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PARALLEL TUBE
LIQUID BATH
MODEL 915
User Maintenance Manual/Handbook
Isothermal Technology Limited, Pine Grove, Southport, PR9 9AG, England
Tel: +44 (0)1704 543830 Fax: +44 (0)1704 544799 Internet: www.isotech.co.uk E-mail: info@isotech.co.uk
The company is always willing to give technical advice and assistance where appropriate. Equally, because of the programme of continual
development and improvement we reserve the right to amend or alter characteristics and design without prior notice. This publication is for
information only
Page 1 of 24
Parallel Tube Liquid Bath model 915 Iss.07– 09/13
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Summary of Contents for Isotech 915
- Page 1 Isothermal Technology Limited, Pine Grove, Southport, PR9 9AG, England Tel: +44 (0)1704 543830 Fax: +44 (0)1704 544799 Internet: www.isotech.co.uk E-mail: info@isotech.co.uk The company is always willing to give technical advice and assistance where appropriate. Equally, because of the programme of continual development and improvement we reserve the right to amend or alter characteristics and design without prior notice.
- Page 2 CAL NOTEPAD ....................................21 DEVELOPMENT ..................................21 HOW TO INSTALL CAL NOTEPAD ............................22 PROTOCOL ....................................22 EXPLODED VIEW OF CALIBRATION TUBE COVER (915/05) ....................23 ACCESSORIES ....................................24 Page 2 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13...
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Page 3: Guarantee
INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE RECOMMENDATION The life of your ISOTECH Instrument will be prolonged if regular maintenance and cleaning to remove general dust and debris is carried out. ISOTHERMAL TECHNOLOGY LTD. -
Page 4: Cautionary Note
MANAGEMENT OF APPARATUS WHICH MAY BE POWERED OR UNDER EXTREMES OF TEMPERATURE, AND ARE ABLE TO APPRECIATE THE HAZARDS WHICH MAY BE ASSOCIATED WITH, AND THE PRECAUTIONS TO BE TAKEN WITH, SUCH EQUIPMENT. Page 4 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 5: Emc Information
The blue conductor should be connected to Neutral and the Brown conductor to Live (Line). Warning: Internal mains voltage hazard. Do not remove the panels. There are no user serviceable parts inside. Contact your nearest Isotech agent for repair. Voltage transients on the supply must not exceed 2.5kV. -
Page 6: Health And Safety Instructions
If cased, do not return the apparatus to its carrying case until the unit has cooled. There are no user serviceable parts inside. Contact your nearest Isotech agent for repair. Ensure materials, especially flammable materials are kept away from hot parts of the apparatus, to prevent fire risk. -
Page 7: On Arrival
Optional accessories are available and will on be present if specified on your order, see page 24. In the unlikely event of any items arriving damaged please retain the packing materials (which may need to be inspected later) and then contact your supplier. Page 7 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 8: Electricity Supply
FUNCTION Green/yellow Earth (Ground) Brown Live (line) Blue Neutral Please ensure that your unit is correctly connected to the electricity supply. THE APPARATUS MUST BE CORRECTLY EARTHED (GROUNDED) Page 8 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 9: Important - Read This Now
Fill the bath with suitable liquid, water is probably best for initial testing. Fill the bath until the level is 10mm below the top of the round central calibration tube ALWAYS ISOLATE THE BATH FROM THE SUPPLY WHEN CHANGING LIQUIDS Turn the flow control to the mid position. Page 9 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 10: Figure 1: Front Panel Controls
FIGURE 1: FRONT PANEL CONTROLS Page 10 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 11: Using The Controller
The bath can have its heating rate limited with the Setpoint Ramp Rate feature. This feature is accessed from the Scroll key. Depress the key until the display shows, SPrr Page 11 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 12: Instrument Address
A row of beacons indicate the controllers status as follows, Heat Output This beacon indicates activity on the PC interface Units Momentary pressing the Scroll key will show the controller units °C or °F. Page 12 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 13: Diagnostic Alarms
Err5 Input circuit failure Consult Isotech Power failure Pwr.F . The line voltage is too low Check that the supply to the controller is within the rated limits Page 13 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 14: Over Temperature Controller
Generally the stability will be optimum when the flow is high but stable. Page 14 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 15: Operation And Initial Testing
The bath may now be used for calibration, see tutorial. For temperatures above 40°C ensure any chiller probe is not in the liquid and that the chiller is turned off. Page 15 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 16: Liquids
The choice of liquid is important. If it is too viscous at the operating temperature then the bath may not perform correctly. Other criteria also need to be met, such as safety, operating range and fume emission for example. Isotech is able to supply a number of fluids for various temperature ranges, see catalogue. - Page 17 Clean the bath. Detergent and absorbent paper will assist. If the bath has been used with oil it can be helpful to re fill with water and detergent and to allow the mixture to circulate before draining again. Close the tap. Page 17 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13...
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Page 18: Using External Chillers
This chiller has a maximum operating temperature of 40°C. Remove the chiller probe from the bath when operating above 40°C temperature. The chiller probe should not be allowed to reach temperatures higher than 40°C. Page 18 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 19: Trouble Shooting
N.B. If the oil suddenly expands and overflows at 100°C it may have been contaminated with water and the oil should be replaced after this has been cleaned. Page 19 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 20: Using The Pc Interface
The Isotech conversion leads are suitable for maximum combined lead lengths of 10M that is adequate for most applications. CONNECTIONS For RS232 use simply connect the Isotech cable, a 9 to 25 pin converter is included to suit PCs with a 25 pin serial converter. RS422 Connections... -
Page 21: Cal Notepad
DEVELOPMENT Cal NotePad was developed by Isothermal Technology using LabVIEW from National Instruments. The license details are shown on the download page and in the Cal Notepad manual. Page 21 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 22: How To Install Cal Notepad
Should you ever need to uninstall the software then use the Add/Remove Programs option from the Control Panel. PROTOCOL The instruments use the "Modbus Protocol" If required, e.g. for writing custom software the technical details are available from our Document Library at http://www.isotech.co.uk Page 22 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 23: Exploded View Of Calibration Tube Cover (915/05)
EXPLODED VIEW OF CALIBRATION TUBE COVER (915/05) Page 23 of 24 Parallel Tube Liquid Bath model 915 Iss.07– 09/13... -
Page 24: Accessories
915/01b Copper Equalising Block. Dimensionally the same as 915/01a. This block is more suitable for use in water and other liquids. 915/02 Liquid in Glass Thermometer Support Kit. This assembly will hold up to 12 liquid in glass thermometers (maximum diameter 12.7mm) radially and a centre mounted standard sensor.
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