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Seller Store commercialmachinery
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Location: shenzhen
Ships to: US,
Item: 204969547921

Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Origin:Mainland China
Unbranded:Unbranded
Type:adjustment tool
UPC:Does not apply
is_customized:No
DIY Supplies:ELECTRICAL
weights:1.3/1.5kg
Model Number:ZX21
Certification:NONE

ZX21 DC Resistance Box (six switches) Adjustable Resistance Box ZX21A ZX21 series rotary resistance box for the DC circuit for use adjustable resistance, has a lower value of zero resistance, are all the most commonly used laboratory instruments for schools, factories and research units for electrical measurements and other experiments. ZX21 series rotary resistance box is suitable for ambient air temperature + 10 ℃ ~ + 35 ℃ and relative humidity when using 30 to 80%. Parameters: 1. Use for precision resistance experiment.0.1R to 99.9999kR. 2. Zero value of the resistance: 30 ± 5mΩ. 3. Dielectric strength of the resistance box circuit between the shell, withstand a frequency of 50 Hz, 2000 VAC’s role, which lasted one minute. 4. Resistance box circuit and the insulation resistance between the shell less than 1000 megohms. 5. Size: 200*150*110mm. 6. Net Weight: 1.3kg. Kindly Notes: 1. When the proper use of resistance box to rotate the knob in each group, so that the contact resistance is stable and reliable. 2. The maximum allowable current value of the resistance box in use should never exceed the specified. 3. When only a small change in resistance, then wire to the ”0” and another small indication terminal, can reduce the resistance inside the lead resistance. 4. The resistance box should be placed in shelter room, the air temperature from + 10 ℃ ~ 40 ℃ relative humidity below 80% should not contain harmful impurities can cause corrosion. Package Includes: 1 x Set of ZX21 DC Resistance Box

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