User manual HANNA INSTRUMENTS HI 88703

[. . . ] Instruction Manual HI 88703 Turbidity Meter w w w. c o m 1 Dear Customer, Thank you for choosing a Hanna Instruments product. This manual will provide you with the necessary information for correct use of the instrument. Please read this instruction manual carefully before using the instrument. [. . . ] The display will show "READ" in the left side and blinking dashes. The dashes and lamp icon will appear during different measurement phases. · The result is displayed in the selected units. CONTINUOUS MEASUREMENT This measurement mode is suitable when many measurements have to be taken in a short period of time. The mode is useful to evaluate a very fast settling sample. This measurement mode is recommended for indexing cuvets. 18 · Press "Read" functional key and keep it pressed to take continuous readings. The display will show "READ" in the left side and blinking dashes. The dashes and lamp icon will appear during different measurement phases. The first value is displayed after 10 seconds and then a new reading is displayed each second as long as the "Read" functional key is kept pressed. When a new value is displayed, the measurement value will briefly blink. The last value remains on the display after the "Read" functional key is released. AVERAGED MEASUREMENT This measurement mode is useful when samples that cause unstable readings are analyzed. By averaging several readings, noise effect is reduced and accurate measurements can be taken. This mode can also be selected when high accuracy measurements are needed. In the average mode 10 measurements are averaged in a short period of time (about 20 seconds). To use the averaged reading mode first enter setup and enable the Average reading mode. The "AVG" text will be displayed in the left side of the screen. · Press "Read" functional key to take the measurement. The display will show "READ" in the left side and blinking dashes. The icon for lamp will appear during different measurement phases. The first value is displayed after 10 seconds and then a new average of the available readings is displayed each second. When a new value is displayed, the measurement value will blink briefly. The last averaged value remains on the display at the end of the measurement. HI 88703 automatically selects the correct turbidity range to display the results with the highest accuracy. If the measured value is higher than 4000 NTU (980 EBC or 26800 Nephelos), the display will show the maximum value blinking and the message "Out of range" on the message line. UNITS CHANGE To change the units, simply press the "Unit" functional key when a measurement is available. [. . . ] 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. To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of purchase. RECOMMENDATIONS FOR USERS Before using this product, make sure that it is entirely suitable for your specific application and for the environment in which it is used. [. . . ]