CO air quality meter TES-137 series

portableRS-232with display

• CO: O 999 ppm range. • MAX Hold with Time stamp. • Alarm level setting. • Replaceable sensor extends meter ?Ïfe. • Stabilized electrochemical CO sensor. • Automatic sensor zeroing upon start-up. • Auto power-off time setting. • Typical three year sensor life, one year calibration cycle. • Manual data memory and read function (99 sets). • Auto data memory and read function (999 sets). • Auto Datalogger (11340 sets) and RS232 PC interface. (1372R) • Backlight display function.