Koehler K259 Series Guida
Operation and Instruction Manual
REV C
Koehler Instrument Company, Inc.
1595 Sycamore Avenue • Bohemia, New York 11716-1796 • USA
Toll Free: 1-800-878-9070 (US only) • Tel: +1 631 589 3800 • Fax: +1 631 589 3815
http://www.koehlerinstrument.com • e-mail: info@koehlerinstrument.com
Petroleum Testing & Analysis Instrumentation • Custom Design & Manufacturing
K259XX
Constant Temperature Water Bath
CERTIFICATE OF CONFORMANCE
Constant Temperature Hydrometer Bath
K259XX
This certificate verifies that part number K259XX, Constant Temperature
Hydrometer Bath, was manufactured in conformance with the applicable
standards set forth in this certification.
Specifications: ASTM D1657
GPA 2140
This unit is tested before it leaves the factory, to ensure total functionality
and compliance to the above specifications and ASTM standards. Test and
inspection records are on file for verification.
Jesse Kelly
Application Engineer
Koehler Instrument Company
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K259XX Constant Temperature Water Bath
Operation and Instruction Manual
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Operation and Instruction Manual
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WEEE Directive Compliance Statement
Background
The goal of the WEEE Directive is to encourage design of environment-friendly products that increase reuse, recycling
and other forms of recovery to reduce waste streams and applies to listed Electronic and Electrical Equipment (EEE)
and Koehler's equipment falls broadly into Appendix 1A; Section 9 Monitoring and Control Equipment: Measuring,
weighing or adjusting appliances for household or as laboratory equipment.
Any associated non-embedded equipment such as Lighting (Saybolt Color) and PCs/Printers also fall under WEEE. If
provided with an order these ancillary items must be WEEE compliant. For these and other reasons (printer
cartridges are regionalized) the equipment must be supplied through a third party supplier in Europe.
The WEEE Directive applies to electrical and electronic equipment falling under the categories set out in Annex IA
provided that the equipment concerned is not part of another type of equipment that does not fall within the scope of
this Directive. Annex IB contains a list of products which fall under the categories set out in Annex IA.
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2003:037:0024:0038:en:PDF
We do not qualify for any of the 10 exemption categories.
http://www.dpa-system.dk/en/WEEE/Products/Exemptions
Professional use
For equipment defined for ’professional use’ local authorities have no role to play. Producers and importers are
basically responsible for collection of WEEE recyclables from the professional user and for subsequent management.
A separate statement is given cataloging the items that require separation from the equipment along with basic
information on subsequent processing or recycling prior to disposal of the equipment.
http://www.dpa-system.dk/en/WEEE/Products/Private-or-professional-use
Responsibility for Registration and Annual Reporting:
Koehler will not sell directly to end users in the EU and so has no responsibility to register within each EU state and to
make annual reports. Koehler declares that this responsibility is born by the importer who is the first level of the
distribution chain and is subject to producer responsibility. We will communicate this in writing to our
distributor/importers in the EU stating they are responsible to satisfy WEEE registration and reporting requirements in
the EU states where they conduct sales activities.
It is illegal to market electrical and electronic equipment covered by producer responsibility without being registered.
http://www.dpa-system.dk/en/WEEE/Producers/Whoissubjecttoproducerresponsibility
Product Design
Koehler's designs allow for complete disassembly to a modular level which usually allows for standard recycling. A
qualified refrigeration system technician must be consulted when disassembling and de-commissioning any
equipment with refrigeration systems.
Koehler's scientific testing equipment is robustly designed to function over a long service life and are typically repaired
many times over the course of years rather than being replaced. We believe that re-use and refurbishment is the very
best form of re-cycling.
All batteries must be readily removable not soldered in place.
Recycling instructions
In the event that replacement becomes necessary, we will include instructions, particularized to each instrument that
informs the customer of their recycling responsibilities and giving them guidance in doing this. All Koehler equipment
has been placed on the market since 13th August 2005 and so Koehler is defined as a "new WEEE producer". As
such we must provide information on refurbishment, treatment, and re-use.
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Operation and Instruction Manual
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Our instrument manual will include this compliance statement and indicate that any collection of materials will be
handled by their authorized distributor. In the event that the distributor is unreachable or is no longer a distributor for
Koehler Instrument, Co., other arrangements may be made including accepting the materials directly.
Recycling is free of charge. Shipping is the responsibility of the end users. Whether shipping to a distributor or to
Koehler directly, safe, properly declared, and labeled packaging and shipping expenses are the sole responsibility of
the end user.
WEEE Marking
Since Koehler products are subject to the WEEE Directive we must display the WEEE symbol shown above in
accordance with European Standard EN 50419 on the equipment. It must be indelible, at least 5mm in height, and
clearly legible. If the equipment is too small the mark must be in the product literature, guarantee certificate, or on the
packaging. Rules on marking are established in section 49 of the WEEE Order.
Koehler Instrument Company, Inc.
c/o RECYCLING
1595 Sycamore, Ave.
Bohemia, NY 11716
As a minimum the following substances, preparations and components have to be removed from any separately
collected WEEE:
- Mercury containing components, such as switches or backlighting lamps (compact fluorescent lamps, CFL),
- Batteries
- Printed circuit boards if the surface of the printed circuit board is greater than 10 square centimeters (about 4 sq in.),
- Toner cartridges, liquid and pasty, as well as color toner,
- Chlorofluorocarbons (CFC), hydrochlorofluorocarbons (HCFC) or hydrofluorocarbons (HFC), hydrocarbons (HC)
- Liquid crystal displays (together with their casing where appropriate) of a surface greater than 100 square
centimeters and all those back-lighted with gas discharge lamps,
- External electric cables
- Components containing refractory ceramic fibers as described in Commission Directive 97/69/EC of 5 December
1997 adapting to technical progress Council Directive 67/548/EEC relating to the classification, packaging and
labeling of dangerous substances (2),
- Electrolyte capacitors containing substances of concern (height > 25 mm, diameter > 25 mm or proportionately
similar volume)
2. The following components of WEEE that is separately collected have to be treated as indicated:
- Equipment containing gases that are ozone depleting or have a global warming potential (GWP) above 15, such as
those contained in foams and refrigeration circuits: the gases must be properly extracted and properly treated. Ozone-
depleting gases must be treated in accordance with Regulation (EC) No 2037/2000 of the European Parliament and of
the Council of 29 June 2000 on substances that deplete the ozone layer (4).
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Operation and Instruction Manual
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Table of Contents
1Introduction......................................................................................................................6
1.1 Koehler’s Commitment to Our Customers .................................................................................................6
1.2 Recommended Resources and Publications.............................................................................................6
2Safety Information and Warnings...................................................................................7
3Getting Started.................................................................................................................7
3.1 Packing List................................................................................................................................................7
3.2 Unpacking ..................................................................................................................................................7
3.3 Setup..........................................................................................................................................................8
4Descriptions .....................................................................................................................9
4.1 Instrument Descriptions..............................................................................................................................9
4.2Temperature Controller Operation ...........................................................................................................11
5Operation........................................................................................................................12
6Maintenance ...................................................................................................................12
6.1 Routine Maintenance ...............................................................................................................................12
6.2 Replacement Parts...................................................................................................................................12
7Wiring Diagrams.............................................................................................................13
7.1 K25900 115V............................................................................................................................................13
7.2 K25995 230V 50Hz..................................................................................................................................14
7.3 K25990 230V 60Hz..................................................................................................................................15
8Service ............................................................................................................................16
9Storage............................................................................................................................16
10 Warranty..........................................................................................................................16
11 Returned Goods Policy..................................................................................................16
Notes ....................................................................................................................................17
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Operation and Instruction Manual
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1 Introduction
The K259XX Constant Temperature Bath is
mechanically refrigerated to provide sub-ambient
temperature measurements using a pressure
hydrometer cylinder. The water bath is capable of
immersing two pressure hydrometer cylinders at
60°F (15°C) for density and relative density
determinations of LPG and other light hydrocarbons.
This manual provides important information
regarding safety, technical reference, installation
requirements, operating condition specifications,
user facility resource requirements, and operating
instructions for the K259XX Constant Temperature
Water Bath. This manual should also be used in
conjunction with applicable published laboratory
procedures. Information on these procedures is
given in section 1.2.
1.1 Koehler’s Commitment to Our
Customers
Providing quality testing instrumentation and
technical support services for research and testing
laboratories has been our specialty for more than 50
years. At Koehler, the primary focus of our business
is providing you with the full support of your
laboratory testing needs. Our products are backed
by our staff of technically knowledgeable, trained
specialists who are experienced in both petroleum
products testing and instrument service to better
understand your requirements and provide you with
the best solutions. You can depend on Koehler for a
full range of accurate and reliable instrumentation as
well as support for your laboratory testing programs.
Please do not hesitate to contact us at any time with
your inquiries about equipment, tests, or technical
support.
1.2 Recommended Resources and
Publications
1. American Society for Testing and Materials
(ASTM)
100 Barr Harbor Drive
West Conshohocken, Pennsylvania 19428-2959,
USA
Tel: +1 610 832 9500 • Fax: +1 610 832 9555
http://www.astm.org • email: service@astm.org
ASTM Publication:
ASTM D1657: Density or Relative Density of
Light Hydrocarbons by Pressure Hydrometer
2. Institute of Petroleum (IP)
61 New Cavendish Street
London, WIM 8AR, United Kingdom
Tel: 44 (0)20 7467 7100
Fax: 44 (0)20 7255 1472
http://www.energyinstpubs.org.uk
email: ip@petroleum.co.uk
IP Publication:
IP 235: Determination of density of light
hydrocarbons - Pressure hydrometer
method
3. International Organization for Standardization
(ISO)
1, rue de Varembé
Case postale 56
CH-1211 Geneva 20, Switzerland
Tel: 41 22 749 01 11
Fax: 41 22 733 34 30
http://www.iso.org
ISO Publication:
ISO 3993: Liquefied Petroleum Gas and
Light Hydrocarbons - Determination of
Density or Relative Density - Pressure
Hydrometer Method
1.3 Specifications
Model:
K25900
K25990
K25995
Electrical
Requirements:
115V, 60Hz, 12.5 A
220-240V, 60Hz, 6.4 A
220-240V, 50Hz, 6.4 A
Electrical
Requirements of
Mechanical
Chiller:
120 V 60Hz, 5A
240V 50Hz, 2.5A
Testing Capacity:
Two (2) Pressure
Hydrometer Cylinders
Temperature of
Mechanical
Chiller:
Fixed at -25°C
Cooling
Capacity:
Watts @ -20°C
0°C
20°C
100
275
656
Temp Uniformity:
±0.5°F (±0.2°C)
Bath Medium:
50/50 Mix of Water and
Ethylene Glycol
Compressor HP
1/3 HP
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