Sperry instruments DSA660 User Manual

2
Display Symbols
APO
Auto Power Off
Indication
Continuity
Relative
Measurement
Hz, kHz,
MHz
Hertz, Kilohertz,
Megahertz (Frequency)
NCV
Non-contact
Voltage Detection
Diode Check Data Hold
%
Duty Cycle
MAX
Maximum value
—
Negative Value
mV, V
Millivolt, Volt
Low Battery
MIN
Minimum value
DC
Direct Current
µA,mA, A
Amperes, Milliamp,
Microamp (Current)
OL
Overload
AUTO
Auto Ranging
AC
Alternating Current
Ω, kΩ,
MΩ
Ohm, Kiloohm,
Megaohm (Resistance)
1. FEATURES AND MEASUREMENT FUNCTIONS
• 5999 count backlit display
• Contoured body provides comfortable single handed grip
• Auto ranging
• Auto shut off features to extend battery life
• Auto shut off disable feature
• Low battery indicator
• Data hold
• Polarity indication: Automatic, + Implied, Negative Polarity Indicator
• Over range indication: ‘OL’
• Overload protection
• Non-contact voltage detection: 50 to 500 VAC
• Resistance measurement: 0.1Ω - 60MΩ
• Continuity check: Provides an audible indication below 10Ω
• Diode check: Measure the forward voltage drop across a diode junction
• DC voltage measurement: 600 VDC max
• AC voltage measurement: 600 VAC max
• AC current measurement: 400A max
• Frequency measurement: up to 9.999MHz
• Relative measurement: Used for comparative measurement
• Duty cycle measurement: 0.1% - 99.9%
• Maximum and minimum value hold
2. SAFETY WARNINGS
• This instruction manual contains warnings and safety rules which must be observed by
the user to ensure safe operation of the instrument and retain it in safe condition.
• Read through and understand the instructions contained in this manual before using the instrument.
• Keep the manual at hand to enable quick reference whenever necessary.
• The instrument is to be used only in its intended applications.
• Understand and follow all the safety instructions contained in the manual.
• It is essential that all safety instructions are adhered to.
• Failure to follow the safety instructions may cause injury, instrument damage.
The symbol
indicated on the instrument means that the user must refer to the related parts in the manual
for safe operation of the instrument. It is essential to read the instructions wherever the symbol appears in the manual.
DANGER is reserved for conditions and actions that are likely to cause serious or fatal injury.
WARNING is reserved for conditions and actions that can cause serious or fatal injury.
CAUTION is reserved for conditions and actions that can cause injury or instrument damage.

Sperry instruments DSA660 Specifications

General

Brand	Sperry instruments
Model	DSA660
Category	Measuring Instruments
Language	English