Product Family
SMART TWEEZERS Bluetooth
Testing surface-mounted components
Surface-mounted components are typically tiny and without wire leads, making it more difficult to test and identify SMDs than traditional components. Smart Tweezers™ provides users with an easy way to sort and evaluate loose components and perform measurements and troubleshooting on the board. Precise test leads reliably contact even the smallest SMD components and take measurements of already assembled components. The probe can also be used to test conventional components with wire leads that are too short to be inserted into the test terminals.
Automated measurements
Perform measurements faster with Smart Tweezers™ by using the automatic component identification function, which eliminates unnecessary trial and error time. Smart Tweezers™ automatically specifies L, C or R in parallel and series mode and selects a suitable measurement range and test frequency for highly accurate measurements. The device displays the component type and a more detailed component analysis such as Z and ESR.
Wide range of additional functions
- Smart Tweezers™ LCR meter allows you to test various component types, including secondary components such as damping factor (D) and quality factor (Q). This handheld device also includes other features that lead to more detailed component analysis.
- The built-in Equivalent Series Resistance (ESR) mode helps you understand the inherent resistance behavior typically found in capacitors at selected frequencies.
- In diode mode, Smart Tweezers™ tests the polarity of diodes and indicates whether they are shorted.
- Smart Tweezers™ has a continuity detector. A variable beep sounds for resistance measurements below set thresholds. This function also helps to locate shorted conductors (e.g. on a circuit board).
- In manual modes, Smart Tweezers™ measures a specific circuit parameter - L, C, R, Z or ESR. Manual modes also improve component identification for in-circuit testing.
- Variable test signal output from 0.41 to 0.91 Vrms enables improved test accuracy in various situations, e.g. in-circuit measurements and loose ceramic capacitors with wire leads.
- Visible and audible tolerance mode enables sorting of components.
- The mathematical zero function enables a pre-measured offset to be saved and improves measurement accuracy
Measuring ranges of the Smart Tweezer Bluetooth
Test frequency: 1 kHz, 10 kHz, 120 Hz, 100 Hz
Test frequency accuracy: 50 PPM (0.005%)
Test signal level: 0.41/0.91 +/- 10% Vrms sine wave
Source impedance: 100Ω +/- 1%
Resistance R: 0.05 Ω to 9.9 MΩ
Capacitance C: 0.5 pF to 4999 μF
Inductance L: 0.5 μH to 999 mH
Quality factor Q: 0.001 to 1000
Attenuation factor D: 0.001 to 1000
Apple iOS and Google Android apps
The Smart Tweezers Bluetooth Companion iOS and Android apps allow the ST-5S-BT2 to connect directly to mobile devices and tablets without additional receivers. The apps mirror measurement data streams and offer CSV data file recording, management of recorded CSV data streams and extensive data sharing options.
With the ST-DM9, you can record data on the go and easily transfer the values to your PC via Wi-Fi and the Dropbox application. Alternatively, you can simply insert a MicroSD card.
Download the app and search for “Smart Tweezers LCR Bluetooth” in the App Store.
Technical data ST-DM9
Connectivity: Bluetooth, WiFi module
Display: 4-inch IPS display
Operating system: Android 8
Memory (built-in): 16 GB
Slot: MicroSD card
Cable: USB-C input / USB output
Battery: 3.7 V LiPo rechargeable 1800mAh
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