Gas analyzers for measuring carbon monoxide include

Anemometer for measuring humidity, temperature, wind speed/direction including batteries, lanyard

Hygrometer for measuring humidity, moisture including batteries, cap, case, replacement needles

Specially designed for measuring conductivity, TDS including battery, meter, sensor, cap

Specially designed for measuring acidity, pH, including base, bottle, buffer, box

Manometer for measuring pressure (gas) Includes battery, box, connector, pipe

Gas analyzer for measuring carbon monoxide including battery

Anemometer for measuring humidity, temperature, wind speed/direction including battery, transmitter

Light meter for measuring light including batteries, cables, case, cap, holster, sensor, stand

Specially designed for measuring acidity, pH including batteries, buffer, cap, box, cup, electrode, meter, belt, reagent tablets

Air Quality For measuring indoor air quality (IAQ) Including adapter

Sound level/decibel meter for measuring sound including battery, housing

Light meter for measuring light including batteries, calibration certificate, case, cap

Data logger for measuring humidity, temperature including batteries, software

Leak detector for measuring refrigerant including battery, housing, manual, sensor

Gas analyzer for measuring carbon monoxide including battery, housing, sensor

Thermo-hygrometer (thermo-hygrometer) for measuring humidity, temperature including batteries, bracket, calibration certificate, calibration salt shaker, sensor, support

Manometer for measuring pressure (gas) Including batteries, case, calibration certificate, SD card

Anemometer for measuring airflow, temperature including batteries, cables, calibration certificate, case, leather case

Specially designed for measuring acidity, pH including cap, electrolyte, polishing paper, sensor