Decade Resistance Boxes 2793

Model 2793 resistance box is high-accuracy, stable DC variable resistor with 6 dials and is available in two styles: 279301 for medium resistance from 0.1 to 1,111.210 Ω in 1 mΩ steps (best suited for calibration of resistance thermometers or bridges); 279303 for high resistance from 0 to 111.1110 MΩ in 100 Ω steps (suitable for calibration of insulation resistance testers or bridges).

• Up to 100MΩ in 100Ω stop
• Low voltage coefficient
  Variation of the resistance value is less than ±0.1% at 1MΩ and 10MΩ steps against 100V application, and less than ±0.04% at 100Ω 1Ω 10Ω, and 100Ω flaps against 10V application.
• Shock and vibration proof construction
• Easy-to-read in line indication
• Best suited for calibration of insulation resistance testers and bridges

Dielectric Strength	2,500 AC for one minute between Panel and Circuit
Insulation Resistance	More then 1011Ω at 1,000V DC between panel and circuit
Dimension	497（W）×116（H）×140（D）mm, excluding protrusions 19.57 x 4.57 x 5.51 in.
Weight	Approx. 5.3kg 11.7 lbs
Resistance Range	0 to 1,111.110Ω
Dial Composition	100Ω x 10 + 1kΩ x 10 + 10kΩ x 10 + 100kΩ x 10 + 1MΩ x 10 + 10MΩ x 10
Resolution	100mΩ
Accuracy	100Ω, 1kΩ, 10kΩ, 100kΩ Steps - ±(0.05Ω + 0.05mΩ) 1 MΩ and 10MΩ Steps - ±0.2% (At temperature 23 ±2°C, humidity below 75%, including residual resistance of approx. 0.05Ω).

Max. Allowable Input	100 Ω	Step	100mA
	1 Ω	Step	30mA
	10 Ω	Step	10mA
	100 Ω	Step	3mA (100 to 600 kΩ)
			2000 V (700 kΩ to 1 MΩ)
	1 Ω	Step	2000mA
	10 Ω	Step	2000mA

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