Seismograph Model STEM Lab
Product Code : SCL-MH-12501
Quick Answer: The Seismograph Model STEM Lab records vibrations with a pen on a motor-driven paper roll, using a 1.2 kg steel inertial mass hung from a support tower. It also has an induction coil sensor port for an oscilloscope.
Last updated: October 2026
Key Features
- 1.2 kg steel cylindrical inertial mass on a low-friction mount
- Motorised 6V DC variable-speed paper scroll with gear take-up
- Pen trace on chart paper plus an induction coil sensor port with 3.5mm and 4mm oscilloscope links
- Heavy cast iron bedplate on spring-damped legs
- Runs on 6V DC from 4 AA batteries or the wall adapter supplied
- 2 graph paper rolls and 3 fine-tip charting pens included
Technical Specifications
| Specification | Value |
|---|---|
| Recording | Pen on chart paper; induction coil sensor port |
| Inertial mass | 1.2 kg steel cylinder |
| Chart drive | 6V DC motor, variable speed |
| Sensor links | 3.5mm and 4mm |
| Base | Cast iron bedplate, spring-damped legs |
| Power | 6V DC, 4 AA batteries or included adapter |
| Consumables | 2 graph paper rolls, 3 charting pens |
About This Product
The heavy mass stays almost still while the frame moves, so a tap on the bench or a weight dropped nearby shows up as spikes on the moving paper. Students compare traces of different strengths, talk through primary, secondary and surface waves, and see why a seismometer depends on inertia; the coil output can be viewed on an oscilloscope for a second record of the same tremor. Enquiries from Armenia, Zambia, Uruguay, Mauritania and Tunisia for the Seismograph Model STEM Lab receive an export quotation.
Frequently Asked Questions
How is a tremor made for the Seismograph Model STEM Lab?
Tap the side of the bench or drop a weight beside the frame; the pen records spikes on the moving paper while the suspended mass stays steady.
What power does it need?
6V DC, from four AA batteries or the adapter supplied.
Related: Mechanics & Heat and Viscosity Tube Model STEM Lab.
For a quotation on the Seismograph Model STEM Lab, contact Educational Instrument.
