2
#61-480
480 Platinum Pro Series
Commercial Contractor
Grade Multimeter
APO RPM
Hz
Symbols in this Manual
This symbol indicates where cautionary or other
information is found in the manual.
Fuse
Battery
Refer to Figure 1 and to the following numbered steps to
familiarize yourself with the meter’s front panel controls
and connectors.
1
9
8
4
2
3
5
7
10
6
APO RPM
Hz
WARNING!
1. DO NOT UNDER ANY CIRCUMSTANCES EXCEED THESE
RATINGS:
• Voltage is not to exceed 1000 Volts.
• Resistance, Capacitance, Logic and Continuity functions
are not to be performed on circuits capable of delivering
greater than 600 Volts.
• Current measurements are not to be performed on cir-
cuits capable of delivering greater than 500 Volts
2. To avoid electrical shock hazards and/or damage to the meter:
• Do not exceed the voltage ratings for the meter. Use
caution when measuring voltage.
• Do not use during electrical storms. AC power sources
with inductive loads or electrical storms may result in
high voltage. High energy transients can damage meter
and present a dangerous shock hazard.
• Turn off power to the circuit or device being measured
before taking resistance and capacitance measurements.
Fully discharge all capacitors before measuring.
3. Ensure meter is in proper working order before using.
Visually inspect meter for damage. Performing a continuity
check can verify proper operation. If the meter reading goes
from overload to zero, this typically means the meter is in
proper working order.
4. Visually inspect leads for damage before using. Replace if
insulation is damaged or leads appear suspect.
5. Never ground yourself when taking electrical measurements.
Do not touch exposed metal pipes, outlets, fixtures etc.
Keep your body isolated from ground by using dry clothing,
rubber shoes, mats, or any other approved insulating material. Keep your fingers behind the finger guards on the
probes. Work with others.
6. Before beginning all unknown measurements, set meter to
highest possible range.
7. Before breaking a circuit for testing, turn off the power to the
circuit. When disconnecting from a circuit, disconnect the
hot lead first, then the common lead.
8. Disconnect the meter from the circuit before turning off any
indicator, including motors, transformers, and solenoids.
43
1. Digital Display - The digital display has 3400 counts
LCD readout with 70 segments analog bar graph, auto
polarity, decimal point, “ “ AC, DC RANGE, HOLD
APO and unit annunciators.
2. Rotar y Switch - Select the Function and Range desired.
3. COM Input Terminal -Ground input connector.
4. VΩHz Input Terminal - Positive input connector for
Volts, Ohms and Frequency.
5. mA Input Terminal - Positive input connector for Amp
measurements (up to 340mA).
6. A Input Terminal - Positive input connector for Amp
measurements (up to 10A).
7. Range Switch, (Manual Range) - “range” switch is
pushed to select manual ranging and to change ranges.
When “Range” switch is pushed on “Range” annunciator on
the LCD appears. Push “ RANGE ” switch to select appropriate range to be used. Push “Range” switch and hold 2
seconds to return to Autoranging.
8. Blue Switch - Push to switch to measure AC
Voltage/Current or DC Voltage/Current in the
Voltage/Current mode or to measure Resistance or continuity or diode in Ω/ / mode.
9. Hold Switch - This switch is used to hold measured value
for all functions, and then “HOLD” annunciator is displayed.
Conversions are made but the display is not updated.
10. Hz Switch - This switch is used to quickly view the
frequency during measuring the AC voltage or current.
Push “ Hz” switch once the LCD is changed to display
frequency. Push “ Hz” switch again, the LCD back to
display the AC signal amplitude reading. In “ Hz” mode,
pressing RANGE key switch does not change the frequency
range. However, RANGE key switch changes the sensitivity
of frequency detection, if the input signal amplitude is less
than 1% of full scale reading, the user shall increase the
sensitivity. Pressing Range switch in “ Hz” mode also
changes the full scale range of the original voltage or current mode.
6
AC Volt
Range Resolution Max Display Accuracy
3V 1mV 3.000 ±(1.3% +5)
40Hz to 500Hz
30V 10mV 30.00 ±(1.3% +5)
300V 100mV 300.0 40Hz to 1kHz
750V 1V 750
AC Conversion Type:Average Sensing RMS indication.
Input Impedance: 10MΩ less tan 100PF.
To Measure True RMS AC Voltage:
1. Plug the black test lead into the COM port and the red test
lead into the VΩHz port.
2. Set the rotary switch to the V position.
3. Push the blue button until AC is shown on the display.
4. Connect the meter in parallel with the load or circuit.
5. Measure AC Voltage.
Overload Protection
Function Overload Protection
VAC & VDC 1000V
AAC & ADC 1A/500V
10A/500V
Ohms (Ω) 600VAC/600VDC
Diode 600VAC/600VDC
Continuity 600VAC/600VDC
Unit of Measure Multipliers
For your reference, the following symbols are often used to
make measurement easier:
Symbol Verbal Multiplier
M mega x 1,000,000
k kilo x 1,000
m milli ÷1,000
µ micro ÷ 1,000,000
Auto Power Off (APO)
The APO sign on the LCD panel indicates the meter is working
in the Auto Power Off mode. If the meter idles for more than 10
minutes, the meter automatically turns the power off. When this
happens, the state of the meter is saved the meter can be
turned back on by pushing any key switch or changing the
rotary mode. The meter will give an alarm 15 seconds before
the meter automatically turns the power off. To disable the auto
power off function, power-up the meter while pressing either
the range or Hz switch.
Hz sensitivity
The sensitivity in the Hz mode (pushing key) is 1/10 of full
scale range. The accuracy is same as Frequency mode. The
measuring frequency is from 40Hz up to 1KHz.
APO RPM
˜
Circuit Connection:
˜
˜
˜
5
Hz
87
DC Volts
Range Resolution Max Display Accuracy
300mV 100µV 300.0 ±(0.25% +1)*
3V 1mV 3.000
30V 10mV 30.00
300V 100mV 300.0
750V 1V 750
Input Impedance: 10MΩ (over 1000MΩ in 300 mV range)
±(0.4% reading +1 digit) in 3V range
To Measure DC Voltage:
1. Plug the black test lead into the COM port and the red test
lead into the VΩHz port.
2. Set the rotary switch to the V position.
3. Push the blue button until DC is shown on the display.
4. Connect the meter in parallel with the load or circuit.
5. Measure DC Voltage.
AC Current
Range Resolution Max Accuracy Voltage
Display Burden
30mA 10µA 30.00 ±(2.0% +5)* 200V max
300mA 0.1mA 300.0 2Vmax
10A 10mA 10.00 ±(2.5% +5)* 2V max
AC Conversion Type:Average Sensing rms indication
40Hz ~ 1kHz
Overload Protection: 1A (500V) fast blow fuse for mA input
10A (500V) fast blow fuse for A input
To Measure True RMS AC Current:
1. Plug the black test lead into the COM port and the red test
lead into the mA or A port.
2. Set the rotary switch to the mA or A position.
3. Push the blue button until AC is shown on the display.
4. Connect the meter in series with the load or circuit.
5. Measure AC Current.
APO RPM
˜
Circuit Connection:
Circuit Connection:
APO RPM
Hz
Hz
109
DC Current
Range Resolution Max Accuracy Voltage
Display Burden
30mA 10µA 30.00 ±(1.5% +2) 200Vmax
300mA 0.1mA 300.0 ±(1.5% +2) 2Vmax
10A 10mA 10.00 ±(2.0% +2) 2V max
Overload Protection: 1A (500V) fast blow fuse for mA input
10A (500V) fast blow fuse for A input
To Measure DC Current:
1. Plug the black test lead into the COM port and the red test
lead into the mA or A port.
2. Set the rotary switch to the mA or A position.
3. Push the blue button until
DC is shown on the display.
4. Connect the meter in series with the load or circuit.
5. Measure DC Current.
Frequency/RPM
Range Resolution Max Sensitivity Accuracy
Display
3kHz/30kRPM 1Hz/30RPM 3.000/30.00 100mV* Frequency:
30kHz/300kRPM 10Hz/300RPM 30.00/300.0 0.01%±1
300kHz/3MRPM 100Hz/3KRPM 300.0/3.000
3MHz/30MRPM 1kHz/30KRPM 3.000/30.00 RPM:
30MHz/300MRPM 10kHz/300KRPM 30.00/300.0 250mV 0.01% ±10
*Less than 50Hz the sensitivity is 1.5V.
To Measure Frequency:
1. Plug the black test lead into the COM port and the red test
lead into the VΩHz port.
2. Set the rotary switch to the HZ RPM position.
3. For RPM, Push the blue button until RPM is shown on
the display.
4. Connect the meter in parallel with the load or circuit.
5. Measure Frequency or RPM.
APO RPM
Circuit Connection:
Circuit Connection:
APO RPM
Hz
Hz
1211
Resistance (Ohms)
Range Resolution MaxDisplay Accuracy
300Ω 0.1Ω 300.0 ±(1.0% +4)
3kΩ 1Ω 3.000 ±(0.7% +3)
30kΩ 10Ω 30.00
300kΩ 100Ω 300.0
3MΩ 1kΩ 3.000 ±(1.0%+3)
30MΩ 10kΩ 30.00 ±(2.0% +5)
Open Circuit Voltage: -1.5V approx.
To Measure Resistance:
1. Turn the power off to the circuit or device that is to be measured and discharge all capacitors before attempting a measurement.
2. Plug the black test lead into the COM port and the red test
lead into the VΩHz port.
3. Set the rotary switch to the Ω position.
4. For correct reading, ensure that the device being tested contains no voltage.
5. Press the range button to select the proper range of the
meter.
6. Measure resistance.
Range Guide for Ohms (Ω):
300 = Meter indicates actual resistance
3k = Multiply meter display reading by 1,000 to
acquire actual resistance.
30k = Multiply meter display reading by 1,000 to
acquire actual resistance.
300k = Multiply meter display reading by 1,000 to
acquire actual resistance.
3M = Multiply meter display reading by
1,000,000 to acquire actual resistance
300M= Multiply meter display reading by
1,000,000 to acquire actual resistance.
The meter displays total resistance through all possible paths between the probe-tips. These multiple
paths may result in measurements that do not correspond to the ohm value indicated by the resistor
color code.
Determining Resistor Values:
To determine the value of a resistor, use the color bands on the
resistor and the table on the following page.
APO RPM
Circuit Connection:
Hz
14
13
Resistor Color Code Table
1st 2nd Tolerance
Color Digit Digit Multiplier (Percentage)
Black 0 0 1
Brown 1 1 10
Red 2 2 100
Orange 3 3 1,000
Yellow 4 4 10,000
Green 5 5 100,000
Blue 6 6 1,000,000
Violet 7 7 10,000,000
Gray 8 8 100,000,000
White 9 9 1,000,000,000
Gold +/- 5%
Silver +/- 10%
No Color +/- 20%
Example:
1st color band is blue so the first digit is a 6
2nd color band is red so the second digit is a 2
3rd color band is yellow so multiply 62 x 10,000
4th color band is gold so the tolerance is ±5%
Your Resistor value is 620,000 Ohms (620kΩ) with a tolerance
of ±5%.
Diode Testing
Function Resolution Accuracy Max.Test Max.Open
Current Circuit
Voltage
1mV +(1.5% +5)* 1.5mA 3V
* For 0.4V to 0.8V.
Overload Protection: 600V rms max
Diode Check:
To ensure a proper functioning diode, the meter will develop a
voltage across the component from a test current. The diode
test function allows measurements of forward voltage drops
across diode and transistor junctions.
1. Turn off power to the device or circuit that is being tested
and discharge all capacitors.
2. Plug the black test lead into the COM port and the red test
lead into the VΩHz port.
3. Set the rotary switch to the Ω position.
4. Press the blue button until is shown on the display
5. Connect the test leads to the diode. Normally the forward
voltage drop of a good silicone diode is shown between
400V and 90V. If the diode under test is defective, “000”
(short circuit) or “OL” (non-conductive) is displayed.
Blue
Red
Yellow
Gold
APO RPM
Circuit Connection:
Hz
Continuity Check
To Verify Continuity:
A continuity test ensures that all circuit connections are intact.
1. Plug the black test lead into the COM port and the red test
lead into the VΩHz port.
2. Set the rotary switch to the Ω position.
3. Press the blue button until is shown in the display.
4. Connect the test leads to the circuit to be measured. The
buzzer will sound if the resistance of the circuit measured is
lower than 30Ω.
1615
Accessories
For AC Current Clamp (61-450):
1. Plug the black test lead into the COM port and the red test
lead into the VΩHz port.
2. Remove the probe tips from the end of the leads.
3. Attach the leads to the current clamp. (polarity will not effect
reading)
4. Set the rotary switch to the V position.
5. Push the blue button until AC
is shown on the display.
6. Snap the jaw of the current clamp around one of the current
carrying conductors.
APO RPM
˜
Circuit Connection:
APO RPM
Hz
Hz
1817
General Specifications
LCD Display: 3400 count maximum reading
Bar Graph Display: 70 segment analog bar graph
Polarity Indication: Automatic, negative indicated,
positive implied
Overrange Indication: “OL” or “-OL”
Low Battery Indication: “ ” when the battery
voltage drops below operating
voltage
Size (WxHxD): 88mm x 180mm x 33.5mm
(without holster)
94mm x 188mm x 40mm (with
holster)
Sampling: 2 times/sec LCD Display,
12 times/sec bar graph
Auto Power Off: Approx. 10 min.
Operating Temperature: 0°C ~ 30°C (<80% RH),
30°C ~ 40°C (<75% RH),
40°C ~ 50°C (<45% RH)
Storage Temperature: -20°C ~ 60°C (0~80% RH)
when battery removed from
meter
Temperature Coefficient: 0.15 x (specified accuracy) /
°C, <18°C or >28°C
Power Requirements: 2 x 1.5V AAA, IEC LR03, or
AM4 batteries
Battery Life: 500 hours (alkaline )
Installation Category: IEC 1010, 1000V Cat. II,
600V Cat III
Maintenance
Battery Installation or Replacement:
The #61-480 is powered by two 1.5V batteries.
1. Remove the test leads from the front terminals and turn the
meter off.
2. Remove the screw from the battery cover and lift to remove.
3. Lift battery box and replace batteries.
4. Make sure the battery box leads do not become pinched
between the case and battery cover before replacing the
battery cover and screw.
Fuse Replacement
1. Remove the test leads from the front terminals and turn the
meter off.
2. Remove the screw from the battery cover and lift to remove.
3. Remove the screws from the bottom case and the inside of
the battery cover and lift the case bottom until it unsnaps
from the case top.
4. Remove the defective fuse by gently prying one end of the
fuse loose and sliding the fuse out of the fuse holder.
5. Install a new fuse of the same size and rating. Make sure it
is centered in the fuse holder.
6. Make sure the battery box leads do not become pinched
between the case and battery cover before replacing the
bottom case and battery cover.
Warning
To avoid electrical shock, remove test lead before opening the
cover. Repairs or servicing not covered in this manual should
only be performed by qualified personnel.
C
19
Lifetime Limited Warranty
This meter is warranted to the original purchaser against
defects in material or workmanship for the lifetime of the meter.
During this warranty period, IDEAL INDUSTRIES, INC. will, at
its option, replace or repair the defective unit, subject to
verification of the defect or malfunction.
This warranty does not apply to defects resulting from abuse,
neglect, accident, unauthorized repair, alteration, or
unreasonable use of the instrument.
Any implied warranties arising out of the sale of an IDEAL
product, including but not limited to implied warranties of
merchantability and fitness for a particular purpose, are limited
to the above. The manufacturer shall not be liable for loss of
use of the instrument or other incidental or consequential
damages, expenses, or economic loss, or for any claim or
claims for such damage, expenses or economic loss.
State laws vary, so the above limitations or exclusions may not
apply to you. This warranty gives you specific legal rights, and
you may also have other rights which vary from state to state.
IDEAL INDUSTRIES, INC.
Sycamore, IL 60178, U.S.A.
800-304-3578 Customer Assistance
www.testersandmeters.com
ND 2350-1 Made in Taiwan
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