2793 Decade Resistance Boxes

2793 Decade Resistance Boxes

Supplier
Yokogawa
Part Number
2793 Decade Resistance Boxes
Category
Other
Origin
China

The 2793 Decade Resistance Boxes are high-accuracy, stable DC variable resistors with six dials, designed for precise resistance calibration and measurement applications.

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Overview

The 2793 Decade Resistance Boxes are high-accuracy, stable DC variable resistors with six dials, designed for precise resistance calibration and measurement applications.

Specifications

ParameterValue
Resistance Range 2793010.100Ω to 1,111,210Ω (Minimum resistance is 0.100Ω)
Resistance Range 2793030 to 111.110MΩ
Dial Composition 2793010.001Ω x 10 + 0.01Ω x 10 + 0.1Ω x 11 + 1Ω x 10 + 10Ω x 10 + 100Ω x 10
Dial Composition 279303100Ω x 10 + 1kΩ x 10 + 10kΩ x 10 + 100kΩ x 10 + 1MΩ x 10 + 10MΩ x 10
Resolution 2793010.001Ω
Resolution 2793030.05%
Accuracy 279301±(0.01% + 2mΩ) at temperature 23±2°C, humidity 45 to 75%, and 0.1W power application
Accuracy 279303100Ω to 1kΩ steps: ±0.05%, 10kΩ to 600kΩ steps: ±0.1%, 1MΩ and 10MΩ steps: ±0.2%
Max. Allowable Input Power 2793010.25W/step, Within 1W for overall instrument
Max. Allowable Input Power 279303100Ω step: 100mA, 1kΩ step: 30mA, 10kΩ step: 10mA, 100kΩ step: 2mA, 1MΩ step: 200μA, 10MΩ step: 20μA
Temperature Coefficient 279301α23 = +5 to +10 x 10^-6/°C, β = -0.3 to -0.7
Temperature Coefficient 279303100Ω, 1kΩ step: α23 = (-2 to +20) x 10^-6/°C, β = -0.3 to -0.7; 10kΩ, 100kΩ, 1MΩ, 10MΩ step: α23 = +30 x 10^-6/°C, β = -0.1
Insulation ResistanceMore than 500MΩ at 500VDC between panel and circuit
Dielectric Strength1,000VAC for one minute between panel and circuit
Operating Temperature Range0 to 40°C
Storage Temperature Range-10 to 50°C
Humidity Range25 to 85%, relative humidity
Residual ResistanceLess than 23mΩ

Applications

1. Calibration of resistance thermometers 2. Calibration of bridges 3. Calibration of insulation resistance testers

Key Features

1. High accuracy and stability 2. High reproducibility 3. 1mΩ resolution 4. In-line display for easy reading 5. Shock and vibration resistance 6. Suitable for calibration of resistance thermometers and bridges

Datasheet

Product Datasheet
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Supplier Information

Yo
Yokogawa
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<p>Yokogawa was founded in 1915 and has more than 6,000 test and measurement instrument patents. It focuses on developing and providing the best test and measurement solutions. Yokogawa Measurement Technology (Shanghai) Co., Ltd. ensures the excellent quality of the brand and contributes to the growth of China's industry.</p>

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