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Instrumentation Amplifier
The Instrumentation Amplifier (Product Code: SLE/EAM/20) is a switched-gain precision op-amp unit that boosts the very small signals produced by sensors such as strain gauges, pressure gauges, thermocouples and platinum resistance thermometers until they can be read on an ordinary multimeter. Physics teachers, electronics tutors and engineering instructors use it to turn a sensor experiment into a clear voltage reading. It is produced by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, as part of its range of test and measurement instruments in India for teaching laboratories.
Specifications
| Parameter | Detail |
|---|---|
| Type | Switched-gain precision op-amp |
| Gain settings | 5, 10, 30, 100, 300 and 1000 |
| Sensor input | Telephone type data socket that interfaces with the flying lead of dedicated sensor units |
| Input monitoring | 4mm sockets for monitoring the input signal |
| Output reading | Output voltage measured with a standard multimeter |
| Auxiliary lines | 0V and +9V lines on the front panel for user-designed circuitry |
| Suitable sensors | Strain gauges, pressure gauges, thermocouples, platinum resistance thermometers and similar |
| Dimensions | 190 x 110 x 65mm overall |
Typical Use
Many transducers change their resistance or output voltage by only a tiny amount, far below what a school meter can resolve. The sensor’s flying lead plugs into the data socket, the gain switch is set, and the amplified output is read on a multimeter. A sensible routine is to start on a low gain, confirm the reading is stable, then step up through 30, 100 and beyond until the change of interest is comfortably visible without saturating the output. The 4mm input sockets let students compare the raw signal with the amplified one and work out the actual gain for themselves.
In advanced school physics, polytechnic and first-year engineering classes the unit supports loading experiments with a strain gauge, temperature measurement with thermocouples or resistance thermometers, and pressure sensing. The 0V and +9V lines on the front panel also allow students to build and power small circuits of their own design, which makes the amplifier a flexible choice among lab equipments for technical institutes.
Manufacturer
This amplifier comes from Jain Scientific Equipments Private Limited, trading as ScienceLab, which designs and manufactures physics and electronics teaching apparatus in Ambala, Haryana. The company is a registered MSME enterprise (Udyam UDYAM-HR-01-0003714), and its export consignments are handled under Importer-Exporter Code AAECJ8618A issued by the DGFT. Read more on our company profile.
Related Electricity and Magnetism Equipment
Sensors and meters that work alongside the amplifier in a measurement set-up:
- Strain Gauge — its output lead interfaces directly with this amplifier for strain experiments
- Mini Strain Gauge — a smaller strain-sensing unit for comparative loading work
- Digital Multimeter — reads the amplified output voltage
- Oscilloscope Dual Trace — displays input and output side by side when signals change with time
- Stackable Leads — connects the 4mm monitoring sockets and the meter
More sensors and circuit apparatus are listed in our Electricity and Magnetism category.
Frequently Asked Questions
Which gain settings are available?
Six switched settings: 5, 10, 30, 100, 300 and 1000. Choose the lowest gain that makes the sensor change clearly readable.
How is the output measured?
With a standard multimeter connected to the output. A multimeter is not part of the amplifier; see the related items above if you need one.
Will it work with any sensor?
It is designed for sensors such as strain gauges, pressure gauges, thermocouples and platinum resistance thermometers, and the telephone type data socket is made to accept the flying lead of dedicated sensor units. For a sensor from another source, contact us with its details so we can advise on connection.
What are the 0V and +9V terminals for?
They make the internal supply lines available on the front panel so students can power simple circuits they design themselves.
How large is the unit?
It measures 190 x 110 x 65mm overall, small enough to share a bench with the sensor rig and a meter.
Is a calibration certificate supplied?
Please discuss calibration certificate availability with us when you enquire, as requirements differ between institutions.
Can you quote for a full laboratory order?
Yes. List the amplifier (SLE/EAM/20), matching sensors, meters and quantities, and we will quote for schools, colleges and distributors in India and international markets.
Request a Quote
Add the Instrumentation Amplifier to the enquiry cart along with any sensors you plan to use, or write to us through the contact page for pricing and dispatch details.
Last updated: 24 September 2026
