NNB 103 NNB 103 The equivalent network NNB 103
4.9 63

The equivalent network NNB 103 (NNB-103, NNB103)

Provides with the device 8 or SMV SMV 8.5 measuring the radio interference voltages at the frequency 26MHz - 300MHz for devices, machines and installations, which produce spurious high frequency power (motors, power noises contacts industrial and therapeutic rf generators, etc.).
Through the equivalent of the network can be exploited for interference with a three-phase connection and a current up to 25A per phase and single-phase connection and a current of up to 10A.

Price:

on request

 

Product information updated 10 April 2024.

Found cheaper?

Let us know. Our price is the best. 

Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

Product information updated 10 April 2024.

Found cheaper?

Let us know. Our price is the best. 

Warranty:

12 months.

Warranty extension up to 5 years. 

Terms of delivery:

To all regions of the country, international delivery. 

Technical characteristics

The equivalent network NNB 103 (NNB-103, NNB103)

Provides with the device 8 or SMV SMV 8.5 measuring the radio interference voltages at the frequency 26MHz - 300MHz for devices, machines and installations, which produce spurious high frequency power (motors, power noises contacts industrial and therapeutic rf generators, etc.).
Through the equivalent of the network can be exploited for interference with a three-phase connection and a current up to 25A per phase and single-phase connection and a current of up to 10A.
The equivalent network NNB103 provides, together with instruments for measuring voltage disturbances such as 8 or SMV SMV 8.5 (z = input impedance of 50 ohms) measuring the radio interference voltages in a frequency range from 26 MHz to 300 MHz for devices, machines and installations, which produce spurious high frequency power, such as motors, power noises contacts industrial and therapeutic rf generators.
With the use of instruments to measure stress with a different RFI from z = 50 ohm input impedance, requires a transformative link.
RF interference distributed in the frequency range from 26 MHz to 300 MHz, preferably from stray radiation. Radio field intensity measurement by conventional methods require a large amount of high-quality measuring equipment, special facilities for measuring and time-consuming for measurement. Voltage measurement interference with the equivalent network is the most convenient, cheap and fast method of measurement.
This method allows the detection of radio noise emitted by the devices in the network designs, mass production and operation of different facilities, in order to eliminate them.
Measurement of Radio Interference of the unknown, time-varying and dependent on local conditions impedance values ​​is difficult. The equivalent network replaces the unknown impedance of the equivalent resistance of a particular network. It is injected into the line for that source network interference and ensures a high-frequency isolated from the network.
Through the equivalent network NNB103 may be used for interference with a three-phase connection and a current up to 25A per phase and single-phase (two-pole) connection and a current of up to 1 0 A.
The equivalent network NNB103 can be used both indoors and in the field in accordance with GOST 9763 -4 group.
 

Frequency range

from 26 MHz to 300 MHz

Number of Conductors

3-phase, zero and protective conductors

Operating voltage

 

Between phases

≤ 420V

Between phase and neutral conductor

≤ 250V

Permissible current network

≤ 25A

Input impedance of the equivalent network for the source of the interference

50 ohms

Coefficient of agreement

m ≥ 0,7

Isolation on the web (filter attenuation N.Ch.)

 

Isolation between the phases

≥ 30 dB

Decoupling the neutral wire

> 20 dB

Isolation of conductors relative to each other
Reducing interference between the connection source and the measuring output (frequency dependent)

≥ 60 dB ≤ 2,0 dB

The voltage drop across each line equivalent network with rated current for
the source of interference with braid. φ = 1

≤ 2B

Type of connection

 

Mains

five pole clamp bracket

Connect the source of interference

high-plug box 22 THL 25603 Series 7/16

Measuring output

high-plug box 22 25602 THL Series "N"

Weight
16 kg

Overall dimensions

550 x 198 x 395 mm

Climatic and mechanical conditions

 

Operating parameters

GOST 9763-67, the group IV

class performance

T II by THL 9200, sheet 1

operating temperature range

from -30 ° C to +50 ° C

Storage and transportation in its original packaging

 

ambient temperature range

from -40 ° C to +55 ° C

the maximum water vapor pressure for a period of not more than 500 hours

35 Torr (humidity
80% at 35 ° C)

General options

 

Degree of protection

IP 31 to THL 15765, sheet 1

Class of protection

1

Mechanical strength

GOST 9763-67, the group IV

Test conditions:

 
shock test
6 ms duration shock
12 kg acceleration
the number of strokes in 1000
Duration of work

the device is adapted for continuous operation

Rate the product: NNB 103
Number of views: 3328
Product rating: 4.8
Number of grades: 347
* rating and all product statistics are updated once a month; information is current as of 19 April 2024

Photos: NNB 103

NNB 103 equivalent network image.

NNB 103 equivalent network image.

NNB 103 front view.

NNB 103 front view.

NNB 103 side view.

NNB 103 side view.

NNB 103 rear view.

NNB 103 rear view.

NNB 103 overhead view.

NNB 103 overhead view.

NNB 103 bottom view.

NNB 103 bottom view.

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