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DewPro MMR101 - High-Temperature Moisture Transmitter

High-Temperature Moisture Transmitter

The DewPro MMR 101 is a high temperature loop-powered moisture and temperature transmitter. Housed in a Type4X enclosure, featuring simple two-wire or four-wire connection, and suitable for temperatures to 150ºC, the MMR101 is designed to withstand the harshest environments. Applications include power generation, food processing, paint and coating/finishing processes, clean room monitoring, pharmaceutical processing and other industrial applications.

The DewPro MMR101 features proven polymer capacitive sensor technology for measurement over the entire range of 0 to 100% RH with an accuracy of ±2%, and a platinum TRD temperature sensor for temperature measurement from 0ºC to 150ºC. An optional integrated display with user interface provides full programming and diagnostic capability. In addition, the transmitter is FM approved intrinsically safe or explosion-proof for use in Class I, Division I hazardous areas.

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Features

  • Simple loop-powered 4-20 mA connection
  • Proven polymer capacitive sensor technology for fast response and calibration stability
  • Platinum RTD temperature sensor
  • Operating temperature to 150°C (300°F)
  • ½ in MNPT or other process connections
  • 0 to 100% RH
  • Dew point 0°C to 150°F (32°F to 300°F)
  • Microcontroller in electronics Type 4X(IP67) enclosure
  • Optional integrated display with user interface
  • Optional FM approved intrinsically safe or explosion-proof for use in Class I, Division I hazardous areas
  • English or metric fitting

 

Applications

Applications include food processing, high temperature solids drying, paint and coating/finishing processes, pharmaceutical processing, and other industrial applications.

Specifications

Sensing Element Polymer; capacitance
RH Range 0 to 100%
RH Accuracy ±2% up to 150°F (65°C)
Temperature Sensor Platinum RTD
Temperature Accuracy ±2°F (±1.1°C)
Operating Temperature Range Process: 32°F to 300°F (0°C to 150°C)
Electronics: -40°F to 185°F (-40°C to 85°C)
Maximum Operating Pressure 150 psi (10.2 bar)
Electronics Microcontroller operated, loop-powered
Loop Power Supply 24 VDC nominal, 12 to 30 VDC range
Outputs Two fully isolated 4 to 20 mA current loops (moisture and
temperature) patented (U.S. patent #5,677,476)
Hardware Selectable Units 0% to 100% RH, -40°F to 212°F or -40°C to 100°C dew point (up to 320°F or 150°C under system pressure), 0 to 1000 g/m3 absolute humidity, and 0 to 1000 g/kg mixing ratio dry air, wet buld temperature, volume %
Optional Display Four-digit numeric display with bar graph and matrix position indication. Four user interface keys for unit selections, output adjustments and ranging.
Protection Type 4X/IP67
Probe Tube 16 in (400 mm) 316 stainless steel, 0.5 in diameter. Adjustable insertion length from 3 in (80 mm) to 14.25 in (362 mm). 9 in (225 mm) also available.
Typical Mounting Adapter 1/2 in tube x 1/2 in NPT-M or G 1/2 compression fitting;
flanges and other sizes available upon request
Sensor Guard 40 micron sintered filter, 316 stainless steel cap
Weight 4.4 lb (2 kg)
European Compliance Complies with EMC Directive 89/336/EEC and PED 97/23/EC for DN<25
Optional Certification/Approvals • FM IS Class I,II,III, Division 1, Groups A,B,C,D,E,F&G, T4
• FM XP-IS Class I, Division 1, Groups A,B,C&D, T5
• FM NI Class I, Division 2, Groups A,B,C&D, T4A
DIP Class II,III, Division 1, Groups E,F&G, T4
• ATEX II 3G EEx nA IIC T4

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DewPro MMR 101 acrobat-reader acrobat-reader
DewPro MMR 101 Operating Manual acrobat-reader
DewPro® MMR101 Transmissor de umidade de alta temperatura acrobat-reader


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