[. . . ] Instruction Manual HI 141 Series NTC Thermologgers & HI 141001 Infrared Transmitter Dear Customer, Thank you for choosing a Hanna product. This manual will provide you with the necessary information for correct operation. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] If under warranty, report the model number, date of purchase, serial number and the nature of the failure. If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc. , Woonsocket, Rhode Island, 02895 , USA. Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice. GENERAL DESCRIPTION HI 141 series is a family of temperature data loggers with either one or two channels, and an optional LCD. The user interacts with the logger, setting data acquisition parameters or downloading logged data, through a RS232 serial port on a Windows® PC. The HI 141000 Windows® application software supports the communication between the logger and the PC through the HI 141001 Infrared Transmitter. Several models are available, as shown in the following table: The information shown on the bottom is user-selectable, and can include the current number of samples, the samples beyond alarm limits, the min and max temperature, and the high and low alarm thresholds. Recommendations for users Before using these products, make sure that they are entirely suitable for the environment in which they are used. Operation of these instruments in residential areas could cause unacceptable interferences to radio and TV equipments, requiring the operator to take all necessary steps to correct interferences. Any variation introduced by the user to the supplied equipment may degrade the instruments' EMC performance. To avoid damages or burns, do not perform any measurement in microwave ovens. ISTR141R1 06/02 FUNCTIONAL DESCRIPTION Model HI 141A (H) SPECIFICATIONS Sensor(s) T1 internal START UP In order to communicate with the HI 141 thermologger, the HI 141000 application software must be installed on your PC. This is done by inserting the first floppy disk in the driver and running Setup. exe. Connect the HI 141001 Infrared Transmitter to your computer through an available RS232 port. [. . . ] For loggers with LCD, the LCD will also light up for about 1 second, showing all segments. Note: Dispose of the Lithium (Li) battery according to local regulations. Green LED will light up when magnetic switch is activated by the key. When the key is removed from the top of the meter, the green LED switches off. [. . . ]