Formaldehyde detector 4160

Formaldehyde detector (USA interscan) Model: 4160 Instrument: Product Description: Built using patented electrochemical sensor sampling pump, rechargeable battery, can work for 10 hours LCD digital display, real-time display the concentration value of the analog output sound and 0-100mV visual alarm Dimensions 178 × 102 × 225 (mm), weight 2kg main technical indicators resolution 1ppm (0-1999ppm) 0.1ppm (0-199.9ppm) 0.01ppm (0-19.99ppm) 1ppb (0-1999ppb) precision analog unit ± 2.0% of full scale ± 2.0% of reading the number of units, ± 1 least significant digit repeatability of ± 0.5% full scale linearity of ± 1.0% of full scale Zero drift ± 1.0% full scale (24h) span drift <± 2.0% full scale ( 24h) delay time <1s