IDEAL 61-796 User Manual
IDEAL INDUSTRIES, INC.
TECHNICAL MANUAL
MODEL: 61-796
The Service Information provides the following information:
• Precautions and safety information
• Specifications
• Performance test procedure
• Calibration and calibration adjustment procedure
• Basic maintenance (Disassembly, Troubleshooting, Spare Parts list)
Form number: TM61796
Revision: 2. Date: May 2008
Form number TM61796 Rev 2 May 2008
TABLE OF CONTENTS
Title Page
Introduction 1
Precautions and Safety Information 1
Symbols 1
Safety Information 1
Specifications 2
General Specification 2
Ground Resistance Specifications 2
Ground Voltage Potential Specifications 2
Required Standards and Equipment 3
Performance Verifications 3
Battery Test 3
Frequency Test 3
Resistance Test 3
AC Voltage Test 4
Disassembly and Setup For Calibration 4
Calibration 4
Procedure 4/5
Calibration Verification Test 5
Calibration Adjustment Locations 6
Component Layout 7
Troubleshooting 8
Spare Parts List 9
Form number TM61796 Rev 2 May 2008
Page 1
Introduction
Warning
To avoid shock or injury, do not perform the verification tests or calibration
procedures described in this manual unless you are qualified to do so.
The information provided in this document is for the use of qualified personnel only.
Caution
The 61-796 Three Pole Ground Resistance Tester contains parts that can be damaged by static discharge.
Follow the standard practices for handling static sensitive devices.
For additional information about IDEAL INDUSTRIES, INC. and its products,
and services, visit IDEAL INDUSTRIES, INC. web site at:
www.idealindustries.com
Precautions and Safety Information
Use the meter only as described in the Users Manual. If you do not
do so, the protection provided by the meter may be impaired.
Read the “Safety Information” page before servicing this product.
In this manual, a Warning identifies conditions and actions that
pose hazard(s) to the user; a Caution identifies conditions and
actions that may damage the meter or the test instruments.
The Symbols
The symbols used on the meter and in this manual are explained in Table A.
Table A. Symbols
Meter Safety
Description
Symbol
Battery
CAT III
Cautionary or important information in manual
Danger - Risk of electrical shock
Double Insulation- Protection Class II
IEC Over-voltage Category III
SAFETY
Review the following safety precautions to avoid injury and prevent damage to this product or any products
connected to it. To avoid potential hazards, use the product only as specified.
CAUTION.
These statements identify conditions or practices that could result in damage to the equipment or other property.
WARNING.
These statements identify conditions or practices that could result in personal injury or loss of life.
Before beginning read all warnings and precautions stated in the “Instruction Manual”
Form number TM61796 Rev 2 May 2008
Page 2
General Specifications
Characteristics Description
Display LCD 3 ½ with 2000 counts, maximum display count of 1999
Over-range Indication “1” in the Most Significant Digit (MSD)
Operation Frequency of Ω current
Earth Resistance Range
Resistance resolution
820Hz to 1.6kHz at approx. 2mA.
20Ω/200Ω/2000Ω
0.00 - 19.99 (0.01Ω)
00.0 - 199.9 (0.1Ω)
000 – 1999 (1Ω or .001KΩ)
Earth Resistance Accuracy
±(2% reading + 2 digits) or± 0.1Ω
Max Earth Voltage 0-200V AC, 40-500Hz
Earth Voltage Accuracy
± (1% reading + 2 digits)
Power on/off Switch only / No auto power off mode
Low Battery Indicator: Symbol indicates low battery voltage
Data Hold Indicator Symbol indicates data hold
Power 8 x 1.5V AA Batteries (Alkaline preferred)
Applicable standards IEC/EN 61010-1: (CAT III 200V) pollution degree2
Dimensions 8.3”H x 8.3”W x 4.0”D
Weight: Approximately 3.0 lbs. (1361g) including battery
Storage Environment:
Operating Environment:
Relative Humidity
32°F to 122°F at <80% relative humidity
32°F to 104°F
80% Relative Humidity
Accessories included Hard Case, Test Lead Set (red-33m, yellow- 33m, green 5m)
Red 1m dual input jack to alligator clip adapter lead,
2 Auxiliary earth spikes, and Instruction Manual
RANGES and ACCURACY SPECIFICATION
Measurement Characteristics
(All at 75°F ± 41°F, < 80% R.H.) Measurement accuracy is expressed as ±(% reading + digits) in the resistance
and voltage functions
RESISTANCE:
Range Measuring Range Resolution Accuracy
20Ω 0.00Ω - 19.99Ω 0.01Ω ±(2% reading+ 2 digits)1
200Ω 00.0Ω - 199.9Ω 0.1Ω ±(2% reading + 2 digits)
2000 Ω 000Ω - 1999Ω 1Ω or 0.001KΩ ±(2% reading + 2 digits)
1
Error is ± 2 digits or ± 0.1Ω, whichever is greater.
Operation frequency of current is 820Hz to 1.6kHz at approx. 2mA.
EARTH VOLTAGE POTENTIAL:
Range Measuring Range Resolution Accuracy
0-200V AC 00.0 – 199.9V .1mV
± 1.0% ± 2digits
Form number TM61796 Rev 2 May 2008
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