Fluke 438-II/BASIC User Manual - Page 7

Motor Analyzer Motor Measurements Motor Measurements Table 1 is a list of supported motors: Table 1. Motor Configurations Motor type Motor measurement connection Motor winding connection 3-phase asynchronous 3-Wire Direct on Line or 3-Wire connected to VSD WYE or Delta Table 2 is a list of the range and accuracy of the Motor Analyzer-specific functions. See Specifications in the Fluke 430 Series II Users Manual for the specifications of the other functions. Table 2. Motor Analyzer Range and Accuracy Motor Measurement Range Resolution Accuracy Default Limit Mechanical Motor Power 0.7 kW to 746 kW 1 hp to 1000 hp 0.1 kW 0.1 hp ±3 %[1] ±3 %[1] 100 % = nominal power[2] 100 % = nominal power[2] Torque 0 Nm to 25 000 Nm 1 Nm 0 lb ft to 18 500 lb ft 0.1 lb ft ±5 %[1] ±5 %[1] 100 % = nominal torque[2] 100 % = nominal torque[2] rpm Direct on Line VSD Efficiency 000 rpm to 3600 rpm 1 rpm 500 rpm to 4140 rpm 0 % to 100 % 0.1 % ±3 %[1] ±3 %[1] 100 % = nominal rpm[2] NA Unbalance (NEMA MG 1) 0 % to 100 % 0.1 % ±0.15 % 5 % Harmonics Voltage Factor (NEMA MG 1) 0 to 0.20 0.01 ±1.5 % 0.15 Unbalance Derating Factor 0.7 to 1.0 0.1 indicative NA Harmonics Derating Factor 0.7 to 1.0 0.1 indicative NA Total Derating Factor 0.5 to 1.0 0.1 indicative NA [1] Add 5% error when selecting Motor design type Other Specification valid for Motor Power >30 % of rated power, when operating at