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I.Introduction
1. Introduction
Type ZX90E~ZX99E DC resistor is a multiple - valued resistor, formed by decade resistor groups in series. The resistance between both fasteners can be changed with the position of the switch brush contact.
The resistor is miniature and portable. The switches are fully enclosed, no .need to clean, low pressure of contact , long life time and less variations. The stand of the resistor is made of plastic so that the insulation resistance is high. The readings of resistance on the panel is lined up, and can be read forthright and clearly. The resistance elements are all wound noninductively with enameled manganin wire, and go through strict technical process, in this way, the resistor has high stability and can be used in any position.
2. Applications
2.1. It is suitable for electric measurement and other experiments in factories, schools and scientific research units.
2.2. It is used as adjustable precision resistor in DC circuit.
2.3. It is even more suitable for calebration of resistance thermometer.
3. Main Specifications
3.1. Reference and Nominal Temperatures:
REFERENCE RANGE | NOMINAL RANGE |
20+1.5 °C | 20±15°C |
3.2. Reference and Nominal Relative Humidity Range:
REFERENCE RANGE | RELATIVE RANGE |
40% -60% | 25% -80% |
3.3. Measuring Range and Step Resolution:
TYPE | ZX90E | ZX91E | ZX92E | ZX93E | ZX94E | ZX95E | ZX96E | ZX97E | ZX98E | ZX99E |
Rmax( Q) | 111.10 | 11110 | 1111.10 | 11111.0 | 111110 | 11111.10 | 111111.0 | 1111110 | 111111.10 | 1111111.0 |
Rmin( Q) | 0.01 | 1 | 0.01 | 0.1 | 1 | 0.01 | 0.1 | 1 | 0.01 | 0.1 |
3.4. Under the conditions of reference temperature, relative humidity and power, the accuracy of each decade resistor group should meet the specifications and residual resista-ncein following table:
TYPE | ACCURACY | RESIDUAL RESISTANCE | |||||||
x100kQ | XWkQ | XlkQ | X100Q | X10Q | X1 Q | X0.1 Q | X0.01 Q | ||
ZX90E | / | / | / | / | ±0.1% | ±0.5% | ±2% | ±5% | 8+2.5m Q |
ZX91E | / | / | ±0.1% | ±0.1% | ±0.1% | ±0.5% | / | / | 10± 5mQ |
ZX92E | / | / | / | ±0.1% | ±0.1% | ±0.5% | ±2% | ±5% | 10±2.5mQ |
ZX93E | / | / | ±0.1% | ±0.1% | ±0.1% | ±0.5% | ±2% | / | 10± 5mQ |
ZX94E | / | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.5% | / | / | 10± 5mQ |
ZX95E | / | / | ±0.1% | ±0.1% | ±0.1% | ±0.5% | ±2% | ±5% | 12 + 2.5m Q |
ZX96E | / | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.5% | ±2% | / | 12+ 5m Q |
ZX97E | ±0.2% | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.5% | / | / | 12± 5mQ |
ZX98E | / | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.5% | ±2% | ±5% | l4±2.5mQ |
ZX99E | ±0.2% | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ±0.5% | ±2% | / | 12± 5mQ |
3.5. Reference, Nominal and Ultimate Power:
REFERENCE POWER | 0.05 W | ||
NOMINAL | POWER | 0.1 | W |
ULTIMATE | POWER | 0.2 | W |
Company Information
| HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China. What's more, our customers come from different countries like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on. Our main products are Insulation Oil Tester, Cable Fault Locator, Power Quality Analyzer, High Voltage Generator, High Voltage Capacitor, Testing Transformer and so on. |
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