Temperature/Humidity Data Logger with 2 External Inputs

OMYL-RH25
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The OMYL-RH25 is a temperature/humidity data logger that also accepts two external temperature or temperature/humidity inputs. This data logger is available with standard memory of 100,000 readings (OMYL-RH25) or expanded memory of 4 million readings (OMYL-RH25-4M).

The following inputs can be configured:

• Internal temperature and humidity sensors

• External temperature (Pt100/Pt1000 RTD, Type U thermistor)

• External temperature/humidity (for combined external temperature/humidity probes)

The storage medium is non-volatile flash memory so no data is lost if the battery becomes discharged. Data logger setup as well as data retrieval is accomplished using the included standard OMYL-SOFT software. Downloaded data is stored in the OMYL-SOFT software as a text file for viewing in third party software packages or Microsoft Excel. The OMYL-SOFT standard software does not include any graphing functionality. Graphing and analyzing downloaded data files requires the OMYL-SOFT-PLUS version of the software (sold separately).

SPECIFICATIONS

Internal Temperature

  • Temperature Range: -30 to 70°C (-22 to 158°F) with standard lithium battery; -40 to 90°C (-40 to 194°F) with optional high temperature lithium battery
  • Temperature Resolution: 0.01°C (0.02°F)
  • Accuracy: See chart on PDF

External Temperature Input

  • Sensor: Pt100 or Pt1000 RTD, U thermistor (2000Ω @ 25°C)
  • Range: -70 to 250°C (-94 to 482°F)
  • Resolution: 0.01°C (0.02°F)

Accuracy: See chart on PDF

Internal/External Humidity

  • Humidity Range: 0 to 100% RH
  • Humidity Resolution: 0.01% RH
  • Accuracy: See chart on PDF

Reading Rate: 1 second to 24 hours; 2 Hz, 4 Hz in fast mode

Start Modes: Immediate start, delayed start

Memory Capacity

  • OMYL-RH25: 100,000 readings
  • OMYL-RH25-4M: 4 million readings

Memory Wrap Around: Yes (software configurable)

Battery: 3V lithium battery [standard temperature range battery (included), optional high temperature range battery]; user replaceable

Battery Life (Standard Temperature Range Battery): 4 years at 1 minute reading rate, 230 days at 10 second reading rate, 25 days at 1 second reading rate

LED Functionality: Integrated status LED indicates data logging status, low battery or alarm condition

Alarms: Software programmable high/low thresholds

Computer Interface: USB (interface cable included)

Software: XP SP3/Vista/7 and 8 (32- and 64-bit)

Operating Environment: -30 to 70°C (-22 to 158°F) with standard lithium battery; -40 to 90°C (-40 to 194°F) with optional high temperature lithium battery

Dimensions: 30 H x 50 mm dia (1.18 x 1.97″)

Weight: 70 g (2.5 oz)

Enclosure: Robust, shock-proof POM, IP65

The OMYL-RH25 is a temperature/humidity data logger that also accepts two external temperature or temperature/humidity inputs. This data logger is available with standard memory of 100,000 readings (OMYL-RH25) or expanded memory of 4 million readings (OMYL-RH25-4M).

The following inputs can be configured:

• Internal temperature and humidity sensors

• External temperature (Pt100/Pt1000 RTD, Type U thermistor)

• External temperature/humidity (for combined external temperature/humidity probes)

The storage medium is non-volatile flash memory so no data is lost if the battery becomes discharged. Data logger setup as well as data retrieval is accomplished using the included standard OMYL-SOFT software. Downloaded data is stored in the OMYL-SOFT software as a text file for viewing in third party software packages or Microsoft Excel. The OMYL-SOFT standard software does not include any graphing functionality. Graphing and analyzing downloaded data files requires the OMYL-SOFT-PLUS version of the software (sold separately).

SPECIFICATIONS

Internal Temperature

  • Temperature Range: -30 to 70°C (-22 to 158°F) with standard lithium battery; -40 to 90°C (-40 to 194°F) with optional high temperature lithium battery
  • Temperature Resolution: 0.01°C (0.02°F)
  • Accuracy: See chart on PDF

External Temperature Input

  • Sensor: Pt100 or Pt1000 RTD, U thermistor (2000Ω @ 25°C)
  • Range: -70 to 250°C (-94 to 482°F)
  • Resolution: 0.01°C (0.02°F)

Accuracy: See chart on PDF

Internal/External Humidity

  • Humidity Range: 0 to 100% RH
  • Humidity Resolution: 0.01% RH
  • Accuracy: See chart on PDF

Reading Rate: 1 second to 24 hours; 2 Hz, 4 Hz in fast mode

Start Modes: Immediate start, delayed start

Memory Capacity

  • OMYL-RH25: 100,000 readings
  • OMYL-RH25-4M: 4 million readings

Memory Wrap Around: Yes (software configurable)

Battery: 3V lithium battery [standard temperature range battery (included), optional high temperature range battery]; user replaceable

Battery Life (Standard Temperature Range Battery): 4 years at 1 minute reading rate, 230 days at 10 second reading rate, 25 days at 1 second reading rate

LED Functionality: Integrated status LED indicates data logging status, low battery or alarm condition

Alarms: Software programmable high/low thresholds

Computer Interface: USB (interface cable included)

Software: XP SP3/Vista/7 and 8 (32- and 64-bit)

Operating Environment: -30 to 70°C (-22 to 158°F) with standard lithium battery; -40 to 90°C (-40 to 194°F) with optional high temperature lithium battery

Dimensions: 30 H x 50 mm dia (1.18 x 1.97″)

Weight: 70 g (2.5 oz)

Enclosure: Robust, shock-proof POM, IP65

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