INFICON RQCM - Quartz Crystal Microbalance Research System - Manual (Page 9)

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TABLE OF CONTENTS
1 GENERAL DESCRIPTION ................................................................................................... 1-1
1.1 FEATURES................................................................................................................................. 1-1
1.1.1 VERY WIDE FREQUENCY RANGE................................................................................... 1-1
1.1.2 SUPPORT FOR VERY LOW Q, HIGHLY DAMPED, CRYSTALS...................................... 1-1
1.1.3 DIRECT REAL-TIME MEASUREMENTS OF CRYSTAL FREQUENCY, MASS, AND
RESISTANCE ...................................................................................................................................... 1-1
1.1.4 MULTIPLE CRYSTAL MEASUREMENT CHANNELS....................................................... 1-2
1.1.5 ELECTRODE CAPACITANCE CANCELLATION.............................................................. 1-2
1.1.6 “AUTOLOCK”.................................................................................................................... 1-2
1.1.7 CRYSTAL FACE ISOLATION ............................................................................................. 1-2
1.1.8 FULLY INTERGATED COMPUTER SOFTWARE ............................................................. 1-2
1.1.9 INPUTS AND OUTPUTS CAPABILITY.............................................................................. 1-2
1.1.10 DATA ACQUISITION.......................................................................................................... 1-2
1.2 SPECIFICATIONS ..................................................................................................................... 1-3
1.2.1 CRYSTAL MEASUREMENT ............................................................................................... 1-3
1.2.2 DATA ACQUISITION ANALOG CARD (OPTIONAL) ....................................................... 1-3
1.2.2.1 Analog Inputs .................................................................................................................. 1-3
1.2.2.2 Thermocouple Input......................................................................................................... 1-4
1.2.2.3 RTD Input........................................................................................................................ 1-4
1.2.2.4 Thermistor Input.............................................................................................................. 1-4
1.2.3 I/O CARD (OPTIONAL)...................................................................................................... 1-4
1.2.4 COMMUNICATIONS .......................................................................................................... 1-4
1.2.5 FRONT PANEL INDICATORS............................................................................................ 1-4
1.2.6 POWER REQUIREMENTS ................................................................................................. 1-4
1.2.7 PHYSICAL ........................................................................................................................... 1-4
1.3 ACCESSORIES .......................................................................................................................... 1-5
1.4 OPTIONAL CARDS................................................................................................................... 1-5
2 GETTING STARTED ............................................................................................................ 2-1
2.1 UNPACKING.............................................................................................................................. 2-1
2.2 SAFETY PRECAUTION............................................................................................................ 2-1
2.2.1 LINE VOLTAGE .................................................................................................................. 2-1
2.2.2 GROUNDING...................................................................................................................... 2-1
2.2.3 LINE FUSES........................................................................................................................ 2-1
2.3 SYSTEM CHECKOUT............................................................................................................... 2-1
2.3.1 CRYSTAL MEASUREMENTS VERIFICATION .................................................................. 2-2
2.3.1.1 In Air ............................................................................................................................... 2-2
2.3.1.2 In Water........................................................................................................................... 2-3
3 OPERATION ......................................................................................................................... 3-1
3.1 GENERAL DESCRIPTION OF THE CRYSTAL MEASUREMENT........................................ 3-1
3.2 UNDERSTANDING AND SETTING UP A CRYSTAL MEASUREMENT CHANNEL ......... 3-2
3.3 FRONT PANEL DESCRIPTION................................................................................................ 3-2
3.3.1 LOCK INDICATOR............................................................................................................. 3-2
3.3.2 UNLOCK INDICATOR ....................................................................................................... 3-2
3.3.3 SWEEP INDICATOR........................................................................................................... 3-2
3.3.4 RESET SWITCH .................................................................................................................. 3-2
3.3.5 CRYSTAL CONNECTOR..................................................................................................... 3-2
3.3.6 CRYSTAL FACE CONNECTOR.......................................................................................... 3-2
3.3.6.1 Crystal Face Mating Connector ....................................................................................... 3-3
3.3.7 FINE AND COURSE CAPACITANCE ADJUSTMENTS .................................................... 3-3
3.4 ADJUSTING THE CAPACITANCE CANCELLATION........................................................... 3-5