OM-EL-GFX Series

The OM-EL-GFX Series portable temperature/humidity data loggers measure and store up to252,928 readings. Using the included Windows®control software users can quickly set up the datalogger and view downloaded data by connectingthe device to the computer’s USB port.

The data logger features a high contrast graphic LCDdisplay and three input buttons. This allows users tostart, stop and restart the data logger using on-screenmenus. The menu also provides real-time analysis ofdata either as a data summary (showing highest andlowest readings and alarm conditions) or as a graphthat updates as new data is added. The maximum andminimum readings and also the time and date theseare valid from can be displayed on the LCD displayby using the info button. If desired, the user can thenreset the maximum/minimum readings shown. Eachtime the maximum/minimum readings are reset whilelogging, an “event marker” is created in the data. Whenthe data has been downloaded to the computer theseevents can be viewed on the graph (event markers),and they also appear in the data file associated withthe corresponding log when the reset took place. Thiscan be useful as an audit/validation tool for certainapplications where procedures mandate that a regularphysical check of the logger/statistics have takenplace. Multiple data logging sessions can be stored onthe device ready for upload to the computer at alater time.

The data logger’s robust design provides IP67waterproof protection (OM-EL-GFX-1,OM-EL-GFX-2 and OM-EL-GFX-2-PLUS only).

Specifications
OM-EL-GFX-1
Measurement Range: -30 to 80°C (-22 to 176°F)
Internal Resolution: 0.1°C (0.1°F)
Accuracy (Overall Error @ 25°C): ±0.1°C (±0.2°F) typical; ±0.75°C (±1.5°F) maximum
Logging Interval: 1 reading every 10 seconds to 1 every hour
Battery Life: 6 months typical at 25°C (77°F) and 10 minute logging rate
Weight: 99 g (3.5 oz)
Dimensions: 88 H x 48.5 W x 30.5 mm D (3.46 x 1.91 x 1.20")

OM-EL-GFX-2, OM-EL-GFX-2-PLUS
Temperature
    Measurement Range: -30 to 80°C (-22 to 176°F)
    Repeatability: ±0.1°C (±0.2°F) typical
    Internal Resolution: 0.1°C (0.1°F)
    Accuracy (Overall Error): OM-EL-GFX-2; ±0.5°C (±1.0°F) typical; ±2.0°C (±4.0°F) maximum:
OM-EL-GFX-2-PLUS; ±0.2°C (±0.4°F) typical; ±0.8°C (±1.6°F) maximum
Humidity
    Measurement Range: 0 to 100% RH
    Repeatability: ±0.5% RH
    Long Term Stability: ±0.5% RH/year
    Internal Resolution: 0.1% RH
    Accuracy (20 to 80% RH): OM-EL-GFX-2; ±3.0% RH typical; ±5.0% RH maximum:
OM-EL-GFX-2-PLUS; ±1.8% RH typical; ±4.0% RH maximum
Dew Point
    Accuracy (Overall error in the calculated dew point, for RH measurement between 40 to 100% RH @ 25°C): ±1.1°C (±2.0°F)
Logging Interval: 1 reading every 10 seconds to 1 every hour
Battery Life: 4 months typical at 25°C (77°F) and 10 minute logging rate
Dimensions: 88 H x 48.5 W x 30.5 mm D (3.46 x 1.91 x 1.20")
Weight: 99 g (3.5 oz)

OM-EL-GFX-DTC (2 channels)
OM-EL-GFX-TC (1 channel)
Temperature Measurement Range:
    Type K: -200 to 1350°C (-328 to 2462°F)
    Type J: -200 to 1190°C (-328 to 2174°F)
    Type T: -200 to 390°C (-328 to 734°F)
Internal Resolution: 0.1°C (0.1°F)
Accuracy (Overall Error @ 25°C): ±0.5°C (±0.9°F) typical
Operating Temperature Range: -10 to 40°C (-14 to 104°F)
Logging Interval: 1 reading every 2 seconds to 1 every hour
Battery Life:
     OM-EL-GFX-DTC: 4 months typical at 25°C (77°F) and 10 minute logging rate
     OM-EL-GFX-TC: 1 year typical at 25°C (77°F) and 1 minute logging rate, LCD off
Weight: 105 g (3.7 oz)
Dimensions: 102 H x 48.5 W x 30.5 mm D (4.06 x 1.91 x 1.20")

OM-EL-GFX-DTP
Temperature Measurement Range (with Included Thermistor Probe): -40 to 125°C (-40 to 257°F)
Internal Resolution: 0.1°C (0.2°F)
Accuracy (Data Logger Error @ 25°C): ±0.1°C (±0.2°F) typical (does not include thermistor probe error)
Accuracy (Thermistor Probe): See chart on PDF
Operating Temperature Range: -10 to 40°C (-14 to 104°F)
Logging Interval: 1 reading every 2 seconds to 1 every hour
Battery Life: 4 months typical at 25°C (77°F) and 10 minute logging rate
Dimensions:
    Data Logger: 101 H x 48.5 W x 30.5 mm D (3.98 x 1.91 x 1.20")
    Thermistor Probe:
      Cable: 1 m (3')
      Probe Tip: Stainless steel, 25 L x 5 mm dia (1 x 0.18")
Weight: 105 g (3.7 oz)

COMMON SPECIFICATIONS
Memory: 252,928 readings
Software: Windows XP/VISTA/7 and 8 (32 and 64-bit)
Power: 2 ½ “AA” 3.6V lithium batteries (included)
Enclosure: IP67 with USB cover attached (excludes OM-EL-GFX-DTC, OM-EL-GFX-TC and OM-EL-GFX-DTP)
Display: High contrast graphic backlit LCD

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