Ametek BROOKFIELD CT3 Скачать руководство пользователя страница 59

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AMETEK Brookfield

Page 59

Manual No. M08-372-F1116

Appendix B - Troubleshooting

If no power to the instrument:

Check:

• User replaceable fuses: two (2) fuses, 4 amp, 5 x 20 mm, time-lag located behind removable

red color panel just above switch.

• Fuses located within power entry module on the rear of the instrument.

• If the fuses blow continually, serious damage to the instrument could result. Contact repair

services immediately.

Probe won’t attach:

• Check the thread on probe and probe shaft - remove any dirt.

Rotary Base table won’t move:

• Ensure the locking knob is loose.

• Ensure the fine adjust nut is loose.

Rotary Base table will not travel to the lowest position:

• Loosen the fine adjust nut and rotate base table.

• Locate the table in center of T-slot.

Instrument is unsteady:

• Ensure that the bench top is stable.

• Adjust the CT3 feet.

Probe doesn’t move when start is pressed:

• Ensure the emergency stop button is not pressed in (rotate clockwise).

• Ensure the test mode is not in Static Load.

• Ensure the probe is not in contact with sample (or base table).

Display shows “REMOTE OPERATION”

• This will always show when the computer interface cable is connected to the CT3. To use

the CT3 without the computer program, the serial cable must be disconnected.

Содержание BROOKFIELD CT3

Страница 1: ...DIVISION 11 Commerce Boulevard Middleboro MA 02302 USA Tel 508 946 6200 or 800 628 8139 USA excluding MA Fax 508 946 6262 Internet http www brookfieldengineering com CT3 TEXTURE ANALYZER Operating In...

Страница 2: ......

Страница 3: ...ting Menu 15 III 7 Running A Test 17 NORMAL Test 18 HOLD TIME Test 19 CYCLE COUNT Test 20 BLOOM Test 21 TPA Test 22 TENSION Test 23 TARGET HOLD TO LOAD Test 24 SURIMI Test 28 III 8 Global Parameters 2...

Страница 4: ...cterstics of Biscuits Cookies 41 V 3 Review of Solid Chocolate at Ambient Temperature 43 Appendix A Probes Fixtures Calibration Accessories and Gelatin Accessories 46 A 1 Probes 46 A 2 Fixtures 50 A 3...

Страница 5: ...n tension using grips The resistance of the material to these forces is measured by a calibrated load cell and shown in either grams or Newtons These forces are a function of the properties of the sam...

Страница 6: ...s the SI system of units for all parameters Parameter Unit Abbreviation Load Grams or Newtons g or N Deformation Millimeter mm Time Seconds s Speed Millimeter per second mm s Work MilliJoules mJ I 4 S...

Страница 7: ...speed using the Select Scroll knob can be switched between 0 1mm s and 1 0mm s by depressing Reset Stop button Temperature 20 C to 120 C Requires optional probe DVP 94Y Output RS232 Compatible Serial...

Страница 8: ...within the appropriate range as shown on the model and serial tag of the instrument located on the back of the CT3 The CT3 Texture Analyzer must be earth grounded to ensure against electronic failure...

Страница 9: ...nment In case of emergency turn off the instrument and then disconnect the electrical cord from the wall outlet The user should ensure that the substances placed under test do not release poisonous to...

Страница 10: ...f descent SELECT SCROLL see section III 6 This knob has multiple functions 1 The knob is pressed to select the option currently highlighted 2 The knob is rotated to change the value of the parameter b...

Страница 11: ...P N DVP 94Y 4 Power Entry Module ON OFF switch fused see I 2 Utilities Voltage 90 265 VAC I 8 Cleaning Instrument and Keypad Clean with a dry nonabrasive cloth Do not use solvents or cleaners Probes...

Страница 12: ...elected probe See Section IV 2 for more information 4 SetthetestmodetoNormal PleasereviewSectionIII 6fordetailedexplanationofoperation of Select Scroll knob 5 Set the trigger value as recommended belo...

Страница 13: ...on load cell Be sure to place only the sample for test under the probe Keep body parts and clothing away from the probe during the test The CT3 Texture Analyzer uses controlled forces to evaluate a m...

Страница 14: ...very test Fixture Base Table TA BT KIT Fixture Base Table TA RT KIT FIne Adjustment Knob Locking Knob Figure III 2 See Appendix A for fixtures which can be used with each Base Table Rotary Base Table...

Страница 15: ...lt Choice of a probe must be made with consideration toward the purpose of the test and the nature of the sample The probes may be cleaned while attached to the CT3 Follow recommendations in Section I...

Страница 16: ...are fixed according to industry standard TPA Test Requires trigger deformation speed Tension Test Requires trigger deformation speed Hold to Load Test Requires trigger target load speed Static Load Te...

Страница 17: ...to get to the tenths digit and depress it again to leave the value at 0 A data entry of zero in all columns for any parameter will result in that parameter being reset to the previous value Pressing...

Страница 18: ...button or reset button is pressed The reset button will return the instrument to the default display where the test mode may be selected The start button will begin the same test again A test may be r...

Страница 19: ...TEMP XXX X F Figure III 8 Peak load is reported as the maximum measured load during the test Deformationatpeakisthedistancetowhichthesamplewascompressedwhenthepeakloadoccurred Work is defined as the...

Страница 20: ...value target deformation and test speed using the Hold Time menu screen TEST HOLD TIME XXXX S TRIGGER XXX X g DEFORMATION XXX X mm SPEED XX X mm S Figure III 10 A hold time test performs a single com...

Страница 21: ...menu screen TEST CYCLE COUNT XXXX TRIGGER XXX X g DEFORMATION XXX X mm SPEED XX X mm s Figure III 13 When the operator depresses the start button the cycle count test performs multiple compressions on...

Страница 22: ...ormation of 4mm During the test the running screen is seen as shown below TEST BLOOM DEFORMATION XXX X mm LOAD XXXX X g Figure III 17 Both Deformation and Load displays are live during the test The pr...

Страница 23: ...X mm ADHESION XXXX X mJ TEMP XXX X F Figure III 21 Hardness1 is the peak load of the first compression cycle Hardness2 is the peak load of the second compression cycle Cohesiveness is the ratio of A2...

Страница 24: ...clamped Rotate knob to move 1mm click or hold knob down to descend at 4 5mm s ADJUST POSITION USING SCROLL SELECT PRESS START DEFORMATION XXX X mm Figure III 24 The deformation value shown in this scr...

Страница 25: ...nput a Hold Time The time is entered as whole seconds the HOLD TIME field length is four digits long Trigger force and Target Load entries conform to the load cell type of the instrument as shown in F...

Страница 26: ...ry The cursor will reposition over the right most digit of the speed data field The speed field will retain its previous value unlike Hold Time Trigger Load and Target Load Rotating the Select Knob wi...

Страница 27: ...TRIGGER load will override the PRE SPEED setting for the probe with a default speed of 4 5 mm sec known as jogging The DISTANCE remains at 0 0 until the TRIGGER load value is reached when the probe ma...

Страница 28: ...Knob returns the display to the RUN screen Activating the EMERGENCY STOP knob will terminate the test and return the probe to the HOME position Pressing the STOP button will also abort the test retra...

Страница 29: ...o the HOME starting position NOTE This test is only available in CT3 instruments with load cells up to 4500g and firmware version 2 0 or higher The operator may set the trigger value correction value...

Страница 30: ...ewtons After Autozero during startup rotate the Select Knob to reach the GLOBAL PARAMS screen then press the Select Knob to access the data entry function There are some parameters that affect every t...

Страница 31: ...tests III 9 1 NORMAL mode pre positioning The pre positioning screen is displayed after theATTACH PROBE screen The probe can be moved downwards or upwards by rotating the Select Knob Pressing the Sele...

Страница 32: ...the STOP button at this time will display the setup screen This places the CT3 back at the NORMAL setup mode The probe will return to the HOME position The various setup parameters can be modified an...

Страница 33: ...creen This places the CT3 back at the CYCLE COUNT setup mode The probe will return to the HOME position The various setup parameters can be modified Pressing START will begin the full test run complet...

Страница 34: ...software CD After installing this software into a computer you can add up to 10 additional test programs to the CT3 menu based upon any one of the test methods described above For example suppose you...

Страница 35: ...The Hanger is part of the calibrated weight set and it has a calibrated weight value This weight must be included as part of the total weight applied to the load cell Attach the desired weight to the...

Страница 36: ...Load Cell Capacity 4500 1 2 3 4 5 Load Cell Accuracy Mass 999 84 994 04 993 96 994 05 497 12 22 5g Serial 59 87 92 106 153 Weight 1 999 84 1 2 1993 88 1 2 3 2987 84 1 2 3 4 3981 89 1 5 4479 00 INSTRUC...

Страница 37: ...le a material that has a flat surface offers a consistent interface with the probe even if the material is not centered in the test fixture If your test sample is uneven part of the test method could...

Страница 38: ...res The Trigger Point establishes the minimum load required to begin the test This is how the CT3 knows when the probe is touching the sample This parameter should be set to a low value for a material...

Страница 39: ...an ideal method for the assessment of yogurts and other gelled semi solidfoods Thiscompressionextrusiontestconsistsofapplying a force to the product until it flows through the space between the probe...

Страница 40: ...o characterized by the failure to form sample fracture and the absence of peaks within the curve Thefat freesamplehasamuchsteeperinitialgradientandsubsequentlyhigher values for all measured parameters...

Страница 41: ...r more bound consistency of the product EMPIRICAL Test conditions which will affect results generated FACTORS 1 Sample size 2 Sample age 3 Sample temperature 4 Base and edge effects 5 Sample container...

Страница 42: ...testalingofproductlife bakecharacteristicsthroughquantification of hardness at different points within the biscuits circumference or any other application specific to your organization CT3 SETTINGS MO...

Страница 43: ...variations in formulation composition and process conditions imposed Please note that if inclusions such as chocolate chips or oats are in the biscuit they will contribute directly to result fluctuati...

Страница 44: ...SPEED 0 1 mm s DISTANCE 2 4 or 6 mm PROBE REF Stainless steel needle probe 10 Taper Ref TA9 Confectionery holding rig TA CJ METHOD Samples were removed from wrappers and broken into individual chunks...

Страница 45: ...fferentiation CONCLUSIONS This empirical procedure generates key information related to chocolate hardness and consistency while additional information relating to adhesion is also acquired Adhesion f...

Страница 46: ...8mm cylinder TA25 1000 0 33mm cutting wire TA53 2mm rod TA39 38 1mm cylinder TA4 1000 6mm cylindrical TA41 25 4mm ball TA43 4mm cylinder TA44 and TA PCC TA P KIT3 CURD PROBE KIT Includes the followin...

Страница 47: ...ROBE Black Delrin 20mm Long TA36 7mm DIAMETER CYLINDER PROBE Stainless Steel 35mm Long TA39 2mm DIAMETER ROD PROBE Stainless Steel 5g 20mm Long Flat End Margarine TA40 4 5mm DIAMETER ROD PROBE Stainle...

Страница 48: ...Diameter TA29 15 CONE PROBE Stainless Steel 8mm Diameter TA32 100 90 CONE PROBE Clear Acrylic 30mm Diameter Low mass for CT3100 TA32 1000 90 CONE PROBE Clear Acrylic 30mm Diameter TA PCC PROBE CARRYIN...

Страница 49: ...lar samples up to 5mm thick Each grip clamps from both sides of sample with two opposing thumbscrews for precise alignment Includes one pair of T Bolts for mounting to base Base table kits are NOT USE...

Страница 50: ...IG This fixture is used for holding smal samples for a puncture test Good for Jelly beans gum drops etc Requires Rotary Base Table TA RT KIT TA BEC BACK EXTRUSION CELL The Back Extrusion Cell is used...

Страница 51: ...ure Table Base TA BT KIT TA BLS BILAYER SHEAR TEST FIXTURE This fixture uses a guillotine blade to separate a bilayer tablet while measuring shear strength Requires Fixture Base Table TA BT KIT TA BPS...

Страница 52: ...of 8mm 6mm 4mm 2mm and one blank Requires Fixture Base Table TA BT KIT TA DGF DUAL GRIP FIXTURE These are multipurpose general jigs for tensile type testing The fixtures utilize a universal fitting e...

Страница 53: ...ires Fixture Base Table TA BT KIT TA KSC KRAMER SHEAR CELL The Kramer Shear Cell follows principles of the Allo Kramer Shear Press Test cell 53mm X 57mm X 56mm has clear Perspex front for viewing test...

Страница 54: ...to evaluate noodle quality Requires Fixture Base Table TA BT KIT TA OC OTTAWA CELL The Ottawa cell follows principles of the Ottawa Test Measurement System OTMS Test cell 45mm X 45mm X 55mm has clear...

Страница 55: ...ient of friction for packaging materials according to ASTM D1894 Requires Fixture Base Table TA BT KIT TA STF SPREAD TEST FIXTURE This fixture quantifies the force to spread a material on a surface Th...

Страница 56: ...item generating an indication of sample toughness or fibrousness Consisting of both upper and lower jaws the compressive movement of the travelling beam imitates the human biting action Requires Fixtu...

Страница 57: ...traceable to NIST standards TA CW 10KGC CALIBRATION WEIGHT SET 10kg WITH CASE CERTIFICATE Set of weights total mass 10kg to be used to check calibration of the 10kg CT3 Texture Analyzer Includes verif...

Страница 58: ...TC 351 to one TC 450MX bath set to 10 C Second TC 450MX bath is set to 60 C providing rapid transfer between the thermal environments necessary for conditioning gelatin for Bloom testing Each bath has...

Страница 59: ...won t move Ensure the locking knob is loose Ensure the fine adjust nut is loose Rotary Base table will not travel to the lowest position Loosen the fine adjust nut and rotate base table Locate the ta...

Страница 60: ...in the CT3 labeled 0 9 All memory slots containing tests will appear in sequence as the SELECT SCROLL knob is rotated Memory slots can later be hidden by erasing a test using the Erase Test button whe...

Страница 61: ...o change a parameter in a test that has been downloaded to the CT3 you can make the change and download the test to the same memory slot in the CT3 This will overwrite the initial program Target Hold...

Страница 62: ...8 Stop Bits 1 Parity None Handshake None 2 3 4 5 6 7 8 9 1 No Connection Transmit Data TxD Receive Cable Sensing Cable Sensing Serial Ground No Connection No Connection No Connection Data RxD Pins 4...

Страница 63: ...to copyright restrictions these articles cannot be emailed Please request your hardcopy of articles by calling our customer service department directly or by emailing marketing brookfieldengineering c...

Страница 64: ...repair or service outside the United States consult AMETEK Brookfield or the dealer from whom you purchased the instrument For repair or service in the United Kingdom return to AMETEK GB Limited Brook...

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