Jiajun industrial map, tap density tester, tester

AR8800A Combustible Gas Detector features * Automatic quick warm-up count signal * * audio visual light visible leakage * Adjustable sensitivity * cordless operation * rechargeable battery * Low battery alarm * Extended flexible probe * Warranty AR8800A Combustible Gas Detection instrument technical parameters: Size of combustible gas exploration projects all adjustable sensitivity, at least 5PPM (gasoline) reaction time instant warm-up time & lt; 110 秒 continuous working time of 5 hours (with a slight change in working conditions) Low power indication 6.3V- 0.3V Operating temperature: 0-52 degrees Power 1200mAh3.7V * 2-cell Li-ion rechargeable battery Weight / Size 492 grams: 235 * 86 * 46 mm Standard accessories big PP box * 1 Power adapter (DC9V AT300mA LOADING) * 1 Installation Note: Before using a new AR8800A gas leak, be sure to load Ni-cad battery and fully charge. 1, be sure to insert the batteries in strict accordance with schematic 2, the instrument in a safe place, and the charger into a power outlet 3, the charger plug into the jack on the back of the instrument 4, the first time the battery must be sufficient for 24 hours, After only charge 12-16 hours. Independent split impeller anemometer, dynamic simulation bars show wind speed measurement range: 0.3 ~ 45m / s Resolution: 0.1m / s error: ± 3% ± 1dgts FLUKE303 Fluke Fluke Fluke 303 Clamp new compact AC clamp tables, this clamp meter is simple to use, on a daily basis to meet the needs of electrical maintenance AC current range 600.0A accuracy 1.8% ± 5 AC voltage range 400.0 / 400.0 dc voltage range 600/600 DC millivolt range Resistance Range 4000Ω Continuity ≤70Ω backlit display measuring data retention Yes