Powertronics Null Modem Cable Plug Earlier versions of the PQRs

Earlier versions of the PQRs were equipped with an RS232 serial port that allowed data to be collected via the PC's communications port

040 Thick Terminal Screws: Brass 10-32 Yoke: Nickel-Plated Brass

Record power problems detected on the Hot and Neutral line

immediate checking of the Probe's LEDs will indicate the worst case power problem

The PQR 2020 monitors are designed to test three phase Power Lines with a high degree of accuracy

Powertronics Null Modem Cable Plug Earlier versions of the PQRsPowertronics Null Modem Cable 5 Foot long Null modem cable allows a PQR power line monitor equipped with an RS232 serial port to connect to a Computer's RS232 serial communications port.