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Quad Tc/mV Amp

Q

Q

uad Amp 

Tc/mV

150

Channel 1

Channel 2

Channel 3

Channel 4 

On-line

On-line

On-line

On-line

isolated

Cu

+

Cu

+

Cu

+

Cu

+

Summary of Contents for Quad Tc/mV

Page 1: ...e corder www eDAQ com eDAQ Amp User Manual Quad Tc mV Amp Q Quad Amp Tc mV 150 Channel 1 Channel 2 Channel 3 Channel 4 On line On line On line On line isolated Cu Cu Cu Cu ...

Page 2: ...rt and Scope are trademarks of ADInstruments Pty Ltd and are used under license by eDAQ EChem is a trademark of eDAQ Pty Ltd Other Trademarks Mac OS and Macintosh are registered trademarks of Apple Computer Inc Windows 98 Windows Me Windows 2000 and Windows XP are trademarks of Microsoft Corporation PostScript and Acrobat are registered trademarks of Adobe Systems Incorporated All other trademarks...

Page 3: ...l Outputs 7 I2C Connector 7 Connecting to the e corder 7 The Quad Tc mV Amp Self Test 9 Using Chart software 9 Setting up the Quad Tc mV Amp 9 Previewing the Signal 10 Calibration 12 Automatic Calibration 12 13 Manual Calibration 13 A Technical Aspects 15 Quad Tc mV Amp Operation 15 Technical Description 15 B Troubleshooting 17 C Specifications 19 Index 21 License Warranty 23 Quad Amp Tc mV 150 Ch...

Page 4: ...iv Quad Tc mV Amp ...

Page 5: ...d pH mV Amp 1 C H A P T E R O N E 1 Overview The eDAQ Quad Tc mV Amp is designed to work with an e corder system recording signals from up to four thermocouples or other low voltage sources simultaneously ...

Page 6: ...e that may have occurred during transit Contact your eDAQ distributor if you encounter a problem You should also become familiar with the basic features of your e corder system which are discussed in the e corder Manual which will be installed on you hard disk eDAQ Amps The Quad Tc mV Amp is part of a family of preamplifiers known as eDAQ Amps The Quad Tc mV Amp is designed for recording signals f...

Page 7: ...le for use with carbon fibre and other microelectrodes Current gain ranges of 10 pA to 100 nA in 1 2 5 steps QuadStat a four channel three electrode potentiostat suitable for use with amperometric biosensors Current gain ranges of 2 nA to1 mA channel in 1 2 5 steps Bridge Amp suitable for sensors requiring a low drift high gain differential amplifier Also provides DC excitation GP Amp suitable for...

Page 8: ...4 Quad pH mV Amp ...

Page 9: ...is chapter describes how to connect and use your eDAQ Quad Tc mV Amp IMPORTANT Always make sure that the e corder is turned off before you connect or disconnect the Quad Tc mV Amp Failure to do this may result in damage to the e corder and or the Quad Tc mV Amp ...

Page 10: ...on when the software is run check that the Quad Tc mV Amp is properly connected Qua uad Amp d Amp Tc mV mV 150 Channel 1 Channel 2 Channel 3 Channel 4 On line On line On line On line isolated Cu Cu Cu Cu On line indicator Thermocouple connector Made in Australia by eDAQ Pty Ltd No user serviceable parts inside Refer servicing to qualified service personnel Input Output I C Bus I C 2 Channel 4 Chan...

Page 11: ... of other eDAQ Amps This connection provides power to the Quad Tc mV Amp and carries the various control signals for gain range and filter selection to and from the e corder The pin assignments are shown in Figure 2 3 Connecting to the e corder Your Quad Tc mV Amp will have been supplied with an I2 C cable DB 9 pin connectors at either end and four cables with BNC connectors at either end 1 5 9 6 ...

Page 12: ...Q Amp should be connected as shown in Figure 2 5 The remainder are linked via I2 C cables connecting the I2 C output of one eDAQ Amp to the I2 C input of the next The signal outputs of each eDAQ Amp are connected to an input channel of the e corder Output Made in Australia by eDAQ Pty Ltd No user serviceable parts inside Refer servicing to qualified service personnel Input Channel 4 Channel 3 Chan...

Page 13: ... these indicators flash briefly and then remain lit the Quad Tc mV Amp is ready for use If the indicators do not light check your cable connections and repeat the procedure If this does not solve the problem contact your eDAQ distributor Using Chart software Setting up the Quad Tc mV Amp When the Quad pH mV Amp is connected to an e corder input and successfully installed the Quad Thermocouple menu...

Page 14: ... signal moves across the display area it is lost Click the OK button to apply the selected settings Signal Display The input signal is displayed so that you can see the effect of changing the settings The average signal value is displayed at the top left of the display area Drag labels and tick marks to adjust axis e corder input channel number Pause Resume buttons Select input channel Gain range ...

Page 15: ...nding to the emf values listed in the NIST ITS 90 thermocouple tables see http srdata nist gov its90 main Setting the Range Use the Range pop up menu to select the input range sensitivity of the channel Available ranges are shown in Table 2 1 Signals in excess of the range value will be truncated Filtering The low pass filter will remove high frequency noise For most thermocouple probes filter val...

Page 16: ...hermocouple extension is a Chart software plug in that adds the Thermocouple command to the Chart channel pop up menus The latest version of the extension is available at http www edaq com chart_extns_list html This extension allows the user to select the type of thermocouple B E J N K R S or T being used applies a polynomial correction to convert the voltage signal to degrees C F or K according t...

Page 17: ...rature Range Limits of Error C F Standard Special T 200 to 66 328 to 87 1 5 66 to 0 87 to 32 1 C 2 F 0 133 32 270 1 C 2 F 0 5 C 1 F 133 350 270 662 0 75 0 4 J 0 293 32 559 2 2 C 4 F 1 1 C 2 F 293 750 559 1382 0 75 0 4 E 200 to 100 328 to 148 1 100 to 0 148 to 32 1 1 C 3 C 0 340 32 644 1 7 C 3 F 1 C 2 F 340 900 644 1652 0 5 0 4 K 200 to 110 328 to 166 2 110 to 0 166 to 32 2 2 C 4 F 0 293 32 559 2 2...

Page 18: ...14 Quad pH mV Amp ...

Page 19: ...mp provides high impedance electrically isolated inputs suitable for direct connection to most thermocouples cold junction compensation software controlled filtering of the signal software selectable gain ranges Technical Description As with other eDAQ Amps all internal functions of the Quad Tc mV Amp are controlled from the e corder by sending information on a special communications connection ca...

Page 20: ...and then sent to the e corder for secondary amplification and filtering Front Panel Back Panel Online indicator Tc connector I2C input I2C output Tc signal I2C interface Low pass filter 100 Gain adj Calibration microprocessor Tc signal Tc signal Tc signal Low pass filter Low pass filter Low pass filter Quad DAC Tc connector Tc connector Tc connector 100 100 100 1 1 1 Isolation 1 Ice point referenc...

Page 21: ...s firmly connected to the BNC connector on the back panel of the pH mV Amp and to a BNC input on the front panel of the e corder All or some of on line indicators fail to light when the Chart software is opened and the pH mV Amp controls are not accessible If all the lights are off then the I2 C cable from the Tc mV Amp to the e corder may not be properly connected Check to see that the I2 C cable...

Page 22: ...18 Quad Tc mV Amp ...

Page 23: ...put range 20 mV Secondary ranges 10 5 2 mV supplied by e corder Input resolution 16 bits 0 0015 of range Input impedance 1013 Ω typical Amplifier noise 1µV rms 4 µV p p DC 10 Hz Maximum Input 10 V Input Connection type miniature thermocouple Bandwidth Low pass filter 3 dB 10 Hz 3 pole Bessel Secondary filters 5 2 1 Hz digital filters of e corder ...

Page 24: ...tors Provides control and power Power requirements 17 V DC 8 V DC 3 W Physical Configuration Dimensions h w d 60 150 200 mm 2 4 5 9 7 9 inches Weight 1 5 kg 3 3 lb Operating conditions 0 35 C 0 90 humidity non condensing eDAQ reserves the right to alter these specifications at any time ...

Page 25: ...otentiostat 3 Quad pH mV Amp 3 Quad Tc mV Amp 2 QuadStat 3 F filtering 11 front panel 6 G GP Amp 3 I I2C connector 7 pin assignments 7 L limits of error 13 P pH Amp dialog box 10 Picostat 3 Potentiostat 3 previewing the signal 10 probe calibration 12 problems 17 Q Quad pH mV Amp 3 Quad Tc mV Amp 2 setup 9 12 use with Chart software 9 QuadStat 3 Quad Amp Tc mV 150 Channel 1 On line isolated Cu ...

Page 26: ...l preview 10 specifications 19 T technical specifications 19 20 Temperature Amp dialog box 10 thermocouple calibration 12 thermocouple connectors 6 thermocouple inputs 6 thermocouple limits of error 13 thermocouple type 11 troubleshooting 17 U user modification 15 W warranty conditions 15 23 ...

Page 27: ...ization number You must ship the defective product at your expense We will pay return shipping The product should be packed safely preferably in its original packaging and have the RAN on the shipping label Returns sent without a RAN may be refused delivery This warranty does not cover hardware that has been modified by the user in any way been subjected to unusual physical electrical or environme...

Page 28: ...being used for example Windows XP or Macintosh OS 10 2 the software version you are using for example Chart v5 1 2 We endeavor to answer all your questions but in some cases for example where the problem relates to the other equipment that you are using a nominal fee may be charged Jurisdiction eDAQ Pty Ltd is bound by the laws of New South Wales in Australia and any proceedings shall be heard by ...

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