Hanna Instruments HI 98311 Instruction Manual

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w w w . h a n n a i n s t . c o mWARRANTYHI 98311 and HI 98312 are warranted for oneyear against defects in workmanship and materialswhen used for their intended purpose and maintainedaccording to instructions. The probe is warrantedfor a period of six months. This warranty is limitedto repair or replacement free of charge.Damages due to accident, misuse, tampering or lackof prescribed maintenance are not covered.If service is required, contact the dealer from whomyou purchased the instrument. If under warranty,report the model number, date of purchase, serialnumber and the nature of the failure. If the repair isnot covered by the warranty, you will be notified ofthe charges incurred. If the instrument is to be re-turned to Hanna Instruments, first obtain a ReturnedGoods Authorization Number from the CustomerService department and then send it with shipmentcosts prepaid. When shipping any instrument, makesure it is properly packaged for complete protection.All rights are reserved. Reproduction in whole or inpart is prohibited without the written consent of thecopyright owner, Hanna Instruments.Instruction ManualHI 98311 • HI 98312WaterproofEC/TDS/Temperature TestersRemove the instrument from the packing material andexamine it carefully. If any damage has occurredduring shipment, immediately notify your Dealer orthe nearest Hanna Customer Service Center.Each meter is supplied with:• HI 73311 EC/TDS probe• HI 73128 probe removal tool• batteries (4 x 1.5V) and instructionsNote: Conserve all packing material until the instru-ment has been observed to function correctly.Any defective item must be returned in itsoriginal packing.PRELIMINARY EXAMINATIONHI 98311 and HI 98312 are waterproof EC/TDS andtemperature meters. The housing has been completelysealed against humidity and designed to float.All EC/TDS readings are automatically temperaturecompensated (ATC), and temperature values can bedisplayed in °C or °F units.The EC/TDS conversion factor (CONV) is selectable bythe user, as well as the temperature compensationcoefficient β (BETA).The meters can be calibrated at one point.Measurements are highly accurate with a uniquestability indicator right on the LCD.A low battery symbol warns the user when the batter-ies are to be replaced. In addition the Battery ErrorPrevention System (BEPS) avoids erroneous readingcaused by low voltage level by turning the meter off.The HI 73311 EC/TDS probe, supplied with themeter, is interchangeable and can be easily replacedby the user.The stainless steel encapsulated temperature sensorfacilitates faster and more accurate temperature mea-surement and compensation.GENERAL DESCRIPTIONFUNCTIONAL DESCRIPTIONRecommendations for UsersBefore using this product, make sure that it is entirely suit-able for the environment in which it is used. Operation ofthis instrument in residential areas could cause unaccept-able interferences to radio and TV equipment.Avoid touching the probes at all times.Any variation introduced by the user to the supplied equip-ment may degrade the instrument’s EMC performance. Toavoid electrical shock, do not use this instrument when volt-ages at the measurement surface exceed 24 Vac or 60 Vdc.To avoid damages or burns, do not perform any measure-ment in microwave ovens.IST98311R3 07/05US DESIGN PATENTD462,0241. Battery compartment2. Liquid Crystal Display (LCD)3. ON/OFF/MODE button4. HI 73311 EC/TDS probe5. Temperature sensor6. SET/HOLD button1. Automatic temperature compensation indicator2. Stability indicator3. Battery life percentage indicator4. Low battery indicator5. Secondary display6. Primary display7. Measuring units for primary displaySPECIFICATIONSRangeR esol utio nA c c u r a c y( @ 2 0 ° C / 6 8 ° F )Typical EMCDeviationTemperatureCompensationE n vironm entTDS FactorC a l i b r a t i o nC a l . S o l u t i o n sHI 98311:HI 98312:Probe (included)Battery Type/LifeA u t o - o f fD i m e n s i o n sW e i g h t0.0 to 60.0°C / 32.0 to 140.0°F0 to 3999 μS/cm (HI 98311)0.00 to 20.00 mS/cm (HI 98312)0 to 2000 ppm (HI 98311)0.00 to 10.00 ppt (HI 98312)0.1°C / 0.1°F1 μS/cm ; 1 ppm (HI 98311)0.01 mS/cm ; 0.01 ppt (HI 98312)±0.5°C / ±1°F±2% f.s. (EC/TDS)±0.5°C / ±1°F±2% f.s. (EC/TDS)Automatic, with β=0.0 to 2.4%/ºC0 to 50°C (32 to 122°F); RH 100%0.45 to 1.00 (CONV)Automatic, 1 pointHI7031 (1413 μS/cm)HI7032 (1382 ppm; CONV=0.5)HI70442 (1500 ppm; CONV=0.7)HI7030 (12.88 mS/cm)HI70038 (6.44 ppt; CONV=0.5or 9.02 ppt; CONV=0.7)HI 73311 EC/TDS probe4 x 1.5V with BEPS/approx. 100 hoursAfter 8 minutes of non-use163 x 40 x 26 mm (6.4 x 1.6 x 1.0”)100 g (3.5 oz.)Hanna Instruments reserves the right to modify the design, con-struction and appearance of its products without advance notice.Dear Customer,Thank you for choosing a Hanna product.This manual will provide you with the necessaryinformation for a correct operation. Please read itcarefully before using the meter.If you need additional technical information, do nothesitate to e-mail us at tech@hannainst.com.These instruments are in compliance with thedirectives.

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