Honeywell LLE Series Manual de usuario

Installation instructions for LLE Series

Liquid level sensors

Sensing and Control

PK XP-4059

Issue 1

WARNING

PERSONAL INJURY

• DO NOT USE these products as safety or emer-

gency stop devices, or in any other application

where failure of the product could result in personal

injury.

Failure to comply with these instructions could

result in death or serious injury.

General description

The LLE Series liquid level sensor provides a single point

detection via a TTL compatible output. When liquid is

present on the surface of the sensor the output sinks up

to a maximum of 10 mA.

LED and phototransistor chips are sealed into the base of

the plastic dome, in such a position that light is totally

internally reflected from the dome boundary to the

phototransistor. Thus the output is normally high. When

liquid covers the dome, the change in refractive index at

the boundary means light escapes into the liquid, so less

light reaches the phototransistor which thus causes the

output to switch low.

Cleaning

Proper fluids should be selected based on type of

contaminant to be removed. Honeywell recommends

freon and alcohol based solvents. Do not use chlorinated

solvents such as trichlorethane as these are likely to

attack the sensor material.

Liquid media compatibility

Before use check that the fluid in which you wish to use

these devices is compatible with polysulphone.

Electrical specifications

Supply voltage (Vcc)

-25 °C to 80 °C (-13 °F to 176 °F) 5 V ± 5 %

LED (Vf) @ 25 °C (77 °F) 1.2 V @ 10 mA typ.

Supply current @ 25 °C (77 °F) 15 mA nominal

Output sink current (Io)

@ 25 °C (77 °F) 10 mA max.

@ 80 °C (176 °F) 3 mA max.

Operating temperature -25 °C to 80 °C

-13 °F to 176 °F

Storage temperature -30 °C to 85 °C

-22 °F to 185 °F

Electrical diagram

Vcc

RED

OUTPUT

GREEN

SCHMITT

TRIGGER

PHOTO

TRANSISTOR

0 V

BLUE

IRED

VOLTAGE

REGULATOR

CAUTION

•Do not exceed maximum supply voltage.

•Although the sensor is protected against supply

reversal, it is not recommended.

•Do not overtighten screw-in type.

•Do not use chlorinated solvents.

•Do not mount with dome pointing downwards.

Failure to comply with these instructions may result

in product damage.

WARRANTY/REMEDY

Honeywell warrants goods of its manufacture as being

free of defective materials and faulty workmanship.

Contact your local sales office for warranty information. If

warranted goods are returned to Honeywell during the

period of coverage, Honeywell will repair or replace

without charge those items it finds defective. The forego-

ing is Buyer’s sole remedy and is in lieu of all other

warranties, expressed or implied, including those of

merchantability and fitness for a particular purpose.

1-800-537-6945 USA +49 (0) 69 8064 444 Germany FAX: 1-815-235-6545 USA

1-800-737-3360 Canada +44 (0) 118 906 2600 UK [email protected]

1-815-235-6847 International +33 (0) 1 60 19 82 68 France

Sensing and Control

www.honeywell.com/sensing

Honeywell Control Systems Ltd

Newhouse Industrial Estate

Motherwell, Lanarkshire ML1 5SB

Scotland, UK

PK XP-4059 Issue 1 UK07 GLO 10/01 Printed in UK on environmentally friendly paper

Specifications may change without notice. The informa-

tion we supply is believed to be accurate and reliable as

of this printing. However, we assume no responsibility for

its use.

While we provide application assistance personally,

through our literature and the Honeywell web site, it is up

to the customer to determine the suitability of the product

in the application.

19,00

(0.75)

22,49

(0.89)

19,40

(0.76)

12,45

(0.49)

4,70

(0.19)

M12 x 1 - 8 g

0,22 mm

Tinned Ends

(0.01 in )

Ø10,00

+0,10

-0

4,1

(0.16)

13,0

(0.51)

2,3

(0.09)

16,12

(0.63)

0,22 mm

Tinned Ends

(0.01 in )

+0.004

-0

(0.39 )

Notes

1 Recommended panel hole size Ø12,5

±0.3 mm (0.49 ±0.01 in)

2‘O’ring seal supplied unassembled

Mounting dimensions in mm (inches) for reference only

LLE102000 (Type 2)

LLE105000 (Type 5) Mounting

Type 2

Thread M12x1x8 g

Tightening torque 1,5 Nm/13.26 in lb max.

Pressure 5 bar max.

(using washer supplied)

Type 5

Mounting hole 10 mm

LLE Series

Issue 1 PK XP-4059

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