ALTA Wireless Carbon Monoxide CO Gas Sensor, AA Battery Powered, 900MHZ

Unique battery-powered sensor monitors jobsites, offices & residential complexes for carbon monoxide (CO). Within a small footprint, the MEMS-based device packs a 0–1,000 PPM measurement range & automated data logging. Monnit MNS2-9-W2-GS-C1 Features 1,200+ foot range 12+ year battery life 80+ wireless sensors Bank-level AES security Up in 15 easy setup Global ready (900, 920, 868 & 433 MHz) CO Sensor Specifications Operating Pressure Range: ± 0.2 atm (recommended) Operating Humidity Range: 15 to 95% RH Measuring Range: 0-1000 PPM Maximum Overload: 1000 PPM Measuring Principle: Electrochemical Oxidation of CO Resolution: ± 1 PPM Response Time: < 40 seconds typical at 20°C Stabilization Time: < 120 seconds Long Term Drift – Zero: Zero Signal = ± 2 PPM / month Long Term Drift – Span: Output Signal = ± 2% of reading per month Maximum Zero Shift: < 8 ppm equivalent (-20°C to +40°C) Variation Specifications Weight: 3 oz. (85.05 g) ALTA AA Specifications Battery Type: 2