Safety
This manual contains information and warnings that must
be followed for operating the Instrument safely and
maintaining the product in a safe operating condition.
A
CAUTION.
Caution statements identify conditions or
LIApractices
that could result in damage to the
equipment or other property.
A
WARNING.
Warning statements identify conditions
La or practices that could result in personal injury or
loss of life.
Terms as Marked on Equipment
A
ATTENTION
Refer to manual
Do Not Operate Without Covers —
To avoid personal
injury, do not apply any voltage or current to the product
without the covers in place.
Electric Overload —
Never apply a voltage to a connec-
tor on the product that is outside the range specified for
that connector.
Do Not Immerse —
The product is not waterproof.
Product Description
The DMM155 and DMM157 are rugged, handheld digital
multimeters that allow you to make accurate measure-
ments quickly and easily. Whether you are a professional
or hobbyist, these instruments provide a useful range of
features:
•
Shock-absorbing cover
•
Tilt stand, holster hook, and probe holders
•
33 digit (2000 count) LCD display
•
Auto range (volts, ohms) and manual selection
•
Measurement hold or offset
•
Measures DC and AC voltages, DC and AC current,
resistance, diode voltage, continuity, and capacitance
(DMM157)
•
Overvoltage and overload protection
•
Low-power ohms setting
•
Diode and continuity tester with audible signal
•
Alarm that warns of improper connections to the
current inputs
•
Recessed input jacks for safety
•
Automatic power off after 30 minutes prolongs battery
life
•
Low-battery indicator
•
Uses standard 9 V battery
•
Double Insulated
II
1
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