GRAYWOLF’S PORTABLE, SEMI-PERMANENT, AND CONTINUOUS VOC METERS, MONITORS, INSTRUMENTS ARE HIGHLY VERSATILE, FOR LOW PARTS-PER-BILLION RANGES UP TO HIGH PPM TOXIC VOC EXPOSURE RANGES. VOLATILE ORGANIC COMPOUNDS (VOCS) EMANATE FROM A BROAD RANGE OF SOURCES IN INDUSTRIAL AIR QUALITY AND COMMERCIAL, INSTITUTIONAL, AND RESIDENTIAL INDOOR AIR QUALITY (IAQ) APPLICATIONS. GRAYWOLF OFFERS 4 DIFFERENT PLUG-AND-PLAY PHOTO IONIZATION DETECTOR (PID) SENSORS TO CHOOSE FROM; WITH RANGES OPTIMIZED FOR YOUR SPECIFIC APPLICATION. THE DIRECTSENSE II-3 PROBE INCLUDES YOUR CHOICE OF ANY OF THOSE PIDS, ALONG WITH RELATIVE HUMIDITY AND TEMPERATURE SENSORS. OUR DIRECTSENSE II-5 PROBE ALSO INCLUDES THE SENSORS FOR %RH, °C/°F, AND ACCOMMODATES YOUR CHOICE OF PID PLUS UP TO 2 SPECIFIC GAS SENSORS (ELECTROCHEMICAL OR NDIR). THE DIRECTSENSE II-8 PROBE OFFERS A PID, %RH, °C/°F, AND THE CHOICE OF NDIR (EXCEPTIONALLY ACCURATE CARBON DIOXIDE CO2) AND/OR UP TO 5 ELECTROCHEMICAL SPECIFIC GAS SENSORS (8 TOTAL). COUPLED WITH THE POWER OF OUR VERSATILE METERS AND MONITORS, END-USERS CAN EFFICIENTLY LOG AND ANNOTATE READINGS, WHILE EASILY ACCESSING ON-BOARD INFORMATION ABOUT SPECIFIC VOLATILES AND POTENTIAL SOURCES.