Dwyer LTS Manuel d'utilisateur télécharger pdf (Page 1)

The Series LTS Tilt Switch Probes are able to sense either the presence or ab-

sence of material when other sensors won’t work due to bin vibration, or actual

walls aren’t available for mounting other types of measuring units. The probes are

esigned for use where the bulk material to be sensed is exposed or open. Typical

pplications include high or low level detection in large hoppers, silos, crushers, or

rippers; high level control under stackers, and detection of plugged conditions at

conveyor transfer points. Series LTS probes can also be used to detect the pres-

ence or absence of bulk material on belt conveyors, on chutes to indicate product

flow, and to aid in loading rail cars or trucks.

Tilt Switch Probes are available containing either a SPST, normally closed or non-

mercury switch. All probe models are airtight, dust tight, and waterproof. Series

LTS probes feature a probe activation angle of 25° from vertical. The units come

in a standard heavy-duty model as well as a compact model. The compact probe

should be used for applications involving small bins and hoppers where space is

limited, while the heavy duty probe should be used for applications where a heavy

duty abrasion-resistant probe is necessary.

INSTALLATION INSTRUCTIONS

PROBE INSTALLATION

The probe should be suspended using a fixed support, such as a mounting brack-

et or S-hook, at a position where it will easily intercept the bulk material at the

desired indication point. There must be a free flow of material both to and away

from the probe. In some installations, it is necessary to install a baffle or shield

above the probe assembly to protect it from product surges.

Figure 2: Typical Applications

Series LTS Tilt Switch Probe

Specifications - Installation and Operating Instructions

ulletin L-30

SPECIFICATIONS

Service: Powder and bulk.

emperature Limit: -40 to 150°F (-40 to 66°C).

witch Type: SPST, normally closed.

lectrical Rating: 0.25 A max, 60 V max, 3 VA max.

Electrical Connection: 16-3 type SO connection cable.

Cable Length: 25 ft (7.6 m) unless otherwise specified.

Probe Length: Standard: 9˝ (23 cm); Compact: 6˝ (15 cm).

Signal Voltage: 15 VDC.

Actuation Angle: 25° from vertical.

Material: Steel or 302/304 SS.

Switch Surrounding: Epoxy encapsulated.

Mounting Orientation: Vertical.

Weight: Standard: 4.75 lbs (2.15 kg); Compact: 2.5 lbs (1.13 kg).

Features: Fittings for hangers.

Agency Approvals: Meets NEMA 4.

WIRING

All wiring should be in compliance with applicable Local, Federal, and State codes.

Probe connection cable is 16-3 type SO and is attached to the probe. Probe cable

length is supplied as specified per order, and may be spliced.

MAINTENANCE

The Series LTS Tilt Switch Probes are not field serviceable and should be returned

if repair is needed (field repair should not be attempted and may void warranty).

Be sure to include a brief description of the problem plus any relevant application

notes. Contact customer service to receive a return goods authorization number

before shipping.

PROXIMITY CONTROLS

Phone: 219/879-8000 www.dwyer-inst.com

A DIVISION OF DWYER INSTRUMENTS, INC.

Fax: 219/872-9057 e-mail: [email protected]

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.

Model

LTS-N11G-025

TS-N21G-025

TS-N12G-025

TS-N22G-025

Probe Size “C”

9˝ Steel

˝ Steel

˝ SS

“A”

6-3 SO Cable

“B”

-7/8 [47.63]

-7/16 [36.51]

-7/8 [47.63]

-7/16 [36.51]

Cable Length

25 ft

Electrical Connection

Standard: 16-3 type SO Connection Cable

Model

LTS-N11G-025

LTS-N21G-025

LTS-N12G-025

LTS-N22G-025

Size

Standard

Compact

Standard

Compact

Probe Material

Steel

Stainless Steel

Switch Material

Non-mercury

Consult factory for custom cable lengths.

EE PROBE

SIZE C

PROXIMITY CONTROLS 1

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The Series LTS Tilt Switch Probes are able to sense either the presence or ab-sence of material when other sensors won’t work due to bin vibration, or

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