
HASO-8
LogTag HASO-8
Single-use Humidity & Temperature Logger
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The LogTag® HASO-8 is a single-use Humidity & Temperature Recorder that measures and stores up to 8000 sets of high resolution humidity and temperature readings over a measurement range of 0 to 100 % RH & -40 °C to +85 °C.
Enclosed in a robust and durable polycarbonate case - the HASO-8 is equipped with a unique humidity & temperature sensor arrangement providing fast reaction time to humidity & temperature change and a real time clock which provides date/time stamps for each temperature reading.
Using the LogTag® Interface and LogTag’s freely available companion software LogTag® Analyzer, the LogTag® is easily set-up for recording conditions including delayed start, HASO-8 Single-Use Humidity & Temperature Logger sampling interval, number of readings and configuration of conditions to activate the ALERT indicator.
Readings are downloaded using LogTag® Analyzer which provides facilities for charting, zooming, listing data statistics and allows exporting the data to other applications such as Excel.
The LogTag® HASO-8 complies with the relevant international standards for humidity & temperature monitoring devices:- FDA 21 CFR Part 11, EC Annex 11, IATA’s 2018 Dangerous Goods Regulations 59th Edition, FCC, CE, RCM and RoHS. This demonstrates the quality and suitability of the LogTag® HASO-8 for humidity & temperature monitoring applications where accuracy and consistency is required.
Please note: An interface is required for configuration and reporting

| Product Model | HASO-8 |
|---|---|
| Temperature Sensor Measurement range | -40 °C to +85 °C (-40 °F to +185 °F) |
| Recorder Operating Temperature Range | -40 °C to +85 °C (-40 °F to +185 °F) |
| Storage Temperature Range | +10 °C to +50 °C ( 50 °F to +122 °F) |
| Humidity Measurement Range | 0 % RH to 100 % RH (non-condensing), with limitations |
| Humidity Operating Range | 0 % RH to 100 % RH (non-condensing), with limitations |
| Storage Humidity Range | 20 %RH to 60 %RH* |
| Rated Temperature Reading Accuracy | Better than ±0.45 °C (±0.8 °F) for +0 °C to +50 °C (+32 °F to +122 °F), typically ±0.3 °C (0.6 °F). Better than ±0.8 °C (±1.4 °F) for +50 °C to +80 °C (+122 °F to +176 °F), typically ±0.5 °C (0.9 °F). Better than ±0.95 °C (±1.7 °F) for -40 °C to +0 °C (-40 °F to +32 °F), typically ±0.6 °C (1.1 °F). Actual performance is typically much better than the rated values. Accuracy figures can be improved by recalibration |
| Rated Temperature Reading Resolution | Better than 0.1 °C or 0.1 °F |
| Rated Humidity Reading Accuracy | Better than ±5 %RH for 10 %RH to 80 %RH. Better than ±6 %RH for 0 %RH to 10 %RH. Better than ±7 %RH for 80 %RH to 100 %RH. Actual performance is typically much better than the rated values. Accuracy figures can be improved by recalibration |
| Humidity Resolution | Better than 0.1 % RH |
| Recording Capacity | 8,003 pairs of humidity and temperature readings 53 days @ 10min logging, 80 days @ 15min logging |
| Sampling Interval | Configurable from 30 seconds to several hours |
| Logging Start Options | Push button start or specific date & time. Optional start delay (30 seconds to 18 hours) |
| Recording Indication | Flashing ‘OK’ indicator / flashing ‘ALERT’ indicator |
| Download Time | Typically less than 10 seconds for full memory, depending on computer or readout device used |
| Environmental | IP61 (when hung or mounted vertically) |
| Power source | 3V LiMnO2 Battery (Fixed) |
| Battery Life | Fixed Battery. 1 year storage, followed by 2 – 3 years of normal use (based on 15 minute logging, download data monthly) |
| Real Time Clock | Built-in real time clock. Rated accuracy ±25ppm @ 25°C (equivalent to 2.5 seconds/day). Rated temperature coefficient is -0.034 ±0.006ppm/°C (i.e typically +/- 0.00294 seconds/day/°C) |
| Connection Interface | Interface Cradle |
| Software | LogTag® Analyzer |
| Size | 86 mm(H) x 54.5 mm(W) x 8.6 mm(T) |
| Weight | 34 g |
| Case Material | Polycarbonate |
| *Optimal Storage Condition | For optimal Humidity logger storage, store units in original packaging in an air conditioned area. (...) |
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