sd card real time data recorder
co2/humidity/temp. data recorder
model : mch-383sd

specification
* recorder with real time data recorder, save the 卡塔尔世界杯中国足球赛事 data along the time information (year,
month, date, minute, second) into the sd memory card and can be download to the excel, extra
software is no need.
* co2 range : 0 to 4000 ppm.
* humidity : 10 to 90 %rh.
* temperature : 0 to 50.0 oc, oc/of.
* show co2, humidity and temperature value in the same lcd.
* large lcd display, easy readout.
* low power consumption and long battery life when use battery power.
* power supply:
dc 1.5v (um-4, aaa) battery x 6 pcs (clock backup battery) and
dc 9v adapter in (for meter and probe).
* rs232/usb computer interface.
* size : 132 x 80 x 32 mm.
* patent: taiwan, china, japan, germany, usa pending.