That model does only have one fan. Its the predecessor to the W230SS - almost everything should be the same (only different GPU I think). Its very likely that the model name should be similar to the W230SS model.. just replace S with T and this configuration fits at least 2 models :)...
I've put the needed information for the Clevo W230ST together:
Read EC Offset 208 / D0D1 with 2 byte length
Formula (32768 * 60) / N_ticks) seems to provide realistic results
00 00 -> fan OFF / 0 RPM
06 73 -> 1190 RPM (lowest speed)
01 DE -> 4113 RPM (full...