350 to 450 ppm. It is recommended (at 23 °C *) ± (75 ppm +3 % of m.v.) that the instrument is sent to a Testo service 5000 to 9,999 ppm: point for adjustment purpose. ±(150 ppm +5 % of m.v.) 1 ppm or 0.001 vol.%...
If a reading was frozen at a certain point in the display via the HOLD button, this rea- ding appears in the printout with the time and date when the reading was frozen. GlobalTestSupply www. .com Quality Testo Products Online at: sales@GlobalTestSupply.com...
Ordering data testo 535 measuring instrument and accessories Part no. testo 535, CO2 measuring instrument for measuring the quality of ambient air, with securely attached probe, instruction manual, batteries and calibration protocol 0560.5350 TopSafe (indestructible protection case) with bench stand and belt clip, to protect instrument from impact, dirt...