<< Yokogawa Decade Resistance Boxes Index

Yokogawa 279301 and 297303
Decade Resistance Boxes

High Accuracy and Stability
High Reproducibility
Simple, quick dial operation
In-line display for easy reading
The 297301 is ideal for Calibration of resistance thermometers and bridges
The 297303 is best suited for calibration of insulation resistance testers and bridges.
Excellent Anti-shock and anti-vibration properties

Yokogawa 2793 Shown

Product Information
Datasheet	1.16 MB
Specifications	1.5 MB
Ordering Info
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The Yokogawa 2793 Decade Resistor Box series is a high-accuracy, stable DC variable resistor with 6 dials and is available in two styles: 279301 for medium resistance from 0.1 to 1,111.210Ω in 1mΩ steps. The 279303 is made for high-resistances from 0 to 111.1110MΩ in 100Ω steps.

Specifications		2793-01	2793-03
Resistance Range		0.1mΩ to 1,111.2100Ω (minimum resistance is 0.1Ω)	0 to 1,111.110Ω
Dial Composition		0.001Ω x 10 + 0.01Ω x 10 + 0.1Ω x 11 + 1Ω x 10 + 10Ω x 10 + 100Ω x 10	100Ω x 10 + 1kΩ x 10 + 10kΩ x 10 + 100kΩ x 10 + 1MΩ x 10 + 10MΩ x 10
Resolution		1mΩ	-
Maximum Allowed Input	0.1Ω	1.5mA
	1Ω	500
	10Ω	150mA
	100Ω	50mA	100mA
	1kΩ	-	30mA
	10kΩ		10mA
	100kΩ		3mA
			2000V
	1MΩ
	10MΩ
Accuracy		±(0.01Ω + 2mΩ)at temperature of 23±2°C, humidity of 45 to 85%, and 0.1W Power Application	100Ω, 1kΩ, 10kΩ, 100kΩ Steps	±(0.05Ω + 0.05mΩ)
			1 MΩ and 10MΩ Steps	±0.2%
Insulation Resistance		More than 500MΩ at 500V DC between panel and circuit	More then 10¹¹Ω at 1,000V DC between panel and circuit
Dielectric Strength		1,000 V AC for one minute between Panel and Circuit	2,500 AC for one minute between Panel and Circuit
Dimensions		110 x 491 x 140mm (4 3/8 x 19 3/8 x 5 1/2")
Weight		10.6lbs (4.8kg)

Ordering Information
Model	Description	Buy Online	Price
279301	Yokogawa 279301 Decade Resistance Box, 1 M ohm		$3,770.00
279303	Yokogawa 279303 Decade Resistance Box, 100 M ohm		$5,240.00
Included Accessories
	1 - Test Certificate	Included

Yokogawa 279301 and 297303 Decade Resistance Boxes

Yokogawa 279301 and 297303
Decade Resistance Boxes