AM-540 - 

The Advanced HVAC Multimeter is specifically designed for the more demanding HVAC applications. The AM-540 measures a complete range of electrical parameters and features key functions such as temperature, dual thermocouple with differential measurement, low pass filter to take accurate measurements on variable frequency drives, capacitance to check motor startup capacitors, micro amps for flame sensor troubleshooting, and a complete range of electrical parameters. With built-in flashlight and VolTectPlus™ non-contact voltage detection the AM-540 is the choice multimeter for a professional HVAC technician.
Features:

AC/DC Voltage up to 1000V, AC/DC current, resistance, frequency, capacitance, temperature, duty cycle

Dual thermocouple to take simultaneous temperature readings on low and high side of an HVAC system

Low pass filter for variable frequency drives

VolTect Plus™ Non-contact voltage detection

Audible continuity

Diode test

Dual reading backlit LCD display with analog bar graph

Data hold

Max/min memory

Peak hold (crest)

Relative zero mode

Built in work light

Built in test leads storage and “third hand” test lead holder

Warning against improper test leads connection

Auto and manual ranging

Auto power off and low battery warning

Safety rated: CAT IV 600V, CAT III 1000V