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Hoyt 2734 ER Instruction Manual

4-wire earth resistance tester
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2734 ER
4-WIRE
EARTH RESISTANCE TESTER
INSTRUCTION MANUAL

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Summary of Contents for Hoyt 2734 ER

  • Page 1 2734 ER 4-WIRE EARTH RESISTANCE TESTER INSTRUCTION MANUAL...

  • Page 2: Table Of Contents

    INDEX Page 1.INTRODUCTION........1 2.SAFETY NOTES........2 3.FEATURES..........3 4.SPECIFICATIONS........4 5.INSTRUMENT LAYOUT......6 6.MEASURING METHODS......7 7.MAINTENANCE........9...

  • Page 3: Introduction

    1. INTRODUCTION This meter has been designed and tested according to EN 61010-1, EN61326-1, EN61557-1, EN 61557-5 and other safety standards. Follow all warnings to ensure safe operation. CAT IV CAT III CAT II CAT I SERVICE ENTRANCE POWER LINE ●Outside and service entrance ●Service drop from...

  • Page 4: Safety Notes

    2. SAFETY NOTES Read the followings safety information carefully before ● attempting to operate or service the detector. Use the meter only as specified in this manual. ● Otherwise, the protection provided by the meter may be compromised. ● Rated enviromental conditions: (1)Indoor &...

  • Page 5: Features

    3. FEATURES ● Microprocessor-controlled. ● 3½ digit(2000 counts) ● 68x34mm large LCD display. ● Earth Voltage measuring:0-200Vac ● Automatic C spike check ● 4-wire test only ● Auto power off ● Auto data hold ● Protective cover for terminals ● Robust, compact and easy carry. ●...

  • Page 6: Specifications

    SPECIFICATION Earth Resistance 0-20.00Ω/0-200.0Ω/0-2000Ω Measuring Ranges Earth Voltage 0-200Vac Earth Resistance ±(2%rdg+3dgt) Accuracy Earth Voltage ±(2%rdg+3dgt) 0-20Ω:0.01Ω Earth Resistance 0-200Ω:0.1Ω Resolution 0-2000Ω:1Ω Earth resistance by constant Measurement current inverter 820Hz System approx. 2mA Display LCD 3½ digit (2000 counts) Low Battery Indication Over Range Indication...
  • Page 7 Test leads (red-15m, black-10m,yellow-10m, green-5m) Accessories Auxiliary earth spikes x 3 Instruction manual Batteries Carry case Notes: ● Data Hold feature instructions: Press "TEST" button to begin test. When results are displayed, press "TEST" button again for display. HOLD Press "TEST" button again to resume test. ●...

  • Page 8: Instrument Layout

    200Ω 20Ω 2000Ω EARTH VOLTAGE ⑩ 2734 ER 4-Wire Earth Resistance Tester ①C1 terminal (Black test lead connection) ②P1 terminal (Green test lead connection) ③P2 terminal (Yellow test lead connection) ④C2 terminal (Red test lead connection) ⑤LCD display ⑩Function switch ⑥Rc LED...

  • Page 9: Measuring Methods

    6. MEASURING METHODS Battery voltage check a.Before testing, rotate the function switch to "20Ω" range, if the appears on the display, replace with new batteries. b.Prior to measuring, if appears on the display, replace with new batteries. Do not apply voltage between the measuring terminals at earth resistance measurements.
  • Page 10 2. Earth resistance measurement: (1) Connection of Auxiliary earth spikes and test leads. Yellow Green Black 5~10m 5~10m Earthed electrode Auxiliary earth under test spikes (2)Select a Ω range (20Ω, 200Ω or 2000Ω) when the connection is done and press the "TEST" button. (3)Take the reading on the display.
  • Page 11 Notes: Check the following prior to proceeding with measurement: 1.Checking if Auxiliary Earth Spikes are connected correctly when the "Rc" LED lit. 2.Indicator for "Rc" & "Rp" Rc: When the "Rc" LED is lit, this is an indicaton that there is no test current output. Rp: When the "Rp"...

  • Page 12: Maintenance

    7. MAINTENANCE When the appears on the display, replace the batteries as follows: WARNING Do not mix new and old batteries together. Battery replacement: (1)Disconnect the test leads from the instrument and remove the battery cover and the batteries. (2)The batteries are situated under the tester. (3)Replace with six 1.5V AA light batteries, taking care to observe correct polarity.
  • Page 13 Cleaning and storage: WARNING To avoid electrical shock or damage to the meter, do not get water inside the case. Periodically wipe the case with a damp cloth and detergent. Do not use abrasives or solvents. Due to our policy of constant improvement and development, SEW reserves the right to change specifications without notice - 10 -...