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R3026/2

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80 000 UAH
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Measure R3026/2 of electrical resistance of the DC multivalued (R 3026/2, R-3026/2)

It is intended for use as a control measure resistance in DC circuits.

Provides the resistance value with a 7 decadal switches from 0.01 ohms to 111,111.1 ohms.
Accuracy class 0,005
Measure R3026/2 of electrical resistance of the DC multivalued (MMER) Class 0,005 intended for use as a control measure resistance in DC circuits. MMER intended for delivery to areas with a tropical climate, should be marked: R3026-1 04.1 *; R3026 -2 * 04.1.
Technical data
MMER R3026/2 are designed for operation under the conditions shown in Table 1.
 
Table 1
Designation MMER Terms of use
Normal Labor
Temperature, ° C Relative humidity in% Temperature, ° C The relative
Ordering humidity,%
R3026/2 20 ± 0,5 60 ± 20 20 ± 5 From 25 to 80 and temperature range

MMER R3026/2 provide the resistance value by 7 ten-day switches from 0.01 to 111,111.1 ohms.
Accuracy class MMER R3026/2:
R3026-2 - 0.005 / 1.5 × 10 -6, and in one embodiment the.
Composition decades, Ohm:
1 decade - 10x10000
2nd decade - 10x1000
3rd decade - 10x100
4 decade - 10x10
5 decade - 10x1
6 decade - 10x0, 1
7 decade - 10x0, 01
The nominal and maximum power dissipation at the level of the first ... fifth decades are shown in Table 2.
 
Table 2.
Characteristic Value
The resistance stage, Ohm 10000 to 1
Rated power dissipation per stage 0.01 W
Maximum power dissipation at the level 0.05 W

Rated power dissipation for decades 10x0, 1 and 10x0, 01 MMER R3026/2 all classes of accuracy is 0.01 W, and the maximum - 0.1 watts. The average value of the initial resistance R0 MMER R3026-2, ie resistance during the installation of the switches on the decadal zero readings, measured from terminals 111,111.1 ohms does not exceed 0.01 ohms. The variation of initial resistance ΔR 0 does not exceed 0,001 ohms. Termokontaktnaya emf in the measuring circuit unloaded MMER R3026/2 under normal conditions of use and installation of all decades MMER R3026-2 zeros is less than 5 mV. Normalized values ​​for insulation resistance and dielectric strength MMER R3026/2 are shown in Table 3.
 
Table 3.
The testing circuit Designation MMER The connection point Normalized value
first The second Resistance
the insulation, Ohm, not less
Specifications Test-
SAL voltage, kV
R3026/2 United circuited terminals "111111.1 Om" Clip «╧» 2 · 10 10 1.5

Limit of acceptable deviation of the actual value of δ resistance MMЄS a percentage of the nominal is given by:
(2.1)
where R - the nominal value of a resistor in ohms.
Permissible change in resistance MMER R3026/2 δ n percentage for the year (instability) does not exceed the values ​​defined by the formulas given in Table 4.
 
Table 4.
Designation MMER Formula
R3026-2

where R - the nominal value of a resistor in ohms.
The limit of additional error δ t MMER R3026/2, expressed as a percentage of the nominal resistance is included, with changes in the power dissipation of the face to any value that does not exceed the maximum power under normal conditions of use and the establishment of the state of thermal equilibrium, equal to the values ​​determined by Table formulas. 4.
The limit of additional error MMER R3026/2-induced changes in ambient temperature between the upper (lower) limit of the normal range of temperature conditions and the upper (lower) value of the operating temperature of application is numerically equal to the value determined by the formulas Table 4.
Dimensions MMER R3026/2 is not more than 485x250x240 mm.
Mass MMER R3026/2 does not exceed 11 kg.

Photos Р3026-2

R3026-2 (P3026-2) device image.
R3026-2 (P3026-2) device image.
R3026-2 (P3026-2) front view.
R3026-2 (P3026-2) front view.
R3026-2 (P3026-2) side view.
R3026-2 (P3026-2) side view.
R3026-2 (P3026-2) rear view.
R3026-2 (P3026-2) rear view.
R3026-2 (P3026-2) overhead view.
R3026-2 (P3026-2) overhead view.
R3026-2 (P3026-2) bottom view.
R3026-2 (P3026-2) bottom view.


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