HI84430
Total Titratable Acidity Titrator
User-friendly interface
Dedicated HELP key
Simple to operate
Log on demand
GLP features
The HI 84430 is an automatic titrator designed for easy, fast and accurate analysis of total titratable acidity in water. Potentiometric endpoint determination, peristaltic titrant delivery and integrated magnetic stirring systems eliminate the error and technique dependent results associated with manual titrations.
The accuracy of the instrument is ensured by performing a peristaltic pump calibration using the provided HANNA standard. The HI 84430 endpoint determination algorithm analyzes the pH vs. volume curve to determine the exact pH endpoint and performs the necessary calculations. The results are displayed in mg/L CaCO3 or meq/L CaCO3 units on the graphic display. Titrations are conducted using the low range reagent (15 to 500 mg/L as CaCO3) or the high range reagent (400 to 4000 mg/L as CaCO3).
An intuitive interface makes the instrument simple to use. A dedicated HELP key guides the user through set-up and calibration sequences, reports instrument status and aids in troubleshooting.
HI 84430 features include: log on demand for up to 100 samples (50 pH measurements, 50 titration results), GLP compliance.
Order Information:
HI 84430-01 (115V) and HI 84430-02 (230V) are supplied with HI 1131B pH electrode, HI 7071 filling solution (30 mL), HI 7662-M temperature probe, HI 84430-50 titrant low range (100 mL), HI 84430-51 titrant high range (100 mL), HI 84430-55 pump calibration solution (230 mL), HI 84430 additional reagent (30 mL), HI 7061 cleaning solution, HI 7001M pH 1.68 buffer solution (230 mL), HI 7004M pH 4.01 buffer solution (230 mL), HI 70083M pH 8.30 buffer solution (230 mL), 100 mL beakers (2), tube set with dispensing tip, medium stir bars (2), 12 VDC adapter, instruction manual and quick reference guide.
Specifications:
Range Titratable Acidity (LR) mg/L (ppm): 15.0 - 500.0 mg/L (ppm) as CaCO3
meq/L: 0.3 - 10.0 meq/L as CaCO3
Titratable Acidity (HR) mg/L (ppm): 400 - 4000 mg/L (ppm) as CaCO3
meq/L: 8 - 80 meq/L as CaCO3
pH -2.0 to 16.0 pH / -2.00 to 16.00 pH
Temperature -20.0 to 120.0 °C (-4.0 to 248.0 °F)
Resolution Titratable Acidity (LR) 0.1 mg/L (ppm); 0.1 meq/L
Titratable Acidity (HR) 1 mg/L (ppm); 1 meq/L
pH 0.1 pH / 0.01 pH
Temperature 0.1 °C
Accuracy
(@25ºC/77ºF) Titratable Acidity (LR) 5% of reading
Titratable Acidity (HR) 5% of reading
pH ± 0.01 pH
Temperature ±0.4 °C without probe error
Titration Method acid-base titration (total acidity / strong acidity)
Titration Principle endpoint titration : 8.30 pH / 3.7 pH
Pump Volume 0.5 mL/min
Stirring Speed 600 rpm
pH Temperature Compensation manual or automatic from -20 to 120 °C (-4 to 248 °F)
Logging Titration up to 50 samples
pH up to 50 samples
pH Calibration one, two or three point calibration; three available buffers (1.68, 4.01; 8.30)
pH Electrode HI 1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable
Temperature Probe HI 7662-M stainless steel temperature probe with 1 m (3.3’) cable (included)
Environment 0 to 50 °C (32 to 122 °F); max 95% RH non-condensing
Power Supply 12 VDC adapter
Dimensions 208 × 214 × 163 mm (8.2 × 8.4 × 6.4”) (with beaker)
Weight 2200 g (77 oz.)
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