R4831 (R-4831) R4831 (R-4831) Store resistance R4831
4.9 63

Store resistance R4831 (R 4831, R-4831, p4831, p 4831, p-4831)

Designed to operate in DC as multivalued measures electrical resistance (MMES), as well as transition Two decade measure electrical resistance (MES Two decade) for measuring the resistance by substitution.
Display range as a measure of electrical resistance of 0.021 Ohm-111111, 1 Ohm
Rated power 0,001 W for decades 0.01 ohm, 0.01 W for the decade of 0.1 ohm, 0.05 W for decades 1 ohm or higher.
Accuracy class 0.02
 
Electrical measuring instruments
measures and boxes

Available in our warehouse:8 pcs от производителя.

Production under the order: any quantity.

Price

on request

  include VAT

-50%off factory price

Made in: 2021

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

Store resistance R4831 (R 4831, R-4831, p4831, p 4831, p-4831)

Designed to operate in DC as multivalued measures electrical resistance (MMES), as well as transition Two decade measure electrical resistance (MES Two decade) for measuring the resistance by substitution.
Display range as a measure of electrical resistance of 0.021 Ohm-111111, 1 Ohm
Rated power 0,001 W for decades 0.01 ohm, 0.01 W for the decade of 0.1 ohm, 0.05 W for decades 1 ohm or higher.
Accuracy class 0.02
 
Store resistance R4831 (R-4831) (hereinafter - Stores) intended for use in DC circuits as multivalued measure electric resistance (MMES), as well as transition Two decade measure electrical resistance (MES Two decade) for measuring the resistance by substitution.
Standard conditions for use store:
ambient temperature (20 ± 2) ° C;
relative humidity 25 to 80%;
atmospheric pressure (84-106.7) kPa [(630-800) mm Hg];
working - any.
Operating conditions store:
ambient temperature (20 ± 5) ° C;
relative humidity from 25 to 80% in the working temperature range;
atmospheric pressure (84 - 106.7) kPa [(630-800) mm Hg];
working - any.
 
Technical characteristics
Accuracy class store R-4831 when used as MMES 0.02/2.10-6. Store error when used as MEA Two decade depends on the accuracy of resistance coils used model, application conditions and the measurement time.
The range of indications for the use of the store as MMES R4831 - from the initial 111,111.10 0.021 ohm to 0.01 ohm ohm steps through the range of indications for the use of the store as MEA Two decade:
from 0.002 Ohm to 0.11 Ohm Steps through 0.001 Ohm
from 0.12 Ohm to 1.1 Ohm " 0.01 Ohm
from 1.2 Ohm to 11 Ohm " 0.1 Ohm
from 12 ohms to 110 Ohm " 1 ohm
from 120 Ohm to 1100 Ohm " 10 ohms
from 1200 Ohm to 11000 ohms " 100 Ohm
from 12000 ohms to 110,000 ohms " 1000 Ohm

Limit of acceptable deviation (δ n) the actual value of the resistance of the nominal value,%, calculated using the formula - δ=±(0,02+2·10-6·(Rk/R-1))%.
R K - the highest resistance value store, Ohm,
R - the nominal value of a resistor in ohms.
 
The deviation of the actual value of the nominal impedance for initial verification (when it is shipped from the manufacturer) does not exceed the value calculated by the formula (1) in the normal conditions of use, the steady-state thermal equilibrium and the power dissipation is not above par, the nominal current of the store when the R4831 decades "X0, the 1st" and "X0 01Om" no more than 0.3 A.
Maximum permissible error of δ as a percentage of the fiducial value within one year from the date of verification after production corresponds to the value calculated by the formula (1). Maximum permissible error vtechenii any year of operation (after the first year) corresponds to the set tolerances.
The limit of additional error caused by changes in ambient temperature (temperature) between the upper (lower) limit the range of normal conditions of use and by some point in the related field of application of the operating temperature corresponding to the maximum change in resistance corresponds to the value given to formula (1).
The limit of additional error R-4831 store as a percentage of the nominal value when the power dissipation of the face to any value that does not exceed the maximum capacity under normal conditions of use and steady-state thermal equilibrium does not exceed the value determined by the formula (1).
Rated power dissipation is one step, 0.001 W for decades 0.01 ohm, 0.01 W for the decade of 0.1 ohm, 0.05 W for decades 1 ohm or higher.
Maximum power dissipation is one step: 0,003 W for decades 0.01 ohm, 0.03 W for the decade of 0.1 Ohm, 0.1 W for the 1st decade or more. The relative error in the store (δm) in percent using it as a Two decade MES is defined as:
δМ=(n'RN1·(δN1+2δ01)+n''RN2·(δN2+2δ02)/n'RN1+n''RN2))+2·10-5Ʈ·(0,03Р+0,1∆t)%.
 
where n ', n " - number of resistors used in the first and second decades of the store, respectively;
  R N1, R N2 - nominal value of the resistance model of resistance coils, which is determined by the actual value of the resistance of resistors used in the first and second decades of the store, respectively, in ohms;
  δ N1, δ N2 - the relative error of the first and second exemplary resistance coils, respectively,%;
  δ 01, δ 02 - value of the error reference resistors used for verification of the first and second decades, respectively,%;
  τ - the measurement resistors decades (t ≤ 10 min);
  Δt - the highest value in absolute value changes in ambient air are used for verification of the first resistor and the second decades of the store, ° C.
  P - power dissipation of the most loaded resistor used decades, MW;

The average value of the initial resistance (R 0) Shop R4831 (ie the resistance during the installation of decade switches shop on zero evidence) does not exceed 0,021 ohms. The variation of initial resistance (ΔR 0) store, due to the change of the contact resistances of contacts switching devices does not exceed 0.0021 ohms. The insulation resistance (Riso) between the body and isolated dc circuits in the shop working conditions applying at least 5.10 9 ohms. Insulation between the body and insulated from the housing dc circuits R4831 store in the working conditions of application stand for 1 minute test voltage of 2 kV AC 50 Hz.
Overall dimensions do not exceed R-4831 store 370h220h190 mm. Mass magazine, kg, not more than unpacked - 5, in a shipping container - 20. The total content of non-ferrous metal product, kg
aluminum D16A - 0,175;
copper and copper-based alloys pas:
copper wire MM - 0.112;
Brophy bronze. 6,5-0,15 - 0,195;
brass L63 - 1.00;
brass LS59-1 - 0.56.

Photos: R4831 (R-4831)

R4831 (P4831) device image.

R4831 (P4831) device image.

R4831 (P4831) front view.

R4831 (P4831) front view.

R4831 (P4831) side view.

R4831 (P4831) side view.

R4831 (P4831) overhead view.

R4831 (P4831) overhead view.

R4831 (P4831) bottom view.

R4831 (P4831) bottom view.

LLC «Zapadpribor» - a huge selection of measuring equipment for the best value and quality. So you can buy inexpensive devices, we monitor competitors' prices and are always ready to offer a lower price. We only sell quality products at the best prices. On our site you can buy cheaply as the latest innovations and proven equipment from the best manufacturers.

 

The site includes a special offer «buy at the best price» - if other Internet resources (bulletin board, forum or announcement of another online service) in products presented on our site, the lower price, we will sell it to you even cheaper! Buyers also additional discount for leaving a review or photo of use of our products.

 

In the price list contains not the whole range of products offered. Prices of goods, not included in the price list can learn to contact the manager. Also, our managers You can get detailed information about how cheap and profitable to buy instrumentation wholesale and retail. Telephone and e-mail for advice on the purchase , delivery or receipt are shown on the description of the goods. We have the most qualified staff, quality equipment and the best price.

 

LLC «Zapadpribor» - the official manufacturer's dealer test equipment. Our goal - selling high quality goods with best price offer and service to our customers. Our company can not only sell you the necessary instrument, but also offer additional services to its calibration, repair and installation. That you have a pleasant experience when shopping on our site, we have provided special gifts guaranteed to the most popular products.

 

We also provide such metrological procedure: calibration, tare, graduated, testing of measuring instruments.

 

The company takes an active part in such procedures as electronic bidding, tender, auction.

 

If there is no site in the descriptive information you need on the device you can always turn to us for help. Our qualified managers will update for you on the technical characteristics of the device from its technical documentation: user manual, certificate, form, operating instructions, diagram. If necessary, we will take a photo of your device, or a device stand. You can leave feedback on the unit purchased from us, the meter, the device, indicator, or product. Your review for your approval will be published on the site without contact information.

Description of the instruments taken from the technical documentation or technical literature. Most pictures of products made directly by our experts prior to shipment of goods. In the description of the device provided the main technical characteristics of the instrument: nominal measuring range, accuracy class, scale, supply voltage, size (size), weight. If the site you see the discrepancy device name (model) specifications, photo or documents attached - let us know - you will get a useful gift with-selling device.

While the need to clarify the overall weight and size or the size of the individual meter you can in our service center. If you need our engineers will help you choose the most complete analog or a suitable replacement for the device you are interested. All counterparts and replacement will be tested in one of our laboratories with the full compliance to your requirements.

In the technical documentation for each device or product, information is provided on the list and amount of precious metals content. The documentation gives the exact weight in grams of precious metals: Au gold, palladium Pd, platinum Pt, silver Ag, tantalum Ta and other platinum group metals (PGM) per unit item. These precious metals are found in nature in very limited quantities and therefore have such a high price.

On our website you can familiarize yourself with the technical characteristics of devices and obtain information on the content of precious metals in devices and radio components manufactured in the USSR. We draw your attention to the fact that often the actual content of precious metals differs by 10-25% from the reference one in a smaller direction! The price of precious metals will depend on their value and mass in grams.

All text and graphic information on the site is informative. The color, shade, material, geometric dimensions, weight, content, delivery set and other parameters of the goods presented on the site may vary depending on the batch of production and year of manufacture. Check with the sales department for more information.

If you can make repairs to the device yourself, our engineers can provide you with a complete set of necessary technical documentation: circuit diagram TO, ER, FD, PS. We also have an extensive database of technical and metrological documents: technical specifications (TS), the terms of reference (TOR), GOST (DSTU), the industry standard (OST) test procedure, the method of certification, verification scheme for more than 3,500 types of measuring equipment from the manufacturer this equipment. From the site you can download all the necessary software (the software driver) is required for the product purchased.

Our company carries out repairs and maintenance of measuring equipment in more than 75 different factories of the former Soviet Union and CIS.

We also have a library of legal documents that are related to our field of activity: the law, code, ordinance, decree, temporary position.