Specifications - Extech Instruments 420 User Manual

Specifications

Function Range Resolution
DC Voltage 400mV 0.1mV
4V 0.001V
40V 0.01V
400V 0.1V
1000V 1V
AC Voltage
400mV 0.1mV
4V 0.001V
40V 0.01V
400V 0.1V
750V 1V
DC Current
400A 0.1A
4000A 1A
40mA 0.01mA
400mA 0.1mA
4A 0.001A
20A 0.01A
AC Current
400A 0.1A
4000A 1A
40mA 0.01mA
400mA 0.1mA
4A 0.001A
20A 0.01A
Resistance
400 0.1
4k 0.001k
40k 0.01k
400k 0.1k
4M 0.001M
40M 0.01M
Capacitance 40nF 0.01nF
400nF 0.1nF
4F 0.001F
40F 0.01F
100F 0.1F
NOTE: Accuracy is stated at 18
(0.3% reading + 2 digits)
(0.5% reading + 2 digits)
(0.8% reading + 3 digits)
50 to 400Hz
(1.5% reading + 15
digits)
(1.5% reading + 6
digits)
(1.8% reading + 6
digits)
(1.5% reading + 3 digits)
(2.5% reading + 5 digits)
50 to 400Hz
(1.8% reading + 8
digits)
(3.0% reading + 8
digits)
(0.8% reading + 4 digits)
(0.8% reading + 2 digits)
(1.0% reading + 2 digits)
(3.0% reading + 5 digits)
(5.0% reading + 7 digits)
(3.0% reading + 5 digits)
(3.5% reading + 5 digits)
(5.0% reading + 5 digits)
o o o o
C to 28 C (65 F to 83 F) and less than 75% RH.
13 EX420-EU_ENG
Accuracy
400Hz to 1kHz
(2.5% reading +
15digits)
(2.5% reading + 8
digits)
(3% reading + 8 digits)
400Hz to 1KHz
(3.0% reading + 7
digits)
(3.5% reading + 10
digits)
V3.1 6/09