Important Facts    

We have been producing, testing and supporting temperature-humidity loggers for many years.  Our flagship product is the DataWatch Elite humidity logger.

This unique instrument is unmatched by any product of its kind.  It is stable, holds its calibration longer than most humidity measuring devices and is very accurate.  The construction is solid, so you can expect years and years of reliable monitoring.

The DataWatch Elite Humidity logger is the best choice where accuracy and dependability are key requirements.  Best of all, the data is reported into a superior data handling software, DataWatch Elite software.
 Ordering information for DataWatch Elite Humidity Monitoring


1  2  3 

  DataWatch Elite Humidity Logger (1) $299.00
A single DataWatch Elite Humidity Logger - pre-checked by Global Sensors

Quantity discounts are available. 
  Starter Kit (2+3+Starter Magnet) $75.00
Includes the interface unit with built-in USB cable, a starter magnet and a software disk.

DataWatch Elite Temperature - Humidity Logger

The DataWatch Elite Humidity & Temperature Recorder measures and stores up to 8000 sets of high resolution humidity and temperature readings over 0% to 100% RH & -40C to +70C (-40F to +158F) measurement ranges. 

Using the DataWatch Elite Interface and Data Watch Elite Software, you can control all aspects of performance, including delayed start, sampling interval, number of readings, continuous or fixed number of readings and configuration of conditions to activate the ALERT indicator. Readings are downloaded using Data Watch Elite Software. So, which provides facilities for charting, zooming, listing data statistics and allows exporting the data to other applications such as MS Excel.  

The on-instrument display is an informative "extra" that permits a quick review of results in the current recording session.  Screens cycle automatically so that you can recover information without the need to press a button or otherwise interfere with the operation of the unit...this can be important for situations where the unit is inside a case or enclosure designed to control the interior humidity level.

This screen shows the maximum humidity reading after the end (END is shown) of the recording session.  The battery icon indicates a low battery condition.  "HIGH" denotes the high alarm has been exceeded.  The logger icon shows that an alarm conditions has been triggered.
When the logger is set to "wake up" after a specified number of hours (with decimal hours), the display will show the "countdown" to the start time.
In this screen, the average temperature is displayed.  The logger icon indicates the "external temperature" is the subject of the reported data.
Again, here is an "END" display, as notified by the END next to the logger icon.  Shown is the total time that the logger detected an under specification condition.  The time over or under is reported in the units this instance, the time units are seconds.  No alarm indication is shown, so the time under is less than the alarm criterion.
This is a time indication of an over specification report at the end of the recording session.  A low battery indication is show, as well.  The HIGH alarm is triggered, as the time over exceeds the pre-set alarm setting.

The humidity sensor is protected by a plastic "cage" that prevents accidental touching of the sensitive sensor surface.  Contact us about specialized ways to avoid particulate contamination of the sensor when the DataWatch Elite Humidity Logger is used in dusty or rugged environments.

We supply all units with a prior calibration checkup.  Ask us about our recalibration service.  Recalibration is essential for maintenance of humidity sensing accuracy.   All units are warranted for 24 months. Learn more about DataWatch Elite Advantages.

Specifications  Product Sheet
Temperature Range  -40C to +70C  (-40F to +158F)             
Temperature Resolution  0.1C
Temperature Accuracy 0.35C (-40C to 0C) - 0.63F (-40F- to +32F)
0.25C (0C to +70C) - 0.45F (+32F to +158F)
Humidity Resolution 0.1% RH
Relative Humidity Accuracy

Humidity is resolved to at least 3% R.H. over the entire range.   Under most circumstances, this reading accuracy will be better.
Humidity and temperature normal operating range   Humidity accuracy is maintained to stated specifications in the Temperature Range specified (above).  We do not recommend usage outside this range, as restoration of normal function may not proceed on a predictable time course.
Sensor Response Time T90 of less than 20 minutes in moving air
Stored Time-Temperature Readings 32,000 readings (time-temperature-humidity data points)
Time Accuracy      Average 60 Seconds per Month or better
Logging Interval Software adjustable, 1 sec to 10 days
Battery Type and Life 3V AA Lithium battery - Three years of use
Case Dust and Water Resistance  IP65 (Note: The humidity sensor port must be protected in some way to achieve this resistance level for the entire instrument).
Indicator Light Flashing 'Active' indicator | Flashing 'Alert' indicator
Case Dimensions & Weight 76 mm diameter x 46 mm depth (3.0" x 1.8") 75 g (includes battery)
Case Material Clear Polycarbonate (Case and face label are G.R.A.S. materials per USDA)
Basic Features

Logging start by starter magnet swipe or specific date/time start 
'Prestart' fail-safe logging (records temperature data even if not started)
Low Battery indication in software
Alerts: preset absolute max and min, humidity over and under low and high presets  

EMC Compliance Tested and complies with EC EMC directives (EN 50081-1:1992 & EN 61000-6-1:2001) 
FDA CFR21 Part 11 Competence Logger and Software systems are secure
RoHS Meets all international standards for compliance - documents available

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