cms 800 is a lightweight, space-saving fetal monitor, ensure external and internal monitoring parameters .it can be used up to and during the second stage labor. it also can be connected to the obstetrical central station to construct central monitoring system. ■ light weight, space-saving, easy operation ■ nine elements high sensitive probe ■ basic function: fhr, toco, fetal movement, twins monitoring and automatic channel recognition. ■ wide range of applying voltage (100-250v) ■ automatic fetal movement detection ■ built-in network/pc connecting interface ■ software for data recording, analyzing and displayin specification: fhr online: rs-232, rs485 2 mhz pulse wave operation environment rang of the heart rate: 50-210bpm electric specification:100-250v ac: 50hz precision: ±1bpm temperature: 5℃-40℃ record differentiated: 30bpm/cm applicable range: ua fhr heart rate monitor 0-100 units precision: ±1 ua toco monitor monitor performance record: build-in thermal record display: the red alarm display of the high option: brightness led power supply indicator light, mfm audible and visual alarm decg alarm: upper and lower limit alarm iup