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Level Switch Model LS2000 NuTec®

Level Switch Model LS2000 NuTec


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Level Switch Summary

The LS2000 level switch provides an economical solution for alarm and limit trip switch applications in process and plant installations. These thermal dispersion technology based level switches have no moving parts to maintain or foul to ensure long service life and reduce routine maintenance costs. These insertion type level switches provide a fast response, highly repeatable trip point with a heavy duty SDPT 6A relay contact. The LS2000 is for use in liquid or slurry level sensing, and as an interface switch between two non-miscible fluids.

Applications

Tank level detection Sump level detection
Foam interface Overflow detection
Sludge interface Fill/drain control

 

Specifications


Setpoint Range:
Water:
0.1 FPS to 1.0 FPS [0,03 MPS TO 0,30 MPS]
Hydrocarbon-based Liguids:
0.1 FPS to 1.5 FPS [0,03 MPS TO 0,45 MPS]
Air/Gas:
0.1 SFPS to 100 SFPS [0,30 NMPS TO 30 NMPS]
Repeatability:
± 10 °F [± 5,5 °C] media temperature change Without temperature compensation: ± 5%
With temperature compensation: ± 1%
For higher repeatability, see FCI FLT93 Series

Accuracy:
Top Mount: ± 1/4" [± 6 mm] from element tip
Side Mount: ± 1/8" [± 3 mm] from center line of element tip

Response Time:
Dry to Wet: Less than 2 seconds
Wet to Dry: Less than 5 seconds
Wet to Wet (Interface): Less than 10 seconds

Flow Element


Materials of Construction:
300 series stainless steel press fit or 316 stainless steel all welded

Process Connections:
For 300 series stainless steel: 1/4" male NPT
For 316L stainless steel: 3/4" male NPT

Insertion Lengths:
300 series stainless steel: 0.98" [25 mm], 2.23" [57 mm] or 3.8" [152 mm]
316L stainless steel: 1.2" [31 mm] or 6" [152 mm]
Customer specified lengths are available as an option.

Operating Temperature: -40 °F to 250 °F [-40 °C to 121 °C]

Operating Pressure: 500 psig maximum [35 bar(g)]

Enclosure:
Aluminum, NEMA 4X [IP66] rated; single or dual conduit ports.


Control Circuit


Operating Temperature: 0° to +140° F [-18° to +60° C]

Input Power:
DC: 24 Vdc (21.5 V to 26.5 V); 1 watt
AC: 24 Vac (21.5 V to 26.5 V); 1 watt
AC: 100 Vac to 240 Vac; 5 watts maximum

Relay Rating:
SPDT 6A relay, 28 Vdc to 240 Vdc resistive[ATEX approval for 28 Vdc (100 mA)]

Instrument Approval and Ratings – FM and CSA:
Explosion Proof for Class I, Div. I, Groups B (alarm relay version only), C, and D; non-incendive for Class I, Div. 2, Groups A, B, C, and D; Dust Ignition Proof for Class II, Div 1, Groups E, F, and G; suitable for Class II, Div. 2, Groups F and G; Class III hazardous indoor/outdoor Type 4 locations; ATEX: (24 Vdc and 24Vac powered units only) II 3 GD EEx nA II T6 T62 °C or II 3 GD EEx nC IIC T6 T62°C; CE marking


Optional N.I.S.T. Flow Calibration Services

Factory N.I.S.T. calibration in air or water is available as an option for customer specified setpoint(s) or a flow curve based on the media ranges specified above



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