Smart Tweezers

  • Product No:ST5S/ST5S-BT
  • Manufacturer:Advance Devices, Inc.


Smart Tweezers™ is a handheld LCR meter of a new concept. It provides a perfect solution for testing and identification of Surface Mount Devices as well as troubleshooting of complex electronic systems.

Its unique mechanical and electronic design combines a pair of precise gold-plated tweezers and a digital LCR meter in compact, lightweight, battery powered instrument. The probe is able to measure resistance, capacitance, inductance with high accuracy and automatic component identification.

Main features

  • Built-in high-precision LCR probe

  • Convenient one-hand operation

  • Ideal for Surface Mount Devices

  • Automated component identification

  • Automated test range selection

  • Manual C, R, L, Z and ESR modes

  • Adjustable test signal levels

  • Swiss-made precise test leads

  • Diode Polarity/Short Testing

  • Secondary D, Q and ESR parameters

  • Portable and ergonomic design

  • Built-in Li-Ion battery


Smart Tweezers ST5S Bluetooth (ST5S-BT), is based on our flagship Smart Tweezers ST5S professional quality LCR meter. 

The Smart Tweezers Bluetooth model streams key measurement readings to connected devices, allowing users to track their measurement results in real time

Main features

  • Based on our flagship ST5S LCR Meter

  • Bluetooth Low Energy connectivity

  • Real Time readings streaming

  • National Instruments LabVIEW® certified integration

  • iOS and Android support

Technical Specifications

  • AC test mode Test frequency: 1 kHz, 10 kHz, 120 Hz, 100 Hz

  • Test frequency accuracy: 50 PPM (0.005%)

  • Test signal level: 0.5/1.0 +/- 5% Vrms Sine wave

  • Source impedance: 100Ω +/- 1%

Measurement Ranges

  • Resistance R: 0.05 Ω to 9.9 MΩ

  • Capacitance C: 0.5 pF to 4999 μF

  • Inductance L: 0.5 uH to 999 mH

  • Quality factor Q: 0.001 to 1000

  • Dissipation factor D: 0.001 to 1000

Physical Specifications

  • Size:15.0 x 1.8 x 1.5 cm

          (5.9 x 0.7 x 0.6 in)

  • Weight:29 grams (0.06 lb)

  • Operating temperature: 0°C to 50°C

  • Battery Type: 3.7V LiPO rechargeable 180mAH

  • Battery Life (continuous):20 hours, 3 hours charging cycle