Combustible Gas Detector and Analyzer by Forensics with NIST Calibration H303

This is the most superior EX LEL DETECTOR with a built-in pump allowing for faster response and point probe sampling or continuous sampling - perfect to track any build-up of combustibles in an indoor or confined environment, tank, or enclosed area. Calibrated to methane, but appropriate for all combustibles and LEL obtained via conversion factors that come with the manual. This EX LEL Analyzer is a 32-bit microprocessor with Color LCD and graphing capability. The detector is USA NIST traceable calibrated in Los Angeles. The product comes with the EX LEL Detector, English Manual, USB charge cable, Charger, Stainless probe & tubing. Comes FACTORY CALIBRATED. Open the box, turn ON and GO. Detector Specs: EX LEL 0-100 (methane calibrated) with 1% resolution. Comes factory calibrated. Accuracy: ≤±5% F.S. Response Time: ≤ 20s. Working Temp: 14F to 122F, ＜95%RH, Battery: DC3.7V Li-on battery, 3200mAh. Gas Sensor Life: 2-3 years. Explosion-proof grade: Ex ib IIB T4 Gb. Protection Grade: IP65. Weight: 14oz, Dimensions: 5.1 × 2.6 x 1.2 inches, Charge time: 4hours, Operating time: >10 hours. Comes USA NIST traceable calibrated in Los Angeles.