Digital Bench Ammeter

Item #P6-8060

$65.00 Bundle Discount

Unit Price	$65.00
6+	$61.00

Measure current in any circuit without mode switching

The Digital Bench Ammeter measures DC current in series with a circuit element. Students break the circuit, wire the meter in series, and read the display. No range dial, no function selector, no chance of accidentally reading voltage when current was the goal.

Ammeters wire differently than voltmeters, and that distinction is part of the curriculum. A dedicated instrument makes it concrete: current is measured in series, it flows through the meter, and the 0.01 Ω input impedance keeps the meter from disturbing the circuit being measured. The 50-minute auto-off conserves battery life across class periods, and the LED low-battery indicator flags when a swap is needed before readings drift. The ABS and PVC housing holds up to daily classroom use, and a 9V battery is included.

Why Teachers Love It

Series-Only Design Reinforces Correct Technique – Because the meter does one thing, students can't wire it wrong by selecting the wrong mode. The series connection becomes the lesson, not the obstacle.
0.01 Ω Input Impedance – Near-zero resistance means the ammeter adds negligible resistance to the circuit, so measured current values reflect the actual circuit rather than the meter's presence.
50-Minute Auto-Off with LED Warning – Battery life extends across multiple class periods automatically, and an LED indicator signals when a replacement is needed before it affects data.

What You Can Teach with the Digital Bench Ammeter

Grades 6–8 (Middle School)

Current as the flow of charge through a circuit
Measuring current in a series circuit and confirming it is the same at every point
Comparing current through branches of a parallel circuit

High School Physics

Ohm's Law: measuring current to calculate resistance using V = IR
Kirchhoff's Current Law: confirming that currents into a junction equal currents out
How resistance changes current in series and parallel configurations
Effect of internal resistance on current delivered by a real battery vs. an ideal source

AP Physics / Advanced Investigations

Quantitative RC circuit analysis: current as a function of time during charging
Systematic error analysis: how ammeter resistance (0.01 Ω) affects measurements in low-resistance circuits
Comparing theoretical vs. measured current across varying load resistances

Pair with the Digital Bench Voltmeter

Measure voltage and current at the same time without re-wiring between readings. Students get cleaner data and a clearer picture of how V, I, and R relate in a live circuit.

Ohm's Law verification – Take simultaneous V and I readings across the same component; calculate resistance and compare across multiple resistor values.
Kirchhoff's Laws – Confirm KVL and KCL in one circuit setup with one meter per quantity, cutting wiring changes and the errors that come with them.

: Banana Plugs sold separately.

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.

Specs:

Dimensions: L x W x H: 110 x 110 x 65mm

Weight: 250g

Connection type: 4 mm banana plug sockets (banana plug leads sold separately)

Input Voltage: 9V PP3 Battery (Included)

Range: 0 to ± 10A d.c.

Resolution: 0.01A

Accuracy: ± 2%

Input Impedance: 0.01Ω Approx.

What's Included: