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Data Sheet
AC71B
Automatic AC Clamp
Multimeter
The automatic everything clamp meter
The AC71B is a digital clamp multimeter with two additional
unique features: AutoTect™ and automatic backlight. The AutoTect™ feature automatically senses what type of measurement is
being made when the test leads are placed across a measurement
point. There is no knob to turn. The meter knows what is being
measured and the digital display shows the measured value along
with the associated unit icon. AutoTect™ also utilizes a lower
input impedance. This helps determine if voltage is from leakage
(called ghost voltages) or a hard connection. Any ghost voltages
will be zeroed out by the lower input impedance.
The automatic backlight has a sensor that recognizes when the
ambient light becomes dim and turns itself on. A bright blue backlight is then available to easily read the measurement value on
the digital display.
The AC71B is a complete multimeter measuring AC and DC
volts, resistance, continuity in addition to the AC current.
A useful tool for the electrician, plant maintenance, HVAC or
field service technician.
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AutoTect™ Function – automatically selects AC volts, DC volts or ■
resistance depending upon measurement point
Automatic bright blue backlight turns on when a dark
■
environment is sensed
Easy one-button control
■
AC current to 600 A ■
AC volts to 750 V ■
DC volts to 1000 V ■
Resistance and Continuity Beeper ■
Data Hold ■
Conductor size 1.25 in, 32 mm, 750 MCM ■
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AC71B Automatic AC Clamp Multimeter
Data Sheet
General Specifications
Display 6000 digit large scale liquid crystal display (LCD)
Measuring Rate 5 times per second
Overrange Display OL is displayed
Automatic Power Off Time Approximately 30 minutes after power on Low Battery Indication The battery symbol is displayed when
the battery voltage drops below the operating level for accurate results.
Power Single standard 9 V battery, NEDA160A
Battery Life 250 hours with an alkaline 9 V battery
Environmental Indoor use
Operating Temperature 0 °C to 30 °C at ² 80 % R.H.
30 °C to 40 °C at ² 75 % R.H.
40 °C to 50 °C at ² 45 % R.H.
Storage Temperature -20 °C to 60 °C at 0 to 80 % R.H. (battery removed)
Altitude 2000 m (6562 ft)
Conductor Size 32 mm diameter (1.3 in)
Max. Operation Time Delay Time = 30s for input ² 30 V
Shock Vibration Sinusoidal vibration per MIL-PRF-28800F (5 to 55 Hz, 3 G maximum)
Agency Approvals CE, cCSAus
Safety Conforms to EN61010-1:2001; CAT II 1000 V, CAT III 600 V, Pollution degree 2, Class 2
EMC Conforms to EN61326-1.
Amprobe® Test Tools
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