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R401

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Electrical coil resistance measuring R401 (R 401, R 401, p401, p-401, p 401)
Applicable as a measure of electrical resistance in DC and AC.
Nominal Impedance, Ohm 106
Accuracy class 0.05

 

 

The coil of electrical resistance measurement of R401 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. P401 coils used at temperatures from 15 to 30 ° C and relative humidity of 80%.

 

Table 1.
Type designation
Manufacturer's designation of the coil
Sphere of application
KSIB
R401
In DC and AC frequency to 1000 Hz
 
In terms of resistance to mechanical impact devices coil of electrical resistance measurement R401 are tryaskoprochnym (group 1).
The main technical characteristics are given in Table. 2.
 
Table 2
Factory notation
of coil
Electric
some resistance
the insulation, MW
Accuracy class reels
Nominal
tion resistance
tion,
Ohm
Nominal
voltage of the coil, In
The maximum allowable coil voltage, V
R401
5.10 6 MW
0.05
June 10
550V
1500V

The time constant of the coils P401 is 7 × 10 -6 sec.
Overall dimensions of the coils P401 - 115h125h260 mm, weight of 2 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 R401 per 500 parts of the test is not less than 0.85 at a confidence level of 0.8.

Photos: R401

R401 device coil with the opened lid.
R401 device coil with the opened lid.
R401 device coil with the closed lid.
R401 device coil with the closed lid.
R401 front view.
R401 front view.
R401 side view.
R401 side view.
R401 rear view.
R401 rear view.
R401 overhead view with the opened lid.
R401 overhead view with the opened lid.
R401 overhead view with the closed lid.
R401 overhead view with the closed lid.
R401 bottom view.
R401 bottom view.


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