Fluke 985 Data Sheet 971Temperature Humidity Meter

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Technical Data

Troubleshooting indoor air quality made easy

The particle counter is an essential tool in the facility maintenance, HVAC

and IAQ professional’s toolbox. From filter testing to indoor air quality

investigations, the particle counter equips the user with valuable data

concerning the concentration and source of particulates in the tested

environment.

The new Fluke 985 Particle Counter is ideal for troubleshooting and

monitoring indoor air quality issues and verifying HVAC filter performance

and critical locations for ISO Class 5–9 certification.

With the ultra-light weight ergonomic design, easy to view color screen

with intuitive icons, on-screen trend graphs for easy and quick analysis,

the Fluke 985 is a must for any maintenance, HVAC and IAQ professional.

Fluke 985

Particle Counter

Fluke 985 Particle Counter features:

• Six channels and a particle size range of 0.3 µm to 10 µm

• Ultra-lightweight and ergonomic design for easy single-hand

operation

• Ten hours of standard-use battery life to last a full work day

• Large 3.5 inch QVGC color display with backlight, intuitive icons,

and large font options make for easy navigation and viewing

• 10,000 records stored in device for easy access to historical data

• Data can be viewed in traditional tabular or trend graph at the

user’s preference

• Configurable display, sample methods, and alarm setting for sample

size count (raw count, per cubic feet, cubic meter, or liter)

• Data export to USB memory stick or direct connection to PC via USB

cable. No special software required to view Excel compatible files

• Ethernet enabled for accessing data via internet browser (Windows

Explorer, Safari, and Firefox)

• USB/Ethernet charge cradle ensures the unit always ready for use

• Administrator password control (optional) for added security

• Meets ISO 21501, JIS B9921, and CE standards

Profile of 0.3 to 10 μm particles

captured over 15 minutes window.

Specifications

Six size channels 0.3 µm, 0.5 µm, 1.0 µm, 2.0 µm, 5.0 µm, 10.0 µm

Flow rate 0.1 cfm (2.83 L/min)

Light source 775 nm to 795 nm, 90mW 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)

Data storage 10,000 records (rotating buffer)

Alarms User selected particle channels and limits

Display QVGA color with backlight

Delay time 0 to 24 hours

Sample inlet Isokinetic probe

Security Administrator password controlled (optional)

Communication mode USB or Ethernet

Dimensions (L x W x D) 27.2 cm x 9.9 cm x 5.3 cm (10.7 in x 3.9 in x 2.1 in)

Weight 0.68 kg (1.5 lb)

Power adapter 100 V ac to 240 V ac, 12 V dc, 2.5 A

Rechargeable battery Li-ion 7.4 V 2600 mAh

Battery duration/charge time 10 hours typical use (5 hours continuous sampling)/3.5 hours

Calibration PSL particles in air (NIST traceable)

Operating environment 50 °F to 104 °F (10 °C to 40 °C)/< 95 % non-condensingrelative humidity

Storage environment 14 °F to 122 °F (-10 °C to 50 °C)/Up to 98 % non-condensingrelative humidity

Warranty One-year

Accessories included Cradle for charging and convenient USB and Ethernet communications, Ethernet cable, USB cable,

12 V dc power supply, zero count inlet-filter, filter adapter, sample inlet protective cap, hard case,

getting started manual and users manual CD

2 Fluke Corporation Fluke 985 Particle Counter

Fluke Corporation

PO Box 9090, Everett, WA 98206 U.S.A.

Fluke Europe B.V.

PO Box 1186, 5602 BD

Eindhoven, The Netherlands

For more information call:

In the U.S.A. (800) 443-5853 or

Fax (425) 446-5116

In Europe/M-East/Africa +31 (0) 40 2675 200 or

Fax +31 (0) 40 2675 222

In Canada (800)-36-FLUKE or

Fax (905) 890-6866

From other countries +1 (425) 446-5500 or

Fax +1 (425) 446-5116

Web access: http://www.fluke.com

©2012 Fluke Corporation.

Specifications subject to change without notice.

Printed in U.S.A. 3/2012 4148253A D-EN-N

Modification of this document is not permitted

without written permission from Fluke Corporation.

Fluke. Keeping your world

up and running.®

Other IAQ tools from Fluke Ordering information

Fluke-985 Airborne Particle Counter

Fluke-CO-205 Aspirator Kit

Fluke-CO-220 Carbon Monoxide Meter

Fluke-922 Airflow Meter

Fluke-971 Temperature Humidity Meter

Fluke-975 AirMeter™

CO-205 Aspirator Kit for flue gas

sampling using Fluke family of gas

measuring devices.

CO-220 Carbon Monoxide Meter

measures CO levels in industrial

environments, commercial or residential

buildings where accumulation of

combustion gas is possible.

Fluke 922 Airflow Meter makes airflow

measurements easy by combining

differential pressure, airflow, and velocity

into a single, rugged meter.

Fluke 971 Temperature Humidity Meter

takes accurate humidity and temperature

readings in the air for maintaining

optimal comfort levels and good indoor

air quality for facility maintenance and

utility technicians, and HVAC-service

contractors.

Fluke 975 AirMeter™ combines 5

powerful air quality tools into one for

measuring essential IAQ parameters:

temperature, humidity, dew point and wet

bulb temperature, air volume, air velocity,

CO, CO2, and % of outdoor air calculation.