Thetys Pumps SRL
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E-mail: office@thetyspumps.com
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Submersible pressure sensor type ABS MD 127 – Thetys Pumps
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Submersible pressure sensor type ABS MD 127

Thetys Pumps / Products  / Control and monitoring equipment  / Measuring devices / Submersible pressure sensor type ABS MD 127

Submersible pressure sensor type ABS MD 127

Submersible and highly accurate

MD 127 is a sewage water resistant, stainless steel encapsulated, submersible, hydrostatic level sensor of very high accuracy and over pressure capability. It is designed for level measurement in liquids like stormwater and wastewater in pump sumps. When connecting the 2-wire loop powered sensor in series with a DC power supply, the MD 127 gives a 4 to 20 mA output signal which is proportional to the level of the liquid.

Main design features

The output signal can be connected to the mA – input of set point relays, chart recorders, indicating instruments, PLC, pump-controls, etc. The number of devices in series and the length of the cable from sensor to the devices is dependant on the supply voltage.
The ceramic sensing element can withstand very high overpressures without damage.

Key characteristics
Measuring Range Max. Overpressure Cable Length
0 – 1.0 mH2O 4 bar 10 m
0 – 2.0 mH2O 6 bar 10 m
0 – 2.0 mH2O 6 bar 25 m
0 – 4.0 mH2O 6 bar 10 m
0 – 4.0 mH2O 6 bar 25 m
0 – 10 mH2O 10 bar 15 m
0 – 10 mH2O 10 bar 25 m
0 – 20 mH2O 10 bar 25m
0 – 40 mH2O 25 bar 45 m
Technical specifications

Description

Cable PE, shielded
Housing Stainless steel 1.4404
Sensor Ceramic AL203 ,gold coated
Output signal 4 – 20 mA, 2-wire, fixed to the sensors measuring range
Accuracy ≤ ±0.2 % FS @ 25 °C
Response time 200 ms
Supply voltage 9…30 V DC
Ambient temperature -25…80 °C
Temperature coeff. ≤ ± 0.02 % FS/K (Zero)
Long term stability ≤ ± 0.2 % FS p.a.
Protection P 68
Weight of sensor approx. 0.5 kg
Weight of cable 0.5 kg / 10 m
Electrical connection shielded PE cable with pressure compensation capillary and filter

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