Каталог приборов
+7 (3952) 719-148
ООО «СКБ ЭП»

Address: Lermontov Str., 130, Off. 226, Irkutsk, Russia, 664033

Main site of «SKB EP», LLC: www.skbpribor.ru

+7 (3952) 719-148

skb@skbpribor.ru

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MIKO–7 MIKO-7
with advanced function
MIKO-8
Price of a standard set (ex. VAT), RUR 59 750,00 104 606,00 144 350,00
Field of application (measurement of electric resistance)
Power transformer windings


Windings of current and voltage instrument transformers
(≤ 1 kOhm)

(≤ 1 kOhm)

(≤ 10 kOhm)
Windings of electric magnets and motors


Equalizing, current-limiting and other resistors of high-voltage circuit-breakers


Contacts and contact connections of power and alarm circuits


Cables


In-place check of transformer LTCs
Performances
Range of measurement 10 mkOhm ÷ 1 kOhm 10 mkOhm ÷ 1 kOhm 10 mkOhm ÷ 10 kOhm
Amperage 0.0014 ÷ 10.0 A 0.0014 ÷ 10.0 A 0.0014 ÷ 10.0 A
Error of electric resistance measurement ±0,1% ±0,1% ±0,1%
Working temperature −25 ÷ +40ºС −25 ÷ +40ºС −20 ÷ +40ºС
Protection from:
self-inductance emf


instrument current surge


voltage reversal at the battery cables ends


overheating


Display Four-line alphanumeric display Four-line alphanumeric display Large color graphic TFT display 5.7” 640x480
Power supply from the external battery supply from the external battery supply from the external battery
Shock-proof  case case case
Size 270×250×130 mm. 270×250×130 mm. 270×250×130 mm.
Weight 3,2 kg 3,2 kg 3,2 kg
Instrument functions
Automatic determination of and setting the required instrument current


Mode of automatic measurement of inductive load (the instrument automatically detects the moment of resistance determination and stops the measurements)

Specialized mode of measuring the electric resistance of power transformer windings with LTC

Additional computation functions
Automatic computation of relative deviations of electric resistance of three-phase windings from one another

Automatic conversion of linear electric resistance of 'delta' or 'star' connected windings into electric resistance of phase windings

Automatic conversion of electric resistance of windings measured at current temperature into electric resistance at passport temperature (with account of the winding material)

Automatic computation of deviations of measured and reduced to passport temperature values of electric resistance of windings versus passport values of resistances

Automatic computation of winding temperature versus its passport value of electric resistance and passport temperature

Archive of measurements in the instrument

Instrument control using PC

Software for PC
Systematization and storage of the results on PC

Preparation of a report

In-place check and express diagnosis of LTC state at any weather conditions without removing the contacts box cover
Construction of the assessment diagram and analysis of curves of the measured facility right on the instrument
Determination of fault location in LTC: e.g., determination of the break in current-limiting resistors, poor contact of a selector, etc.
Compensation of errors due to external emf
Ability to connect extended potential contacts


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