Kusam-meco KM 1320 Operation Manual

Earth resistance soil resistivity tester

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An ISO 9001:2008 Company
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 digital
and micro-processing technology, precise 4-pole, 3-pole and
simple 2-pole method for earth resistance measurement,
importing FFT and AFC technology, with a unique function of
anti-interference capability and the ability to adapt to the
environment, consistency of repeat testing, to ensure high
precision, high stability and reliability for prolonged measure,
which is widely used in electric power, telecommunications,
meteorology, oil field, construction, lightning protection,
industrial electrical equipment and other earth resistance, soil
resistivity, earth voltage, AC voltage measurement.
KM 1320 Earth Resistance Soil Resistivity Tester is composed
of host machine, monitoring software, testing wires, auxiliary
ground pillars, communication wires and others. The large LCD
display of host machine is with blue backlight & bar graph
indicating that can be seen clearly. At the same time it can
store 300 sets of data, fulfilling historical inquiry and online real-
time monitoring through monitoring software, dynamic display,
alarm indicator, and with the functions like historical data
access, reading, preservation, report forms, printing and so on.
GENERAL SPECIFICATIONS :
Function
Measurement Range
Measuring Mode
Measuring Method
Test Frequency
Short-circuit Test Current : AC 20mA max
Open-circuit Test Current : AC 40V max
Test Voltage Wave
Electrode Distance Range : Can be set 1m-100m
Shift
Backlight
Display Mode
Measuring Indicator
LCD Frame Dimension
LCD Window Dimension : 124mm×67mm
Standard Test Wire
Simple Test Wire
Auxiliary Earthing Rod
Measuring Rate
Line Voltage
D:\Chhaya\My Documents\Chhaya\backup\catlog\New Cat\KM 1320-3000B.cdr
®
Earth Resistance Soil Resistivity Tester
2 / 3 / 4 Wire
: Measurement of 2/3/4-pole earth resistance, soil resistivity, earth voltage, AC voltage
: Earth Resistance: 0.00Ω-30.00
Soil Resistivity: 0.00Ω -9000kΩ
: Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement
: Earth Resistance: rated current change-pole method, measurement current 20mA Max
Soil Resistivity: 4-pole measurement
Earth Voltage: average rectification(between P(S)-ES)
: 128Hz/111Hz/105Hz/94Hz(AFC)
: Sine wave
: Earth Resistance: 0.00Ω-30.00
Soil Resistivity: 0.00Ω -9000kΩ , automatic shift
: Blue screen backlight, suitable for dim places
: 4-digital super-large LCD display, blue screen backlight
: During measurement, LED flash indicator, LCD count down display, progress bar indicator
: 128mm×75mm
: 4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
: 2 wires: each for red 1.6m and black 1.6m
: 4 rods: Φ10
m m×150mm
: Earth voltage: about 3 times/second
Earth resistance, soil resistivity: about 5 seconds/time
: below AC 600V
kΩ, automatic shift
All Specifications are subject to change without prior notice
Model KM 1320

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Summary of Contents for Kusam-meco KM 1320

  • Page 1 2 / 3 / 4 Wire Model KM 1320 An ISO 9001:2008 Company 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 digital and micro-processing technology, precise 4-pole, 3-pole and...
  • Page 2 <30 kΩ Interference Voltage <20 V Interference Current <2 A Electrode Distance a>5 d a>5 d when measuring R Electrode Distance a>20 h a>20 h when measuring ρ All Specifications are subject to change without prior notice D:\Chhaya\My Documents\Chhaya\backup\catlog\New Cat\KM 1320-3000B.cdr...
  • Page 3 G-17, Bharat Industrial Estate, T. J. Road, Sewree (W), Mumbai - 400 015. INDIA. Sales Direct.: 022 -2 4156638, Tel. : 022-24124540, 24181649, Fax : 022 - 24149659 Email : kusam_meco@vsnl.net, Website : www.kusamelectrical.com, An ISO 9001:2008 Company D:\Chhaya\My Documents\Chhaya\backup\catlog\New Cat\KM 1320-3000B.cdr...
  • Page 4: Earth Resistance

    AN ISO 9001:2008 COMPANY EARTH RESISTANCE SOIL RESISTIVITY TESTER ® MODEL - KM 1320 G 17, Bharat Industrial Estate, T. J. Road, Sewree (W), Mumbai - 400 015. INDIA. Sales Direct : (022) 24156638 Tel. : (022) 24124540, 24181649. Fax : (022) 24149659 Email : kusam_meco@vsnl.net...
  • Page 5: Table Of Contents

    EARTH RESISTANCE CONTENT Warning................SOIL RESISTIVITY TESTER Introduction............... Technical Specifications.......... 1. Base Conditions and Working Conditions..... MODEL - KM 1320 2. General Specification..........3. Intrinsic error and performance indicators under base conditions............III. Tester Structure............IV. LCD Display.............. ® ®...
  • Page 6: Warning

    ® ® Thanks for you purchase of KM 1320 Earth If the instrument is damp, please dry it before keeping. Resistance Soil Resistivity Tester of our company. For better For replacing battery, please confirm testing wire has moved...
  • Page 7: Technical Specifications

    ® ® I. INTRODUCTION : II. TECHNICAL SPECIFICATIONS : 1. Base Conditions and Working Conditions : ® ® KM 1320 Earth Resistance Soil Resistivity Base Working Influence Quantity Remark Tester is specially designed and manufactured for measuring Condition Condition earth resistance, soil resistivity, earth voltage, AC voltage.
  • Page 8 ® ® Shift Earth Resistance : 0.00 -30.00k , automatic shift Battery Voltage When battery voltage decreases to about 7.5V, battery voltage low icon will display, reminding to replace Soil Resistivity : 0.00 m-9000k m, automatic shift – + Backlight battery.
  • Page 9: Intrinsic Error And Performance Indicators Under Base Conditions

    ® ® 3. Intrinsic error and performance indicators under base III. TESTER STRUCTURE : conditions Category Measurement Range Intrinsic Error Resolution 0.00 -30.00k 0.01 Earth ±2%rdg ± 3 dgt 30.0 -300.0k Resistance ±2%rdg ± 3 dgt EARTH- TESTER (2/3/4 WIRES) 300 -3000k ±2%rdg ±...
  • Page 10: Lcd Display

    ® ® 1. LCD 2. Button area 10. Display the group number of stored data, and display 3. Rotary switch for selecting function 4. RS232 interface countdown. 5. Interface of testing wires 6. P interface: Voltage electrode 11. Interference electrode symbol (Display when the electrode 7.
  • Page 11: Operation Methods

    ® ® 3. Maximum Operating Error : Operating error (B) is an error VI. OPERATION METHODS : obtained within the rated operating conditions, and calculated with the intrinsic error (A), which is an error of the instrument 1. Switch On/Off : used, and the error (E) due to variations.
  • Page 12: Earth Voltage Measurement

    ® ® Transformer Yellow Secondary First Green circuit circuit Green Yellow EARTH- TESTER H.i55 I i0 EARTH- TESTER H.i65 07 i Measured earthing body EARTH VOLTAGE START FUNCTION EARTH VOLTAGE START FUNCTION Measuring earth voltage of commercial earthing body 5. 4-wires Precise Earth Resistance Measurement : 4.
  • Page 13 ® ® R = r1//r2//r3//r4//r5//r6//..//rn (r1..rn are all independent The distance from measured earthing body to current earthing points) electrode C(H), should at least five times longer than R–– The reading value on meter, the total earth resistance of the the embedded depth of measured earthing body, or earthing system.
  • Page 14: Wires Earth Resistance Measurement

    ® ® 6. 3-Wires Earth Resistance Measurement : 2-wires method : This method is a simple method for measurement that does not use auxiliary earthing rod, taking the 3-wires measurement : As shown below, short-circuit ES and S earth electrode with the minimal existing earth ground resistance interface, which is 3-wires measurement.
  • Page 15: Soil Resistivity Measurement

    ® ® 2-wires simple method for measurement of earth ground resistance, its reading on tester is the total value of earth ground Green Black Yellow resistance value of measured earthing object and that of EARTH- TESTER commercial earthing object, that is : R = RX + re H.i65 In which : R is the tester reading value;...
  • Page 16: Backlight Control

    ® ® 9. Backlight Control : 12. Data Reading / Deletion : After startup, press “ ¤ ” button to turn on or off backlight. The In test mode, press “ ” button for a longer time (over 3 backlight function is suitable to dark spot, power consumption of seconds) to enter data reading, press “...
  • Page 17: Battery Replacement

    ® ® VII. BATTERY REPLACEMENT : VIII. ACCESSORIES : Tester 1 PC Please don’t replace battery in flammable spot. Tester Bag 1 PC Please don’t replace battery during measurement. Auxiliary Earthing Rod 4 PCS Pay attention to battery polarity and specification, Standard Testing Wire 4 wires : each for red 20m, black and don’t mix use of new and used battery to avoid...
  • Page 18: Test Certificate

    ® ® WARRANTY MUMBAI Each “KUSAM-MECO” product is warranted to be free from defects TEST CERTIFICATE in material and workmanship under normal use & service. The warranty period is one year (12 months) and begins from the date EARTH RESISTANCE of despatch of goods.

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