Laboratory Potentiometer

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Laboratory Potentiometer Specification

Accuracy
< 0.02 V (direct reading up to 2V, higher with resistance box)

Capacity
1030 V (measuring potential difference up to 2V directly; higher voltage with resistance box)

Frequency
DC measurements only

Automation Grade
Manual

Voltage
210 V (working potential range)

Temperature Range
Ambient laboratory temperature (typically 10C 50C)

Measurement Range
Up to 2V direct, higher with accessories

Equipment Materials
Brass contacts, lacquered wooden base, resistance wire, cast iron supports, scale engraved on brass strip

Usage
Measurement of EMF, voltage calibration, comparison of cells

Dimension (L*W*H)
Approx. 420 mm 120 mm 150 mm

Weight
Approx. 2.53.5 kg

Scale Graduation
Millimeter and centimeter markings

Calibration
Provided with 1 Ohm standard resistor

Operating Temperature
10C - 50C

Jockey
Fitted metallic, insulated handle

Resistance Wire Material
Manganin or Constantan

No. of Wire Slides
One (precision slide contact)

About Laboratory Potentiometer

We feel proud to introduce ourselves as a trustworthy entity, engaged in manufacturing, exporting and supplying a wide range of qualitative Laboratory Potentiometer. Manufactured using quality approved components and latest technology, this potentiometer is checked on stringent quality parameters to assure its reliability. Offered potentiometer finds its application in laboratories for determining voltage in a circuit. In addition, our valued clients can easily obtain this Laboratory Potentiometer in different specifications and at the nominal prices.

Features:

Sturdy design
Longer service life
No maintenance required
Accurate reading

Precision Voltage Measurements

With its high-accuracy resistance wire and fine scale graduation, this potentiometer is tailored for measuring EMF, calibrating voltmeters, and comparing cell voltages. Its practical design allows for straightforward, reliable measurements in laboratory environments.

Robust Construction and Calibration

Crafted with a lacquered wooden base, brass contacts, and a durable metallic jockey with an insulated handle, the potentiometer is built for daily laboratory use. The included 1 Ohm standard resistor guarantees initial calibration and confidence in results.

FAQs of Laboratory Potentiometer:

Q: How is the laboratory potentiometer used to measure EMF or calibrate voltages?

A: The potentiometer measures EMF or calibrates voltages by balancing an unknown voltage against a known reference, using a single precision slide contact and calibrated resistance wire. By adjusting the jockey along the millimeter scale, you obtain direct readings up to 2V and higher with a resistance box.

Q: What is the operating temperature range and how does it impact performance?

A: The potentiometer is designed for ambient laboratory temperatures, typically between 10C and 50C. Within this range, the manganin or constantan wire maintains stable resistance, ensuring accurate and consistent voltage measurements.

Q: When should a resistance box be used with this potentiometer?

A: A resistance box should be used when you need to measure voltages higher than 2V directly. By incorporating a resistance box, the measurement range expands while still maintaining accuracy below 0.02V.

Q: Where can this potentiometer be effectively utilized?

A: This potentiometer is suitable for use in educational settings, calibration laboratories, research institutes, and quality control departments anywhere precise DC voltage measurement and calibration are required.

Q: What are the main benefits of the manganin or constantan resistance wire in this instrument?

A: Both manganin and constantan offer low temperature coefficients, which means they provide stable resistance values even with temperature fluctuationscrucial for precise, repeatable voltage measurements in laboratory conditions.

Q: How do the scale graduations improve measurement accuracy?

A: The finely marked millimeter and centimeter graduations on the brass scale allow users to identify exact positions along the resistance wire, helping achieve more precise readings and easier repeat measurements.

Q: What is the process for routine calibration of this potentiometer?

A: Routine calibration is facilitated by the included 1 Ohm standard resistor. You connect the resistor and verify the potentiometers readings against known values, ensuring continued measurement accuracy over time.

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