Stanford SR720 LCR Meter

multi-frequency passive components measuring instrument

Distributed only in Germany
This is a discontinued product
More Information? Please contact us.
  • Overview

Key Facts

The SR715/720 LCR Meters are multi-frequency impedance measuring instruments capable of measuring resistance, capacitance or inductance over a range of more than 13 orders of magnitude.

Features Collapsed

  • 0.05% basic accuracy (SR720), 0.2% (SR715), (see graphs in Data sheet for important details!)
  • Five digit display of L, C, R and Q or D
  • Test frequencies to 100 kHz
  • Up to 20 measurements per second

Specifications

Measurement modes Auto, R+Q, L+Q, C+D, C+R
Equivalent circuit Series or Parallel

Key Facts

The SR715/720 LCR Meters are multi-frequency impedance measuring instruments capable of measuring resistance, capacitance or inductance over a range of more than 13 orders of magnitude. The SR720 has a basic accuracy of 0.05% and has 5 test frequencies. The SR715 has a basic accuracy of 0.2% and 4 test frequencies. The built-in Kelvin fixture includes adapters for axial as well as radial components. Options include GPIB/Handler Interface, SMD tweezers, Kelvin clips, and a 4 wire breakout box. The flexibility and accuracy of the SR715/720 make them widely accepted in high accuracy measurements for a variety of applications such as incoming inspection, quality control, automated test, and general benchtop use.

Sales region only Germany

For Stanford power supplies please see PS310, PS325, PS350.

Features & Benefits

  • 0.05% basic accuracy (SR720), 0.2% (SR715), (see graphs in Data sheet for important details!)
  • Five digit display of L, C, R and Q or D
  • Test frequencies to 100 kHz
  • Up to 20 measurements per second
  • Binning and limits for part sorting
  • Standard RS-232 interface
  • External capacitor bias up to 40 V
  • Optional GPIB and handler interface

Specifications

Measurement modes Auto, R+Q, L+Q, C+D, C+R
Equivalent circuit Series or Parallel
Parameters displayed Value, Deviation, % Deviation or Bin Number.
Deviation and % Deviation are calculated relative to a stored value.
Averaging 2 to 10 Measurements
Display Range
R+Q
R 0.0001 Ohm - 2000 MOhm
Q 0.00001 - 50
L+Q
L 0.0001mH - 99999H
Q 0.00001 - 50
C+D
C 0.0001 pF - 99999mF
D 0.00001 - 10
C+R
C 0.0001pF - 99999mF
R 0.00001Ohm - 99999kOhm
Test conditions
Test frequency Fixed frequencies at 100Hz, 120Hz,1kHz, 10kHz (SR715 and SR720) 100kHz (SR720 only).
Frequency accuracy ±100ppm.
Drive voltage Preset levels: 0.10, 0.25, and 1.0Vrms.
Vernier: 0.1 to 1.0Vrms with 50mV resolution.
Drive levels accurarcy ±2%.
Measurement rate Slow, Medium, Fast: 2, 10, or 20 measurements per second at test frequencies of 1 kHz and above and about 0.6, 2. 4, or 6 measurements per second at 100 Hz and 120 Hz.
Ranging Auto or Manual
Triggering Continuous, Manual, or Remote over RS-232, GPIB or Handler Interface
Bias voltage Internal: 2.0 VDC ±2 %, external: 0 to +40 VDC, fused @ 250 mA
Accuracy
Basic accuracy SR715: 0.20 %, SR720: 0.05 % (see graphs in datasheet for important details!)
Features
Fixture 4-Wire Kelvin fixture for radial leaded parts with adapters for axial leaded parts.
Protection Protected up to 1 Joule of stored energy (for charged capacitors). Fused at 0.25 A output current for biased measurement.
Zeroing Open and short circuit compensation.
Compensation limits Short: R <20 Ohm, Z <50 Ohm, Open: Z >10 kOhm
Binning Up to 8 pass bins, QDR and general fail bins, defined from the front panel or over the computer interfaces. Binning setup may be stored in non-volatile memory.
Store and recall Stores 9 Complete Instrument Setups.
RS-232 interface All instrument functions can be controlled or read over the interface.
GPIB and handler IEEE-488 interface optional, Handler interface is a 25 pin connector, positive logic for binning and control
General
Operating conditions 0 to 50 °C, <85 % relative humidity.
Power 20 Watts, 100/120/220/240 VAC, 50 or 60 Hz.
Dimensions 13.5 " W x 14 " L x 4 " H
Weight 10 lbs
Warranty One year parts and labor on any defects in material or workmanship.
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