Multi Channel Digital Dust Monitor , Handheld Dust Monitor PM1.0 PM2.5 PM5 PM10 TSP

Detection gas: Complex gas (carbon monoxide CO, hydrogen sulfide H2S, oxygen O2, flammable gas EX) or any other single gas

Detection range: CO (0 ~ 1000ppm), H2S (0 ~ 100ppm), O2 (0 ~ 30%VOL), Ex (0 ~ 100%LEL),Other range can be customized

Explosion-proof mark: Exia II CT4 Ga

Detection accuracy: ≤±3% (F.S)

Function: GPD 3000 Ex Gas Pen Digital Buzzering Alarm Small Combustible Gas Detector

Gas Detection: Calibrated to methane, propane or hydrogen

Detection Range: 0 ppm - 2,2 Vol.% / 0 ppm - 50% LEL

Battery: 2*AAA

Name: CO H2S O2 O3 CH4 CO2 NH3 PM2.5 Cl2 HCl Built-in Printer ATEX 18 in 1 Multi Gas Detector

Gas Type: up to 18

Data Storage: 100, 000 entries

Display: 3.5-inch TFT LCD display

Name: HiYi Laser Sensor Wireless Printer Large Storage PM1.0 PM2.5 PM10.0 Portable Dust Monitor

Gas: PM0.3 PM0.5 PM1.0 PM2.5 PM5.0 PM10.0 (optional)

Data Storage: 100, 000 entries

Display: 2.5-inch TFT LCD display

Name: HiYi High Sensitivity Buzzer Alarm RS485 USB Charge ATEX Water-proof Dust-proof CO H2S O2 EX 4 Gas Analyzer

Gas: Ex/LEL/CH4/O2/CO/H2S（optional)

Data Storage: 100, 000 entries

Response Time: <30s