... 4 Current Sensing Clamps. 1P2W, 1P3W, 3P3W2M & 3P4W Power Measurement. True RMS Sensing. Power KW, KVAR, KVA, PF, θ ,Hz, & ... Energy KWh, KVARh & KVAh Measurement. Phase sequency indicator function. Backlight display function. Manual ... to 140 ) R.H. < 70% non-condensingAccessories 1) Instruction manual2) Software CD Rom / Optical RS-232 interface3) Deluxe carrying ...