Multifunction meters offer all basic, energy and power parameters along with power quality parameters of THD and k factor.
- 4410 series: V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Runhours, On hours, Phase angle, Interrupts, THD, Events (High-Low), Neutral Current, k factor
- 4420 series: All parameters of 4410 series plus Maximum Demand (kW & kVA)
- 4430 series: All parameters of Model 4420 series plus Bi-directional (Import-Export)
- 4440 series: All parameters of 4410 series plus Maximum Demand with Real Time Clock (RTC) and Events (high-low) with time stamp