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Magne-Trac - Model MTLT-5000 - ...

Magne-Trac - Model MTLT-5000 -Magnetostrictive Level Transmitter

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The MTLT-5000 is based upon the magnetostrictive principle. The sensing tube contains a wire which is pulsed at fixed time intervals. The interaction of the current pulse with the magnetic field created by the magnetic float causes a torsion stress wave to be induced in the wire. This torsion propagates along the wire at a known velocity, from the position of the magnetic float and toward both ends of the wire. A patented piezo-magnetic sensing element placed in the transmitter assembly converts the received mechanical torsion into an electrical return pulse. The microprocessor-based electronics measures the elapsed time between the start and return pulses and converts it into a 4-20 mA DC output which is proportional to the level being measured.

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Designed to mount externally to the Magne-Trac
No maintenance required
Multidrop HART Communications
FM Approved Explosion Proof/IS
NEMA 4X/7 enclosure
Modular design
Adjustable output damping
Up to .001” resolution
2-wire loop powered
RFI/EMI protection
Offers a 4/20 mA 2-wire loop powered circuit for continuous level measurement
Available in lengths up to 300 inches
Process temperature range: -30 to 400 degrees F.
The Non-Contact design ensures no wear to the sensing element, thus requiring no maintenance or recalibration

Level Output: Specification
Measured Variable: Product level & interface level
Output Signal / Protocol: 4 to 20 mA with HART®, 1 or 2 Loop
Order Lengths: Flexible Hose:

(ATEX Ex ia IIB, FM IS Group C, D):
3048 mm (120 in.) to 7620 mm (300 in.)*

All Else:

3048mm (120 in.) to 12200mm (480 in.)*

Rigid Pipe:

508mm (20 in.) to 7620mm (300 in.)

Non-Linearity: 0.02% F.S. or 0.794mm (1/32 in)**
Repeatability: 0.01% F.S. or 0.381mm (0.015 in)** (any direction)
*Contact QTS for longer lengths
**Whichever is greater
Output: 4-20mA HART®
Linearity: 0.02% F.S.
Measuring Range: Rigid Pipe: 20-300 Inches Flexible Hose: 120-480 inches
Approval: ATEX, CSA, FM
Parameters: Specification
Enclosure Rating: NEMA Type 4X
Humidity: 0 to 100% relative humidity, non-condensing
Operating Temperature: Electronics:

-40°C (-40°F) to 71°C (160°F)

Sensing Element:

-40°C (-40°F) to 125°C (257°F)

Temperature Element:

-40°C (-40°F) to 105°C (221°F)

Vessel Pressure:

Industrial Rigid Pipe: 1000 psi (69 bar)
Sanitary Pipe: 435 psi (30 bar)
Teflon Pipe: 100 psi (7 bar)
Flexible Hose: 260 psi (18 bar)

Materials:

Wetted Parts: 316L stainless steel
Non-wetted Parts: 316L stainless steel
Epoxy coated aluminum

* Contact QTS for alternative material

Electronics

Input Voltage: 10.5 to 36 VDC, 28 VDC Max. for I.S. Approval
Fail Safe: High (21.4mA) or Low (3.8 mA)
Reverse Polarity Protection: Series diode
Light/Transient Protection: Stage 1:

Line-to-ground surge suppression; IEC 61000-4-5

Stage 2:

Line-to-ground surge and line-to-ground transient suppressors, IEC 61000-4-4

Wiring

Connections: 2-wire shielded cable or twisted pair, Daniel Woodhead 6-pin male connector, 4570 mm (180 in) integral cable with pigtail

Calibration

Zero Adjust Range: Anywhere within active length
Span Adjust Range: Full Scale to 152 mm (6in.) from zero

Mounting

Rigid Pipe: ¾” in. adjustable MNPT fitting Flange or Ti-Clamp® Mount
Flexible Hose: 1” in. adjustable MNPT fitting Flange Mount

Electrical Connections

Single & Dual Cavity: ¾” in. FNPT conduit opening
NEMA Type 4X: ½” in. FNPT conduit opening

Display

Measured Variables: Product level, interface
Variables: Level and temperature
Size: 13 mm (0.5 in)
Number of Digits: 16