User manual HANNA INSTRUMENTS HI 98811

[. . . ] c o m 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. WARRANTY HI 98811 is guaranteed for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions. [. . . ] If the reading is out of range or the probe is not connected, 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 in order to maintain a high accuracy of the meter. It is recommended that recalibration to be performed by authorized technical personnel only. Contact your nearest HANNA service center. 14 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 - while not in timed logging mode. · press ALT and PAPER to toggle between printer enabled and printer disabled while in Timed logging mode. TIMED LOGGING MODE To start Timed logging, press ALT and LOG. "tAG" will be displayed on the upper part of the LCD and "Id" on the lower part. For Sample ID code reading an i-Button® tag must be touched by the touch probe on the back of the meter within a 20 second interval. If a tag is recognized the meter will beep once and if the printing is disabled the last six digits of the tag's code will be displayed on the LCD for a few seconds. Tag reading can be skipped by pressing LOG (a null Sample ID will be stored). Note: Tag reading timeout - after 20 seconds left without reading any tag, the logging operation will be aborted with a longer beep. The lot number will be displayed for a few seconds, then the "LOG" "INTV" symbols will appear on LCD and if printer is enabled a first set of data will be printed. The "LOG" "INTV" symbols will be fixed if printer is enabled and will blink if printer is disabled. The printout provides the following #04 1m ID 2*3 3 5 4*2 information: 18/12/2004 17. 10 S. 0001 a - Lot number 24. 9°C b - Logging interval g 15 c - Sample ID (only for the first sample of the lot) d -Date (only for the first printed sample of the lot or of the day) e - Sample number f - Time g -Reading ("----" means out of range). If no keys are pressed, the meter enters sleep mode to prolong the battery life and only the "LOG" "INTV" symbols 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. STOP LOGGING In order to stop the recording mode, press ALT and LOG (press ON/OFF first, if meter is in sleep mode). S. 0009) will be printed ID 2*3 3 5 4*2 18/12/2004 17. 10 if printer is enabled. [. . . ] 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 take place only in a non hazardous area using 1. 5V alkaline AA type batteries. In order to replace run down batteries, simply remove the two screws on the rear cover of the instrument and replace the four 1. 5V AA batteries with new ones, paying attention to the correct polarity. [. . . ]