Isotech ITL-M-18233 User Maintenance Manual/Handbook Download

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WTPMB Model 18233: 07–12/16

WATER TRIPLE POINT

MAINTENANCE BATH

MODEL ITL-M-18233

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: [email protected]

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.

Summary of Contents for ITL-M-18233

Page 1: ...land 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 beca...

Page 2: ...E ALARMS AND ADDITIONAL SAFETY FEATURES OF THE CONTROLLER 17 Control sensor alarms 17 Left and Right side alarms for under temperature protection 17 In the event of an alarm condition 17 What happens...

Page 3: ...18233 07 12 16 THERMAL FUSE REPLACEMENT 24 FAN REPLACEMENT 24 Refrigeration Diagram 25 APPENDIX A AN INTRODUCTION TO THE WATER TRIPLE POINT 26 APPENDIX B TRIPLE POINT CELL OPERATION 28 ISOTECH I CAL E...

Page 4: ...Directive 92 31 EEC and the European Low Voltage Directive 73 25 EEC amended by 93 68 EEC To ensure emission compliance please ensure that any serial communications connecting leads are fully screened...

Page 5: ...en yellow MUST be connected to a suitable earth 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 Th...

Page 6: ...d unless wearing the appropriate protective clothing and having the necessary training 6 Do not drill modify or otherwise change the shape of the apparatus 7 Do not dismantle the apparatus 8 Do not us...

Page 7: ...OT COVERED BY THIS GUARANTEE INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE The company is always willing to give technical advice and assistance where...

Page 8: ...T PERSONNEL FAMILIAR WITH GOOD MEASUREMENT PRACTICES IT IS EXPECTED THAT PERSONNEL USING THIS EQUIPMENT WILL BE COMPETENT WITH THE MANAGEMENT OF APPARATUS WHICH MAY BE POWERED OR UNDER EXTREMES OF TEM...

Page 9: ...perature The cooling system has sufficient cooling capacity to bring the bath to operating temperature from 25 C in about two days The limited cooling capacity provides some protection for the cells i...

Page 10: ...ulate through the back of the cabinet is provided by the extended frame around the air filter This frame may be placed directly against a wall as long as the lower opening is not obstructed The cabine...

Page 11: ...tion Plate 3 Power Entry 4 Fan Socket 5 Tank Power Socket 6 Air Adjust 7 Air Output 8 Alarm Right Sensor 9 Alarm Left Sensor 10 Controller Sensor Figure 3 Control Panel 1 USB Port 2 Alarm Left Beacon...

Page 12: ...openings permit access to the cells The large openings should be kept closed with the split plugs provided these have thermometer channels so that closure may be maintained during use The bath does no...

Page 13: ...to get the best performance from the equipment Certain features used in this controller require different levels of access The Operator access requires no passcode to use These functions include Chang...

Page 14: ...t up screen and controls 1 ISOTECH splash screen 2 PAGE button 3 SCROLL button 4 DOWN button 5 UP button Figure 5 The HOME page 1 Water temperature 2 Setpoint 3 Left alarm sensor value 4 Right alarm s...

Page 15: ...display the SUPERVISOR screen figure 9 9 When logged in as the SUPERVISOR the equipment will control in the normal way HOW TO LOG IN AS THE ENGINEER 1 Press the Page button to display the Home menu 2...

Page 16: ...ess the SCROLL button once this will highlight the SETPOINT ADJUST box 2 Press the SCROLL button once more and this will allow adjustment of the setpoint via the UP DOWN buttons 3 Scroll to the desire...

Page 17: ...l begin and controller will reset the set point to 5 C to allow the water to warm to a safe condition Left and Right side alarms for under temperature protection The heat is conducted from the water b...

Page 18: ...ator The controller display has an ambient temperature value This displays the ambient temperature within the controller case This is particularly useful for diagnostic purposes in the event of contro...

Page 19: ...four channels UNLESS the equipment is in ENGINEERING mode This is indicated by the green R in the bottom left had side of the ISOTECH homepage The data can either be extracted via the USB socket on th...

Page 20: ...IT department may be necessary in order to achieve this 3 The remote computer must also be set up to respond to pings This is because the instrument pings the host whilst establishing connection if it...

Page 21: ...as the bath temperature increases towards ambient Check the water level and the air filter weekly Replace the air filter with a standard 8 x 16 fibreglass furnace filter if its clean area is less than...

Page 22: ...es are inserted into wells from the rear of the tank assembly They are accessible through the air filter opening and monitor the tank wall temperature at the tops of the cooling plates These probes ar...

Page 23: ...750mA amp fuse with a 1 A fuse change the labelling and change the mains cable and or plug as required 4 Replace the clear plastic insulator TANK ASSEMBLY REMOVAL The only individually replaceable par...

Page 24: ...thermal fuse one adjacent to the body and the other about 6mm away these serve as heat sinks during soldering 7 Quickly solder the connections to the new fuse NOTE Slow soldering or the absence of hea...

Page 25: ...w from ambient to the bath q2 Heat flow from the bath to the four thermo electric coolers This is the same rate of heat flow as q1 but at about 0 C q3 Heat flow from the heat sinks to ambient This is...

Page 26: ...ixed points Properly used it is not difficult to realise the temperature of the triple point 0 01 C with an accuracy of 0 0001 C To put this in context it is difficult to prepare and use an ice bath w...

Page 27: ...Page 27 of 32 WTPMB Model 18233 07 12 16...

Page 28: ...ing rapidly 3 Fill the thermometer well with alcohol and drain it again to remove the remaining water 4 Put several drops of alcohol into the well so that it contains about 1ml The alcohol serves as a...

Page 29: ...ong the equilibrium as long as possible it is suggested that any thermometer be pre chilled before being inserted into the cell Pre chill tubes are provided in the Isotech bath for this purpose 4 Duri...

Page 30: ...which has admitted air Transportation of water triple point cells is a matter for extreme care It is preferable to hand carry them in the upright position The impact of rapid motion of the water colu...

Page 31: ...ion allows logging of data from the ADVANCED model Additionally if a license is purchased it allows for fully automatic calibration including certificate printing and the calculation of coefficients R...

Page 32: ...Page 32 of 32 WTPMB Model 18233 07 12 16 PROGRAM EDITOR This allows set point programs to be created on a PC and uploaded to the ADVANCED model Installation instructions are included with the download...

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Isotech ITL-M-18233, User Maintenance Manual/Handbook

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