OMEGA OM-73 Portable Data Loggers with Display (-20 ~ 70°C, 0 ~ 99% RH)

Ambient Temperature

Measurement Range: -20 to 70°C (-4 to 160°F)

Relative Humidity Range: 0 to 99% RHnon-condensing

Relative Humidity Accuracy: ±2% RH from 10 to 90% RH @25°C (77°F)

Relative Humidity Resolution: 0.05% RH

General

Sample Rate: 1 second to 18 hours user selectable

Alarm Settings: Over/under alarm with visual indication

LCD Display: Displays temperature, date, time, alarm condition recording status and battery condition

Time Accuracy: ±100 ppm @ 24°C (75°F)

Measurement Capacity: Non-volatile memory; 43,344 samples for temperature only, or 21,672 samples for temperature, humidity and dew point

Recording Control: Start on button press, immediate after setup, or at a user specified date and time

Recording Mode: Stop on memory full, or continuous recording withmemory rollover

Minimum System Requirements: 8MB of RAM, 2MB of disk space, 800 x 600 resolution, 1 free USB port

Software Compatibility: Windows® XP/VISTA/7 and 8 (32- and 64-bit)

Interface: USB 2.0

Power:  3V CR2032 lithium battery (included);

Battery Life: 3 years (average)

Dimensions: 6 H x 5.7 W x 1.3 cm D (2.36 x 2.24 x 0.51")

Weight: 91 g (3.2 oz)

Comes complete with Windows software, operator’s manual on CD, USB interface cable and battery