... 240 data items Identification 10Hz~60KHz Optical Connector FC(interchangeable SC,ST) Optical Light Source Module Emitter Type FP ... /15mins; ±0.1dB/8hours Modulation 270Hz,1KHz,2KHz Optical Connector FC/PC General Specifications of Multi Meter Power ... , Protective Rubber, Rechargeable Battery, Power Supply Adaptor, Software Disk, Data Upload Cable RS232, Instruction Manual, Cotton Tampon, Rigid ...