User manual HANNA INSTRUMENTS HI 98810

[. . . ] Instruction Manual HI 98710 · HI 98810 HI 98740 · HI 98840 Printing and Logging Thermometers www. hannainst. com 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 precise idea of its versatility in a wide range of applications. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com directives. [. . . ] The lower LCD displays the selected channel number (multi-channel versions only). Press CH/ TIME (HI98740 and HI98840 only) or TEMP/TIME (HI98710, HI98810 only) to view the reading of the other channels, date and time in the following order: · channel 2 temperature reading (HI98740, HI98840 only) · channel 3 temperature reading (HI98740, HI98840 only) · channel 4 temperature reading (HI98740, HI98840 only) · date · time Pressing CH/TIME or TEMP/TIME again, the meter returns to channel 1 temperature reading. If the reading is out of range or the probe is not connected to a channel, the LCD will display a dashed line in place of the reading. Note: To choose between "°C " and "°F" unit, enter the setup code 70. After 1 year since last calibration the "DATE" symbol starts blinking on the LCD to warn the user that a recalibration is suggested to maintain the greatest accuracy of the meter. It is recommended that recalibration is performed by authorized technical personnel only. Contact your nearest HANNA service center. 14 HI 98810 - HI 98840 PRINTING / LOGGING FUNCTIONS Two different modes to print / log data are available: 1. Timed logging; samples are stored and printed (if print function is active) at fixed time intervals. Log on demand; samples are stored and printed (if print function is active) when the LOG key is pressed. It's possible to perform the Log on demand either in normal mode or in Timed logging mode. It is possible to switch from logging without printing to logging with printing in two ways: · set the function code 03 to "On" to enable printing, to "Off" to disable printing · press ALT and PAPER to toggle between printer enabled and printer disabled while in Timed logging. TIMED LOGGING MODE To start Timed logging, press ALT and LOG. The lot number will be displayed for a few seconds then the LOG symbol will appear on LCD and if printer is enabled a first set of data will be printed. The "LOG" symbol will be fixed if printer is enabled and will blink if printer is disabled. The printout provides the following information: a - Lot number b - Logging interval c - Date (only for the first printed sample of the lot or of the day) d - Sample number e - Time f - Readings ("----" means out of range). If no keys are pressed, the meter enters standby mode to prolong the battery life and only the "LOG" indication will be visible on LCD. While logging, during the sleep mode, the last logged reading will appear briefly on the LCD. To reactivate the LCD press ON/OFF. 15 TO STOP LOGGING In order to stop the recording mode, press ALT and LOG keys (press ON/OFF first, if meter is in sleep mode). Notes: · It is recommended to use the adapter during logging in printing mode, especially when many printouts 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 in memory, and it is always possible to print the data at a later time through setup code 00. · It is possible to insert a new paper roll during logging session. [. . . ] If in Timed logging mode with the power down function enabled this time can be longer. Note It is not possible to activate backlight and printer when the instrument is in a low battery condition. If the user attempts to enable these functions without replacing the batteries or connecting the external power adapter, the meter will show "batt" on LCD. Battery replacement must only take place in a non hazardous area using 1. 5V alkaline AA type batteries. [. . . ]