• List sweep comparator: HIGH/IN/OUT decision output for each point in the list sweep table
• Input protection: internal circuit protection, when a charged capacitor is connected to the unknown terminals. The maximum capacitor voltage can be calculated: Vmax = 1/√C where: Vmax ≤ 200V C is in Farads
• Memory: 20  instrument setting files can be stored/loaded from the internal non-volatile memory. 40 additional setting files can also be stored/loaded from USB disk (only ST2828)
  
• GPIB, RS232C: All instrument control settings, measured values, comparator limits and list sweep tables can communicate with computer or other instruments through GPIB (optional for ST2828A) or RS232C.

General Specifications

• Dimensions: 430 (Width) x 185 (Height) x 490 (Depth) mm
• Weight: 15 kg
• Power: 115 / 230 V ± 10 %, 50/60 Hz
• Power consumption: ≤ 100 VA
  
• Temperature / Humidity: 0°C - 40°C, ≤ 90% RH
• Ambient Temperature: 23°C ± 5°C
• Warm up Time  ≥ 30 minutes
• CE conformity, according EN 50 19

Standard accessories (inclusive)

• 4 terminal Kelvin test clip leads 
• 4-terminal-test-fixture
• Gilded shorting plate
• GPIB interface board (only ST2828S)
• USB interface board (only ST2828S)
• 32 MB USB disk (only ST2828S)
• Power cord
• Operation manual ST2828 LCR Meter
• Certificate of calibration

Options

• ST26001A - 4-terminal-test-fixture

• ST26008 SMD test fixture
• Power amplifier / DC Bias: Increasing AC test signal up to 20 Vrms/0.2 Arms, extend bias voltage up to ±40V DC
  
• 2m / 4m cable length operation, extended test cable, adds 2m and 4m cable length operation (only ST2828)
• GPIB interface board and cable
• Handler/scanner interface board (nine pairs of high/low limits can be input providing 10-bin sorting for L/C/Z. The handler interface provides the interface with an automatic component sorting machine. All signals are optically isolated.
  
• ST2828 RS232C control software

  Download LCR Meter user manual ST2828 (PDF 1.100 kB)