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Kusam-meco KM 1320, Operation Manual

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Kusam-meco KM 1320 Operation Manual Download Page 5

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EARTH RESISTANCE 

SOIL RESISTIVITY TESTER

MODEL - KM 1320

CONTENT

Warning

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I.     Introduction

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II.    Technical Specifications

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       1.  Base Conditions and Working Conditions.............
       2.  General Specification............................................
       3.  Intrinsic error and performance indicators under
            base conditions......................................................

III.   Tester Structure

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IV.   LCD Display

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V.    Measuring Principle

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VI.   Operation Methods

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       1.  Switch On/Off.........................................................
       2.  Battery Voltage Check...........................................
       3.  AC Voltage Measurement......................................
       4.  Earth Voltage Measurement..................................
       5.  4-wires Precise Earth Resistance Measurement...
       6.  3-Wires Earth Resistance Measurement...............
       7.  2-Wires Simple Measurement................................
       8.  Soil Resistivity Measurement.................................
       9.  Backlight Control....................................................
       10.  Alarm Settings......................................................
       11.  Data Lock/Storage................................................
       12.  Data Reading/Deletion.........................................
       13.  Data Upload.........................................................

VII.  Battery Replacement

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VIII. Accessories

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IX.   Test Certificate

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X.    Warranty

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KM 1320

EARTH-  TESTER

r

(2/3/4 WIRES)

Summary of Contents for KM 1320

Page 1: ...ires each for red 1 6m and black 1 6m Auxiliary Earthing Rod 4 rods Φ10 mm 150mm Measuring Rate Earth voltage about 3 times second Earth resistance soil resistivity about 5 seconds time Line Voltage below AC 600V KM 1320 Earth Resistance Soil Resistivity Tester is specially designed and manufactured for measuring earth resistance soil resistivity earth voltage AC voltage Adopting the latest digita...

Page 2: ...V battery voltage low icon will display reminding to replace battery Overload Protection Measuring earth resistance between each interfaces of C H E P S ES AC 280V 3 seconds Insulation Resistance Over 20MΩ between circuit and enclosure it is 500V Withstanding Voltage AC 3700V rms Between circuit and enclosure Electromagnetic Features IEC61326 EMC Protection Type IEC61010 1 CAT Ⅲ 300 V CAT IV 150V ...

Page 3: ...n ISO 9001 2008 Company Intrinsic Error Resolution Measurement Range 3 Intrinsic error and performance indicators under base conditions Category 0 00Ω 30 00Ω 2 rdg 3dgt 0 01Ω 30 0Ω 300 0Ω 2 rdg 3dgt 0 1Ω 300Ω 3000Ω 2 rdg 3dgt 1Ω 3 00 kΩ 30 00 kΩ 4 rdg 3dgt 10Ω Soil Resistivity ρ 0 00Ω 99 99Ω According to the precision of R ρ 2π aR a 1 m 100m π 3 14 0 01Ω 100 0Ω 999 9Ω 0 1Ω 1000Ω 9999Ω 1Ω 10 00kΩ 9...

Page 4: ...00 015 INDIA Sales Direct 022 24156638 Tel 022 24124540 24181649 Fax 022 24149659 Email kusam_meco vsnl net Website www kusamelectrical com www kusam meco co in MODEL KM 1320 OPERATION MANUAL AN ISO 9001 2008 COMPANY EARTH RESISTANCE SOIL RESISTIVITY TESTER ...

Page 5: ...thods 1 Switch On Off 2 Battery Voltage Check 3 AC Voltage Measurement 4 Earth Voltage Measurement 5 4 wires Precise Earth Resistance Measurement 6 3 Wires Earth Resistance Measurement 7 2 Wires Simple Measurement 8 Soil Resistivity Measurement 9 Backlight Control 10 Alarm Settings 11 Data Lock Storage 12 Data Reading Deletion 13 Data Upload VII Battery Replacement VIII Accessories IX Test Certifi...

Page 6: ...ause explosion u u u u u u u u u FUNCTION During usage of tester please stop using it when exposed metal is caused by broken enclosure or testing wires Please don t keep or store the tester in the spot with high temperature and moisture or condensation and under direct daylight radiation for a long time If the instrument is damp please dry it before keeping For replacing battery please confirm tes...

Page 7: ...h the functions like historical data access reading preservation report forms printing and so on KM 1320 Earth Resistance Soil Resistivity Tester also named Precise Earth Resistance Tester 4 pole Earth Resistance Tester 2 3 4 pole Earth Resistance Tester Soil Resistivity Tester II TECHNICAL SPECIFICATIONS 1 Base Conditions and Working Conditions Influence Quantity Base Condition Working Condition ...

Page 8: ...lue exceeds alarm setting value there is Toot toot toot alarm hint Shift Backlight Display Mode Measuring Indicator LCD Frame Dimension LCD Window Dimension Dimension Standard Test Wire Simple Test Wire Auxiliary Earthing Rod Measuring Rate Measuring Times Line Voltage RS 232 Interface Communication Wire Data Storage Data Hold Data Access Overflow Display Interference Test Auxiliary Earthing Test ...

Page 9: ... dgt 2 rdg 3 dgt 4 rdg 3 dgt According to the precision of R r 2p aR a 1 m 100m p 3 14 2 rdg 3 dgt 0 01W 0 1W 1W 10W 0 01W m 0 1W m 1W m 10W m 100W m 1kW m 0 1V Note 1 When rC max or rP max additional error 3 rdg 5 dgt rC max 4kW 100R 50kW rP max 4kW 100R 50kW 2 When 5V interference voltage additional error 5 rdg 5dgt III TESTER STRUCTURE C H E P ES S AC 600V Max Rs232 6 7 8 4 9 10 11 12 H i65 000...

Page 10: ...of stored data and display countdown 11 Interference electrode symbol Display when the electrode exceed 5V interference voltage 12 Measured data 13 Voltage unit symbol 14 Resistance soil resistivity length unit symbol W k m kW m m W W V MEASURING PRINCIPLE 1 Voltage to ground measurement adopts average value rectification method 2 Earth resistance measurement with fall of potential method AC const...

Page 11: ...n embedding depth h generally should meet a 20h as shown below r Rated current generator A V Voltmeter P S ES E a a a h 20h 20h 20h a 20h max I VI OPERATION METHODS 1 Switch On Off Rotate rotary switch to fulfill switch on and off When rotary switch button displays OFF for shut off The Tester has no auto shut off function so please shut it off after usage in case of battery consumption saving FUNC...

Page 12: ... 0 10 20 30 40 C MEM AL CLR SET START FUNCTION OF F EA RT H REAR TH EARTH VOLTAGE OFF C H E P ES S AC 600V Max Rs232 V P S ES ES P S Green Yellow Secondary circuit Transformer First circuit Measured earthing body Measuring earth voltage of commercial earthing body 5 4 wires Precise Earth Resistance Measurement In the testing of earth resistance should firstly confirm the earth voltage of earthing ...

Page 13: ... r6 rn r1 rn are all independent earthing points R The reading value on meter the total earth resistance of the earthing system r1 rn All are independent earthing points each points have no connection together under the ground rC The earth resistance rC of auxiliary current electrode C H rP The earth resistance rP of auxiliary voltage electrode P s n Number of independent earthing point more point...

Page 14: ...re hydrant have priority in choosing auxiliary earthing electrodes 2 wires method This method is a simple method for measurement that does not use auxiliary earthing rod taking the earth electrode with the minimal existing earth ground resistance value as auxiliary earth electrode and connecting by two simple testing wires in which C H P S E ES interfaces are in short circuit It can make use of me...

Page 15: ...method Connect testing wires as shown below pay attention to the distance between auxiliary earthing rods and the embedding depth Respectively insert C H P S ES E auxiliary earthing rods deep into the earth in a straight line and then connect testing wires red yellow green black corresponding to C H P S ES E of interfaces and measured auxiliary earthing rods E ES P S Green Yellow Red C H Black a 2...

Page 16: ...ime over 3 seconds to enter data reading press or button to select reading data group number by step value 1 press or button constantly to select reading data group number by step value 10 When the current data is earth resistance or soil resistivity press button to read data value of rC rP and a then press button to exit from reading MEM SET MEM On reading if there is no storage data LCD will dis...

Page 17: ...f state 2 Loosen the four screws on battery cover at the bottom of the Tester and open battery cover 3 Replace new battery pay attention to battery polarity and specification close battery cover and fasten screw 4 Switch on verification otherwise re operate VIII ACCESSORIES Tester Tester Bag Auxiliary Earthing Rod Standard Testing Wire Simple Testing Wire Zinc manganese Dry Battery Monitoring Soft...

Page 18: ...er of a KUSAM MECO authorized dealer This warranty does not apply for damaged Ic s fuses burnt PCB s disposable batteries carrying case test leads or to any product which in KUSAM MECO s opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation or handling KUSAM MECO authorized dealer shall extend this warranty on new and unused products to ...

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