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LV860
Level Sensor
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LV860 LEVEL SENSOR
Please follow these installation, connection and adjustment instructions
carefully. Failure to comply with these instructions or misuse of this
equipment will void your warranty coverage.
Equipment installation, connection and adjustment by qualified
personnel only!
i
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LV860 LEVEL SENSOR
NOTES:
ii
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LV860 LEVEL SENSOR
1 - Description
Level Sensor LV860 is designed to monitor liquids, granules and powder.
It operates on the principle of electrical capacitance changes arising when an
electrode surrounded by air is immersed in the medium.
• Available either as a maximum or a minimum sensor.
• LED status indication
• Minimum switching
Normally the sensor is immersed and the LED indicates. As the level
drops below the sensor the LED extinguishes.
• Maximum switching
Normally the sensor is not immersed and the LED indicates. As the level
rises above the sensor the LED extinguishes.
• In the event of a short-circuit in the load circuit, the LED will extinguish.
• The LV860 in PTFE housing is suitable for foodstuffs and can be widely
used in the food processing industry.
1
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LV860 LEVEL SENSOR
2 - Technical Data
Medium temperature
-20°C to +130°C
-4°F to +266°F
Short-time
to +150°C
+302°F
Ambient temperature
Pressure resistance:
-20°C to +85°C
-4°F to +185°F
®
PTFE Teflon fitting
max. 2 bar (29.4 PSI)
Polyamide 12 fitting
max. 25 bar (367.5 PSI)
Response delay
approx. 1 s
Degree of protection
Input voltage
IP 65 (with mating connector)
DC 24 V 25%
- mark to demonstrate compliance with EC directive 89/336/EEC
(EMC directive)
2
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LV860 LEVEL SENSOR
3 - Level Sensor Installation
NOTE
The Level Sensor may be installed in any attitude.
1. Ensure sufficient clearance space (see fig. 1 and 2) in the container wall.
Installation STD (fig. 1):
• The screw joint comprises a sleeve, a spring and a slotted nut.
• The sleeve must be welded into the container wall.
2. Place the level sensor (without sealing compound) in the sleeve and
tighten the spring and slotted nut.
Installation G1A or 1" NPT (fig. 2):
• Ensure a type G1A or 1" NPT thread in the container wall has been provided.
2. When tightening the level sensor please use the flats provided (SW32).
CAUTION
Do not overtighten.
3
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LV860 LEVEL SENSOR
4 - Connection
CAUTION
Check that the supply voltage corresponds with the voltage rating
shown on the system.
1. Loosen the gland (PG9) (see fig. 1) and remove it together with clamping
piece and bushing.
2. Unscrew the female plug.
3. Feed the supply cable through the gland (PG9), the clamping piece, the
bushing and the female plug.
4. Connect the cable to the terminal block (see fig. 3).
5. Connect the supply voltage before adjusting the sensor.
6. Increase the level until the front side of the sensor probe is partly covered
by the medium.
4
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LV860 LEVEL SENSOR
7. Minimum sensor
• Turn the potentiometer screw clockwise until the LED extinguishes. Then
slowly turn counterclockwise (+) until the LED indicates.
Adjust the screw a further full turn clockwise (-) to compensate for any
tolerance.
8. Maximum sensor
• Turn the potentiometer screw clockwise until the LED indicates. Then
slowly turn counterclockwise (+) until the LED extinguishes.
Adjust the screw a further full turn counterclockwise (+) to compensate
for any tolerance.
9. Replace and tighten the female plug.
10. Replace the clamping piece and bushing in the female plug.
11. Tighten the cable gland nut (PG9).
The Level Sensor is now connected, adjusted and ready for operation.
5 - Operating Difficulties
Problem:
The level sensor fails to operate correctly.
Solution:
- Drop medium level below the sensor.
- Remove the level sensor.
- Clean the sensor probe carefully.
▼ The level sensor may be steam-cleaned.
5
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LV860 LEVEL SENSOR
NOTES:
6
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WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and
workmanship for a period of 13 months from date of purchase. OMEGA’s Warranty adds an
additional one (1) month grace period to the normal one (1) year product warranty to cover
handling and shipping time. This ensures that OMEGA’s customers receive maximum
coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer
Service Department will issue an Authorized Return (AR) number immediately upon phone or
written request. Upon examination by OMEGA, if the unit is found to be defective, it will be
repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting
from any action of the purchaser, including but not limited to mishandling, improper interfacing,
operation outside of design limits, improper repair, or unauthorized modification. This
WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence
of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibra-
tion; improper specification; misapplication; misuse or other operating conditions outside of
OMEGA’s control. Components which wear are not warranted, including but not limited to
contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability
for any damages that result from the use of its products in accordance with information
provided by OMEGA, either verbal or written. OMEGA warrants only that the parts
manufactured by it will be as specified and free of defects. OMEGA MAKES NO OTHER
WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESS OR
IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth
herein are exclusive, and the total liability of OMEGA with respect to this order, whether
based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall
not exceed the purchase price of the component upon which liability is based. In no event
shall OMEGA be liable for consequential, incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as
a “Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity;
or (2) in medical applications or used on humans. Should any Product(s) be used in or with any
nuclear installation or activity, medical application, used on humans, or misused in any way,
OMEGA assumes no responsibility as set forth in our basic WARRANTY/DISCLAIMER language,
and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability
or damage whatsoever arising out of the use of the Product(s) in such a manner.
RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.
BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN
AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT
(IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be
marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to
prevent breakage in transit.
FOR WARRANTY RETURNS, please have
the following information available BEFORE
contacting OMEGA:
1. Purchase Order number under which
the product was PURCHASED,
2. Model and serial number of the product
under warranty, and
FOR NON-WARRANTY REPAIRS, consult
OMEGA for current repair charges. Have the
following information available BEFORE
contacting OMEGA:
1. Purchase Order number to cover the COST
of the repair,
2. Model and serial number of the product, and
3. Repair instructions and/or specific
problems relative to the product.
3. Repair instructions and/or specific problems
relative to the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible.
This affords our customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2004 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without
the prior written consent of OMEGA ENGINEERING, INC.
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Process Measurement and Control?
OMEGA…Of Course!
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M3810/0104
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