Hanna Instruments HI 755 Instruction Manual

Also see for HI 755: Instruction manual User manual

Marine AlkalinityDear Customer,Thank you for choosing a Hanna Instruments Product.Please read this instruction manual carefully before using the instrument. If you needadditional technical information, do not hesitate to e-mail us at tech@hannainst.com.Preliminary examination:Please examine this product carefully. Make sure that the instrument is not damaged. Ifany damage occured during shipment, please notify your Dealer.Each HI 755 meter is supplied complete with:• Two Sample Cuvettes and Caps• 1 bottle of Alkalinity Liquid Reagent• 1 mL syringe with tip• 1 x 1.5V AAA Battery• Instruction ManualHI 755Technical specifications:Range 0 to 300 ppmResolution 1 ppmAccuracy ±5% of reading ±5 ppm @ 25°CTypical EMC Dev. ±1 ppmLight Source Light Emitting Diode @ 610 nmLight Detector Silicon PhotocellMethod Colorimetric method. The reaction causes a distinctiverange of colors from yellow to green to greenish blue todevelop.Environment 0 to 50°C (32 to 122°F);max 95% RH non-condensingBattery Type 1 x 1.5V AAAAuto-Shut off After 10 minutes of non-use.Dimensions 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)Weight 64 g (2.25 oz.).Functional description:Errors and warnings:Light High: There is too much light to perform a measurement.Please check the preparation of the zero cuvette.Light Low: There is not enough light to perform a measurement.Please check the preparation of the zero cuvette.Inverted cuvettes: The sample and the zero cuvette are inverted.Under range: A blinking “0” indicates that the sample absorbs lesslight than the zero reference. Check the procedure and make sure youuse the same cuvette for reference (zero) and measurement.Over Range: A flashing value of the maximum concentration indicatesthe reading is over range. Dilute the sample and re-run the test.Battery low: The battery must be replaced soon.Dead battery: This indicates that the battery is dead and must bereplaced. Once this indication is displayed, normal operation of theinstrument will be interrupted. Change the battery and restart themeter.1. Dust cover.2. Cuvette with cap.3. Cuvette holder.4. Liquid Crystal Display.5. ButtonFor more details about spare parts and accessoriessee “Accessories”.www. .com information@itm.com1.800.561.8187

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