The PDA8006 Trident USB serial adapter is the perfect adapter to use with the Trident when the only serial communication required is for MeterView running on a PC. It is the least costly option as well. USB and meter to adapter cables are included.
Accessories & Modifications Serial Communication Adapters Trident Accessories
The PDA7232 Trident RS-232 serial adapter converts the serial output of the PD765 Trident meter to an unbalanced, full-duplex RS-232 signal. Since it is an external device, one PDA7232 in conjunction with free MeterView software can be used to program and calibrate any number of Trident meters.
The PDA7422 Trident RS-485 serial adapter converts the serial output of the PD765 Trident meter to balanced, full or half-duplex RS-422 or RS-485 signals.