RESISTANCE BOX, DECADE

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RESISTANCE BOX, DECADE Specification

Core Components
High precision resistors, rotary selector switches

Frequency
DC applications or AC up to 1 kHz

Automation Grade
Manual

Capacity
Each dial rated for 2 W

Power Source
Passive (manual operation, no power required)

Voltage
Maximum working voltage 250 V

Model No
Standard Laboratory Decade Box

Feature
Low residual resistance, high accuracy, durable construction

Temperature Range
0C to 40C

Measurement Range
1 Ohm to 11,111 Ohms

Accuracy
1%

Type
Decade Resistance Box

Dimension (L*W*H)
Approx. 250 x 140 x 100 mm

Insulation Resistance
>100 M

Calibration Certification
Available on request as per ISO standards

Case Material
Impact resistant bakelite enclosure

Test Current
Up to 0.5 A (depending on resistance selected)

Finish
Matte black finish with white dial markings

Dial Markings
Clear white printed numerals for easy reading

Maximum Tolerance Per Step
0.5% typical

About RESISTANCE BOX, DECADE

A.) In wood box. Each dial has 10 coils of equal value. Available ranges of dials are 1/10, 1, 10, 100 and 1000amp. Accuracy .5%. Non-inductivity wound manganin coils; well seasoned. Dials with positive click-stops, mounted on insulated top. In well-polished, wooden box. Number of dials:

a.) Single decade

b.) Two decades

c.) Three decades

d.) Four decades

e.) Five decades

B.) In metal box. As no. 3309A, but in painted, metal box. Accuracy 1%.

Precision and Reliability

This resistance box employs high-precision resistors and rotary selector switches to deliver low residual resistance and optimal accuracy. Users can depend on its stable performance for critical testing and calibration applications, supported by ISO-compliant calibration certifications available upon request.

Durable and User-Friendly Design

Protected by a rugged bakelite enclosure, the resistance box is built for intensive use. The clear white dial markings on a matte black finish ensure easy identification of values during manual adjustments, optimizing workflow and minimizing errors in measurement.

Wide Range of Applications

Designed for laboratory, manufacturing, and educational settings, the decade resistance box accommodates measurements from 1 Ohm to 11,111 Ohms. It operates efficiently within a temperature range of 0C to 40C and can be used in DC and AC circuits up to 1 kHz.

FAQs of RESISTANCE BOX, DECADE:

Q: How do I operate the Decade Resistance Box for resistance measurements?

A: To use the resistance box, simply rotate the selector switches on each dial to set your desired resistance value. Connect the input terminals to your test circuit and read the resistance directly from the clear numerals. No external power is required for operation.

Q: What are the main benefits of using this resistance box in laboratory environments?

A: The key benefits include precise resistance selection, low residual resistance, high accuracy, robust case construction, and clear dial markings. These features ensure reliable calibration, troubleshooting, and educational demonstrations.

Q: When should calibration certification be requested for this resistance box?

A: Calibration certification should be requested when traceability and compliance with ISO standards are required by your laboratory, institution, or quality system. Certificates can be provided upon request for added assurance of measurement accuracy.

Q: Where is this decade resistance box suitable for use?

A: This device is ideal for use in laboratories, educational institutions, manufacturing facilities, and workshops across India. Its robust design and versatile measurement range fit a broad spectrum of professional settings.

Q: What is the process for selecting and reading resistance values on the box?

A: Select resistance values by rotating the labeled dials to the corresponding settings. Each dial contributes to the total resistance, which is easily read from the white printed numerals for accurate and immediate reference.

Q: Can this resistance box handle both DC and AC circuits?

A: Yes, the resistance box is suitable for DC measurements and AC circuits up to 1 kHz. It features high insulation resistance and can safely operate with test currents up to 0.5 A and voltages up to 250 V.

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