Related Manuals for Hanna Instruments HI 93703
Summary of Contents for Hanna Instruments HI 93703
- Page 1 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Instruction Manual HI 93703 Portable Microprocessor Turbidity Meter...
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Page 2: Table Of Contents
• 2 glass cuvets with caps This instrument is in compliance with the • Batteries (4 x 1.5V AA) and instructions directives. • HI 93703-0 & HI 93703-10 cal. solutions • HI 93703-50 cleaning solution • Tissue for wiping cuvets • Rugged carrying case Note: Save all packing material until you are sure that the meter functions correctly. -
Page 3: Principle Of Operation
In addition, HI 93703 is the first por- in the sample. The microprocessor converts table turbidity meter that allows to store the such readings into FTU* values. -
Page 4: Functional Description
FUNCTIONAL DESCRIPTION SPECIFICATIONS Range 0.00 to 50.00 FTU * 50 to 1000 FTU * Resolution 0.01 and 1 FTU * Accuracy ±0.5 FTU* or ±5% of reading (whichever is greater) Typical EMC Deviation ±2% FS Calibration 3 point (0, 10 and 500 FTU*) Light Source Infrared LED Light Source Life... -
Page 5: Operational Guide
• Wipe the cuvette thor- OPERATIONAL GUIDE oughly with a lint-free tissue (HI 93703-70) To prepare the instrument for taking before inserting into measurements, first install the batteries (see the measurement Battery Replacement section on page 17) and cell. The cuvette then turn the instrument on. -
Page 6: How To Ensure Accurate Measurements
40FTU*) hours (the sample needs to be kept at room temperature prior to the analysis). E.g.: HI 93703 reading = 200 FTU * • To obtain a representative sample, gently, 3000 / 200 = 15 mL (Vos) but thoroughly, mix it before samples are 15 mL (Vos)+85 mL (HI 93703-0) = 100 taken. -
Page 7: Sources Of Interferences
DATE/⇒ key down for few seconds. • The infrared light source used for HI 93703 turbidity meter, according to ISO 7027 Inter- A more frequent check of the instrument is... - Page 8 Now the meter is calibrated and ready for use. solution @10 FTU* Note: If "ERR1" is displayed, the calibration by displaying "10.0". data are maintained • Repeat the same procedure with HI 93703- 10 @ 10FTU * standard solution. * 1 FTU = 1 NTU...
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Page 9: How To Ensure Accurate Calibration
(particles flocculate and liquid down the side of the vial to reduce air settle quickly). Lower concentrations change bubbles (no mixing is required when HI 93703- value within a few days or hours after dilution 0 and HI 93703-10 AMCO-AEPA-1 stan- from stock solutions. -
Page 10: Battery Replacement
Battery replacement must only take place in a BATTERY REPLACEMENT safe area and using the battery types specified in this instruction manual. All components have been selected to mini- mize current drain without compromising func- tionality. To install or replace the batteries, turn the unit off In order to minimize the battery consumption, and unscrew the 2 screws... -
Page 11: Lcd And Error Messages
LCD AND ERROR MESSAGES HI 93703 will display several different LCD "Sample In Progress": messages to help the user throughout all opera- measurement is being per- tions. formed. The meter is in a ready state Low battery: when this mes-... -
Page 12: Accessories
HI the instrument's EMC performance. To avoid electrical shock, do not use this instrument when voltages at the 93703-0 and HI 93703-10 measurement surface exceed 24 Vac or 60 Vdc. calibration solutions, HI 93703- To avoid damages or burns, do not perform any measurement in microwave 50 cuvet cleaning solution, 1 ovens.
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