Data Harvest Current Sensor (+/‑ 100mA) – Model 3166

The Data Harvest Current Sensor (+/‑ 100mA) 3166 is a high‑precision sensor designed for accurate measurement of both AC and DC currents in educational and laboratory settings. Featuring differential inputs, this sensor can be placed anywhere within an electrical circuit and is ideal for use alongside a compatible Voltage Sensor for full circuit analysis.

Part of a family of three current sensors with varying measurement ranges, the 3166 model is perfect for low‑current investigations where sensitivity and accuracy are essential.

Key Features

• Measures both AC and DC currents
• ±100mA range ideal for low‑current experiments
• Differential inputs allow placement anywhere within a circuit
• Compatible with Data Harvest datalogging systems
• Designed for use alongside a Voltage Sensor for full circuit analysis
• Durable, classroom‑ready construction

Ideal for School Science Lessons

Perfect for GCSE and A‑Level Physics, this current sensor supports a wide range of circuit‑based investigations, including:

• Ohm’s Law and resistance measurements
• Exploring current flow in series and parallel circuits
• Measuring current in electromagnetism experiments
• Component testing such as diodes, bulbs, and resistors
• Investigating AC vs. DC behaviour in different circuits