Temperature/Humidity Data Logger with 2 Universal External Inputs - Discontinued


Temperature/Humidity Data Logger with 2 Universal External Inputs | OMYL-M90

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1 ano de garantia CE
  • Integral Temperature/Humidity Sensors
  • • OMYL-M90 has Internal Temperature/Humidity Sensors
  • • OMYL-M90E Fitted with Integral Temperature/Humidity Probe
  • 2 External Inputs for:
  • • Combined Temperature/Humidity Sensors
  • • Pt100/Pt1000 RTD, Thermistor Temperature Sensors
  • • Process Voltage or Current Input
  • • Pulse Input
  • Up to 4 Million Readings (Internal Memory Size)
  • Up to 32 Hz Sampling Rate
  • High Accuracy
  • 20 Bit A/D Converter
  • Shock Proof, IP65 Housing (Dust and Water Jet Proof)
  • Transfer Rate of 500 kbps
  • Low Current Consumption
  • Up to 4 Years Battery Life


This product line has been discontinued. For an alternate product, please see our wide selection of temperature and humidity loggers here.

The OMYL-M90 and OMYL-M90E are temperature/ humidity data loggers that also accept two universal external inputs and are software configurable to record up to 6 parameters. These data loggers are available with standard memory of 100,000 readings (OMYL-M90, OMYL-M90E) or expanded memory of 4 million readings (OMYL-M90-4M, OMYL-M90E-4M). The following inputs can be configured: • Temperature and humidity (internal sensors for OMYL-M90, integral temperature/humidity probe for OMYL-M90E) • External temperature (Pt100/Pt1000 RTD, U thermistor) • External temperature/humidity (for combined external temperature/humidity probes) • Process voltage or current (0 to 10 mV, 0 to 20 mV, 0 to 50 mV, 0 to 100 mV, 0 to 1 V, 0 to 2.5 V, 0 to 5 V, 0 to 10 V, 0 to 24 mA) • Pulse or frequency input, e.g., from revolution counters, rain gages, photoelectric sensors For pulse input once activated the data logger senses and records the number of pulses/contact closures that occur within adjacent “time bin” periods. The bin period is selectable from 1 second to over 24 hours. At the end of each bin period, the total number of pulses/counts within the bin period is recorded. The data logger then starts another bin period and continues until either the memory is full or the test period has ended. 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 (ordered separately).

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)
External Temperature Input
    Sensor: Pt100 or Pt1000 RTD, U thermistor (2000 Ω @ 25°C)
    Range: -70 to 250°C (-94 to 482°F), probe dependent
    Resolution: 0.01°C (0.02°F)
Internal/External Humidity
    Humidity Range: 0 to 100% RH
    Humidity Resolution: 0.01% RH
Current Input
    Range: 0 to 24 mA
    Resolution: 0.36 µA
    Input Impedance: 10 Ω shunt
    Accuracy: 0.1% of range
    Signal Input: OMYL-CI cable
Pulse Input
    Signal Input: Potential-free (dry contact) signals and low level pulses < 3 Vdc can be measured with the OMYL-CS input cable; higher voltage level pulses up to 24 Vdc can be measured with the optional OMYL-CP input cable
    Maximum Input Voltage: 24 Vdc
Measuring Range
    Potential Free (Dry Contact) Pulses
        Pulse Count: 0 to 65,000 pulses
        Pulse Rate: 0 to 100 Hz
    Voltage Pulses
        Pulse Count: 0 to 65,000 pulses
        Pulse Rate: 0 to 1300 Hz
Reading Rate: 1 second to 24 hours; 2 Hz, 4 Hz, 8 Hz, 16 Hz, 32 Hz in fast mode (only 4 Hz for humidity sensors)
Start Modes: Immediate start, delayed start
Memory Capacity: OMYL-M90, OMYL-M90E; 100,000 readings: OMYL-M90-4M, OMYL-M90E-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 (included); -40 to 90°C (-40 to 194°F) with optional high temperature lithium battery
    OMYL-M90, OMYL-M90-4M: 30 H x 50 mm dia (1.18 x 1.97")
    OMYL-M90E, OMYL-M90E-4M: 30 H x 50 mm dia (1.18 x 1.97") with 100 L x 8 mm dia probe
Weight: 70 g (2.5 oz)
Enclosure: Robust, shock-proof POM, IP65


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