Precision Variable Decade Resistor Resistance Box DC Resistance Box

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Seller: cjc-fashion (45,038) 99.2%, Location: shenzhen, Ships to: Worldwide, Item: 401861256139 无标题文档 Precision Variable Decade Resistor Resistance Box DC Resistance Box Description: 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% Parameter: 1.Use for precision resistance experiment: ZX21: (0~9)×(0.1~10k)Ω =0~99.9999 kΩ ZX21a:(0~10)×(0.1~10k)Ω=0~111.1110 kΩ ZX21b:(0~9)×(0.1~10k)Ω =0~99.9999 kΩ ZX21c:(0~10)×(0.01~1k)Ω=0~11.11110 kΩ ZX21d:(0~10)×(1~100k)Ω=0~1.111110MΩ ZX21e:(0~10)×(10~1M)Ω =0~11.11110MΩ ZX21f:(0~10)×(100~10M)Ω =0~111.1110MΩ 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 Note: 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 Included: 1 x Set of DC Resistance Box Contact Us: 1. We have always been trying to provide the best service and reliable products for every customer, however, accident may happen sometimes, please contact us to resolve any issue before leaving a negative feedback. 2. Please contact us by "Ask a question". Shipping Policy: 1. We Will ship your orders within 2-3 business days after the payment received. 2. Item shipped via Singapore Post or HongKong Post , It takes about 7-14 business days (USA,CA,AU,UK).others country 10-20 business days(Brzil,India,RU),Exact delivery time depends on postal process. 3. If you do not receive your item by 30 business days,Please feel free to contact us via ebay mail system , we will try our very best to resolve any problems with you Payment Method: 1.All payments must be prepaid. 2.We only accept payment via Paypal.Please kindly check if you can do the payment via paypal before placing an order. Returns&Warranty: 1. We offer 30 days money back guarantee return policy . 2. Our warranty does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part. 3. For all returned products, buyers MUST contact us for the returning address. 4. In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item. Condition: New, MPN: Does Not Apply, Brand: Unbranded/Generic

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