MDM300

 High-speed dew-point hygrometer
A high-speed dew-point hygrometer for repeatable, fast and accurate moisture content measurements in the field. This lightweight, portable instrument allows far more measurements per working hour than any other comparable product. Logged data can be downloaded wirelessly via a Bluetooth connection eliminating the need to carry connecting cables.





Product Features

  • Repeatedly fast measurements in less than 10 minutes for T95 down to -70°C (-94°F) dew point
  • Long battery life: more than 48 hours of typical usage between charges
  • Best in its class: ±1°C (±1.8°F) dew point accuracy
  • External 4-20mA device input for dew-point, temperature or pressure transmitters
  • Bluetooth connection for trouble-free download of data
  • Built in sampling system to 4500psi with external options to 6000psi
  • Lightweight: less than 3lbs
  • Easy operation: just switch on and measure
    MDM300

    Technical Specification

    Performance
    Measurement Technology Michell ceramic sensor
    Accuracy ± 1°C (± 1.8°F) from -60 to +20°C (-76 to +68°F) dew point
    ± 2°C (± 3.6°F ) from -100 to -60°C (-148 to -76°F) dew point
    ± 0.2°C (± 0.36°F) temperature
    Measurement Range Calibrated -100 to +20°C (-148 to /+68°F) dew point
    Readings to +30°C (+86°F) dew point
    Readings to +85°F (+30°C) dew point
    Measurement Units °F, °C, K for dew point and gas temperature
    ppmV, ppmW for air, N2, H2, CO2, SF6%R H, g/m-3, g/kg
    Option: active pressure (psi, bar, MPa, KPa)
    Resolution (display) 0.1 for all dew-point derived units and autoranging where appropriate, e.g. ppm
    Resolution (measurement) 0.01°C (0.01°F) dew point
    Typical Response Speed T95 in ≤10 minutes to -70°C (-94°F)
    Measurement System Repeatability Better than 0.1°C (0.18°F)
    Measurement System Stability 0.18°F (0.1°C)
    Measurement System Hysteresis 0.05°C (0.09°F)
    Electrical input/output
    Auxiliary Inputs 4-20mA loop-powered external input selectable as either dew point, temperature or pressure
    Battery Type NiMH 4.8V
    Battery Operating Life More than 48 hours of typical usage between charges
    Battery Accessibility Internally mounted
    Battery Charger Intelligent charger (supplied)
    Operating conditions
    Operating Pressure Range 5000 psi for MDM300 internal sensor, higher pressures with external sampling sytems
    Operating Environment Outdoors 0 to +100% RH condensing
    Operating Temperature -20 to +50°C (-4 to +122°F)
    Storage/ Transport Temperature -40 to +70°C (-40 to +158°F)
    Mechanical specification
    Display Blue LCD graphical display
    Enclosure Type Steel fiber-loaded high-impact polyamide 6
    Enclosure Ingress Protection NEMA 4 (IP66)
    Gas Connections 1/8" NPT female (other options available)
    Flow Across Sensor 0.2 to 2 l/min (0.4 to 4.0 SCFH)
    Filters 50 micron stainless steel sinter in the inlet port
    Gas Wetted Materials AISI 316L stainless steel
    Outline Dimensions 8.6in. x 6.7 in. x 3.6 in. (218mm x 170mm x 90mm)
    Weight 2.9 lbs (1.3 kg)
    General
    Data Logging 8 megabytes; Log interval: 5 to 60 second; Logs per log file: Up to 10,000
    Communications (Wireless) BluetoothTM range up to 5m (16.5ft). (version 2.0)
    Languages English, Spanish, Portuguese, Italian, French, German

    Applications

    Compressed Gas Breathing Air Drying Of Plastics Military / Defense General Engineering Power Generation Beverage Industry General Gases

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