<< Yokogawa
Decade Resistance Boxes Index
Yokogawa 2786-10 and 2786-20
Decade Resistance Boxes |
- Accuracy: ±0.01% rdg or more
- Low temperature coefficient
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Yokogawa 2786 Series
Shown
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The Yokogawa 2786-10 and 2786-20 six-dial decade resistance boxes allow quick
and easy setting of a wide range of resistance. These resistance boxes
are used in combination with voltage or current standards to adjust
voltage or current, as dummy load resistances or as an arm of AC
bridges. |
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Specifications |
2786-10 |
2786-20 |
Resistance Range
(Six decade dials) |
0.1 to 111,111Ω |
1 to 111,111Ω |
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Residual Residence |
Less then 23mΩ |
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Power Rating |
0.3W/Step, Within 3W for overall
instrument |
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Maximum Allowed Input |
0.5W/Step, 5W for Overall Instrument |
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Maximum Circuit Voltage |
250V |
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Operating Temperature Range |
0 to 40°C
( 32 to 104°C) |
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Storage Temperature Range |
-10 to 50°C
(14 to 122°F) |
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Humidity Range |
25 to 85% relative humidity |
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Insulation Resistance |
More than 500MΩ at 500V DC between panel
and circuit |
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Dielectric Strength |
1,500 V AC for one minute |
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Dimensions |
116 x 497 x 120mm (4 5/8 x 19 5/8 x 4 3/4") |
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Weight |
7.76lbs (3.5kg) |
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Step |
Accuracy |
Temperature Coefficient |
Reference Data |
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α20
(x10-6/°C2) |
β(x10-6/°C2) |
Current Rating |
Max. Allowable Input Current |
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0.1Ω |
±2 |
±250 |
-0.4 to -0.8 |
1.7A |
2.2A |
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1Ω |
±0.5 |
±100 |
550mA |
710mA |
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10Ω |
±0.1 |
±20 |
170mA |
220mA |
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100Ω |
±0.05 |
±10 |
55mA |
71mA |
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1kΩ |
17mA |
22mA |
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10kΩ |
±0.1 |
±50 |
±0.1 |
5.5nA |
7.1mA (10kΩ to 30kΩ) |
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250V(40kΩ to 100kΩ) |
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100kΩ |
250V (200kΩ to 1MΩ) |
250V |
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1.7mA (100kΩ) |
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Ordering Information |
| Model |
Description |
Buy Online |
Price |
| 278610 |
Yokogawa 278610 Decade Resistance Box, 0.1-111, 111 ohm (6 Decade Dials) |
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$2,440.00 |
| 278620 |
Yokogawa 278620 Decade Resistance Box, 1-111 , 111 ohm (6 Decade Dials) |
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$2,370.00 |
| Included Accessories |
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Included |
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