TPI 291 Clamp-On Meter

TPI 291 Manual Digital Clamp Simpson F351330 Digital Panel Meter x Bar Graph:When measuring frequency, bar graph indicates current level. Peak Mode:For start-up and inrush currents. Sleep Mode:Preserves battery life. Data Hold:Holds the reading on the display for easy viewing.The 291 is a hand-held manual ranging clamp DMM. The 291 is an affordable choice offering measurements in all basic electrical functions.Applications Thermocouples in furnaces and gas appliances Heat anticipator current in thermostats Test line and control voltage Compressor winding resistance Contactor and relay coil resistance Motor and compressor startup current Continuity of wiring Measure line current Test continuity of circuit breakers and fuses Measure voltage of direct drive DC motors Measure power supply voltagePerform the following tests and/or measurements with the 291 and the appropriate function:HVAC/RDCmV Thermocouples in furnaces.ACA Heat anticipator current in thermostats.ACV Line voltage.ACV or DCV Control circuit voltage.OHMS Compressor winding resistance.OHMS Continuity of wiring.CAP Motor start and run capacitors.ACA Motor and compressor start up current.Hz Frequency on controls and line voltage.ELECTRICALACV Measure line voltage.ACA Measure line current.OHMS Continuity of circuit breakers.DCV Voltage of direct drive DC motors.ACA Start up current of motors, relays, contactors and transformersELECTRONICACV Measure power supply voltage.ACA Measure power supply current.OHMS Continuity of circuit breakers and fuses.