The Keysight U1782B is an SMD tweezer accessory designed for direct measurement of surface-mount components using the Keysight U1700 Series handheld LCR meters. This tool enables engineers and technicians to perform rapid component verification, troubleshooting, and in-circuit quality control without removing devices from assemblies. The 815 mm shielded rigid cable design provides measurement stability across a broad frequency range, while dedicated guard terminal connections minimize capacitive coupling and noise for accurate impedance characterization.
– Technical Specifications
Electrical Performance (23 °C ± 5 °C, <75% RH)
Capacitance (Cp, tweezers open): <0.7 pF across 100 Hz, 120 Hz, 1 kHz, 10 kHz, and 100 kHz
Resistance (Rs, tweezers short): <0.5 Ω across 100 Hz, 120 Hz, 1 kHz, 10 kHz, and 100 kHz
Inductance (Ls, tweezers short): <1.2 µH across 100 Hz, 120 Hz, 1 kHz, 10 kHz, and 100 kHz
Open/short calibration on the LCR meter is required before measurement.
Environmental Ratings
Operating temperature: -10 °C to 55 °C
Storage temperature: -30 °C to 70 °C
Relative humidity: 80% maximum
Altitude: Up to 2000 m
Indoor use only.
– Key Features
• Shielded rigid cable construction ensures signal integrity and measurement repeatability
• Guard terminal connection reduces noise immunity and parasitic effects
• Three-point connectivity uses HI-SENSE, LO-SENSE, and GUARD terminals for enhanced accuracy
• Polarity-sensitive base orientation aligns with meter configuration
• Supports capacitance, inductance, and resistance characterization of SMD parts
– Typical Applications
In-circuit component verification on populated PCBs. High-frequency impedance measurement at 100 kHz. Quality control inspection of surface-mount capacitors, inductors, and resistive networks. Troubleshooting of compact electronic assemblies without desoldering.
– Compatibility & Integration
Works with Keysight U1731C, U1732C, and U1733C handheld LCR meters. Cable length 815 mm (32 inches) accommodates benchtop and field measurement environments.
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