41 www.fluke.com/iaq Electrical Testers Indoor Air Quality Tools Tools to help you maintain good IAQ Fluke 971 Temperature Humidity Meter Temperature and humidity are two important factors in maintaining optimal comfort levels and good indoor air quality. Quickly and conveniently take accurate humidity and temperature readings with the Fluke 971. The Fluke 971 is invaluable for facility maintenance and utility technicians, HVAC-service contractors, and specialists who assess indoor air quality (IAQ). The Fluke 971 the perfect tool for monitoring problem areas. It is built to perform and made to last. • New and improved digital sensor for faster response times • Backlit dual display of humidity and temperature • Measures dew point and wet bulb temperatures • 99 record storage capacity • Compact and lightweight at 188 g (6.6 oz) • Min/Max/Avg/Hold functions Specifications Functions Measurements Temperature range -20 °C to 60 °C (-4 °F to 140 °F) Relative humidity range 5 % to 95 % Temperature update rate 500 ms Temperature sensor type NTC Response time (humidity) For 90 % of total range - 60 sec. with 1 m/s air movement Humidity sensor Electronic capacitance polymer film sensor Battery type 4 AAA alkaline batteries Battery life 200 Hours Safety approval Electromagnetic compatibility: Complies with EN 61326-1 Specifications Functions Measurements Flow rate 2.83 L/min (0.1 cfm) Light source 775 nm to 795 nm, 90 mW class 3B laser Count modes Raw counts, #/m3 , #/ft3 , #/liter in Cumulative or Differential mode Counting efficiency 50 % @ 0.3 µm; 100 % for particles > 0.45 µm (per ISO 21501) Zero count 1 count/5 minute (JIS B9921) Concentration limits 10 % at 4,000,000 particles per ft3 (per ISO 21501) Sample inlet Isokinetic probe Operating environment 10 °C to 40 °C (50 °F to 104 °F)/< 95 % non-condensing relative humidity Warranty One-year Fluke 985 Airborne Particle Counter The Fluke 985 Particle Counter is ideal for troubleshooting and monitoring indoor air quality issues and verifying HVAC filter performance in critical locations, and is the perfect tool for the maintenance, HVAC, and IAQ professional. • Six channels and particle size range of 0.3 µm to 10.0 µm • Large 3.5 inch QVGA color display • 10,000 record storage: Quick access to historical data • On-screen data presentation • Personalized setting and configurations • Download data to a PC using a USB memory stick, USB cable or Ethernet connection • USB/Ethernet charge cradle Ordering information Models Included accessories FLUKE-985 Airborne Particle Counter Certificate of Calibration (NIST traceable), cradle for charging and convenient USB and Ethernet communications, ethernet cable, USB cable, power supply, zero count inlet filter, filter adapter, sample inlet protective cap, hard case, manual FLUKE-971 Temperature Humidity Meter Four AAA alkaline batteries, users manual Monitor air humidity levels throughout your facility with the Fluke 971. Find how-to videos, application notes and other resources on the indoor air quality product pages on www.fluke.com INDOOR AIR QUALITY TOOLS