ES51911
11,000 Counts Auto DMM
• Band-gap reference voltage output
• High crest factor signal detection
(Taiwan patent no.: 234661)
• CE selection
Features
• 11,000 counts LCD display
• Conversion rate : 4 times/s
• Full automatic measurement
*Voltage measurement:
110.00mV – 1000.0V
• On-chip independent OPAMP
• Serial data output (RS232 format)
• LCD segment check when power on
• Auto power off with idle time selection
• Sleep output
*Current measurement: μA/mA/A
*Resistance measurement:
110.00Ω – 110.0MΩ
• Re-power on
*Capacitance measurement:
• On-chip buzzer driver
11.000nF – 110.00mF(12.5sec)
(Taiwan patent no.: 453443)
• 3V DC power supply
*Frequency counter:
• Low battery detection for 3V or 9V battery
• Back light function
1.1000KHz – 110.00MHz
• Current modes for clamp meter
• Diode measurement
Description
ES51911 is an integrated analog-to-digital
converter (ADC) with 11,000 counts LCD
display, automatic range selection, and 3V DC
power supply. Automatic range selection is
provided for voltage (AC/DC) measurement,
resistance measurement, current measurement,
capacitance measurement, and frequency
counter. Expensive and bulky mechanical
range switches are not required. Other features
include relative value display, zero-offset
removing feature in manual DCA mode for
clampmeter, data holding, maximum and
minimum holding, diode measurement,
temperature measurement, continuity checking,
low battery detection, auto power off, re-power
on, and RS232 data output.
• Continuity check
• ADP mode with independent reference
voltage
• Temperature mode with internal scale
conversion circuit from 0C to 0F
• VAHZ function
(Taiwan patent no.: 510502)
• Relative function
• Zero function in manual DCA mode
• Data hold function
• MAX/MIN function
• SHIFT function
v1.2
1
11/09/06