The Extech 42280A is designed to continuously monitor temperature and humidity so you can maintain ideal storage conditions in laboratories and cleanrooms while ensuring comfort in hospitals and other indoor working facilities. This datalogger with max/min mode records up to 24,000 data sets including date and time stamp and features both audible and visible alarms. You can generate PDF reports that show trending graphs, or export data to a Microsoft® Excel spreadsheet, making it easy to identify irregularities in temperamental environments.
· Easy-to-read LCD screen that displays humidity,
temperature, date, and time
· Storage for up to 24,000 recorded data sets with
date and time stamp
· Programmable High/Low limits from the meter or PC
· Audible and visible alarms for condition monitoring
· Data security with password protection
· Generates PDF reports with trending graphs, and
exports data to Microsoft® Excel spreadsheets when
plugged into a PC
· Add time-stamped markers, while logging, to record
events in your reports (max 8 markers)
· Field calibration with optional 33% RH and 75% RH
calibration bottles (RH300-CAL)
· Wall, desktop, or tripod mount
· Displays max/min readings
· 12-hour time format
· Complete with USB-A to USB-A cable, Universal AC
adapter (US, EU, UK, AUS plugs), and four 1.5 V AA
batteries
| Specification | Value |
|---|---|
| Dew Point | 0°C to 50°C (32°F to 122°F) |
| Max Resolution (Dew Point) | 0.1°C/°F |
| Memory (Temperature) | 24,000 points |
| Memory (Humidity) | 24,000 points |
| Relative Humidity | 0 to 100% RH |
| Max Resolution (Humidity) | 0.1% RH |
| Basic Accuracy (Humidity) | ±3% RH |
| Sample Rate | 30 sec, 5 min, 10 min, 30 min, 60 min, 90 min, 120 min |
| Temperature Range | -20°C to 70°C (-4°F to 158°F) |
| Max Resolution (Temperature) | 0.1°C/°F |
| Basic Accuracy (Temperature) | ±0.9°F (±0.5°C) |
| Certifications | CE |
| Dimensions | 120.7 mm × 88.9 mm × 38.1 mm (4.75 in × 3.5 in × 1.5 in) |
| Power | 4 × AA (1.5 V) batteries |
| Warranty | 2 years |
| Weight | 163 g (5.7 oz) |