
- Description
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 The OM-21 data logger is for use in cold chain applications to monitor the transportation of pharmaceuticals, food and other temperature sensitive products. The data logger is completely user-programmable including language selection, sampling interval, start delay, alarm delay, temperature units, alarm range, alarm type, password and user name. The unit’s compact, lightweight, waterproof and flat design allows it to fit inside any package. No special software or driver is required for set-up or download of data. On completion of data logging a PDF report is automatically generated containing data summary, graph and tabular results. The data logger appears as a mass storage device when connected to the PC. User manual, set-up utility and PDF report are all stored in the data logger.
 Specifications
 TEMPERATURE
 Sensor: Thermistor
 Range: -30 to 70°C (-22 to 158°F)
 Accuracy: ±0.5°C
 Resolution: 0.1°C (0.1°F)
 Units: °C or °F
 Logging Type: Single use
 Memory: 8192 readings
 Sampling Interval: 30 seconds, 5, 10, 30, 60, 90, 120 minutes
 Data Integrity: File encrypted technology ensures data integrity
 Password: Can be ON or OFF (default is OFF); password can be up to 16 alpha-numeric characters
 Compatibility: Windows XP/Vista/7 and 8
 Start Delay: 0, 5, 30, 45, 60, 90, 120 minutes
 Alarms:
     Single: A LED alarm is triggered immediately when the measured value exceeds the alarm threshold
     Cumulative: A LED alarm is not triggered when the measured value exceeds the alarm threshold, but only once the overall average value during alarm delay duration exceeds the alarm threshold
     Disable: No LED alarm function during the logging process
 Alarm Range: -20 to -10°C (-4 to 14°F), -10 to 0°C (14 to 32°F), 2 to 8°C (36 to 46°F) (low alarm below 2°C, high alarm above 8°C), 0 to 15°C (32 to 59°F), 0 to 25°C (32 to 77°F), 15 to 25°C (59 to 77°F) (other ranges possible)
 Alarm Delay: Preset alarm delay for single alarm type is always zero; the adjustable alarm delay time for cumulative alarm type is user-selectable at 5, 30, 45, 60, 90, or 120 minutes
 Language: English (default), German, French, Italian, Spanish
 Operation: 2 keys; start/stop key and mark key (provides up to 8 bookmarks during the data logging period)
 LED Indicators: REC, low battery, high alarm, low alarm
 Operating Temperature: -30 to 70°C (-22 to 158°F)
 Operating Humidity: <80% RH
 Storage Temperature: -40 to 85°C (-40 to 185°F)
 Storage Humidity: <90% RH
 Power: 3V lithium battery (CR2032) factory installed
 Shelf Life: 12 months
 Protection Class: IP65 (when contained in the included plastic bag)
 Weight: 10 g (0.35 oz)
 Dimensions:
     Unpouched Size: 73 L x 33 W x 2.5 mm D (2.87 x 1.30 x 0.10')
     Pouched Size (data logger inside included plastic bag): 105 L x 55 W x 2.5 mm D (4.13 x 2.17 x 0.10') 
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