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TP-KV-001
Kelvin Probe
Kelvin Probe
Kelvin four-wire probe for precise low-resistance measurements.
Key Features
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Precision machining to ±0.01mm
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Imported spring rated above 1M cycles
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Low-resistance plated surface finish
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Standardized design and rapid delivery
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Custom structure and dimensions supported
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RoHS compliant material system
Technical Parameters
Basic Parameters
Model No.TP-KV-001
Overall length18.50mm (±0.05mm)
Working stroke1.50mm (±0.10mm)
Tip diameter1.20mm
Shaft diameter1.80mm
Electrical Parameters
Rated current3–10A
Withstand voltage36V DC
Contact resistance≤ 10mΩ
Insulation resistance≥ 1000MΩ
Mechanical Parameters
Spring force120g (±20g)
Mechanical life> 900,000 cycles
Working temperature-20°C ~ +85°C
Storage temperature-40°C ~ +100°C
Material & Process
Tip materialCopper alloy, gold plated
Shaft materialCopper alloy, gold plated
Spring materialStainless spring wire
Surface finishAu 0.5μm