World Precision Instruments [1] 10/27/2011
CONTENTS
CONTENTS ..................................................................................................................................................1!
OPERATIONAL QUICK START ................................................................................................................2!
Changing the Temperature Setpoint..........................................................................................................2!
Changing the Humidity Setpoint...............................................................................................................2!
Heater ........................................................................................................................................................3!
Humidifier .................................................................................................................................................3!
Fan Speed ..................................................................................................................................................3!
ABOUT THIS MANUAL .............................................................................................................................4!
INTRODUCTION .........................................................................................................................................5!
Cautions and Warnings .............................................................................................................................5!
Parts List....................................................................................................................................................6!
Unpacking .................................................................................................................................................6!
INSTRUMENT DESCRIPTION...................................................................................................................7!
Humidifier .................................................................................................................................................8!
Heat PID Controller Description...............................................................................................................9!
Humidity PID Controller Description .......................................................................................................9!
Basic System Setup .................................................................................................................................10!
OPERATING INSTRUCTIONS.................................................................................................................12!
Basic Use of the Air-Therm H ................................................................................................................12!
Understanding the Heat PID Controller ..................................................................................................12!
Viewing and Adjusting Heat Parameters from the Main Menu..............................................................13!
Viewing and Adjusting Humidity Parameters from the Main Menu ......................................................17!
MAINTENANCE ........................................................................................................................................19!
Preventing Condensation on Microscope Chamber Walls......................................................................19!
Calibrating a Temperature Sensor...........................................................................................................19!
Changing a Fuse ......................................................................................................................................20!
ACCESSORIES...........................................................................................................................................22!
Optional Accessories...............................................................................................................................22!
TROUBLESHOOTING ..............................................................................................................................23!
SPECIFICATIONS......................................................................................................................................25!
APPENDIX A: UNDERSTANDING PID CONTROL ..............................................................................26!
Proportional .............................................................................................................................................26!
Integral.....................................................................................................................................................27!
Derivative ................................................................................................................................................27!
A Well Tuned System .............................................................................................................................27!
Warranty..................................................................................................................................................29!
Claims and Returns .................................................................................................................................29!