OMYL-M61 and OMYL-M62

OMYL-M61 and OMYL-M62 light data loggers recordluminance with a spectral sensitivity adjusted to thespectrum of the human eye. These data loggers areavailable with standard memory of 100,000 readings(OMYL-M61, OMYL-M62) or expanded memory of 4million readings (OMYL-M61-4M, OMYL-M62-4M).

Models OMYL-M61 and OMYL-M61-4M have oneinternal channel for light measurement. ModelsOMYL-M62 and OMYL-M62-4M models have threeinternal channels for measuring light, temperatureand humidity. These data loggers are typically usedin weather stations, museums, street lighting orcommercial/industrial lighting studies.

The storage medium is non-volatile flash memory sono data is lost if the battery becomes discharged. Datalogger setup as well as data retrieval is accomplishedusing the included standard OMYL-SOFT software.Downloaded data is stored in the OMYL-SOFT softwareas a text file for viewing in third party software packagesor Microsoft Excel. The OMYL-SOFT standard softwaredoes not include any graphing functionality. Graphingand analyzing downloaded data files requires the OMYLSOFT-PLUS version of the software (sold separately).

SPECIFICATIONS
Sensor Type
    OMYL-M61/OMYL-M61-4M: Single internal channel for light (luminance)
    OMYL-M62/OMYL-M62-4M: Three internal channels for light (luminance), temperature and humidity
Measuring Range
    Light (Luminance): 0 to 40,000 lux
    Relative Humidity (OMYL-M62, OMYL-M62-4M Only): 0 to 100% RH
    Temperature (OMYL-M62, OMYL-M62-4M Only): -30 to 70°C (-22 to 158°F) with standard battery;
     -40 to 90°C (-40 to 194°F) with optional high temperature battery
Resolution
    Light: 1 lux
    Relative Humidity (OMYL-M62, OMYL-M62-4M Only): 0.01% RH
    Temperature (OMYL-M62, OMYL-M62-4M Only): 0.01K, 0.01°C (0.02°F)
Reading Rate: 1 second to 24 hours
Start Modes: Immediate start, delayed start
Memory Capacity
    OMYL-M61/OMYL-M62: 100,000 readings
    OMYL-M61-4M/OMYL-M62-4M: 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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