| Zero resistance | :（30±5）mΩ |
|---|---|
| Brand | Unbranded |
| size | 200×150×110mm |
| country of origin | CN |
| weight | 1.3kg |
| UPC | 717981540660 |
| warranty | 1 year |
| MPN | 20191202 |
| Country/Region of Manufacture | China |
| Decade Box Type | Resistance |
| stock | yes |
| Measurement Range | 0~99.9999 kΩ |
Check the listing for details. DC Resistance Box Precision Variable 6 Dial Resistor Teaching Instrument. Condition: New, Made in CN. Listed at 236.15 USD. The ZX21 rotary resistance box which has low zero resistance ,is used to adjust resistance in DC circuit. The temperature of the air around should be +. The insulation resistance between resistance box circuit and shell is not less than 1000M Ω.
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