Extech 400 Series Multimeter Comparison Chart

Specifications	EX410	EX411	EX420	EX430	EX450	EX470
Temperature (IR)	—	—	—	—	-58 to 518°F	-58 to 518°F
Averaging/True RMS	Averaging	True RMS	Averaging	True RMS	Averaging	True RMS
Basic Accuracy (VDC)	±0.5%	±0.3%	±0.3%	±0.3%	±0.5%	±0.3%
AC Voltage	1mV to 750V	1mV to 750V	0.1mV to 750V	0.1mV to 750V	1mV to 750V	0.1mV to 750V
DC Voltage	0.1mV to 1000V	0.1mV to 1000V	0.1mV to 1000V	0.1mV to 1000V	0.1mV to 1000V	0.1mV to 1000V
AC Current	0.1mA to 20A	0.1mA to 20A	0.1µA to 20A	0.1µA to 20A	0.1µA to 20A	0.1µA to 20A
DC Current	0.1µA to 20A	0.1µA to 20A	0.1µA to 20A	0.1µA to 20A	0.1µA to 20A	0.1µA to 20A
Resistance	0.1Ω to 20MΩ	0.1Ω to 20MΩ	0.1Ω to 40MΩ	0.1Ω to 40MΩ	0.1Ω to 20MΩ	0.1Ω to 40MΩ
Capacitance	—	—	0.01nF to 100µF	0.01nF to 100µF	—	0.01nF to 100µF
Frequency	—	—	0.001Hz to 10MHz	0.001Hz to 10MHz	—	0.001Hz to 10MHz
Temperature (Type K)	-4 to 1382°F	-4 to 1382°F	-4 to 1382°F	-4 to 1382°F	—	-4 to 1382°F
Duty Cycle	—	—	0.1% to 99.9%	0.1% to 99.9%	—	0.1% to 99.9%
Continuity / Diode	Yes	Yes	Yes	Yes	Yes	Yes
Dimensions	7.4x3.2x2"	7.4x3.2x2"	7.4x3.2x2"	7.4x3.2x2"	7.4x3.2x2"	7.4x3.2x2"
Weight	0.75lbs (342g)	0.75lbs (342g)	0.75lbs (342g)	0.75lbs (342g)	0.75lbs (342g)	0.75lbs (342g)
Warranty	1 year	1 year	1 year	3 years	3 years	3 years