N395 N395 Wattmeter N395, N395 varmeter self-recording shield
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Wattmeter N395, N395 varmeter self-recording shield (N-395, N 395, h 395, h -395, h 395)
Designed to measure and record the value of continuous active or reactive power in networks of three-phase 50 Hz without neutral with non-uniform load phases. P ribory designed for use in enclosed dry heated rooms at an ambient temperature of 10 ° to 35 ° C and 80% relative humidity at 25 ° C.

Electrical measuring instruments
analog panel meters

Available in our warehouse:26 pcs от производителя.

Production under the order: any quantity.

Price

on request

  include VAT

-50%off factory price

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. 

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

Wattmeter N395, N395 varmeter self-recording shield (N-395, N 395, h 395, h -395, h 395)
Designed to measure and record the value of continuous active or reactive power in networks of three-phase 50 Hz without neutral with non-uniform load phases. P ribory designed for use in enclosed dry heated rooms at an ambient temperature of 10 ° to 35 ° C and 80% relative humidity at 25 ° C.

 

Wattmeter N395, N395 varmeter self-recording shield designed to measure and record the value of continuous active or reactive power in networks of three-phase 50 Hz without neutral with non-uniform load phases.

 

Under the terms of operation of the devices are designed to work in dry heated rooms at an ambient temperature of 10 ° to 35 ° C and 80% relative humidity at 25 ° C.
Wattmeter N395, N395 varmeter self-recording shield is exported to countries with tropical climates, are designed to operate at an ambient temperature of 5 to 50 ° C and relative humidity 95% at 30 ° C in closed rooms without sharp changes in temperature, solar radiation, rain and dust . Perhaps the action of fungi and other biological factors. In this factory product designation must be supplemented by the letters "T4.2".
Technical data
Rated power factor wattmeter cos φ = 1 for varmeter sin φ = 0,8. Maximum permissible error of the instrument to measure and record the measured value is equal to ± 1,5% of full scale range.
Limit of allowable total error N395 device on record the measured value is equal to ± 1,5% of full scale range. Maximum permissible error on the recording time is ± 0,5%. Limit of additional error device to measure and record the measured value, due to changes in ambient temperature from normal to any temperature between 10 and 35 ° C is ± 1,5 % for every 10 ° C change.
The limit of additional error N395 device to measure and record the measured value caused by a deviation from the normal frequency by ± 10%, equal to ± 1,5%. The limit of additional error device to measure and record the measured value under the influence of an external uniform magnetic field with induction of 0.5 mT, formed by alternating current sinusoidally time-varying, is ± 0,5%.
The limit of additional error N395 device to measure and record the measured value, due to changes in device position from the normal position in any direction by ± 5 °, equal to the limit of permissible basic error.
Failure to return the device N395 writing device to record the zero line of 1.5 mm. The discrepancy between the zero line indicated on the chart tape timer, with a line of records obtained when the pointer to the zero mark of the scale, not more than 0.75 mm.
The line width of recording up to 0.7 mm. Write the results produced in ink on the ribbon diagram in rectangular coordinates, the width of the working part of the diagram tape - 100 mm. Ink, contains ink tank provides a continuous record of the testimony on the chart tape for at least 30 days.
Diagram for the drive belt used synchronous motor powered by an AC 50 Hz 220 V. On the customer devices N395 national version can be made ​​with the engine power from the AC mains frequency of 60 Hz.
N395 devices have six travel speed chart tape 20, 60, 180, 600, 1800, 5400 mm / h, which are set by changing a couple of gears.
Insulation between the housing unit and N395 all isolated dc circuits (except timer circuit) under normal conditions of use in stand for 1 min test voltage AC 50 Hz, which is the effective value of 2 kV.
Insulation between the housing unit and isolated from the N395 has a DC voltage circuit timer stand for 1 min test voltage AC 50 Hz, RMS is 0.5 kV.
The insulation resistance between the case and insulated from any DC voltage circuit N395 device under normal operating conditions at least 40MOm. Overall dimensions do not exceed 160h172h360 mm flange size of 160x160 mm. Unit weight does not exceed 7.5 kg.

Photos: N395

N395 (H3022K) front view (scale).

N395 (H3022K) front view (scale).

N395 (H395) side view (casing depth).

N395 (H395) side view (casing depth).

N395 (H395) rear view (connection).

N395 (H395) rear view (connection).

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