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UIM UIM-90, User Manual

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UIM UIM-90 User Manual Download Page 23

UIM-90 (221) 
UIM-90 (221/В) 
UIM-90 (221/Р) 
UIM-90 (221/ВР) 

 

 

 

24 

 

Parameter

 

Range of 

values 

Leap 

Information displayed on 

the LCD display 

Time/Minutes 

00 – 59 

1 

 

Time/Hours 

00 – 23 

1 

 

Date/Day 

01 – 31 

1 

 

Date/Month 

01 – 12 

1 

 

Date/Year 

20ХХ 

1 

 

 

To save the settings simultaneously press and hold pressed (till the sound 

beep) buttons 

 and

 

, the LCD display will show: 

, 

press and release the button 

 – if all required settings are set. 

Summary of Contents for UIM-90

Page 1: ...1 UIM 90 221 UIM 90 221 UIM 90 221 UIM 90 221 OIL TESTER UIM 90 USER MANUAL...

Page 2: ...Safety requirements 11 3 Preparation of the Oil tester for first use 11 4 Operating procedure 13 4 1Dielectric sample preparation 13 4 2 Testing in accordance with the requirements of IEC 60156 2018 1...

Page 3: ...1 The purpose of the Oil tester is measuring the breakdown voltage of transformer oil and other insulating liquids dielectric in accordance with the specified algorithm according to the requirements o...

Page 4: ...ester operates retaining its design and parameters during and af ter exposure to external influencing factors Extreme values of factors Extreme conditions External influencing factor Operating conditi...

Page 5: ...Remote control activating rod power supply cable Control panel of the Oil tester power switch green LED indication of switching on the Oil tester red LED indicator which indicates high voltage supply...

Page 6: ...UIM 90 221 UIM 90 221 UIM 90 221 UIM 90 221 7 General view of the Oil tester Control panel Remote control Rear panel...

Page 7: ...cable 1 Grounding wire 1 Cell 1 Partially spherical electrodes 2 Activating rod 1 Reference caliber 1 Stick for manual stirring 1 Remote control 1 Jumper 1 Fuse 2A 1 Round wrench 1 Bluetooth adapter 1...

Page 8: ...ver of the generator unit Test voltage from the generator unit is output by means of two high voltage terminals on which the cell is installed To control the gap between the electrodes in the cell a r...

Page 9: ...l of the Oil tester 1 5 Packing 1 5 1 The Oil tester is packaged in transportation crate which prevents socks and damages during transportation and storage 1 5 2 Before packing the Oil tester in the t...

Page 10: ...grounded with groundingwire 3 Preparation of the Oil tester for first use 3 1 Preparation of the Oil tester When preparing the Oil tester for the first use it is necessary to take the Oil tester out o...

Page 11: ...ar panel of the Oil tester connect it to the mains and set the power switch in position I and charge the built in battery 3 2 Preparation of the cell When preparing a cell for the first use it is nece...

Page 12: ...r is gently agitated and turned over several times in such a way as to ensure as far as possible a homogeneous distribution of the impurities contained in the liquid without causing the formation of a...

Page 13: ...ed lid on test compartment 3 both 1 and 2 c mount the cell with insulating liquid dielectric on high voltage termi nals inside the test compartment Immerse activating rod to the bottom of the cell Clo...

Page 14: ...e according to IEC If the value of the applied voltage exceeds 90 kV the voltage rise will stop and a message will appear on the LCD display After the button is pressed the LCD display will show the R...

Page 15: ...alue u and the coefficient of variation V After the report is printed out the LCD display will show the test results If coefficient of variation V does not exceed 20 then test results are considered r...

Page 16: ...e cell close the lid and press the button Oil tester will perform additional set number of breakdown tests and calculate the mean breakdown value Ubrk standard error value u and the coefficient of var...

Page 17: ...ults press and release buttons or the LCD display will show following info 5 mean breakdown value Ubrk 6 standard error value u 7 coefficient of variation V 8 values of breakdown voltages U 1 U 6 resp...

Page 18: ...nd release the button i open the test compartment lid remove the cell j to conduct the next test prepare the sample in according to paragraph 4 1 and repeat steps c to i of paragraph 4 2 If the tests...

Page 19: ...old pressed till the sound beep buttons and to select the appropriate parameter press and release the button or To change the appropriate parameter press and release the button or Parameter Range of v...

Page 20: ...se button the LCD display will show if parameter Tsf set is greater than zero after which a warning will appear and a red LED indicator will light up and then inscription U 1 kV where XX X changing va...

Page 21: ...ne 2 the parameter Number of break N is set greater than one d repeat steps f to h of paragraph 4 2 to view the test results e open the test compartment lid remove the cell f to conduct the next test...

Page 22: ...nge the appropriate parameter press and release the button or Parameter Range of values Leap Information displayed on the LCD display IEC settings to set the test parameters in accordance with the req...

Page 23: ...layed on the LCD display Time Minutes 00 59 1 Time Hours 00 23 1 Date Day 01 31 1 Date Month 01 12 1 Date Year 20 1 To save the settings simultaneously press and hold pressed till the sound beep butto...

Page 24: ...ned at a given number of N series breakdowns kV 4 5 2 The value of the standard error u of mean breakdown value is calcu lated by the formula 1 N N U U i N 1 i 2 u brk 2 4 5 3 Value of breakdown volta...

Page 25: ...lating surface of high voltage terminals and the test com partment lid from dust with a dry serviette c remove the side left and rear cover of the Oil tester and blow the in terior especially under th...

Page 26: ...gnetic interference 2 Increase the distance be tween Oil testers which work simultaneously 3 The Oil tester with built in Bluetooth adapter works but the test results are not displayed on the PC 1 The...

Page 27: ...7 6 3 yes 4 Checking the relative voltage measure ment error 7 6 4 yes yes 7 2 Verification facility 7 2 1 During the Oil tester verification it is necessary to use measuring instruments Paragraph Na...

Page 28: ...necessary elements of connections 7 5 2 Prepare measuring instruments for verification to work in accordance with the requirements of the operational documentation 7 6 Verification performing 7 6 1 Vi...

Page 29: ...d voltage is not higher than 30 kV open the test compartment lid at an angle of approximately 30 to 40 Ensure that increasing of the high voltage is stopped the red LED indicator turns off and the LCD...

Page 30: ...stance of power circuits with respect to the case 7 6 3 1 To check the insulation resistance of power circuits with respect to the case it is necessary to a connect the power supply cable to a socket...

Page 31: ...the side left and rear cover of the Oil tester Pull out the lid lock connector X4 and insert the jumper see Figure 1 Connect the Remote control to X2 socket see Figure 2 c connect the clamp to a prote...

Page 32: ...e out the Remote control and the power cord plug beyond the security fence i close the door of protective fencing j connect the power supply cable to the power network through LATR type AOSN 2A 220 by...

Page 33: ...age meter with the help of variable resistor R17 see Figure 2 r repeat the steps f to p s repeat the steps f to r for voltages 0 2 0 25 10 0 2 0 25 15 0 2 0 25 20 0 2 0 25 25 0 2 0 25 35 and 0 2 0 25...

Page 34: ...mposition of the Commission committee the date of verification the conditions of verification the list of measuring instruments the results of visual inspection the results of measurements the results...

Page 35: ...limatic conditions influence the Oil tester storage condi tions conform to the ones of class C2 IEC 870 2 2 1996 Storage facilities should be exempted of any acid and other harmful impurities causing...

Page 36: ...1...

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