User manual HANNA INSTRUMENTS HI 142

[. . . ] Instruction Manual HI142 Series Thermologgers Dear Customer, Thank you for choosing a Hanna product. Please read carefully this instruction manual before using the logger. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com or contact your nearest technical office. [. . . ] 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. GENERAL DESCRIPTION HI142 series is a family of temperature dataloggers especially designed for applications in supermarket shelves and warehouses. It is possible to monitor continuously and simultaneously the temperature condition in up to 31 locations. They can all be wired through RS485 to the HI504903 GSM supervisor or to a local PC, allowing data downloading without removing the loggers from their sites. Moreover, with HI504903 GSM supervisor it is possible to receive SMS when an alarm occurs (low/high temperature, low battery level, etc. ) or upon user request. The user can interact with the meters through a PC using the HI92140 Windows® compatible software for setting High and Low alarm thresholds, logging interval, logging delay start, alarm mask time, lot ID, etc. In case of power failure, an internal battery assures a working time of at least 1 week. OPERATIONAL GUIDE For connecting the HI142 loggers with the HI504903 GSM supervisor, please refer to the HI504903 instruction manual. It is possible to connect up to 31 units within the same RS485 network with a wires total length up to 1 km. After connection to the GSM supervisor, the user can program and real-time monitor the loggers and also download the data from a PC with the HI92140 software installed. The PC can be locally connected to the HI504903 supervisor with a serial cable or can call the HI504903 from remote location through a modem connection. Before starting any operation, activate each logger by pulling the nylon strip in the indicated direction. Simply hang the logger out of the site to be monitored and insert the temperature probe (1. 5 m cable). TECHNICAL SERVICE These instruments have been accurately pre-calibrated at the factory; anyway, it is generally recommended to have all thermometers recalibrated at least once a year. [. . . ] 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. Tel. (401) 765. 7500 · Fax (401) 765. 7575 For e-mail contacts and complete list of Sales and Technical offices, please see www. hannainst. com IST142R1 05/05 [. . . ]