Cannon CT-1000 Manual
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Cannon CT-1000 Manual

Constant temperature bath
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1
Overview ............................................................................................................................ 1
Safety features .................................................................................................................... 3
Operator Safety ................................................................................................................. 3
2
Unpacking the CT-1000 ..................................................................................................... 5
Assembly procedure ........................................................................................................... 5
Glass jar installation ........................................................................................................... 6
Motor-stirrer ........................................................................................................... 8
Inserting viscometer tubes/thermometers ........................................................................... 9
Filling the bath .................................................................................................................. 10
Draining the Bath .............................................................................................................. 11
3
Turning on the CT-1000 ................................................................................................... 13
Setting the bath temperature ............................................................................................. 14
Fixed temperature adjustments ............................................................................. 14
Variable temperature adjustments ......................................................................... 14
Setting the Limit Control .................................................................................................. 15
A
B
Shaft run-out correction .................................................................................................... 19
C
D
APPENDIX D - ADJUSTING TRIMPOTS (POTENTIOMETERS)
APPENDIX E - CT-1000 SPARE PARTS LIST
E
CANNON
CT-1000 Constant Temperature Bath
®
Revision 3.1a-February, 1998; CANNON
P.O . Box 16 • State College, PA • USA
CONTENTS
1
5
13
®
Instrument Company
i
17
19
21
23
25

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  • Page 1: Table Of Contents

    APPENDIX B — CORRECTING SHAFT & IMPELLER MISALIGNMENT Shaft run-out correction ....................19 APPENDIX C — CHOOSING A TEMPERATURE BATH LIQUID APPENDIX D — ADJUSTING TRIMPOTS (POTENTIOMETERS) APPENDIX E — CT-1000 SPARE PARTS LIST CANNON CT-1000 Constant Temperature Bath ®...
  • Page 2 ASTM D 445 — CHECKING THE ICE POINT ............. 29 NBS MONOGRAPH 150: REPAIRING SEPARATED MERCURY COLUMNS ..31 WARRANTY/RETURN INFORMATION Products limited warranty ....................33 Reagent and chemical warranty ..................33 Returning a product to CANNON ® .................. 34 CANNON CT-1000 Constant Temperature Bath ®...

  • Page 3: Introduction

    Temperature range The CANNON ® CT-1000 will maintain temperatures of 20°C to 100°C within 0.01°C and temperatures of 101°C to 150°C within 0.03°C. Manual/video This manual is intended to provide information on the installation, charac- teristics and operation of the CANNON ®...
  • Page 4 ) l e s t t t l o ) l e s t t CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...

  • Page 5: Safety Features

    Keep all connections as neat as possible. If the CT-1000 will not be used for an extended period of time, unplug the power cord from the wall outlet. To disconnect the power cord, pull it out by the plug.
  • Page 6 This page intentionally left blank. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...

  • Page 7: Unpacking And Assembly

    UNPACKING AND ASSEMBLY This chapter of the manual provides assistance in unpacking and assem- bling the CT-1000 Constant Temperature Bath. For additional assistance, consult the instructional video. Unpacking the CT-1000 The CANNON ® CT-1000 Constant Temperature Bath is shipped in two...

  • Page 8: Glass Jar Installation

    2. Make sure the rubber support ring is seated properly around the bottom jar opening in the Figure 6: Checking support ring bath unit (see Figure 6). CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company...
  • Page 9 9. Replace the front top cover. Line up the four holes, then insert and tighten the screws. 10. To ensure that the gasket forms a tight seal with the top covers of the bath, proceed as follows: CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ®...

  • Page 10: Motor-Stirrer

    To keep from accidentally bending the motor shaft, do not hold the motor assembly by the shaft. Use care when inserting the motor shaft and impeller to prevent damage to delicate components. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ®...

  • Page 11: Inserting Viscometer Tubes/Thermometers

    This should be done before filling the bath with fluid. Inserting viscometer tubes/thermometers The top cover of the CT-1000 contains seven apertures, 51 mm (2”) in diameter, for the insertion of viscometer tube holders. Two additional holes are provided for insertion of thermometers.

  • Page 12: Filling The Bath

    Different bath fluids expand at different rates. Do not overfill the bath! WARNING Monitor the level of bath liquid closely when operating the CT-1000 at higher temperatures (100-150°C). The bath liquid will expand as the temperature increases. The CT-1000 bath jar is not designed to contain liquid under pressure.

  • Page 13: Draining The Bath

    WARNING Always use a rubber bulb or similar device to apply suction to a tube containing bath liquids. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ®...
  • Page 14 This page intentionally left blank. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...

  • Page 15: Bath Operation

    NOTE The various functions controlling the bath are printed at the bottom of the front panel of the CT-1000. These functions, reading from left to right, are: 1) Power, 2) Temperature, 3) Temperature Adjust, 4) Preheat, and 5) Limit Control. In this manual the five functions are printed in boldface upper- and lowercase letters (to match their typeface on the panel).

  • Page 16: Setting The Bath Temperature

    1. Choose a temperature using the Temperature SELECT switch. NOTE The Preheat switch activates an auxiliary heater for the CT-1000. You may turn it ON to heat up the bath more rapidly. You should turn the Preheat switch OFF when the desired temperature is reached if the operational temperature is under 120°C.

  • Page 17: Setting The Limit Control

    The Preheat switch activates an auxiliary heater for the CT-1000. You may turn it ON to heat up the bath more rapidly. You should turn the Preheat switch OFF when the desired temperature is reached if the operational temperature is under 120°C. For bath temperatures in excess of 120°C, the Preheat switch must remain ON to maintain temperature control.
  • Page 18 This page intentionally left blank. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...

  • Page 19: Appendix A - Ct-1000 Problem Analysis

    APPENDIX A — CT-1000 PROBLEM ANALYSIS Problem Probable Cause Bath does not appear to • Power cable not connected to outlet or rear of electrical drawer. • Over-temperature control set too low. have power. • Power out on mains. • Separate switch for LIGHT must be on.
  • Page 20 This page intentionally left blank. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...

  • Page 21: Appendix B - Correcting Shaft & Impeller Misalignment

    NOTE See the instructional video on the CT-1000 for a detailed description of the procedure described below. Set Screw Alignment The motor shaft contains a flat area. The coupling should be oriented in such a way that the set screw is aligned with the flat.
  • Page 22 When the crayon makes a line at least two-thirds of the way around the shaft, the run-out has diminished to an acceptable level. A uniform line completely around the shaft would indicate no run-out detectable by this procedure. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ®...

  • Page 23: Appendix C - Choosing Atemperature Bath Liquid

    The only reason for using it is that there seems to be no reasonable substitute. There are some very expensive halogen-based fluids which might be considered, but these also have a high volatility and may be somewhat toxic. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ®...
  • Page 24 The search for more suitable bath oils is unending. Hydrogenated veg- etable oils, coconut oil, synthetic oils, and certain chemical compounds have been used with some success at various temperatures. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ®...

  • Page 25: D Appendix D — Adjusting Trimpots (Potentiometers)

    LECT setting to be altered, it may not be possible to obtain settings for temperatures that are widely different from those on the Temperature SELECT dial. In this case, use the Temperature Adjust VARIABLE dial to obtain the desired temperature. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ®...
  • Page 26 This page intentionally left blank. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...
  • Page 27 APPENDIX E — CT-1000 SPARE PARTS LIST Following is a list of parts for the CT-1000 which may be reordered from CANNON ® Instrument Company. Part Number Description P20.1 PYREX JAR 12 X 12 P20.22 THERMOMETER HOLDER (RUBBER) P22.26 JAR TOP GASKET P22.39...
  • Page 28 This page intentionally left blank. CT-1000 Constant Temperature Bath ® CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...

  • Page 29: Appendix F-Thermometry

    Ideally, a high-quality standard platinum resistance thermometer with a precision bridge should be used to determine the temperature of the bath. Because many labora- tories cannot justify the cost of such a thermometer, CANNON ® Instru- ment Company recommends the use of a calibrated ASTM kinematic viscosity thermometer.

  • Page 30: Astm Thermometer Tables

    58.6 to 61.4°C 129C 9311-K88 91.6 to 94.4°C 121C 9311-K70 98.6 to 101.4°C 110C 9311-K50 133.6 to 136.4°C ® CT-1000 Constant Temperature Bath CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company P.O . Box 16 • State College, PA • USA...

  • Page 31: Astm D 445 - Checking The Ice Point

    To achieve an accuracy of ± 0.02°C for calibrated kinematic viscosity thermometers, a check at the ice point must be made. New thermometers should be checked monthly for the first six months, then once every six months ® CT-1000 Constant Temperature Bath CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company...
  • Page 32 Record and compare successive readings. If they are higher or lower than the readings from a previous calibration, readings at all other tem- peratures should be correspondingly increased or decreased. ® CT-1000 Constant Temperature Bath CANNON Revision 3.1a—February, 1998; CANNON ®...

  • Page 33: Nbs Monograph 150: Repairing Separated Mercury Columns

    Organic liquid procedures The procedure for thermometers containing organic liquids is similar. Separated liquid in the stem can be vaporized and permitted to drain down ® CT-1000 Constant Temperature Bath CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company...
  • Page 34 Viscosity standards should not be used to establish the correct tempera- ture of the bath, however. Bath temperature should be checked and corrected by applying the reliable thermometric techniques outlined above. ® CT-1000 Constant Temperature Bath CANNON Revision 3.1a—February, 1998; CANNON ® Instrument Company...

  • Page 35: Warranty/Return Information

    WARRANTY/RETURN INFORMATION Products limited warranty ® In addition to other manufacturers’ warranties, CANNON Instrument Company (“the Company”) warrants all products (other than reagents and chemicals) delivered to and retained by their original purchasers to be free from defect in material and workmanship for one year from the date of the Company’s invoice to the purchaser.

  • Page 36: Returning A Product To Cannon

    Shipping notification Products returned without prior notification (by either telephone or fax), or without Cannon’s authorization, will not be accepted. The customer may be billed a testing fee if a product is returned to ® CANNON and found to be working properly.

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