DewPro_MMR101

DewProR MMR 101
High-Temperature Moisture Transmitter

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DewPro MMR101 High-Temp. Humidity Transmitter

A high-temperature loop-powered moisture and temperature transmitter with two current loops for in-line measurement. Simple two-wire or four-wire connection and rugged, stable housing ensure trouble-free mounting indoors or outdoors.

Features:

Operating temperature up to 150°C (302°F).
0 to 100% relative humidity.
Dew point 0°C to 150°C (32°F to 302°F).
4 to 20 mA loop-powered.
Second isolated 4 to 20 mA loop for temperature measurement (patented).
1/2” MNPT or other process connections.
Capacitive polymer sensor.
Platinum RTD temperature senor.
Microprocessor electronics in NEMA 4X enclosure (IP 66).
IS or x-proof FM approved.

Options:

Integral Display with user interface.
External display available with loop-powered supply and alarm.
English or Metric fittings.
DewPro Communication Software contacts.

Specifications

Sensing Element: Polymer; capacitance.

RH Range: 0 to 100%.

RH Accuracy: ±2%.

RH Resolution: ±0.02%.

RH Repeatability: ±1%.

Temperature Senor: Platinum RTD.

Process Temperature

Range: 0°C to +150°C (+32°F to +302°F).

Temperature Accuracy: ±1.1 °C (±2°F).

Temperature Resolution: 0.05°C (0.09°F).

Operating

Temperature Range: Electronics, -40°C to +85°C
(-40°F to 185°F).

Maximum Operating

Pressure: 150 psi (10.2 bar).

Electronics: Microprocessor controlled, loop-powered.

EMI/RFI Protection: Meets IEC 801-1 through
801-6.

Loop Power Supply: 24 V DC nominal, 12 to 32 V DC 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, 0°C to 100°C or 32°F to 212°F 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.

Standard Temperature

Output: 0°C to 150°C (32°F to 302°F) range.

Display: 4-digit numeric display with bar graph and matrix position indication. Four user interface keys for unit selections, output adjustments and ranging.

Protection: NEMA 4X (IP 66) or X-proof.

Probe Tube: 316 SS, 0.5" diameter. Adjustable insertion length from 3" (76.33 mm) to 14.25" (362mm).

Typical Mounting

Adapter: 1/2" tube x 1/2" MNPT compression fitting; flanges and other sizes available upon request.

Sensor Guard: 40 micron sintered filter, 316 SS cap.

Weight: 4.4 lbs (2 kg).