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Working Principle

The probe forms a capacitance with the metallic tank-wall.
The capacitance is sum of three capacitance :

C(air)=ε(air) × P × (H - L)
C(material)=ε(material) × P × L
C(residual) is due to device itself.

where ε(air) is the dielectric constant of air ≈1. ε(material) is dielectric constant of material.

P is constant of probe and installation, H is the active length of probe and L is the level of material.

Capacitance to level translation is performed with the aid of on-site calibration also called "wet-calibration"

The device stores a low level capacitance as level for 4mA and high level capacitance as level for 20mA as defined by the user.

Using these values and following equation.
L(high) L(low) = C(high) C(low) / P × {ε(material) ε(air)}


device creates a chart of level to 4-20mA translation.

Applications

    Application : ROF

  • Open channel level to flow-rate measurement and calculator
  • Supports all common weirs and flumes
  • 4-20mA retransmission of either head (level) or Rate of Flow
  • Up-to 3 Relay outputs for either head (level) or Rate of Flow

    Application : LOH

  • Loss of Head measurement and calculator
  • 4-20mA retransmission of either high head, low head or loss of head
  • Up-to 3 Relay outputs for either high head, low head or loss of head

Features: (Common to both RoF, LoH)

  • Universal AC supply 80-260 VAC 50/60Hz.
  • Industrial DC supply 18 to 32 VDC.
  • Isolated 4-20mA output for remote monitoring and control.
  • 3 SDPT relays for local alarm or control.
  • Easy calibration to assist variety of installations.

Typical Mounting

Product Video

Coming soon...

Contact Us

39, Mangal Nagar, Behind Sai Ram Plaza, Near Rajiv Gandhi Circle, AB. Road,, Indore, Madhya Pradesh 452001, India

+91-731-656 2425, +91-731-243 5106,

sales@trumen.in

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