M-Sens 2 Online Residual Moisture Measurement

SKU: M-Sens 2

Microwave sensor for continuous moisture measurement in dry bulk solids

Sensors for continuous moisture measurement and installation on conveyor belts, screw feeder or hoppers.
Two types of sensor-technology to cover a wide range of applications. Both sensors penetrate the product for most reliable measurements.
Microwave based sensor for high resolution and accuracy.

  • highly resistant to abrasion
  • integrated temperature reading
  • flow detection function
Reliable moisture measurement with high resolution

 

  • Brand
  • FEATURES & BENEFITS
  • MAIN APPLICATIONS
  • TECHNICAL SPECIFICATIONS
  • TECHNICAL DATA
  • MOUNTING & INSTALLATION

Brand

Envea SWR

FEATURES & BENEFITS

  • Moisture ranges 0 … 65 % (depending on material)
  • Measurement accuracy 0.1 %
  • Online moisture measurement
  • ATEX-certified
  • Recording of surface moisture and capillary moisture
  • Independent of the material colour
  • Temperature-resistant up to 120 °C

MAIN APPLICATIONS

  • Cement
  • Chemistry
  • Asphalt
  • Food
  • Glass
  • Grain
  • Lime
  • Minerals
  • Steel
  • Wood
  • Foundry
  • Construction materials
  • Biomass
  • Recycling
  • Building materials
  • Power plant

TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS
Material to measure Dust, powders or granulates
Place to measure Screw conveyor, belt conveyor, container, slide, dryer, mixer
Working principle Microwave
Moisture range 0 to 65% (depending on application)
Material temperature Max. 120°C
Temperaure measurement Not included
Mounting Flange
ATEX rating Category 1
Output 4…20mA, Modbus, Profibus

TECHNICAL DATA

  • Moisture ranges: 0 – 65 % (depending on material)
  • Measurement accuracy: 0.1 %
  • Temperatur resistant: up to 120°
  • ATEX – certified
  • Materials: alls types of dust, powder, granulates and other bulk solids
  • Different mounting positions possible
SENSOR TECHNICAL DATA
Housing Stainless steel 1.4571
Sensor surface Ceramic
Ex-protection (optional) Zone 20 (Dust), Zone 0 (Gas)
Protection category IP 67 according to EN 60529
Material ambient temperature 0 … +80 °C, optional 120 °C
Working pressure Max. 10 bar
Power consumption 0.6 W
Response time 0.1 sec
Weight Approx. 1000 g
Measuring range 0 … 65 % residual moisture
(depending on material)
Accuracy 0.1 % absolutely
in the calibrated measuring range
Connection cable shielded cable 4-wired, 0.25 mm2
TRANSMITTER TECHNICAL DATA
Transmitter (DIN Rail) Transmitter (field housing)
Power supply 24 V DC ±10 % 110 / 230 V AC 50 Hz
(optional 24 V DC)
Power consumption 20 W / 24 VA
Protection type IP 40 to EN 60 529 IP 65 to EN 60 529/10.91
Ambient operating temperature -10 … +45 °C
Dimensions (W x H x D) 23 x 90 x 118 mm 258 x 237 x 174 mm
Weight Approx. 172 g Approx. 2.5 kg
Connection terminals cable
cross-section
0.2-2.5 mm2 [AWG 24-14]
Current output 1 x 4 … 20 mA (0 … 20 mA),
load < 500 Ω
3 x 4 … 20 mA (0 … 20 mA),
load < 500 Ω
Interface RS 485 (ModBus RTU) / USB
Pulse output Open collector – max. 30 V, 20 mA
Relay contact Max. rated load:
250 V AC
Max. peak current:
6 A
Max. rated load 230 V AC:
250 VA
Max. breaking capacity DC1:
3/110/220 V: 3/0.35/0.2 A
Min. switching load:
500 mW (10 V / 5 mA)
Data backup Flash memory

MOUNTING & INSTALLATION

Flexible positioning
The M-Sens 2 was developed to offer maximum flexibility during assembly. The following aspects should be taken into account in the positioning of the probe: The measuring field penetrates the densest materials (e. g. sand). With a minimum depth of 120 mm, the probe should always be directed at the material to avoid reflection problems.

Installation situations

Container
For a simple installation, a standard connection flange is available.

Conveyor belt
Measurement of material moisture on a conveyor belt. A constant material height is generated by attaching a material skimmer. This offers ideal conditions for an online measurement.

Conveyor screw
The installation in the lower third of a conveyor screw has the advantage that the material volume that passes over the sensor is almost constant, allowing for an optimal measurement. The movement of the auger flights is hidden.

Free fall pipe
To be able to measure in free fall pipes or inclined pipes (chutes) with the M-Sens 2, it is possible to gather material in front of the probe in the short term, for the duration the measurement, with a catching mechanism. After the measurement, the flap will open again and allows the gathered material to continue to drop. The measuring process can be permanently repeated in short or long intervals according to requirements.

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