4. Resistance Law, Linear Deviation: During the whole journey, the resistance law changes into a linear law,
the linear deviation is not (+10%).
5. The rheostat control shaft should rotate for 5000 weeks in no less than 90% of the journey. There should be
no visible damage to the rheostat.
6. The resistance of the rheostat is less than 1.5 after 6 weeks (six days) of alternating humidity and heat at
40℃ at high temperature.
3.Type and size
The first safty inspection:Industrial frequency withstand voltage and insulation resistance The test voltage: 2500 v, 50 hz Pressure time: 1 min Pressure parts: wiring head and diameter10 mm of the axis of rotation Potentiometer no breakdown or flashover phenomenon Judge : meets the requirements
The second inspection:Power and resistance (500W 5R) Test current and resistance: In 5 r = 10 a Current time: half an hour to hour Requirements: 10 a current through the potentiometer no short circuit phenomenon properly 5 r value: Requirements: error of plus or minus 10% Judge: meets the requirements
The third working temperature test:50V 10A
Test results: glass glaze layer surface temperature rise of electricity for 3 minutes, 43.2 ° 15 minutes: 85.3 °
and a half hours: 81.9 ° Judge: meets the requirements
6. Related products :
Packaging & Shipping
1. Delivery time : 5-15days according to orders quantity .
2.Shipping way : By air ,by sea ,by railway ,by express and so on , we can send goods according to
customers' requirement .
3. Economic Packing desgin which will save your transportation cost.
4 Suitable packing material ( Non fumigaion ) and beautiful package workmanship which will well protect
the goods and avoid any trouble when you pick up the goods from the local customs.
KIG anode is located in the ancient city of xi 'an, China,it is a professional company who is engaged in cathodic protection materials production, sales, design and technical advice.
Main products: magnesium alloy sacrificial anode, aluminum alloy sacrificial anode, zinc alloy sacrificial anode, magnesium rods for water heater , MMO anodes, platinum anode, flexible anode, , test pile, reference electrode, joint box and other cathodic protection related products. Company has established a set of relatively complete sales and after-sales service system, products being sold more than 30 countries and regions in the world . Our products are mainly used in long distance pipeline, petrochemical, offshore platform, urban pipeline, wharf steel pile, ships, storage tanks, and other cathode protection engineering. Besides the present products, we have a special service team focusing on service and solutions for foreign customers. We could provide sourcing agent for you, using our mass information base, compare,visit and choose the best for you.
1. Our sales representative are 24 hours online,to ensure reply you ASAP.
2. When the products are finished,they must be checked by our QC firstly.
3. We own several whole production lines,which can not only provide best quality and competitive price,but
also reduce production period.
4. Urgent Orders can provide overtime production.
5. We can support OEM & ODM, and can be customized according to the detailed requirement, Like samples