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واردات

XZ-21

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BOX مقاومت

XZ-21
use:
ZX21 series of rotating resistance box for the DC circuit for the use of adjustable resistance, with a low value of zero resistance, is the most commonly used in all laboratory equipment for schools, factories and research units for electrical measurement and other experimental use. ZX21 series of rotating resistance box for the ambient air temperature +10 ℃ ~ +۳۵ ℃ and relative humidity of 30 to 80% when used.
۱, the adjustment range:
  XZ21: (0 to 9) x (0.1 to 10 k) Ω = 0 to 99.9999 kΩ
   XZ21a: (0 to 10) x (0.1 to 10 k) Ω = 0 to 111.1110 kΩ
  XZ21b: (0 to 9) × (0.1 to 10 k) Ω = 0 to 99.9999 kΩ
    XZ21c: (0 to 10) x (0.01 to 1 k) Ω = 0 to 11.11110 kΩ
    XZ21d: (0 to 10) (1 to 100 k) Ω = 0 to 1.111110 MΩ
     XZ21e: (0 to 10) × (10 to 1M) Ω = 0 to 11.11110 MΩ
   XZ21f: (0 to 10) × (100 to 10M) Ω = 0 to 111.1110 MΩ
   XZ21g: (0 to 10) × (1k to 100M) Ω = 0 to 1.111110GΩ
۲, zero value resistance: 30 ± 5mΩ
۳, the basic error resistance box as follows in Table 1 provides:
۴, the resistance of each file to allow current through Table 1:
۵, the resistance between the box circuit and the insulation strength of the shell, the withstand frequency of 50 Hz, 2000 volts AC role, which lasted 1 minute.
۶, resistance box between the circuit and the insulation resistance of not less than 1000 megohms.
۷, the resistance box weighs about 1.3 kg; the scale of 200 × 150 × 110mm
Caution:
۱, the correct use of resistance box should first rotate the knobs, so that resistance to contact with a stable and reliable.
۲, the resistance box in use should never exceed the maximum allowable current value.
۳, when only a small resistance value changes, the line will be connected to "0" and another small value of the terminal, you can reduce the resistance of the lead wire resistance.
۴, the resistance box should be placed in a covered room, the air temperature from +10 ℃ ~ ۴۰ ℃ relative humidity below 80% should not contain harmful impurities can cause corrosion.

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نمونه واردات تجهیزات ابزار دقیق و اتوماسیون صنعتی
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  • آذر ۶, ۱۳۹۵

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