Coil of electrical resistance measuring R4021 (R 4021, R-4021, p4021, p-4021, p 4021)
It is used as a measure of electrical resistance in DC and AC.
Rated resistance in Ohm: 107
Accuracy class: 0.01
R4021 coil of electrical resistance measurement of cast microwire in glass insulation is used as a measure of electrical resistance in DC and AC. Application of coils is shown in Table. 1. The coils are used at temperatures from 15 to 30 ° C and relative humidity of 80%.
In terms of resistance to mechanical impact devices Coils of electrical resistance measurement R4021 are resistant to shaking (group 1).
The main technical characteristics are given in Table. 2.
Overall dimensions of the coils R4021 - 115h125h290 mm, weight 2.1 kg.
Coils of cast microwire placed in a metal cylinder that serves as an inner screen. On top of the coil cover is worn at the same time serving as an external display. The side surfaces include grounding clips.
The minimum probability of failure-free operation of the device coil of electrical resistance measurement R4021 per 500 parts of the test is not less than 0.85 at a confidence level of 0.8.