Extech Instruments MA130 User manual

USER MANUAL
200A AC Mini Clamp
Meter
Model MA130
Please visit www.extech.com for user
manual translations

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Introduction
Thank you for selecting the Extech Instruments 200A AC
Mini Clamp Meter. The MA130 measures AC Current in
three ranges 2A, 20A, and 200A.
This device is shipped fully tested and calibrated and, with
proper use, will provide years of reliable service. Please
visit our website (www.extech.com) to check for the
latest version of this User Manual, Translations, Product
Updates, Product Registration, and Customer Support.
Features
•Measures AC Current in three manually selectable
ranges 2A, 20A, and 200A
•2000 count Backlit LCD display
•Data Hold freezes displayed reading
•MAX function shows highest reading
•Compact 17mm (0.7") jaw size
•Low battery indicator and Auto Power Off feature
•CAT II-600V and CAT III-300V safety rating
Safety Information
To ensure the safe operation and service of the meter,
follow these instructions closely. Failure to observe
warnings can result in severe injury.
WARNINGS
WARNINGS identify hazardous conditions and
actions that could cause BODILY HARM or DEATH.
Use the meter only as specified in this User Manual to
avoid compromising the protections provided by the
meter.
Be sure to use the switch positions, and ranges when
taking measurements.
Do not use clamp meter on a circuit with voltages
higher than 600V.
Use caution working with voltages above 30 VAC
RMS, 42 VAC peak, or 60 VDC. These voltages pose a
shock hazard.
To avoid misleading readings that could lead to
electric shock and injury, replace the batteries as
soon as the low battery indicator is displayed.

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Do not use the meter in the presence of explosive gas
or vapor.
To reduce risk of fire or electric shock, do not use the
meter if it is wet and do not expose the meter to
moisture.
Individual protective equipment should be used if
HAZARDOUS LIVE parts in the installation where
measurements are to be carried out could be
accessible.
CAUTIONS
CAUTIONS identify conditions and actions that
could cause
DAMAGE to the meter or equipment under test. Do
not expose the meter to extremes in temperature
or high humidity.
Do not expose the meter to extremes in temperature
or to high humidity.
Safety Symbols that are typically marked
on meters and instructions
This symbol, adjacent to another
symbol, indicates the user must refer
to the manual or user guide for
further information.
Risk of electrical shock
Equipment protected by double or
reinforced insulation
Battery symbol
Conforms to EU directives
Do not discard this product in
household trash
AC measurement
Earth ground

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PER IEC1010 OVERVOLTAGE INSTALLATION
CATEGORY
OVERVOLTAGE CATEGORY I
Equipment of OVERVOLT AGE CATEGORY I is equipment for
connection to circuits in which measures are taken to limit the
transient over-voltages 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
Meter Description
1. Clamp Jaw
2. Protective barrier
3. Clamp jaw trigger
open/close
4. Range selection
switch
5. Hold button
6. MAX button
7. Backlight button
8. LCD display
9. Indicator for
geometric center
of clamp head
Note: Battery
compartment is located on back of meter.

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Push-Button Descriptions
H (HOLD) button
Short press to freeze displayed reading (Hicon is
visible). Press again to release the reading.
Backlight button
Press and hold for at least 2 seconds to toggle the
backlight ON-OFF.
MAX button
Press to view the highest (MAX: maximum) readings.
Operating Instructions
CAUTION: Read and understand all of the Safety
statements listed in the safety section of this manual prior
to use.
Powering the Meter
1. Turn the rotary function switch to any position to
power the meter. Check the batteries if the unit fails
to power ON. Refer to the Maintenance section for
battery and fuse replacements.
2. Turn the function switch to the OFF position to power
OFF the meter.
Automatic Power OFF (APO)
The meter automatically powers off (APO) after
approximately 15 minutes of inactivity. In APO mode, turn
the rotary switch OFF and then ON to restart the meter.
The meter can also be powered on by pressing any button
to wake the instrument.

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AC Current Measurements
CAUTION: Observe CAT II 600V, CAT III 300V with respect to Earth
Ground for the Jaw.
1. Set the Function switch to the 2A, 20A, or 200A
range.
2. Press the Trigger to open the clamp jaw.
3. Clamp onto a single conductor (fully enclosing it). See
diagram below for proper clamping technique.
4. Use the indicator mark to determine the geometric
center of the clamp head (see Meter Description
section). Position the measured electrical conductor
as close to this geometric center as possible.
5. Do not allow a gap between the two halves of the
jaw.
6. Read the ACA value on the LCD.
Data Hold
To freeze the displayed reading on the LCD, long press the
Data Hold (H) button (the Hicon will appear on the
display). To release the Data Hold function and return the
meter to normal operation, long press the Data Hold (H)
button again (the Hicon will switch off).
MAX Reading
1. Press MAX to show the highest reading on the
display. The MAXHdisplay icon will appear and the
reading shown will be the highest reading; updating
only when a higher reading is encountered.
2. Press MAX again to exit this mode and to view real
time readings. The MAXH display icon will switch
off.

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Display Backlight
Long press the backlight button to toggle the display
backlight ON or OFF. The backlight automatically dims
after 15 seconds.
Maintenance
WARNING: To avoid electrical shock, disconnect
the meter from any circuit and turn OFF the meter before
opening the case. Do not operate with an open case.
Battery Replacement
1. Turn power OFF.
2. Remove the (1) Phillips head screw that secures the
battery compartment on the back of the meter.
3. Open the battery compartment and replace the
two (2) 1.5V AAA batteries observing correct
polarity.
4. Re-assemble the meter before use.
Safety: Please dispose of batteries responsibly; never
dispose of batteries in a fire, batteries may explode or leak.
If the meter is not to be used for 60 days or more, remove
the battery and store separately.
Never dispose of used batteries or rechargeable batteries in
household waste.
As consumers, users are legally required to take
used batteries to appropriate collection sites, the
retail store where the batteries were purchased, or
wherever batteries are sold.
Disposal: Do not dispose of this instrument in household
waste. The user is obligated to take end-of-life devices to a
designated collection point for the disposal of electrical and
electronic equipment.
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 batteries
and store separately.

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Specifications
Specifications stated for ambient conditions 23°C ±5°C (73.4
°F ±9°F); Relative Humidity < 75%
General Specifications
Display
2000 count LCD with multifunction
indicators
Functions
Current (ACA)
Polarity
“-“ indicates negative polarity
(positive polarity assumed)
Overload
Protection
Max. overload protection for clamp
head terminal is 200A.
O.L. is displayed.
Display rate
2-3 readings/second
Battery
Two 1.5V AAA batteries; Low battery
display
Operating
Temperature
0°C to 40°C (32°F to 104°F)
Operating
Humidity
0°C to 30°C (32°F to 86°F); <75%RH
30°C to 40°C (86°F to 104°F); <
50%RH
Storage
Temperature
-10°C to 50°C (14°F to 122°F)
Altitude
<2000m (6562’)
Weight
150g (5.3 oz.) including battery
Dimensions
158 x 60 x 33.5mm (6.2 x 2.4 x 1.3”)
Jaw opening
16mm (0.6”)
Standards
EN 61010-1, EN61010-2-032,
EN61010-2-033; Category II 600V,
Category III 300V; pollution degree
2; double insulation
Electromagnetic
compatibility
< 1V/m RF field: Overall accuracy =
specified accuracy +5% of the range.
Unspecified indication for 1V/m RF
field.

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Range Specifications
Accuracy stated for ambient conditions 23°C ±5°C (73.4°F
±9°F)
AC
Current
Ranges
Resolution
Accuracy
Overload
Protection
2.000 A
1mA
±(4.0%rdg+
30 digits)
200A AC
20.00 A
10mA
±(3.0%rdg
+ 20 digits)
200A AC
200.0 A
100mA
±(2.5%rdg
+ 20 digits)
200A AC
Notes:
Frequency range: 50/60Hz
Maximum overload protection for clamp head terminal
is 200A
Accuracy stated for 10~100% of range; < 20-digit
residual reading for 2A open circuit.
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All rights reserved including the right of reproduction in whole or in part in any
form
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