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High Accuracy Digital Multimeter with USB Interface
• Infrared coupling USB interface.
• Operating temperature:
0°C to 30°C (relative humidity 0 to 80%) /
31°C to 51°C (relative humidity 0 to 50%)
• Storage temperature: -20°C to 60°C (relative humidity <= 80%)
• Altitude: Operation - less than 2000m / Storage - less than 10000m
• Volume: 200mm x 100mm x 40mm
• Meter weight: 512g
5.2 Range and Accuracy
The below-listed refers to the different ranges which are guaranteed by the meter
within one-year calibration, with normal use under the operating temperature of
18°C to 28°C and relative humidity less than 80%. The presentation for accuracy
is: ± (**% reading digits + number of lower digits)
AC Voltage/DC Voltage + AC Voltage
NNootteess::
above accuracies can be guaranteed within 10% to 100% of the full range.
DC Voltage
NNootteess::
above accuracies can be guaranteed within the full range.
RANGE RESOLUTION ACCURACY
40Hz-1KHz 1KHz-10KHz 10KHz-20KHz
50mV 0.001mV ± (0.5% + 40) ± (1% + 40) ± (2.5% + 40)
500mV 0.01mV ± (0.5% + 40) ± (1% + 40) ± (2.5% + 40)
5V 0.1mV ± (0.5% + 40) ± (1% + 40) ± (2.5% + 40)
50V 1mV ± (0.5% + 40) ± (1% + 40) ± (2.5% + 40)
500V 10mV ± (0.5% + 40) ± (1% + 40) unspecified
1000V 0.1V ± (0.5% + 40) unspecified unspecified
RANGE RESOLUTION ACCURACY
50mV 0.001mV ± (0.03% + 10)
500mV 0.01mV ± (0.03% + 6)
5V 0.1mV ± (0.03% + 6)
50V 1mV ± (0.03% + 6)
500V 10mV ± (0.03% + 6)
1000V 0 .1V ± (0.03% + 6)
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