Extech MA1500 clamp meter User's Guide

User's Guide
1500Amp True RMS AC/DC
Clamp Meter
Model MA1500
Introduction
Congratulations on your purchase of this MA1500 True RMS Clamp Meter. This meter
measures AC Current, DC Current, AC/DC Voltage, Resistance, Capacitance, Frequency,
Diode Test, Duty Cycle and Continuity. The molded case is designed for heavy duty use.
This meter is shipped fully tested and calibrated and, with proper use, will provide years of
reliable service.
Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user
must refer to the manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal use,
hazardous voltages may be present
Double insulation
WARNING
This WARNING symbol indicates a potentially hazardous situation,
which if not avoided, could result in death or serious injury.
CAUTION
This CAUTION symbol indicates a potentially hazardous situation, which
if not avoided, may result damage to the product.
PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY
OVERVOLTAGE CATEGORY I
Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in
which measures are taken to limit the transient overvoltages to an appropriate low level.
Note – Examples include protected electronic circuits.
OVERVOLTAGE CATEGORY II
Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be
supplied from the fixed installation.
Note – Examples include household, office, and laboratory appliances.
OVERVOLTAGE CATEGORY III
Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.
Note – Examples include switches in the fixed installation and some equipment for industrial
use with permanent connection to the fixed installation.
OVERVOLTAGE CATEGORY IV
Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation.
Note – Examples include electricity meters and primary over-current protection equipment
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SAFETY NOTES
•
•
•
•
Do not exceed the maximum allowable input range of any function.
Do not apply voltage to meter when resistance function is selected.
Set the function switch OFF when the meter is not in use.
Remove the battery if meter is to be stored for longer than 60 days.
WARNINGS
•
•
•
•
Set function switch to the appropriate position before measuring.
When measuring volts do not switch to current/resistance modes.
Do not measure current on a circuit whose voltage exceeds 600V.
When changing ranges, always disconnect the test leads from the circuit under test.
CAUTIONS
•
•
•
•
•
•
•
•
•
•
•
Improper use of this meter can cause damage, shock, injury or death. Read and
understand this user manual before operating the meter.
Always remove the test leads before replacing the battery or fuses.
Inspect the condition of the test leads and the meter itself for any damage before
operating the meter. Repair or replace any damage before use.
Use great care when making measurements if the voltages are greater than 25VAC
rms or 35VDC. These voltages are considered a shock hazard.
Always discharge capacitors and remove power from the device under test before
performing Diode, Resistance or Continuity tests.
Voltage checks on electrical outlets can be difficult and misleading because of the
uncertainty of connection to the recessed electrical contacts. Other means should be
used to ensure that the terminals are not "live".
If the equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
This device is not a toy and must not reach children’s hands. It contains hazardous
objects as well as small parts that the children could swallow. In case a child
swallows any of them, please contact a physician immediately
Do not leave batteries and packing material lying around unattended; they can be
dangerous for children if they use them as toys
Expired or damaged batteries can cause cauterization on contact with the skin.
Always, therefore, use suitable hand gloves in such cases
Do not short-circuited the battery. Do not throw batteries into a fire.
Function
Maximum Input
A AC,
1500A DC/AC
A DC
1500A DC/AC
V DC, V AC
1000V DC/AC
Resistance, Capacitance, Frequency, Diode Test
250V DC/AC
Type K Temperature
30V DC, 24V AC
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Description
Meter Description
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
8
Current clamp
Clamp opening trigger
RANGE Button
MODE button
MAX/MIN button
INRUSH button
Backlit LCD Display
Non-Contact Voltage Detector
NCV LED indicator
Function switch and HOLD button
o
o
C / F select button
Back light button
ZERO button
PEAK button
Multimeter input jacks
1
2
3
4
5
6
7
9
10
11
12
13
14
15
Display icons Description
HOLD
APO
AUTO
P
DC
AC
MAX
MIN
ZERO
mV or V
Ω
A
F
Hz
%
o
o
F and C
n, m, μ, M, k
•)))
Data Hold
Auto Power Off
Autoranging
Peak Hold
Direct Current
Alternating Current
Max reading
Min reading
Low battery
DCA or CAP zero
Milli-volts or Volts (Voltage)
Ohms (Resistance)
Amperes (Current)
Farad (Capacitance)
Hertz (Frequency)
Duty Ratio
Fahrenheit and Celsius units (Temperature)
Unit of measure prefixes: nano, milli, micro, mega, and kilo
Continuity test
Diode test
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Operation
NOTES: Read and understand all Warning and Caution statements in this operation
manual prior to using this meter. Set the function select switch to the OFF position when
the meter is not in use.
Non-Contact Voltage Detector
WARNING: Risk of Electrocution. Before use, always test the Voltage Detector on a
known live circuit to verify proper operation.
1.
Rotate the Function switch to any measurement
position.
2.
Place the detector probe tip on the conductor to be
tested.
3.
If AC voltage is present, the NCV detector will turn on
with a steady red light.
NOTE: The conductors in electrical cord sets are often
twisted. For best results, move the probe tip along a
length of the cord to assure placing the tip close to
the live conductor.
NOTE: The detector is designed with high sensitivity. Static electricity or other sources of
energy may randomly trip the sensor. This is normal operation.
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AC/DC Current Measurements
WARNING: Disconnect the test leads before measuring with clamp.
1.
Rotate the Function switch to the 1500A AC/DC
position.
2.
Press the MODE button to select AC or DC.
3.
Press the trigger to open jaw. Fully enclose only
one conductor.
4.
Read the current value in the display.
5.
If the value is less than 400A, rotate the function
switch to the 400A AC/DC position to improve
resolution.
DCA Zero
The Zero feature removes offset values and improves accuracy for DC current
measurements. To perform a zero, select DC and, with no conductor in the jaw, press
the ZERO button. The display will show approxemately zero. The offset value is now
stored and removed from all measurements.
Frequency
When ACA is selected, the measured frequency can be viewed in the lower display.
AC/DC Voltage Measurements
CAUTION: Do not measure voltages if a motor on the circuit is being switched ON or
OFF. Large voltage surges may occur that can damage the meter.
1.
Rotate the function switch to the V position.
2.
Press the MODE button to select AC or DC Voltage.
3.
Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive V jack.
Touch the black test probe tip to the negative side of the circuit.
Touch the red test probe tip to the positive side of the circuit.
Read the voltage value in the display.
4.
5.
Frequency
When ACV is selected, the measured frequency can be viewed in the
lower display.
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Resistance Measurements
Note: Remove power from the device under test before measuring resistance.
1.
Set the function switch to the Ω position.
2.
Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive V jack.
3.
Touch the black test probe tip to one side of the device to be measured.
Touch the red test probe tip to the other side of the device to be measured.
4.
Read the resistance value in the display.
Continuity Test
1.
Set the function switch to the •) )) position.
2.
Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive V jack.
3.
Press the MODE button to select •) )) (continuity).
4.
Touch the test probe tips across the circuit or component under test.
5.
If the resistance is less than the continuity threshold, a tone will sound.
Diode Test
1.
Set the function switch to the
position.
2.
Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive V jack.
3.
Press the MODE button to select
4.
Touch the test probe tips to the diode or semiconductor junction under test. Note the
meter reading.
5.
Reverse the test lead polarity by reversing the red and black leads. Note this reading.
6.
The diode or junction can be evaluated as follows:
(diode).
ƒ If one reading displays a value (typically 0.400V to 01.800V) and the other
reading displays OL, the diode is good.
ƒ If both readings display OL the device is open.
ƒ If both readings are very small or ‘0’, the device is shorted.
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Capacitance Measurements
WARNING: To avoid electric shock, discharge the capacitor before measuring.
1.
Set the function switch to the CAP position.
2.
Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive
jack.
3.
Press the MODE button to select capacitance (μF) measurements.
4.
Touch the black test probe tip to one side of the device.
Touch the red test probe tip to the other side of the device.
5.
Read the capacitance value in the display.
Note: For very large values of capacitance measurement time can be several seconds
before the final reading stabilizes.
Note: The Zero feature removes stray test lead capacitance to improve the accuracy of low
value capacitance measurements. Press the ZERO button and the display will zero.
The offset value is now stored and is subtracted from all measurements.
Frequency and Duty Ratio Measurements
1.
Rotate the function switch to the Hz % position.
2.
Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive Hz jack.
3.
Touch the black test probe tip to one side of the device.
Touch the red test probe tip to the other side of the device.
4.
Read the Frequency value on the upper large display.
Read the Duty Ratio on the lower small display.
Type K Temperature Measurements
1.
Rotate the function switch to the Temp position.
2.
Press the °F/°C button to select °F or °C.
3.
Plug the type K probe into the COM and TEMP jacks using the mini-plug to banana
pug adaptor provided. Make sure that the positive and negative terminals are
connected correctly.
4.
Connect the temperature probe tip(s) to the object which will be tested.
5.
Read the temperature on the display.
Note: In case of an open input or a temperature overrange, the meter will display “- - - - -” .
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Data Hold
To freeze the LCD reading, press the HOLD button (located on the function switch knob).
While data hold is active, the HOLD icon appears on the LCD. Press the HOLD button
again to return to normal operation.
Max/Min
1.
Press the MAX/MIN button to activate the MAX/MIN recording mode. The display icon
"MAX" will appear. The meter will begins recording and displaying the maximum
value measured.
2.
Press the MAX/MIN button and “MIN” will appear. The meter will display the minimum
value measured during the recording session.
3.
Press the MAX/MIN button and “MAX MIN” will appear. The meter will display the
present reading, but will continue to update and store the max and min readings.
4.
To exit MAX/MIN mode press and hold the MAX/MIN button for 2 seconds.
Peak Hold
When ACA or ACV is selected, pressing the PEAK button enables the peak capture circuit.
The meter will now capture and display the maximum and minimum peaks of the
waveform.
Inrush
With ACA is selected, press the INRUSH button to activate the inrush capture circuit,
“- - - -“ will appear in the display. Any transient condition, generally lasting 110-120
milliseconds, that occurs during motor start-up will be captured in the display.
Range
In the Voltage, Resistance, Capacitance, Frequency or μA function the meter automatically
selects the best range for the measurements being made. For measurement situations
requiring that a range be manually selected, perform the following:
1.
Press the RANGE button. The “AUTO” display icon will turn off.
2.
Press the RANGE key to step through the available ranges. Observe the decimal
point and units displayed until the preferred range is located.
3.
To exit the Manual Ranging mode and return to Autoranging, press and hold the
RANGE key for 2 seconds.
LCD Backlight
The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas.
Press
to turn the backlight on and again to turn it off.
Automatic Power OFF with Disable
In order to conserve battery life, the meter will automatically turn off after approximately 30
minutes. To turn the meter on again, turn the function switch to the OFF position and then
turn to the desired function position.
To disable APO:
1. From the OFF position, hold the MODE button and rotate the FUNCTION switch to a
measurement function.
2.
will appear in the display
3.
Release the MODE button
4.
APO is now disabled (APO icon is off) and will be reset when the Function switch is
returned to the OFF position.
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Low battery indication
When the
icon and “-----“appears in the display, the battery should be replaced. Refer
to the battery replacement procedure in the maintenance section.
Maintenance
WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the
test leads from the input terminals, and turn OFF the meter before opening the case. Do
not operate the meter with an open case.
Cleaning and Storage
Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or
solvents. If the meter is not to be used for 60 days or more, remove the battery.
Battery Replacement
1.
Remove the Phillips head screw secures the rear battery door.
2.
Open the battery compartment
3.
Replace the 9V battery
4.
Secure the battery compartment door with the screw
Warranty
EXTECH INSTRUMENTS CORPORATION (A FLIR COMPANY) warrants this instrument to
be free of defects in parts and workmanship for one year from date of shipment (a six
month limited warranty applies to sensors and cables). If it should become necessary to
return the instrument for service during or beyond the warranty period, contact the
Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our
website www.extech.com for contact information. A Return Authorization (RA) number
must be issued before any product is returned to Extech. The sender is responsible for
shipping charges, freight, insurance and proper packaging to prevent damage in transit.
This warranty does not apply to defects resulting from action of the user such as misuse,
improper wiring, operation outside of specification, improper maintenance or repair, or
unauthorized modification. Extech specifically disclaims any implied warranties or
merchantability or fitness for a specific purpose and will not be liable for any direct, indirect,
incidental or consequential damages. Extech's total liability is limited to repair or
replacement of the product. The warranty set forth above is inclusive and no other
warranty, whether written or oral, is expressed or implied.
Calibration and Repair Services
Extech offers repair and calibration services for the products we sell. Extech also
provides NIST certification for most products. Call the Customer Care Department for
information on calibration services available for this product. Extech recommends that
annual calibrations be performed to verify meter performance and accuracy.
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Specifications
Function
DC Current
AC Current
True RMS (50Hz to
60 Hz)
Range& Resolution
400.00 ADC
Accuracy (% of reading)
± (2.0% +30digits)
1500.0 ADC
± (2.5% +30digits)
400.00 AAC
± (2.8% +30digits)
1500.0 AAC
All AC current ranges are specified from 5% to 100% of range
400.00 mVDC
± (0.1% + 5 digits)
4.0000 VDC
DC Voltage
± (0.1% + 4 digits)
40.000 VDC
400. 00 VDC
AC Voltage
True RMS (50 Hz to
1000 Hz)
1000.0 VDC
± (0.5% + 4 digits)
400.00 mVAC
± (0.8% + 40 digits)(50/60Hz)
4.0000 VAC
40.000 VAC
± (1.0% + 30 digits)
400. 00 VAC
750.0 VAC
All AC voltage ranges are specified from 5% to 100% of range
400.00 Ω
± (0.5% + 9 digits)
4.0000 kΩ
Resistance
Capacitance
± (1.0% + 4 digits)
40.000 kΩ
400.00 kΩ
4.0000 MΩ
± (2.0% + 10 digits)
40.000 MΩ
± (3.0% + 10 digits)
400.00 nF
±(3.5% reading + 40 digits)
4000.0 nF
±(3.5% reading + 10 digits)
40.00.μF
400.0.μF
4.000 mF
±(5% reading + 10 digits)
20.00 mF
40.00 mF
Frequency
Not specified
40.000 Hz
400.00 Hz
4.0000 kHz
±(0.3% reading + 2 digits)
40.000 kHz
400.00 kHz
4.0000MHz
40.000MHz
Sensitivity: 0.8V rms min. @ 20% to 80% duty cycle and <100kHz; 5Vrms min @ 20%
to 80% duty cycle and > 100kHz.
Duty Cycle
± (1.0% reading + 2 digits)
10.0 to 95.0%
Pulse width: 100µs - 100ms, Frequency: 10Hz to 100kHz
Temp
(type-K)
±(1.0% reading + 2.5 °C)
-100.0 to 1000.0°C
±(1.0% reading + 4.5°F)
-148.0 to 1832.0°F
(probe accuracy not included)
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MA1500 V1.1 6/10
General Specifications
Clamp jaw opening
Display
Continuity check
Diode test
Low Battery indication
Over-range indication
Measurement rate
Peak detector
Thermocouple sensor
Input Impedance
AC bandwidth
AC response
Crest Factor
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Battery
Auto power OFF
Dimensions & Weight
Safety
Approvals
2.0" (52mm) approx.
Dual 40,000/4,000 count backlit LCD
Threshold 25 to 60Ω; Test current < 0.5mA
Test current of 0.3mA typical;
Open circuit voltage 2.8VDC typical
Battery symbol is displayed
‘OL’ display
2 readings per second, nominal
>1ms
Type K thermocouple required
10MΩ (VDC and VAC)
50 to 400Hz (AAC and VAC)
True rms (AAC and VAC)
3.0 in 400A range, 1.4 in 1000A range (50/60Hz and 5% to
100% of range)
5°C to 40°C (41°F to 104°F)
-20°C to 60°C (-4°F to 140°F)
Max 80% up to 31°C (87°F) decreasing linearly to 50% at
40°C (104°F)
<80%
7000ft. (2000meters) maximum.
One (1) 9V Battery (NEDA 1604)
After approx. 30 minutes
11.57x4.13x1.85” (294x105x47mm); 18.9 oz. (536g)
For indoor use and in accordance with the requirements for
double insulation to IEC1010-1 (2001): EN61010-1 (2001)
Overvoltage Category IV 600V and Category III 1000V,
Pollution Degree 2.
CE
Support line (781) 890-7440
Technical Support: Extension 200; E-mail: [email protected]
Repair & Returns: Extension 210; E-mail: [email protected]
Product specifications subject to change without notice
For the latest version of this User Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451
ISO9001 Certified
Copyright © 2009 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
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