TENTECH MD1035x Manuel utilisateur
Formato: 137mm x 190mm
P. 31
P. 03
Manual de uso
Megóhmetro digital
Digital insulation tester User guide
TENTECH CORPORATION
7330 NW 66th ST - Miami, FL 33166
Phone: +1 305 938 0389 / Fax: +1 786 401 7165
www.tentech.com
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MD1035x
1 kV digital insulation tester
User guide
GU-1564
©TENTECH. All rights reserved.
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Safety warnings
• Before to use this i strume t the User guide a d Safety war i gs must be read
a d u derstood.
• Safety procedures a d rules for worki g ear high voltage e ergized systems
must be observed duri g the use of this equipme t. The ge erated voltages may
be da gerous.
• Do ot co ect or disco ect the test leads duri g the measureme t.
• Do ot touch the test leads before the high voltage i dicator tur -off.
• Be careful ot to make short-circuit betwee the high voltage termi als a d the
“R” or “Guard” termi als while a measureme t is ru i g, because it could be
da gerous for the operator.
• Be sure that there are ot a y voltage differe ce betwee the poi ts to which the
equipme t will be co ected to, either betwee them a d grou d.
• The pa el, termi als a d co ectors of the equipme t must stay dry a d clea .
This equipment should be used only by a trained and ompetent
person, stri tly applying suitable safety rules.
Used symbols
Cautio , risk of electric shock.
Cautio , refer to User Guide.
Battery
Pri ter
Voltmeter
Equipme t complies with curre t EU Directives.
The rubbish bi with a li e through it mea s that i the Europea U io ,
the product must u dergo selective disposal for the recycli g of electric
a d electro ic material, i complia ce with Directive WEEE 2002/96/EC.
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Index
1. Descriptio ......................................................................................................... 6
2. Co trol pa el fu ctio s ...................................................................................... 7
2.1. Co ectio s a d pa el items ...................................................................... 7
2.2. Keyboard .................................................................................................... 8
2.3. I dicators .................................................................................................. 10
2.3.1. Display ............................................................................................... 10
2.3.2. A alog bargraph ................................................................................. 10
2.3.3. Built-i chro ometer ........................................................................... 11
2.3.4. Real time clock ................................................................................... 11
2.3.5. Test umber ....................................................................................... 11
2.3.6. Model a d serial umber .................................................................... 11
2.3.7. High voltage i dicator ......................................................................... 11
3. Power supply ................................................................................................... 12
3.1. Battery status check .................................................................................. 12
3.2. Battery charger ......................................................................................... 13
4. Co ecti g the equipme t ............................................................................... 14
4.1. Usi g the Guard termi al .......................................................................... 15
5. Test setti gs .................................................................................................... 16
5.1. Test voltage setti gs ................................................................................. 16
5.2. “TIMER” Mode .......................................................................................... 17
5.3. “Pass / Fail” Test mode ............................................................................. 18
6. How to perform tests ........................................................................................ 19
6.1. Polarizatio i dex (PI) ............................................................................... 20
6.2. Dielectric Absorptio I dex (DAI) .............................................................. 20
7. Other fu ctio s ................................................................................................ 21
7.1. Filter.......................................................................................................... 21
7.2. Voltmeter .................................................................................................. 21
7.3. Hold .......................................................................................................... 22
7.4. I ter al memory ........................................................................................ 22
7.5. Auto power-off........................................................................................... 22
8. Software .......................................................................................................... 23
8.1. USB Drivers .............................................................................................. 23
8.1. T-Logger software ..................................................................................... 23
9. Pri ter (optio al) .............................................................................................. 24
10. Tech ical specificatio s ................................................................................. 25
11. Applicatio ote 32 ........................................................................................ 27
12. Warra ty ........................................................................................................ 30
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1. Des ription
The TENTECH MD1035x is a smart, microprocessor-co trolled, 1 kV
i sulatio tester. Besides the co ve tio al measureme t of i sulatio
resista ces up to 1 TΩ, its adva ced features allow to automatically
measure both the Polarizatio I dex a d Dielectric Absorptio I dex.
This i sulatio tester is portable, battery-powered equipme t. Test
voltage may be chose from 100 V to 1 kV i 50 V i creme ts. Due to its
measureme t pri ciple (actual voltage a d curre t readi gs) the accuracy
of resista ce measureme t is ot affected by a y test voltage error.
The built-i chro ometer automatically cou ts the elapsed time si ce the
start of measureme t. Measured values are tra smitted through the data
output (USB). Furthermore, the measured values are stored i a o -
volatile i ter al memory. Up to 4000 measureme ts may be stored, to be
tra sferred afterward to a computer ru i g the T-Logger program. This
software allows a further a alysis of the test results, i cludi g a graphical
represe tatio a d automatic report ge eratio . The real time clock a d
cale dar a d the seque tial test umber facilitates the ide tificatio of
each test, a d the orga izatio of a predictive mai te a ce system by
tre d a alysis.
Some other adva ced features are useful to ru the most sophisticated
i sulatio a alysis. Co figurable Pass-Fail a d timed measureme ts are
automatically performed, with a very simple a d user-frie dly setup. The
measureme t parameters are stored i the o -volatile memory for a
easy co figuratio .
The cabi et is stro g a d lightweight, easy to carry, impact-resista t a d
suitable to be used u der severe weather co ditio s. Thus the i sulatio
tester supplies very reliable a d accurate measureme ts both i
laboratory a d out i the field.
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2. Control panel fun tions
2.1. Conne tions and panel items
Voltage output termi al (-V)
Zero referen e termi al (+R)
Guard termi al (G)
Display
Keyboard
USB i terface
Power supply input
Paper feed co trol (optio al pri ter)
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2.2. Keyboard
Button
Fun tion LED
O /Off switch. -
It activates the filter that mi imizes exter al
oise i terfere ce.
I dicates filter fu ctio
is o .
It shows the battery charge status o the
display.
I dicates that the
battery charger is i
operatio .
Whe activated, it allows to select the test
voltage.
I dicates V TEST key
o
Fast selectio of 100 V test voltage. 100 V test voltage.
Fast selectio of 250 V test voltage. 250 V test voltage.
Fast selectio of 500 V test voltage. 500 V test voltage.
Fast selectio of 1000 V test voltage. 1000 V test voltage.
Whe activated, it allows to program the
duratio of the test.
I dicates TIMER key
o .
Whe activated, it allows to program the limit of
the “Pass-Fail test”.
I dicates LIM fu ctio
is o .
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Tur s O /Off the pri ti g of the measured
values o the pri ter (optio al pri ter).
The pri ter is o .
I crease the value that is bei g programmed. -
Decrease the value that is bei g programmed. -
Starts the test. I dicates that a test is
bei g carried out.
Displays the actual voltage applied. -
Holds the last readi g o the display. Hold fu ctio is o .
It displays the calculated value as the result of a
Polarizatio I dex (PI). -
It displays the calculated value as the result of a
Dielectric Absorptio I dex (DAI). -
E d of test. -
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2.3. Indi ators
2.3.1. Display
Alpha umeric LCD where the test umber, measureme t results, the
measuri g u it, the time i dicatio (i mi utes a d seco ds), the a alog
i dicatio by mea s of a bargraph a d messages to the operator are
displayed.
2.3.2. Analog bargraph
Duri g a measureme t, the operator must observe at the higher part of
the bargraph, where the measured values are displayed. The bargraph
shows the gradual variatio of the i sulatio resista ce value. The
bargraph scale is logarithmic, by decades, however, to make the readi gs
easier, it is li ear i side the segme t which represe ts each decade. The
followi g figure allows to visualize this co cept:
The bigger marks are the begi i g of each decade (1 MΩ - 10 MΩ -
100 MΩ - etc). Betwee 10 MΩ a d 100 MΩ there are 3 i termediate
i dicatio s which correspo ds to 25 MΩ - 50 MΩ - 75 MΩ. The same
co cept ca be applied to the others decades.
To check the battery charge status, the operator must observe the lower
part of the bargraph. Keep pressed the butto , the bargraph will
i dicate the remai i g perce tage of the battery charge.
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2.3.3. Built-in hronometer
It features the elapsed time (i mi utes a d seco ds) si ce test voltage is
applied.
2.3.4. Real time lo k
It has a real time clock with date, hours a d mi utes i dicatio , to make
ide tificatio of tests recorded i paper or i memory easier.
2.3.5. Test number
Tests are automatically umbered by the equipme t to make their
ide tificatio easier. The test umber is pri ted at the begi i g of each
test a d it is stored i memory.
2.3.6. Model and serial number
At the begi i g of each test, the equipme t model, as well its serial
umber, are registered, maki g it possible to relate the obtai ed results
with their respective equipme t Calibratio Certificate.
2.3.7. High voltage indi ator
A light i dicator war
s the occurre ce of high voltage o the
output termi al duri g the measureme t a d keeps lit u til the
dischargi g process has bee completed.
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