PCOUNT IID provides up to 16 bits of digital input at 125 MHz in addition to the PCOUNT II two channels of 1 Gigahertz time-correlated photon counting
PCOUNT IIID provides up to 8 bits of digital data at 125 MHz and provides three channels of photon counting at 1 GHz with no dead time or loss
PCOUNT IV provides four channels of photon counting at 1 GHz per channel with no dead time or loss
PCOUNT IIA provides two channels of 1 GHz photon counting and one channel of 125MHz ADC in the same format as the PCOUNT IID
All other specifications except size and power are the same as the PCOUNT II.
Size: PCOUNT IID - 5.25" D x 4.0" H x 6.3.75" W exclusive of front panel connections and switches and rear panel usb
Power: 0.37A 100-240V 50/60Hz