Monthly Archives: March 2021

Level, Pressure Transmitters

Materontek – Submersible Level TX’s

LT1000 submersible Series:

Sensing and Internet of Things

OEM Submersible Level Transmitter
Stainless steel sensor
Mass production, automated calibration
Sensing and Internet of Things

The LT1000 submersible level transmitter has been designed for level measurement in contact
With the medium in harsh operating conditions. It offers an accuracy of 0.5 %FS and with an
ingress protection of IP 68, is suitable for permanent level measurements up to 100 m water column.

Features:

  • Measuring ranges from 2mH2O to 120 mH2O
  • IP68, Submersible level measurement
  • Low-cost, simple level measurement
  • Accuracy: ±0.5%FSO(Typ.)
  • Calibrated and temperature compensated
  • Stainless steel pressure sensor
  • Output 4…20mA, DC1…5V, DC 0.5…4.5V, MODBUS RTU

Application:

  • Drinking water systems
  • Ground water monitoring
  • Domestic water tanks
  • Rain spillway basin

Technical data

Measuring range:

Nominal pressure [mH2O] 2, 4, 5, 8, 10, 12, 15, 20, 25, 30, 40, 50, 60, 80, 100, 120
Overpressure [mH2O] 3, 6, 7, 12, 15, 20, 30, 35, 40, 50, 60, 70, 100, 110, 130

Performance:

Accuracy* 0.5 %FS@25°C *Linearity (best straight line) + Hysteresis + Repeatability
Operating Temperature -10 to 50°C
Compensated Temperature Range -10 to 50°C
Vibration 20 g RMS(20 to 2000Hz)
Shock 100 g(10ms)
Cycles 10×105
Long Term Stability 0.2 %FS
Electrical @25°C

Output signal:

  • 2-wire 4…20mA / VS = 9… 30VDC
  • 2-wire HART+4…20mA / VS = 12… 30VDC
  • 3-wire 0.5…4.5VDC / VS = 9… 30VDC
  • 3-wire 0.5…4.5VDC / VS = 5VDC
  • 4-wire I2C / VS = 3.3…5VDC
  • 4-wire MODBUS RTU / VS = 9…30VDC
  • Insulation Resistance 100 MΩ@100VDC
  • EMC Test IEC61000-6-2/IEC61000-6-3
  • Reverse polarity protection No damage – no function

Physical Specifications:

  • Housing 316 stainless steel
  • Diaphragm 316L stainless steel
  • Protection cap Stainless steel, POM-C
  • Cable sheath PUR, PE, PTFE
  • Oil Filling Silicone oil
  • Protection IP68
  • Weight ~250g (without cable)

Dimensions: (All dimensions in mm)

datasheet-level-transmitter-lt1000-enDownload

 

Level, Pressure Transmitters

Materontek Pressure TX’s

Series: EPT1000

Sensing and Internet of Things

OEM Pressure Transmitter
Stainless steel pressure sensor
Mass production, automated calibration

Features:

  • Measuring ranges from 200mbar to 100bar
  • Gauge pressure
  • Accuracy: ±0.5%FSO(Typ.)
  • Calibrated and temperature compensated
  • Stainless steel pressure sensor
  • Output 4…20mA, DC1…5V, DC 0.5…4.5V

Application:

  • Hydraulic and pneumatic
  • Machine building
  • Pumps
  • Water treatment
  • IoT pressure measurement

Technical data:

Pressure range:

Nominal pressure [bar]: 0.2, 0.35, 0.6, 1, 1.6, 2.5, 4, 6, 10, 16, 20, 25, 35, 50, 70, 100 (Standard Ranges – others available on request, in Vacuum, and Compound Ranges)
Overpressure [bar]: 0.4, 0.5, 1, 1.5, 3, 5, 7, 10, 15, 30, 40, 50, 70, 100, 140

Performance:

  • Accuracy* 0.5 %FS@25°C *Linearity (best straight line) +
  • Hysteresis + Repeatability
  • Operating Temperature -20 to 85°C
  • Compensated Temperature Range -10 to 70°C
  • Vibration 20 g RMS(20 to 2000Hz)
  • Shock 100 g(10ms)
  • Cycles 10×105
  • Long Term Stability 0.2 %FS
  • Electrical @25°C


Output signal / Supply:

  • 2-wire 4…20mA / VS = 9… 30VDC
  • 3-wire 1…5VDC / VS = 9… 30VDC
  • 3-wire 0.5…4.5VDC / VS = 9… 30VDC
  • Insulation Resistance 100 MΩ@100VDC
  • EMC Test IEC61000-6-2/IEC61000-6-3
  • Reverse polarity protection No damage – no function


Physical Specifications:

  • Housing 304 stainless steel
  • Diaphragm 316L stainless steel
  • Oil Filling Silicone oil
  • Protection IP65
  • Weight ~200g

Connections:

  • E1 – DIN175301-803A/DIN43650/IP65
  • E2 – DIN175301-803A with Circular connector, M12x1(4-pin)/IP65
  • E3 – Circular connector M12x1(4-pin)/IP65

Datasheet- Pressure Transmitter-EPT1000-EN

 

Accessories:     Intelligent LED digital display:

Model  DP-4.

Features:
– 2-wire LED display
– No external power supply required
– The minimum operating current: 3mA
– Four-digit LED, display resolution 1/9999
– Display physical amount: pressure, temperature, flow etc.
– Standard DIN43650 electrical connection

Datasheet-Intelligent LED digital display-DP-4 -EN

 

 

 

Flow, Level, Principals

Harwil Level and Flow Swithes

Gallery

Harwil Corporation’s wide range of liquid level switches provide level control solutions for many industries including chiller, scrubber, carpet cleaning machinery, water treatment, fluid handling and truck/automobile wash industries.

Harwil flow switches have provided reliable solutions for many industries including chiller, scrubber, geothermal, water treatment, boiler, carpet cleaner, pool and spa industries.

Wetted materials ranging from red brass, 316 stainless steel, Hastelloy® C-276-276, Noryl® (PPO), and Fortron® (PPS) accommodate fluids from pure water to strong acids and bases.

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