Spartna SPR-712 Multi Portable Gas Detector and Dust Particle Detector (CO, SO2, NO2, H2S, PM10, PM2.5, PM1.0, PM0.3) extech multimeter Maximum Voltage between any two

Maximum Voltage between any two pins without damage :  60V DC or 55V AC

The SPR-513 is a waterproof pH tester/meter designed for accurate measurement of acidity or alkalinity in solutions

Data logging: Stores 18

1°C/°F (<1000)

Spartna SPR-712 Multi Portable Gas Detector and Dust Particle Detector (CO, SO2, NO2, H2S, PM10, PM2.5, PM1.0, PM0.3) extech multimeter Maximum Voltage between any twoSpartna SPR 712 it can measure Dust Particle Detector, Sulfur dioxide (SO2), Nitrogen dioxide (NO2), Hydrogen sulfide (H2S), Carbon monoxide (CO) detection, air temperature and relative humidity. It has many functions. With it is possible to determine the number of particles in the size of 0. 3, 1. 0, 2. 5 and 10 m. It is the ideal instrument for environmental safety and energy saving surveys. Features Semiconductor technology of ultra low power 32