Name: Standard Resistance Box SRB-29
SKU: SRB-29

Description

Technical Specifications

Model: SRB-29
Type: Standard Resistance Box / Reference Standard
Accuracy:
- ±0.2% up to 100 kΩ
- ±1% for 1 MΩ & 10 MΩ
Resistance Values (8 steps):
- 1 Ω, 10 Ω, 100 Ω
- 1 kΩ, 10 kΩ, 100 kΩ
- 1 MΩ, 10 MΩ
Decade Type: Resistance
Switch Type: Rotary
Resistor Construction: Precision resistance coils
Maximum Current Capacity:
- 1 Ω – 500 mA
- 10 Ω – 100 mA
- 100 Ω – 50 mA
- 1 kΩ – 15 mA
- 10 kΩ – 10 mA
- 100 kΩ – 1.2 mA
- 1 MΩ – 0.8 mA
- 10 MΩ – 0.3 mA
Applications: Calibration laboratories, electronics testing, QA departments, R&D centers, technical institutes

📋 Product Overview

The Standard Resistance Box SRB-29 is a high-precision calibration instrument designed for stable and accurate medium- to high-resistance measurements. Covering resistance values from 1 ohm to 10 megaohms, the unit provides dependable accuracy with ±0.2% precision up to 100 kΩ and ±1% accuracy for 1 MΩ and 10 MΩ ranges, meeting the needs of routine laboratory and industrial reference testing.

The resistance box features eight selectable resistance steps, accessed via a smooth rotary decade switch, enabling quick and simple selection of the required resistance value. Precision resistance coils ensure excellent stability and repeatable measurements over prolonged usage.

Designed for use as a reference standard, SRB-29 is ideal for calibration of measurement equipment, bridge testing, classroom demonstrations, and component verification in QA and R&D environments.

It is commonly employed by calibration labs, electronics manufacturers, electrical testing facilities, engineering universities, and technical training institutes where dependable resistance standards across a wide value range are required.