ES51981
3 1/2 AUTO DMM
Features
Description
ES51981 is an integrated analog-to-digital
Converter(ADC) with 2000 counts LCD
display ,automatic range selection, and 3V
DC power supply. Automatic range
selection is provided for voltage(AC/DC)
measurement, resistor measurement and
current measurement. Expensive and
bulky mechanical range switches are not
required. Other features include data
holding, diode measurement, temperature
measurement, continuity checking, low
battery detection, auto- power off,
re-power on, and RS232 data output.
• 2000 count display
• Full automatic measurement
*Voltage measurement
*Current measurement
*Resistor measurement
• Range change function
• Data hold function
• Diode measurement
• ADP mode with external reference
voltage
Application
Digital Multimeter
• Serial data output (RS232 format)
• Auto power off (10 mins) and re-power
on
• Low battery detect (3V and 9V)
• 3V DC power supply
• Back light function
1
11/01/05