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Emerson Fisher DLC3100 Displacer Level Transmitter

Emerson Fisher DLC3100 Displacer Level Transmitter

Brand Emerson fisher
Product origin Singapore
Delivery time 30 days
Supply capacity 500 sets/month

Emerson Fisher DLC3100 Displacer Level Transmitter, Transmitter original import from Singapore Fisher. Accuracy ±0.5% DLC3100 transmitter with operation button for calibration, which is more convenient compare with DLC3010

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Emerson Fisher DLC3100 Displacer Level Transmitter

Overview

249 level sensors used with the DLC3100 digital level controller are available in both caged and cageless

configurations. Figure 7 shows a DLC3100 mounted on a caged 249 sensor. Caged sensors provide more

stable operation than do cageless sensors for vessels with internal obstructions or considerable internal

turbulence. Cageless sensors are generally used on specific gravity and interface control applications

requiring large displacers that are more easily accommodated by flange connections up to 8 inches.

The availability of many different displacer stem lengths permits lowering the displacer down to the

most advantageous depth in the vessel.

Emerson level transmitter

DLC3100 level trarnsmitter

displacer level transmitter

Technical parameters of Emerson Fisher DLC3100 Displacer Level Transmitter

Level of accuracy :0.5%

Range :300〜3000 mm( or special manufacture)

Medium density :0.4〜1.5 g/cm³(liquid level) density difference >0.05 g/cm³(Boundary)

Nominal pressure :1.6~42 MPa

Medium temperature :-100〜400°C

Temperature :-40~70C

Output signal :4-20 mA overlay HART protocol

Electrical interface: M20x1.5(or NPT 1/2”)

Process connection: implement manufacturer's standards DN40、DN50 special requirements

Heat tracing interface: Gl/2”

Thermal pressure :<0.6 MPa

Explosion-proof form: intrinsically safe: E x ia IICT 4/T5/T6

flameproof: E x dllCT 4/T5/T6; type

Class of protection: IP65

Emerson level transmitter

Principle of Operation Emerson Fisher DLC3100 Displacer Level Transmitter

The DLC3100 digital level controller is a loop-powered instrument that measure changes in liquid level, level

of an interface between two liquids, or density of a liquid. A level, density, or interface level change in the

measured fluid causes a change in the displacer buoyancy (figure 6). This change is transferred to the

torque tube assembly. As the measured fluid changes,the torque tube assembly rotates.

The rotary motion of the torque tube is transferred to the digital level controller lever assembly (figure 6).

The rotary motion moves a magnet attached to the lever assembly, changing the magnetic field that is

sensed by the Hall-effect sensor. The sensor converts the magnetic field signal to a varying electronic signal,

which is processed digitally to provide linearity corrections, sensitivity adjustment, and temperature

compensation.

The signal is interpreted as a buoyancy change by reference to the stored torque rate, coupling point,

and moment arm data. The buoyancy change in turn is interpreted as a level, interface, or density change by

reference to stored displacer volume, specific gravity, and displacer length data. In level or interface modes,

the correction for displacer motion is then added, as well as user-supplied offset to change the PV reference

from the bottom of the displacer or correct for a coupling point error.

The resultant primary variable (PV) is then compared to PV alarm thresholds (if enabled) and used to set

status bits and/or trigger the analog alarm current. If the alarm is not triggered, the PV is used to generate

4-20 mA analog and 0-100% range digital signals by reference to the stored upper and lower range values.

The resultant analog command is limited at the saturation values to allow discrimination between

saturated and alarm signals.

Model selection Emerson Fisher DLC3100 Displacer Level Transmitter

Model	Specification number									Content description
DLC3100-										DLC3100 level transmitter
DLC3100SIS-	SIL II									DLC3100SIS level transmitter
Type	S									Field visual
Measureme nt methods		1								Level measurement
		2								Boundary survey
		3								Density measurements
Installation mode			A							Top side
			B							Top bottom
			C							Lateral
			D							Bottom Side
			E							Top Type
			F							Side placement
Pressure rating				2						1.6,2.0 MPa (Cass 150)
				3						2.5 MPa
				4						4.0 MPa
				5						5.0 MPa (Class300)
				6						MPa 6.3
				10						10.0 MPa
				11						11.0 MPa (Cass 600)
				15						15.0MPa (Class 900)
				16						16.0 MPa
				25						25.0 MPa
				26						26.0 MPa (Class1500)
				42						42.0 MPa (Cass 2500)
Outer barrel material					T					Carbon steel
					H					Stainless steel :0 Cr18Ni9(304)
					R					Stainless steel :00 Cr17Ni14Mo2(316L)
					F					Stainless steel PTFE
					X					Other material (or according to actual material)
Working temperature						D				Medium temperature -20C~100C
						G				Medium temperature 100CT00C
Explosion proof rating							i			Benam
							D			flameproof
Annex								B		External tube heating
Scope of measureme nt									L	mm of measurement range
The UTZS1 C4TGiB800 is DLC3000 displacer level transmitter intelligent torque tube buoy liquid level transmitter, field visible type, side type, pressure grade 4.0 MPa, intrinsically safe type, outer material carbon steel, medium temperature 120°C, with hea tracing, measuring range 800 mm.