User manual HANNA INSTRUMENTS HI 92710

[. . . ] Instruction Manual HI 92710 / HI 92740 HI 92810 / HI 92840 Portable Microprocessor Printing and Logging Thermometers These Instruments are in Compliance with the CE Directives Dear Customer, Thank you for choosing a Hanna Instruments Product. Please read this instruction manual carefully before using the instrument. This manual will provide you with all the necessary information for the correct use of the instrument, as well as a more precise idea of its versatility in a wide range of applications. These instruments are in compliance with the directives. [. . . ] a d e f It is always possible to switch from the logging with printing function to the logging only function. Press the ALT and the PAPER keys at the same time and the "LOG" symbol will start to blink to indicate that the data are now stored only into memory. °C PRINT PAPER LOG CH ALT UP Notes: · It is recommended to use the adapter during logging with printing mode, especially when many printout are going to be taken. · Before proceeding with logging with printing, make sure there is enough paper for your measurements. When the paper is finished the meter will not advise the operator and the printouts could be lost. If this happens, data will continue to be stored into memory, and it is always possible to print them at different time (see page 22). 18 · · · It is possible to insert a new paper roll during logging session (see page 30) Once in the logging mode, the interval cannot be changed. Exit the logging ALT UP DOWN mode first (pressing the ALT and the LOG keys) TEMP TIME LOG before setting the new interval. If the PRINT key is pressed while in logging mode, a printout is produced without affecting the PRINT running sample number. TO STOP LOGGING Press the ALT and the LOG keys simultaneously, this will generate a log exit status printout. ALT UP DOWN TEMP TIME LOG Log number Total sample number 10-01-96 ==07== 0005M 0016 *16. 25 #1 20. 0 °C. #2 57. 3 °C. LOG EXIT Date/Time 19 TO SCAN STORED DATA ON DISPLAY Press the LOG key. The display will show the log number and the page number of the next log. LOG While pressing the ALT key, press the DOWN key until the log number to scan appears on the secondary display. The primary display will show the number of samples of that particular log. ALT DOWN Press the ALT and the TEMP keys simultaneously. This now shows the date in which the log has started. ALT DATE TEMP Press the UP key and the time of the most recent sample will be displayed. TIME UP 20 Press the UP key and the temperature will be displayed. °C CH Continue pressing the UP key to display one by one all the memorized data of the same log in the above sequence i. e. Press the DOWN key to revert back to sampling time and move back through samples. To exit from the recall mode press the LOG key. LOG Note: this mode will not alter data into memory 21 TO PRINT STORED DATA Once a log number is selected by using ALT and DOWN keys, as detailed in the chapter "TO SCAN STORED DATA ON DISPLAY" you can print all or part of that log section by using the ALT and the PRINT keys. The printer will start to print the logged section beginning with the selected sample number without altering the content of the memory. Note: It is always possible to print only the sample shown on the display by pressing the PRINT key. ALT DOWN PRINT ALT PRINT Note: Before proceeding with printing, make sure there is enough paper for the data to be printed. When the paper is finished the meter will not advise the operator and the printouts could be lost. If this happens, stop the printer by PAPER pressing the ALT and PRINT the PAPER keys simultaneously. Insert a new paper roll and repeat the instruction above starting from the last printed sample number (see chapter "PRINTER MAINTENANCE" on page 30 for changing paper roll). 22 WORKING SAMPLE (HI 92810 and HI 92840 only) The following is a step by step procedure of a typical monitoring situation where we have assumed that you have already inserted the batteries and set the date and time correctly. It is an example of a meter used to monitor and store every 2 minutes. The meter will log 10 samples but print only 3, display the data contained in sample number 1 and print samples 5 through 10. Example: Step One - Setting the printing/logging interval at 2 minutes: Press ALT and TIME keys twice. The time will appear on the primary display with a number representing the printing/logging interval blinking. ALT UP INTV TIME TEMP TIME Press either the UP or DOWN keys until a blinking "2" appears. TIME INTV UP DOWN Press ALT and TIME keys to exit. The display will now show the current time together with the selected interval of 2 minutes. ALT UP INTV TIME TEMP TIME Step Two - Entering the log mode: Press ALT and LOG keys. [. . . ] Select the sensor that matches your application, attach it to the RCA adaptor and plug it into the meter. You now have a temperature sensor that is custom fit to your requirements. The following is a list of the NTC Thermistor sensors and plug available: HI 76P2-1 RCA plug with 1 meter (3 . 3') cord. HI 76S2-1 NTC Thermistor sensor. Teflon® coated with hole for mounting. 6. 4mm 0. 25" 25. 4mm 1. 0" 300mm 12" 19mm 0. 75" 4. 8mm 0. 19" 7. 1mm 0. 28" DIA 3. 8mm 0. 15" ALUMINUM HOUSING TEFLON TUBING HI 76S2-2 NTC Thermistor sensor. [. . . ]