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Telco KE2500, Operating Manual, Page: 2 / 24

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Telco KE2500 Operating Manual Download Page 2

KURTH ELECTRONIC       www.kurthelectronic.de      [email protected]

Operating Manual

KE2500

 

Telco Multimeter

Keyboard / display / connections

2

BATT

CHRG

KE2500

T

elco Multimeter

F1

F2

F4

F3

0

*

#

1

2

3

ABC

DEF

4

5

6

GHI

JKL

MNO

7

8

9

PQRS

TUV

WXYZ

ESC

SEL

ON

OFF

A

B

E

-

+

Test leads

n

  Wire A  

red 

n

  Wire B  

green

 

n

  Ground E  

black

 

Graphic LCD display

USB port

Connection sockets

Input jacks (top of unit)

Select button

Power supply jack

Battery display

Menu buttons
UP - DOWN / LEFT - RIGHT

Escape button

ON/OFF button

Function buttons F1 - F4

Alphanumeric keypad

LED charging indicator
LED indicator USB access

Main Menu

Line Multimeter

LoopAnalysis
Remote Switch Type  <KE90x>
Remote Switch Functions
Cable Parameters

Date / Time

1
2
3
4
5

Allow USB Access

6

Setup

7

Summary of Contents for KE2500

Page 1: ...served including translations All reprints and electronic copies including excerpts require prior written approval of Kurth Electronic All of the brand names and trademarks cited herein are the property of their registered owners Operating Manual KE2500 Telco Multimeter ...

Page 2: ... n Wire A red n Wire B green n Ground E black Graphic LCD display USB port Connection sockets Input jacks top of unit Select button Power supply jack Battery display Menu buttons UP DOWN LEFT RIGHT Escape button ON OFF button Function buttons F1 F4 Alphanumeric keypad LED charging indicator LED indicator USB access Main Menu Line Multimeter LoopAnalysis Remote Switch Type KE90x Remote Switch Funct...

Page 3: ... LCL 1 MHz 12 1 9 PPA and Signature detection 13 1 10 Current 13 1 11 Insulation quick 13 2 Loop Analysis 14 2 1 Loop Analysis w o CO 14 2 2 Loop Analysis with CO 15 2 3 Loop Analysis auto 16 2 4 Schleifenanalyse QA8 07 2014 16 3 Remote Switch Type 17 4 Remote Switch Functions 17 5 Cable Parameters 19 6 Allow USB Access 20 7 Setup 21 7 1 Automatic Off 21 7 2 LCD illumination 21 7 3 Language 21 7 4...

Page 4: ...carefully These safety instructions and warnings must be observed when operating the device The circuit under test must be switched off powered down safely from the mains isolated and shown to be de energized before the test connections for the isolation and continuity tests are carried out Circuit connections and exposed conductive parts and other metal parts of a installation or device must not ...

Page 5: ...any cleaning agents for cleaning on alcohol base as these residues can leave EMC In accordance with IEC 61326 1 Temperature effects Temperature coefficient of 0 1 per C Environmental conditions Operating range 20 to 55 C Operating humidity 95 RH to 0 C to 35 C 70 RH 35 C to 55 C Storage temperature range 30 to 80 C Calibration temperature 20 C Maximum operating altitude 2000 m Notes KE2500 may onl...

Page 6: ...Current Battery calibration The KE2500 is equipped with a high performance lithium polymer LiPo battery In spite of its low weight this allows an operating time of several hours in the measuring mode under full load The capacity of the mains charger is sufficient to operate the KE2500 and charge the battery at the same time but the power supply should not be connected during ongoing measurements T...

Page 7: ...of the test leads probes and Alligator clips are in good condition and undamaged and not cracked Insulation through 2 Check the consistency of the test cable through solid short circuit the test leads and reading the resistor directly on the screen the resistance should be less than 1 0 Terminals of the test cable The test cables are connected as shown in Figure above This figure shows the on top ...

Page 8: ...operation some modes of measurement can also be selected directly with the help of the digit keys e g with the key combination in quick succession you can start directly the Resistance line measurement The measurements start immediately after the parameters have been selected Save Some tests have the possibility to save the results When available the memory dialog is called with F4 The file name i...

Page 9: ...ment Under F2 Probe the measurement points can be selected from the differential voltage measured between two cores of a pair of conductors A B and the common mode voltage measured between a pair of conductors and the ground A GND B GND With F3 the measuring ranges can be switched between DC DC voltage and AC AC voltage and AC TP AC voltage with low pass filter 200 Hz Under F4 Term the input resis...

Page 10: ...mination of the loop resistors A B and the resistors A Gnd B Gnd The cable length the earth line resistance the resistance difference WU and the maximum resistance difference WUmax as well as the unbalance are displayed The selected cable parameter is displayed at the bottom of the table Autom Measuring procedures only possible with remote KE90X and TX915 see Resistance line Please ensure that the...

Page 11: ...ock when touching conductive parts When performing a test of the insulation resistance always follow the safety precautions and make sure that you follow the precautions for safety at work 1 5 Capacitance The purpose of the measurement is to determine the operating capacity of a wire pair The measurement shows whether the line is open and shows the typical input capacitance of connected devices as...

Page 12: ...in max values can be switched on and off the absolute value is not necessarily meaningful but high fluctuations indicate errors 1 8 LCL1 MHz Longitudial Conversion Loss In the case of the asymmetry measurement LCL the balance between theAwire to ground is compared with that of the B wire to ground For this purpose a signal with 1 MHz is fed symmetrically to the wires in relation to the ground The ...

Page 13: ...unique Signature not recognizable Signature not recognized PPApresent 2 or more PPA A B detected 2 or more PPAinverse detected 2 x PPAantiparallel suspected ResistanceA B and B Atoo small 1 10 Current In this setting the KE2500 measures the DC DC and AC AC currents This makes it possible to assess whether the available power is sufficient for ISDN or analogue connections Measuring method Connect t...

Page 14: ...ly the insulation resistance With F4 Stop the measurement can be frozen and then left completely with ESC After the measurement has been completed a QR code with the measured values can be generated and displayed with F3 QR code This can then simply be read in with a QR application ESC exits the view and test Alternatively the measured values can also be stored as a CSV file under F4 for later eva...

Page 15: ...d the resultant of the resistive length capacitance the length resulting from the capacitance and the end of the insulation resistance Then a loop A B GND has to be insert measurements to the capacitance and the cable length as a result of capacitance as well as the insulation resistance follows With F4 Stop the measurement can be frozen and then left completely with ESC After the measurement has ...

Page 16: ...values can also be stored as a CSV file under F4 for later evaluation For more information see 7 Allow USBAccess on page 20 Date Time Date Time 2 4 Schleifenanalyse LoopAnalysis QA8 07 2014 The loop analysis QA8 is a customized automated analysis for telecom applications are carried out the required measurements for the skilled conclusion forAN according to Annex 8 Measurement method Connect the w...

Page 17: ...rts 1 4 Opens Port 1 and stops tracing tone Used for measure ments like open circuit noise capacitance leakage resistance Teletech TX915 Open port OPEN 4 3 Port 1 Loop Port 1 pair shorted Used to measure the loop resistance Teletech TX915 A B GRD loop SHORT 4 4 Port 1 Loop Pulse 3 sec Port 1 loop pulse for 3 seconds With it you can clearly detect the far end with a TDR even the loop is correct ter...

Page 18: ...de info kurthelectronic de 18 APPLICATIONS WITH KE90X Remote optional KE900 Remote Cut through Customers line remains in service up for the start of the measurement the customer can continue working Open Measuring e g noise capacity voltage insulation etc Customer CENTRAL OFFICE MDF CCC KE900 Remote Customer CENTRAL OFFICE MDF CCC Bonding preperation This configuration alowes to measure two indepe...

Page 19: ...efault setting To change the name go to Name and confirm with SEL to get to the context menu for the name change after the name change confirm with SEL an you will get back to the cable parameter menu press F4 Save for conclusion The new name will now appear under Cable Parameters in the selection menu SEL selects the desired value This is then marked with a hook at the right edge of the screen Th...

Page 20: ...t first enable the USB device on the main menu Select Allow USB Access Now the meter is displayed as a USB drive on the connected device and the stored files can be edited Please do not delete the SYS folder Then disconnect the ESC key or Eject using Windows explorer Date Time Date Time USB Filetransfer USB Filetransfer Waiting for PC PC Connected Quit with Eject Quit with ESC or Eject on PC Examp...

Page 21: ...ge can be set The languages German and English are available 7 4 Date Time Date and time setting in 24 hour format DD MM YYHH MM such as 15 06 13 14 40 7 5 Signals Display Here you can find further settings 1 Keybord Beep On or Off 2 Low Battery Beep On or Off 3 Contrast Level 1 to 30 4 Brightness Level 1 to 7 1 dark 7 bright 5 Messung Ende Ton On or Off 7 6 Show min max Value Fading in and out of...

Page 22: ...ECT board is present on the internal μSD card If this is the case the installation starts automatically and immediately Then the installation file from the internal μSD card is deleted and the KE2500 sets the startup sequence until the main menu appears Attention The installation of software updates is only started when the KE2500 is powered by the power pack Step by Step Transfer of files for sof...

Page 23: ...S ARE 1 YEAR WARRANTY FROM THE DATE OF YOUR PURCHASE BY THE USER NOTE Any unauthorized repair or adjustment of the test device will automatically void the warranty Repair and spare parts If you want the tester to be repaired contact us at Kurth Electronic GmbH Test Measurement Muehleweg 11 72800 Eningen u A Tel 49 7121 9755 0 Fax 49 7121 9755 56 E Mail sales kurthelectronic de To return your produ...

Page 24: ...ection 600 V AC DC shutdown Insulation 100 V Measuring range 70 kΩ to 2 GΩ Accuracy 0 100 MΩ 2 Accuracy 100 MΩ 1GΩ 4 Accuracy 1 GΩ 2GΩ 8 Maximum voltage 120 V Kurzschlussstrom 9 mA Overload protection 600 V AC DC shutdown Insulation 8 V Measuring range 1 kΩ to 150 MΩ Accuracy 0 10 MΩ 2 Accuracy 10 MΩ 100 MΩ 4 Accuracy 100 MΩ 150 MΩ 8 Maximum voltage 70 V Short circuit current 9 mA Overload protect...

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