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Gamry Instruments Reference 30k Booster, Operator'S Manual

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Gamry Instruments Reference 30k Booster Operator'S Manual Download Page 20

Introduction – Theory of Operation 

20 

Figure 2-1 

Simplified Range-switching Reference 30k Booster 

 

Summary of Contents for Reference 30k Booster

Page 1: ...Reference 30k Booster Operator s Manual Copyright 1991 2021 Gamry Instruments Inc Revision 1 7 August 24 2021 988 00021...

Page 2: ......

Page 3: ...cant engineering time on our part can be performed on a contract basis Contact us with your requirements Limited Warranty Gamry Instruments Inc warrants to the original user of this product that it sh...

Page 4: ...at might appear Copyrights Reference 30k Booster Operator s Manual copyright 1991 2021 Gamry Instruments Inc all rights reserved Gamry Framework copyright 1989 2021 Gamry Instruments Inc all rights re...

Page 5: ...e 16 Chapter 2 Introduction 17 Compatibility with Older Reference 3000 Potentiostats 17 Cable Connections from Reference 3000 to the Reference 30k Booster 18 Analog Cable 18 Digital Cable 18 Theory of...

Page 6: ...al Clips 41 General Suggestions for High current Connections 41 Large diameter Threaded Connections 42 Appendix A Reference 30k Booster Specifications 43 Control Amplifier 43 30 A Current Range 43 Sys...

Page 7: ...paratus is only safe from electrical shock hazards if the case of the apparatus is connected to a protective earth ground In the Reference 30k Booster this protective ground connection is made via the...

Page 8: ...minal Line voltage Setting Nominal Setting Allowed Range Fuse Rating Schurter P N 115 90 to 130 VAC 12 5 A 250 VAC 0034 3128 240 215 to 264 VAC 6 3 A 250 VAC 0034 3125 The instrument automatically swi...

Page 9: ...nged with the AC line mains cord plugged into the Reference 30k Booster 2 Locate the AC input module on the lower left hand corner of the Reference 30k Booster rear panel It can be identified by the p...

Page 10: ...ambient temperatures between 0 C and 40 C Be careful when operating the Reference 30k Booster in an enclosed space such as an enclosed relay rack or NEMA enclosure Caution The temperature within the e...

Page 11: ...ing Shipping Same as storage plus Acceleration Maximum 30 G Operation Ambient Temperature 10 C to 40 C Relative Humidity Maximum 90 non condensing Spill Hazard Cooling of the Reference 30k Booster req...

Page 12: ...nce 30k Booster Placing your Reference 30k Booster on a static control work surface may help Static control work surfaces are now generally available from computer supply houses and electronics tool s...

Page 13: ...The fuses protect the cell from excess current from two possible error conditions 1 improper grounding 2 electronics failure in the booster The grounding conditions that create the problem are discuss...

Page 14: ...system They are present to prevent damage to the Reference 3000 in two possible error conditions The first error condition requires a booster malfunction The malfunction must cause one of the two swit...

Page 15: ...ont panel of the Reference 30k Booster glows when the EMERGENCY SHUTDOWN switch is in the tripped position The system will not run experiments until the switch is reset and the indicator light is off...

Page 16: ...ergy A short circuit across the cell terminals can cause large currents and hazardous conditions The dangers can include fire explosion and emission of hazardous chemicals and can be severe enough to...

Page 17: ...rement of impedances from 10 to 10 k without changing system connections Applications for a system containing a Reference 30k Booster include research quality control and production in these areas Pre...

Page 18: ...ence 3000 s current measurement circuit Of course adding an additional measurement range is useless if the system cannot control cell voltage or current The Reference 30k Booster also contains a power...

Page 19: ...ier comes from the voltage on the Reference 3000 s Counter electrode lead A second switch connects the working electrode to the 30 A current measurement circuit The output of this current measurement...

Page 20: ...Introduction Theory of Operation 20 Figure 2 1 Simplified Range switching Reference 30k Booster...

Page 21: ...Reference 3000 s current ranges or can be measured on the Reference 30k Booster s 30A range In either case the current flows between the high current terminals on the front panel of the Reference 30k...

Page 22: ...3 m 6 W resistor and a Cal side that is a 200 m 1 W resistor The nominal tolerance of the resistors is 1 The Test side of the fixture can handle the full 30 A output of the Reference 30k Booster While...

Page 23: ...Cal cell 3 m and 200 m 5 985 00116 Cable Ref3000 to Ref30k Working Counter 15 pin D Male to Female 6 985 00120 Cable Ref3000 to Ref30k Expansion Interface 25 pin D Male to Female 7 630 00023 Fuse Blad...

Page 24: ...sitting on a flat surface Operation in other positions can result in restricted airflow and overheating of the circuitry We do not recommend placing solid objects near the Reference 30k The Reference...

Page 25: ...witches to use any power line mains voltage in these ranges however safe full power operation in each range requires different AC power line fuses as noted in Table 1 2 Connections between Reference 3...

Page 26: ...on green terminal and red wires on red terminal Cal Cell Connections Connect the other end of the Working Counter cable to the Cal Calibration side of a Reference 30k Booster Test Cal cell This Test C...

Page 27: ...d red wires on the terminal labeled Red Make sure your connections are to the Cal side of the fixture The other three connections to the test cell come from the Reference 3000 Sense Cable They are the...

Page 28: ...Reference 3000 should glow green No other LEDs should be illuminated If either instrument has its red Overload LED lighted turn off the power and recheck all the connections An open fuse in the Cal C...

Page 29: ...n the Calibration Cell causes calibration failures Optional 30 A Test If you wish to further test your system you can switch the cell cabling to the Test side of the Test Cal cell This side is a 3 m 6...

Page 30: ...cm2 and an area of 1 0 cm2 After you click the OK button a runner window displays a current and voltage versus time curve that looks similar to Figure 3 4 Figure 3 4 Current versus Time Curve for 30...

Page 31: ...s fuses and connectors are discussed in detail in this chapter Figure 4 1 Front Panel of the Reference 30k Booster Front panel Indicators There are six indicator LEDs on the Reference 30k Booster s fr...

Page 32: ...goes on and stays on this can indicate a dangerous condition especially when the cell cannot handle high power Over Temp LED This is a red LED which lights when the Booster heat sink exceeds a tempera...

Page 33: ...EMERGENCY SHUTDOWN The emergency shutdown control is a big red button on the right side of the Reference 30k Booster s front panel It gives you an easy method to turn off an experiment EMERGENCY SHUTD...

Page 34: ...8 16 bolt It is normally connected to the cell with a heavy gauge low inductance cable The standard length cable is 90 cm long Its Gamry P N is 985 00122 A Reference 3000 Reference 30k Booster system...

Page 35: ...ector The Reference 3000 Counter Working connector on the front panel of the Reference 30k Booster connects two analog signals between the booster and the Reference 3000 The signals are the Reference...

Page 36: ...ck and the power switch The fuses and fuse selection are described in Chapter 1 You must use fuses appropriate for the AC line voltage mains in your area Line cord selection is also described in Chapt...

Page 37: ...mon voltage reference point for the Reference 30k Booster s circuitry It floats with respect to the Protective Ground A strap is provided to connect the Protective Ground and System Ground Tests on el...

Page 38: ...Reference 3000 Reference 30k Booster system make this connection with a 25 pin D to 25 pin D cable Gamry P N 985 00120 Caution The Gamry 985 00120 cable contains special shielding and grounding Do no...

Page 39: ...ge and conversion devices Large high rate batteries often have cell impedance less than 1 m Test set ups for these devices require contact and lead resistances less than 10 Fortunately you can often e...

Page 40: ...1 shows a half of a reasonably good 4 terminal connection with two alligator clips to a battery terminal Each clip contacts the terminal independently and the sense clip is closest to the battery The...

Page 41: ...eries and supercapacitors are generally made using large diameter bolts like those found on the Reference 30k front panel This can lead to very low resistance contacts Remember that copper is an excel...

Page 42: ...ake contact with a larger diameter terminal you can Remove the ring terminal of the 985 00122 cable and replace it with a larger diameter terminal This may require the services of a professional elect...

Page 43: ...static ZRA Allowed Current Ranges 30 3 0 3 0 03 A Mechanical Dimensions w x h x d 37 x 23 x 44 14 5 x 9 x 17 5 cm inch Weight 16 35 kg lbs Power Input Voltage 90 to 263 VAC Power max 1200 W A potentio...

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Page 45: ...rotective Ground is available on a binding post on the rear of the Reference 30k Booster This binding post is green and identified with the standard symbol for protective earth ground The internal cir...

Page 46: ...a contributor to ground issues System Ground The Expansion Interface cable between the Reference 3000 and Reference 30k Booster connects the System Grounds of the two instruments All control signals p...

Page 47: ...d contact Gamry Instruments technical support staff Figure 5 3 shows the ground jumper in place Figure 5 3 Jumper Connection between Protective Ground and System Ground When earth grounding the System...

Page 48: ...lated from Earth Ground Most laboratory electrochemical cells are isolated from earth ground A glass cell on a bench top is an obvious example Commercial packaged batteries and supercapacitors are usu...

Page 49: ...d and the cell voltage In all cases the voltage will be less than 24 volts Limits on Ground Voltage The Reference 3000 contains TVS surge suppressors that limit the voltage difference between the Refe...

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Page 51: ...owing standards as defined in report number R0540 000 from Ergonomics Inc for safety analysis and report number R 1571P from Radiation Sciences Inc for EMC test and analysis EMC Standards Title Class...

Page 52: ...Certifications 52 Certificate of Conformance...

Page 53: ...is based upon compliance with the following directives Electromagnetic Compatibility Regulations 2016 Electrical Equipment Safety Regulations 2016 EMC Regulations Title Class Criteria EN 61326 1 2013...

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Page 55: ...driver 26 27 operation 11 operator errors 16 Overload 32 Overload LED 28 32 Over Temp 32 Over Temp LED 32 pass through mode 14 17 19 21 22 35 37 plastic barrier 16 power input connector 36 power LED...

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