IDEAL INDUSTRIES 61-484 Operating and installation instructions

Form number TM61480II Rev 1 July 2011
IDEAL INDUSTRIES, INC. TECHNICAL
MODEL: 61-484
MODEL: 61-486
Multimeters Service Information
The Service Information provides the following information:
● Precautions and safety information
● Specifications
● Basic maintenance (cleaning, replacing the battery and fuses)
● Performance test procedures
● Calibration and calibration adjustment procedures
Form number: TM61480II
Revision:1. Date: July 2011
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com

Page 1
Table of Contents
Introduction ......................................................................................................................................................1
Precautions and Safety Information..................................................................................................................1
The Symbols ......................................................................................................................................................1
SAFETY...............................................................................................................................................................2
SPECIFICATIONS.................................................................................................................................................3
General specifications...................................................................................................................................3
Measurement Characteristics.......................................................................................................................3
Physical and Environmental Characteristics ...............................................................................................10
Certifications and compliances ...................................................................................................................10
Required Equipment .......................................................................................................................................11
Table B. Required Equipment .....................................................................................................................11
Basic Maintenance..........................................................................................................................................12
Replacing the Battery..................................................................................................................................12
Testing Fuses...............................................................................................................................................13
Fuse Replacement.......................................................................................................................................13
Performance Tests...........................................................................................................................................14
Testing the Voltage Function.......................................................................................................................14
Testing the Resistance Function..................................................................................................................15
Testing the Capacitance Function ...............................................................................................................15
Testing the Diode Function .........................................................................................................................16
Calibration.......................................................................................................................................................19
Environmental Conditions ..........................................................................................................................19
Activate Calibration Procedure Mode ........................................................................................................19
Deactivate Calibration Procedure Mode ....................................................................................................19
Set Meter Model mode...............................................................................................................................19
Standard Function Calibration ....................................................................................................................19
Temperature Calibration.............................................................................................................................19
Calibration Adjustment Point .........................................................................................................................20
AC and DC Volts Table.................................................................................................................................20
Resistance, Capacitance, Diode, AC & DC Current, Temperature Table.....................................................21

Page 1
Introduction
Warning
To avoid shock or injury, do not perform the verification tests or calibration procedures described in the
manual unless you are qualified to do so.
The information provided in this document is for the use of qualified personnel only.
Caution
The 61-484/61-486 contains parts that can be damaged by static discharge. Follow the standard practices
for handling static sensitive devices.
Precautions and Safety Information
Use the Meter only as described in the Service 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. The Symbols
Risk of electric shock
See instruction card
DC measurement
Equipment protected by double or enforced insulation
Battery
Fuse
Earth
AC measurement
Conforms to EU directives
Application around and removal from hazardous live
conductors is permitted.
Do not discard this product or throw away

Page 2
SAFETY
Review the following safety precautions to avoid injury and prevent damage to this product or 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. Specific precautions
Do not operate without covers. To avoid personal injury, do not apply any voltage or current to the product
without covers in place.
Electric overload. Never apply a voltage to a connector on the product that is outside the range specified for
that connector.
Avoid electric shock. To avoid injury or loss of life, do not connect or disconnect probes or test leads while
they are connected to a voltage source.
Do not operate in wet/damp conditions. To avoid electric shock, do not operate this product in wet or damp
conditions.

Page 3
SPECIFICATIONS
All specifications are warranted unless noted typical and apply to the 61-484/61-486.
Stated accuracies are at 23°C±5°C at than 80% relative humidity and without the battery indicator displayed.
General specifications
Characteristics
Description
Display count
6000
Analog Bar Graph
segment, negative indicated positive implied
Numeric update rate
3 times / sec
Polarity display
Automatic
Over-range display
“OL” is display
Low Battery indicator
indicated full, indicated low
Automatic power-off time
20 minutes
Power source
9V NEDA 1604 IEC 6F22, JIS 006P Battery
Maximum input voltage
600V CAT IV between V and COM
1000V CAT III between V and COM
Maximum floating voltage
600V CAT IV between any terminal and earth ground
1000V CAT III between any terminal and earth ground
V connector
V, V , HZ , , , ,
Temperature Coefficient
0.15×(Spec. Accuracy) / °C, <18°C or >28°C
Battery Life
180 hours typical (9V Alkaline Battery, 1604A)
MeasurementCharacteristics
Accuracy is ±(% reading + number of digits) at 23°C ± 5°C, less than 80% R.H. Temperature coefficient: 0.15 *
(Specified accuracy)/℃, < 18℃, > 28 ℃

Page 4
(1) DC Voltage
Range
Resolution
61-486 Accuracy
61-484 Accuracy
6.000V
0.001V
±(0.08% reading + 2 digits)
±(0.09% reading + 2 digits)
60.00V
0.01V
600.0V
0.1V
1000V
1V
Input Impedance: 10MΩ
Overload Protection: AC/DC 1000V.
(2) AC Voltage
Range
Resolution
61-486 Accuracy (Sine Wave)
61-484 Accuracy (Sine Wave)
6.000V
0.001V
±(0.8% reading + 3 digits)
±(1.0% reading + 3 digits)
60.00V
0.01V
600.0V
0.1V
1000V
1V
Input Impedance: 10MΩ // less than 100pF
Frequency Response: 50 ~ 1kHz (Sine Wave)
AC Conversion Type: RMS sensing, RMS indication
Additional Accuracy by Crest Factor (C.F.): Add 1.0% for C.F. 1.4 ~ 2.0.
Add 2.5% for C.F. 2.0 ~ 2.5. Add 4.0% for C.F. 2.5 ~ 3.0.
Max. Crest Factor: 1.6 for 6000 ~ 5000 digits
2.0 for 5000 ~ 3000 digits
3.0 for 3000 ~ 0 digits
Overload Protection: AC/DC 1000V.
(3) AC+DC Voltage
Range
Resolution
61-486 Accuracy
61-484 Accuracy
6.000V
0.001V
±(2% reading + 5 digits)
±(2.5% reading + 5 digits)
60.00V
0.01V
600.0V
0.1V
1000V
1V
Additional specifications are same as voltage function.
The AC+DC True RMS vale might be over selected range since the AC single on DC level. The meter will display
“OL” or change the range while (AC value + DC value) > 6500 counts. Overload Protection: AC/DC 1000V.

Page 5
(4) DC mV
Range
Resolution
61-486 Accuracy
61-484 Accuracy
60.00mV
0.01mV
±(0.08% reading + 10 digits)
600.0mV
0.1mV
±(0.08% reading + 2 digits)
±(0.1% reading + 2 digits)
Input Impedance: 10MΩ
Overload Protection: AC/DC 1000V.
(5) AC mV
Range
Resolution
61-486 Accuracy (Sine Wave)
61-484 Accuracy (Sine Wave)
60.00mV
0.01mV
±(1.2% reading + 5 digits)
600.0mV
0.1mV
±(1.2% reading + 5 digits)
±(1.5% reading + 5 digits)
Input Impedance: 10MΩ // less than 100pF
Frequency Response: 50 ~ 1k Hz (Sine Wave)
AC Conversion Type: RMS sensing, RMS indication Additional Accuracy by Crest Factor (C.F.): Same as ACV.
Max. Crest Factor: Same as ACV.
Overload Protection: AC/DC 1000V.
(6) AC+DC mV
Range
Resolution
61-486 Accuracy
61-484 Accuracy
60.00mV
0.01mV
±(2% reading + 10 digits)
600.0mV
0.1mV
±(2% reading + 10 digits)
±(2.5% reading + 5 digits)
Additional specifications are same as mV function.
The AC+DC True RMS vale might be over selected range since the AC single on DC level. The meter will display
“OL” or change the range while (AC value + DC value) > 6500 counts. Overload Protection: AC/DC 1000V.
(7) Lo-Z Voltage (Auto DC & AC Detection)
Range
Resolution
61-486 Accuracy
61-484 Accuracy
600.0V DC & AC
0.1V
±(0.8% reading + 3 digits)
±(1.0% reading + 3 digits)
1000V DC & AC
1V
±(0.8% reading + 3 digits)
±(1.0% reading + 3 digits)
Input Impedance: less than 6kΩ
AC Frequency Response: 50 ~ 1kHz (Sine Wave) AC Conversion Type: RMS sensing, RMS indication Additional
Accuracy by Crest Factor (C.F.): Same as ACV. Max. Crest Factor: Same as ACV.
Overload Protection: AC/DC 1000V.

Page 6
(8) DC Current
Range
Resolution
61-486 Accuracy
61-484 Accuracy
6.000A
0.001A
±(0.8% reading + 3 digits)
±(1.0% reading + 3 digits)
10.00A
0.01A
Maximum measurement time: 3 minutes at 10A with at least 20 minutes rest time.
Overload Protection: AC/DC 11A.
(9) AC Current
Range
Resolution
61-486 Accuracy (Sine Wave)
61-484 Accuracy (Sine Wave)
6.000A*
0.001A
±(1.2% reading + 3 digits)
±(1.5% reading + 3 digits)
10.00A
0.01A
Frequency Response: 50 ~ 1kHz (Sine Wave)
AC Conversion Type: RMS sensing, RMS indication Additional Accuracy by Crest Factor (C.F.): Same as ACV.
Max. Crest Factor: Same as ACV.
Maximum measurement time: 3 minutes at 10A with at least 20 minutes rest time.
Overload Protection: AC/DC 11A.
(10) AC+DC Current
Range
Resolution
61-486 Accuracy
61-484 Accuracy
6.000A
0.001A
±(2% reading + 5 digits)
±(2.5% reading + 5 digits)
10.00A
0.01A
Additional specifications are same as Ampere function.
The AC+DC True RMS vale might be over selected range since the AC single on DC level. The meter will display
“OL” or change the range while (AC value + DC value) > 6500 counts. Overload Protection: AC/DC 11A.
(11) DC mA
Range
Resolution
61-486 Accuracy
61-484 Accuracy
60.00mA
0.01mA
±(0.8% reading + 3 digits)
±(1.0% reading + 3 digits)
600.0mA
0.1mA
Maximum measurement time: 10 minutes at 600mA with at least 20 minutes rest time.
Overload Protection: AC/DC 440mA.

Page 7
(12) AC mA
Range
Resolution
61-486 Accuracy (Sine Wave)
61-484 Accuracy (Sine Wave)
60.00mA
0.01mA
±(1.2% reading + 3 digits)
±(1.5% reading + 3 digits)
600.0mA
0.1mA
Frequency Response: 50 ~ 1kHz (Sine Wave)
AC Conversion Type: RMS sensing, RMS indication Additional Accuracy by Crest Factor (C.F.): Same as ACV.
Max. Crest Factor: Same as ACV.
Maximum measurement time: 10 minutes at 600mA with at least 20 minutes rest time.
Overload Protection: AC/DC 440mA.
(13) AC+DC mA
Range
Resolution
61-486 Accuracy
61-484 Accuracy
60.00mA
0.01mA
±(2% reading + 5 digits)
±(2.5% reading + 5 digits)
600.0mA
0.1mA
Additional specifications are same as mA function.
The AC+DC True RMS vale might be over selected range since the AC single on DC level. The meter will display
“OL” or change the range while (AC value + DC value) > 6500 counts. Overload Protection: AC/DC 440mA.
(14) Resistance
Range
Resolution
Accuracy
600.0 Ω
0.1 Ω
±(0.8% reading + 5 digits)
6.000kΩ
0.001kΩ
±(0.8% reading + 2 digits)
60.00kΩ
0.01k Ω
600.0kΩ
0.1k Ω
6.000MΩ
0.001MΩ
40.00MΩ*
0.01M Ω
±(1.0% reading + 5 digits)
* There is a little rolling less then ±50 digits when measuring > 10.00 MΩ.
Open Circuit Voltage: Approx. 2.5V for 600.0Ω & 6.000kΩ range.
Approx. 0.6V for others Maximum Test Current: Approx. 0.1mA. Overload Protection: AC/DC 1000V.
(15) Continuity
Range
Resolution
Accuracy
600.0 Ω
0.1 Ω
±(0.8% reading + 5 digits)

Page 8
Open Circuit Voltage: Approx. 2.5V
Continuity: Built-in buzzer sounds when measured resistance is less than 30Ωand sounds off when measured
resistance is more than 100Ω, Between 30Ω to 100Ω the buzzer maybe sound or off either.
Continuity Indicator: 2.7KHz Tone Buzzer Response Time of Buzzer: < 500 μsec. Overload Protection: AC/DC
1000V.
(16) Diode
Range
Resolution
Accuracy
2.000V
0.001V
±(1.5% reading + 2 digits)
Open Circuit Voltage: Approx. 2.5V Maximum Test Current: Approx. 0.4mA. Overload Protection: AC/DC
1000V.
(17) Capacitance
Range
Resolution
Accuracy
1.000µF
0.001µF
±(1.2% reading + 2 digits)
10.00µF
0.01µF
100.0µF
0.1µF
1.000mF
0.001mF
10.00mF
0.01mF
Response Time: < 0.7 sec. for 1nF ~ 1mF
< 3 sec. for 1mF ~ 10mF
Overload Protection: AC/DC 1000V
(18) Frequency
Range
Resolution
Accuracy
100.00Hz
0.01Hz
±(0.1% reading + 2 digits)
1000.0Hz
0.1Hz
10.000kHz
0.001kHz
100.00kHz
0.01kHz
Maximum Sensitivity: 1000V rms or 600mA rms or 10A rms
Minimum Sensitivity: > 5.0Vp-p (for ACV 1Hz ~ 10kHz)
> 10.0Vp-p (for ACV 10kHz ~ 100kHz)
> 2mAp-p (for AC mA)
> 0.2Ap-p (for ACA)
Overload Protection: AC/DC 1000V or 11A