Klein Tools 501-915 Instruction Manual
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Klein Tools 501-915 Instruction Manual

Cable length meter
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1.888.610.7664
ENGLISH
INSTRUCTION MANUAL
Cable Length Meter
• MEASURES AND
DISPLAYS CABLE
LENGTH IN FEET OR
METERS
• USES TDR METHOD
TO MEASURE CABLE
LENGTH VIA ITS VOP
CONSTANT
• MEASURES MOST
TYPES OF COPPER
CABLE INCLUDING
DATA, VOICE, VIDEO,
LAMP WIRE, SIAMESE,
AND NM CABLES
• CAPABLE OF
MEASURING LENGTH
TO OPEN AND SHORT
FAULTS
• EXTRA-LARGE FULL
COLOR BACK-LIT LCD
SCREEN
• BUILT-IN TONE
GENERATOR WITH
SELECTABLE TONE
CADENCE TO EASILY
TRACE CABLES WITH AN
ANALOG TONE PROBE
(NOT INCLUDED)
• CONSERVES POWER
ADJUSTABLE AUTO
POWER OFF (APO)
2 m
IP00
www.calcert.com
15
10
20
5
25
0
30
501-915
05/29/2020
07:30
55%
VOP
CAT4UT
68.3%
Pair 1-2
0.0 ft
Pair 3-6
0.0 ft
Pair 4-5
0.0 ft
Pair 7-8
0.0 ft
Library
Type
Home
sales@calcert.com

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Summary of Contents for Klein Tools 501-915

  • Page 1 ENGLISH 501-915 INSTRUCTION MANUAL Cable Length Meter • MEASURES AND DISPLAYS CABLE LENGTH IN FEET OR METERS • USES TDR METHOD 05/29/2020 07:30 TO MEASURE CABLE CAT4UT LENGTH VIA ITS VOP 68.3% CONSTANT • MEASURES MOST TYPES OF COPPER Pair 1-2 0.0 ft...

  • Page 2: General Specifications

    ENGLISH GENERAL SPECIFICATIONS The Klein Tools Cable Length Meter is a portable time domain reflectometer (TDR) cable length meter. It measures cable length, calibrates Velocity of Propagation (VoP) values, finds faults in cables, and provides tone generation for cable tracing.

  • Page 3: Feature Details

    DEFINITIONS Velocity of Velocity of Propagation (VOP) is the speed of Propogation an electrical signal traveling through a cable, (VoP) measured as a percentage of the speed of light BNC-Connector A BNC Connector is a common connector for a coax cable, often associated with security systems Time Domain TDR technology, is a technology that uses VoP values to accurately measure cable lengths...

  • Page 4: Powering On/Off

    ENGLISH OPERATING INSTRUCTIONS POWERING ON/OFF Power ON: Press the Power Button to turn the unit on. Power OFF: Press the Power Button for two seconds to turn the unit off. NOTE: Screen will display “Powering Off, Saving Data” while it powers down. Auto Power-OFF (APO): The Meter will automatically turn off after a period of inactivity in order to conserve battery power.

  • Page 5: Measuring Cables

    OPERATING INSTRUCTIONS MEASURING CABLES Important Safety Information • The cable to be tested should be evaluated for the presence of voltage with a voltage measurement device by a qualified professional before beginning work with the Cable Length Meter. The cable should be disconnected from any voltage source before beginning work.
  • Page 6 ENGLISH OPERATING INSTRUCTIONS 6. To edit Library entries, use the Up and Down Arrow buttons to highlight the desired selection and press the "Edit" button (two dots) to enter the cable information screen. Again, use the Up and Down Arrow buttons to highlight the desired field and press the "Edit" button (two dots) .
  • Page 7 OPERATING INSTRUCTIONS Measuring Length to Short Faults (Category, Twisted Pair, Data Cable) 1. While measuring a twisted pair cable, if there is a short between twisted pin pairs (i.e. a short between wires 1-2, 3-6, 4-5 or 7-8), the tester will display "SHORT", with the distance to the short location.
  • Page 8 ENGLISH OPERATING INSTRUCTIONS Measuring Length to Short Faults (cables with 3 or more conductor wires) While measuring a cable with 3 or more conductors, to accurately identify which wires are shorted and the distance to the short location, multiple measurements of different wire combinations should be measured.
  • Page 9 OPERATING INSTRUCTIONS Changing VoP Value / 05/29/2020 07:30 Adding New Cable Information Always verify that the VoP of Cable Must Be the cable you are measuring is Connected stored in the Cable Length Meter. If it is not, check the cable box Type: Coax for the information or check the...
  • Page 10 ENGLISH OPERATING INSTRUCTIONS Determining an Unknown VoP Value Follow these instructions to set the Length Constant based on a sample cable of known length. The Cable Length Meter can calculate a VoP from a test cable length of 25 to 1000 ft. (10 to 300 m). Longer cable lengths will give more accurate results.
  • Page 11 OPERATING INSTRUCTIONS PRE-LOADED CABLE VALUES 6-DIGIT NVP MANUFACTURER 6-DIGIT CABLE TYPE NAME COAXIAL CABLE CNT-195 CNT195 75.0 Commscope COMSCP RG58 RG58 66.0 Belden BELDEN RG59 RG59 66.0 Belden BELDEN RG59 RG59 78.0 Southwire STHWRE RG6/U 82.0 Belden BELDEN RG6/U 80.0 Southwire STHWRE RG6/U...

  • Page 12: Battery Replacement

    ENGLISH BATTERY REPLACEMENT 1. Loosen screw in Battery Cover with #2 Phillips screwdriver and remove Battery Cover. NOTE: Screw is not removable from Battery Cover. 2. Remove and recycle exhausted batteries. 3. Install two new AA alkaline batteries into battery compartment, observing polarity marked inside case.

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