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Introduction and Specifications
Introduction 1
1-3
Introduction
This manual contains information necessary safely operate the Fluke 5020A Thermo-
Hygrometer.
The Fluke 5020A is a low-cost, high-accuracy, digital thermo-hygrometer. Its unique
combination of features makes it suitable for a wide variety of applications from
laboratory to industrial ambient measurement. Features of the thermo-hygrometer
include:
• Two channels measure ambient temperature to ±0.125 °C and %RH to ±1.5%
• Two sensors, each measuring temperature and relative humidity; each is
detachable, cable-extendable, and interchangeable, with self-contained
calibration; each may be assigned a unique 16-character identification
• Display resolution is user selectable up to 0.001 °C and 0.01% RH
• On-board memory holds up to 400,000 time/date-stamped readings
• Removable data card option for additional data storage and ease of data transfer
to and from a PC.
• Visual and audio alarms for various alarm or fault conditions
• May be wall mounted or set on a bench top
• Detachable sensors contain their own calibration data for easy recalibrations
• Optional software logs in real-time or shows graphical/statistical data from data
card (Data card is optional and not needed to run the software for real-time
logging.)
• Password protection of settings
• Large, monochrome LCD, displays temperature and humidity data graphically,
numerically, and statistically; 16 pre-defined, user-changeable screen setups;
display viewable in bright or dim lighting
• Serial RS-232 and IR interface standard
• Power 12 VDC from external 110-240 VAC to DC converter.
• Uses a standard 9 V battery backup to allow continued measuring during power
interruptions.
• Certificate of NIST-traceable temperature and humidity calibration with three
each temperature and humidity points