Electrical measuring instruments >> measuring sets

K507

28 999 RUB
10 150 UAH
available:
7 pieces

Online prices include VAT.

For order is possible effectively delivery of any quantity.
The device (measuring kit) K507 (K 507, K-507)
The device (measuring kit) K507 is designed for calibration of differential-null method of measuring current and voltage transformers of accuracy class of 0.05, 0.1, 0.2, 0.5, 1, 3, 10 with rated secondary currents of 1A, 2A, 2 5A and 5A and the nominal secondary voltages of 100V, 150V and 200V active and reactive components of impedance and admittance to the transformer secondary circuit being checked at a frequency of 50 Hz.

The device (measuring kit) K507 designed for testing differential-null method of measuring current and voltage transformers of accuracy class of 0.05, 0.1, 0.2, 0.5, 1, 3, 10 with secondary nominal currents of 1, 2, 2 , 5 and 5 A and the nominal secondary voltages of 100, 150 and 200 in the active and reactive components of impedance and admittance to the transformer secondary circuit being checked at a frequency of 50 Hz. device makes it possible to measure the K507 in the process of checking transformers proactive and reactive components of impedance and admittance of transformer secondary circuit being checked.

The device (measuring kit) K507 can be used as a rectangular-coordinate potentiometer to measure AC voltages up to 5 mV.
The device (measuring kit) K507 are manufactured for use in enclosed dry heated rooms at an ambient temperature of +10 to +85 ° C and a relative humidity of 80% (lie temperature of +30 ° C).

TECHNICAL SPECIFICATIONS AND FEATURES
Limits of measurement errors in the calibration of instrument transformers and the limits permitted by the basic errors of the device are shown in Table K507. 1

Table 1.
Marking the span The limit of measurement error Maximum permissible error of the machine K507 in secondary currents of current transformers from 0.5 A up to 6A and secondary voltage from 50V to 240V
current and voltage,% corner, min
current and voltage,% corner, min
0.1 ± 0,1

- 3.5

+ 6.5
± 0,001 ± 0,1
0.3 ± 0,3

- 10

+ 20
± 0,003 ± 0,3
1 ± 1

- 35

+ 65
± 0,01 ± 1
3 ± 3

- 100

+ 200
± 0,03 ± 3
10 ± 10

- 350

+ 650
± 0,10 ± 10
 
NOTE. When current from 0.1 to 0.5 A at voltages i from 20 to 50V allowable error values ​​at all K507 apparatus within the measurement twice specified in Tables 1, 2 and 3.
The limits of resistance measurement and the limits of permissible errors in the measurement apparatus K507 resistance in the process of checking the current transformers are shown in Table 2.
 
Table 2.
Designation of the span The limit of measurement components of the resistance in ohms Maximum permissible error of the machine K507 in secondary currents of current transformers from 0.5 A to 6 A, Ohm
active Reactive
0.3 0.3 0.6 ± 0,005
1 1 2 ± 0,02
3 3 6 ± 0,05
10 10 20 ± 0,2
30 30 60 ± 0,5
100 100 200 ± 2
Conductivity measurement range and limits of permissible errors apparatus K507 conductivity measurement in the process of checking the voltage transformers are indicated in Table 3.

Table 3.
Designation of the span The limit of measuring the components of the conductivity, D Maximum permissible error of the machine K507 with secondary voltages from 50 V to 240 V, D
active Reactive
Capacitive Inductive
3 × 10 -4 3×10 -4 6 × 10 -4 3 × 10 -4 ± 0,5 · 10 -5
10 × 10 -4 10×10 -4 20 × 10 -4 10 × 10 -4 ± 2 × 10 -5
30 × 10 -4 30×10 -4 60 × 10 -4 30 × 10 -4 ± 5 × 10 -5
100 × 10 -4 100×10 -4 200 × 10 -4 100 × 10 -4 ± 20 × 10 -5
300 × 10 -4 300×10 -4 600 × 10 -4 300 × 10 -4 ± 50 × 10 -5
           
Limits of stress measurement using the apparatus K507 as a rectangular-coordinate potentiometer AC are:
up to 5 mV - at an operating current of 5A;
to 2.5 mV - at an operating current of 2.5 A;
up to 2 mV - at an operating current of 2A;
up to 1 mV - at an operating current of 1A;
to 3mV - with an operating voltage 200V;
to 1.5 mV - 100 V operating voltage.
Output accuracy K507 apparatus for measuring the voltage does not exceed ± 2% of full scale in-phase component of the voltage at rated operating current (voltage).
Rated current range for unit K507 calibration of instrument transformers from 20 to 120% of rated current. Nominal voltage range of the device at K507 calibration of instrument transformers, voltage from 20 to 120% of rated voltage.
Output accuracy multimeter does not exceed 0.5% of the final value of the working part of the scale. Operating multimeter when measuring the current from 10 to 40% and from 20 to 120% of rated current. Operating multimeter measurement voltage of 20 to 120% of the rated current.
Triggering alarms confusion of:
for verification of current transformers 1-2 A
for verification of voltage transformers 45-70 V.
Nulindikatora normal range of frequencies from 30 to 61 Hz. Selectivity nulindikatora on the third harmonic of not less than 60 dB. A range of voltages input nulindikatora causing deviation pointer 100 and 10% of the maximum value of no more than 35 dB.
The sensitivity of the device with a built-K507 nulindikatorom not less than 10 mm of its scale detuning balanced circuit included for testing transformers, 0.005% counted at the limit of measurement of 0.1% at a current in the secondary circuit under test and a model of the current transformer is equal to 0, 1 A.
Nulindikatora Power is provided by an AC voltage of 220 V at 50 Hz. Power consumed nulindikatorom, no more than 10 V • A. Overall dimensions 710 x 480 x 240 mm. Weight to 24 kg

Photos: K507

K507 apparatus image.
K507 apparatus image.
K507 panel view.
K507 panel view.
K507 apparatus image with the closed lid.
K507 apparatus image with the closed lid.
K507 front view.
K507 front view.
K507 side view.
K507 side view.
K507 rear view.
K507 rear view.
K507 overhead view.
K507 overhead view.
K507 bottom view.
K507 bottom view.


Яндекс цитирования