ZX74 type DC resistor

1、 Overview
A multi value resistor is a measuring tool with variable resistance values. By switching, known resistance values for each level can be obtained. The ZX74 type DC resistor is a multi value DC resistor composed of six ten input reading disks connected in series. Each ten inch disc is composed of 10 precision wire wound resistance elements as independent components. The 10 precision resistance elements are connected between the various contacts on the switch. The known resistance value between the two terminals on the panel can be obtained by changing the position of the switch electrical contacts on the six ten inch discs.
ZX74 type DC resistorResistors are small in size and easy to carry. The switch is fully sealed, does not require cleaning, has low contact pressure, long lifespan, and minimal variation. The support is made of plastic, and the insulation resistance of the whole machine is high. The readings on the panel are arranged in a straight line, making it easy and clear to read the resistance value. The resistor components are made of high-quality enameled manganese copper alloy wire wound without inductance, and undergo strict processing, so they have high stability and can be used in any position.

2、 Purpose:
1. ZX74 type DC resistorWidely suitable for measurement and other experimental purposes in factories, schools, and research institutions.
2. Used for precise adjustment of resistors in DC circuits.
3. It can be used as a standard measuring tool for verifying resistance thermometers.
III Main technical specifications of resistors
1. Range of resistor adjustment: 0.100-1111.210 Ω
2. The small step value is 0.001 Ω
When all six readings are at zero, the resistance value is 0.1 Ω
4. The reference temperature and nominal temperature of the resistor should comply with the provisions in Table 1
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