Fluke 971
Temperature Humidity Meter
Technical Data
Quickly take accurate humidity
and temperature readings in
the air. Temperature and
humidity are two important fac-
tors in maintaining optimal
comfort levels and good indoor
air quality. The Fluke 971 is
invaluable for facility mainte-
nance and utility technicians,
HVAC-service contractors, and
specialists who assess indoor
air quality (IAQ). Lightweight,
rugged, and easy to hold, the
Fluke 971 is the perfect tool for
monitoring problem areas.
The Fluke 971 has:
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Backlit dual display of humidity and temperature
99 record storage capacity
Ergonomic design with belt clip and protective holster
Quick-response capacitance sensor with twist-open protective cover
General Features
Compact and lightweight (190 g/6.7 oz)
Temperature range from -20 °C to 60 °C (-4 °F to 140 °F)
Measures dew point and wet bulb
Relative humidity from 5 % to 95 %
Min/Max/Avg data hold
Low battery indicator
Specifications
Temperature range
Temperature accuracy
0 °C to 45 °C
-20 °C to 0 °C and 45 °C to 60 °C
32 °F to 113 °F
-4 °F to 32 °F and 113 °F to 140 °F
Resolution
Temperature update rate
Temperature sensor type
Relative humidity range
Relative humidity accuracy
10 % to 90 % R.H. @ 23 °C (73.4 °F)
<10 %, > 90 % R.H. @ 23 °C (73.4 °F)
Resolution
Response time (humidity)
Humidity sensor
Data storage
-20 °C to 60 °C (-4 °F to 140 °F)
± 0.5 °C
± 1.0 °C
± 1.0 °F
± 2.0 °F
0.1 °C / 0.1 °F
500 ms
NTC
5 % to 95 % R.H.
± 2.5 % R.H.
± 5.0 % R.H.
0.1 % R.H.
For 90 % of total range - 60 sec. with
1 m/s air movement
Electronic capacitance polymer film sensor
99 points
Specifications
Operating temperature
Temperature
Humidity
Storage temperature
Weight
Dimensions (HxWxD)
Battery type
Battery life
Safety approval
Warranty
cont.
-20 °C to 60 °C (-4 °F to 140 °F)
0 °C to 55 °C (32 °F to 131 °F)
-20 °C to 60 °C (-4 °F to 140 °F) at < 80 % R.H. (with battery removed)
190 g (6.7 oz)
194 mm x 60 mm x 34 mm (7.6 in x 2.4 in x 1.3 in)
4 AAA alkaline batteries
200 Hours
Electromagnetic compatibility: Complies with EN 61326-1
12 months
* Humidity sensor hysteresis (excursion of 10 % to 90 % to 10 % R.H.): ± 1 % R.H. with 1 m/s air movement
* Temperature coefficient: 0.1 times the applicable accuracy specification per °C from 0 °C to 18 °C and 28 °C to 50 °C (32 °F to 64 °F and
83 °F to 122 °F)
Other IAQ Tools from Fluke
Fluke 983 Particle Counter
CO-210 Carbon Monoxide Probe
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Simultaneous display of six size
channels on a bright, backlit LCD
5000 sample record capacity
Logged samples include date, time,
particle counts, sample volume,
temperature and relative humidity
Rechargeable NiMH battery providing
up to 8 hours continuous operation
Selectable sample time, count data,
programmable delay
Built-in relative humidity and temperature
sensors
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Use as an accessory to a
digital multimeter with DC
millivolt inputs
Displays CO level readings from
0 to 999 ppm, with a resolution
of 1 ppm and accuracy of ± 3 %.
Also used as a standalone device with an
LED indicator and beeper that triggers with
increasing frequency as CO levels rise.
CO-220 Carbon Monoxide Meter
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CO-205 Aspirator Kit
The CO-205 flue gas
sampling accessory kit
contains all the compo-
nents necessary to
provide a clean sample
for the Fluke family of gas
measuring devices. The CO-205
accessory kit includes:
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Stainless steel sampling tube
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Industrial-grade hand operated aspirator to
draw flue sample
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Easily replaceable particulate filter
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Specially designed nose cap for connection to
the Fluke CO-210/CO-220.
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Standalone CO meter that does not
require a digital multimeter
Large backlit LCD displays CO levels
from 0 to 1000 ppm.
Beeper triggers with increasing frequency as
CO levels rise.
MAX hold function stores and displays the
maximum CO level.
Automatic sensor zeroing and self-test upon
startup.
Fluke.
Keeping your world
up and running.
Fluke Corporation
PO Box 9090, Everett, WA USA 98206
Ordering Information
Fluke-971
Temperature Humidity Meter
Fluke-983
Particle Counter
Fluke-CO-205
Aspirator Kit
Fluke-CO-210
Carbon Monoxide Probe
Fluke-CO-220
Carbon Monoxide Meter
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 40) 2 675 200 or
Fax (31 40) 2 675 222
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
©2005 Fluke Corporation. All rights reserved.
Printed in U.S.A. 11/2005 2457037 D-EN-N Rev C
Embedded System
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