Amprobe PRM 6 Phase Sequence Motor Rotation Tester Digital, 50 to 700V AC, 16 Hz to 400 Hz, CAT IV 600V 48857 Circuit Breaker Type QO Circuit Breaker Type QO 8 Degrees F Data Logging No Humidity Sensing Yes Relative Humidity Range 5% to 95% Special Features Measures BF (Beaufort) Range 1 to 8 Item Phase Sequence Motor Rotation Tester Voltage Range 40 to 700V AC Motor Rotation Yes Frequency Range 16 to 400 Hz Display LCD Phase Rotation Yes Safety Rating CAT IV 600V Phase Voltage Present Indicator No Product Type Phasing & Motor Rotation Meters Includes Batteries Yes Number of Batteries Required 2 CAT Safety Rating CAT IV 600V For Voltage Range 50 to 700V AC Standards CE Wireless Motor Rotation Detection on Running Motors Minimum Operating Temperature 32 Degrees F Circuit Connection Type Non Contact Maximum Operating Temperature 104 Degrees F Display Screen Type LCD with Backlight Minimum Frequency 16 Hz Display Type Digital Alert Type Not Applicable Maximum Frequency 400 Hz Power Source Battery Maximum Operating Temperature 104 Degrees F Package Quantity 1