Hanna Instruments HI84531U-01
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The HI84531U-01 is an easy to use, fast and affordable automatic mini titrator designed for testing titratable alkalinity levels in water. Based on an acid base titration method, this mini titrator uses an optimized pre-programmed method of analysis with a powerful algorithm that determines the completion of the titration reaction by the use of a glass body pH electrode. The HI84531U-01 incorporates a precision piston style dosing pump that adjusts the volume of dosing dynamically based on the voltage change. This dosing system reduces the amount of time required for the titration while providing for a highly accurate determination of the amount of titrant used. This mini titrator is supplied complete with all the materials necessary to perform low and high range measurements of alkalinity in water. All chemicals are premixed and prepackaged including standardized titrants, reagents and pump calibration solution. There is no need for volumetric glassware or analytical balances.
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Specifications
| Catalog Number | HI84531U-01 |
| Range | Low Range: 30.0 to 400.0 mg/L; 0.6 to 8.0 meq/L High Range: 300 to 4000 mg/L; 6.0 to 80.0 meq/L |
| Resolution | Low Range: 0.1 mg/L (ppm); 0.1 meq/L High Range: 1 mg/L (ppm); 0.1 meq/L |
| Accuracy (@25ºC/77ºF) | Low Range: ±1 mg/L or 3% of reading, whichever is greater High Range: ±10 mg/L or 3% of reading, whichever is greater |
| Sample Volume | 50 mL |
| Methods | acid-base titration (strong alkalinity/total alkalinity) |
| Principle | endpoint titration: 8.30 pH (phenolphthalein) / 4.50 pH (bromcresol green-methyl red) |
| Pump Speed | 10 mL/min |
| Stirring Speed | 600 rpm |
| pH Range | -2.0 to 16.0 pH; -2.00 to 16.00 pH |
| pH Resolution | 0.1 pH / 0.01 pH |
| pH Accuracy (@25ºC/77ºF) | ±0.01 pH |
| pH Calibration | one, two or three-point calibration; four available buffers (4.01, 7.01, 8.30, 10.01) |
| Temperature Compensation | manual or automatic |
| mV Range | -2000.0 to 2000.0 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy (@25ºC/77ºF) | ±1.0 mV |
| Temperature Range | -20.0 to 120.0°C; -4.0 to 248.0°F; 253.2 to 393.2 K |
| Temperature Resolution | 0.1°C; 0.1°F; 0.1K |
| Temperature Accuracy (@25ºC/77ºF) | ±0.4°C; ±0.8°F; ±0.4 K |
| Logging Data | up to 400 ( 200 titrations, 200 pH/mV readings) |
| Electrode | HI1131B glass body, refillable, with BNC connector and 1 m (3.3’) cable (included) |
| Temperature Probe | HI7662-T stainless steel temperature probe with 1 m (3.3’) cable (included) |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing |
| Power Supply | 12 VDC adapter (included) |
| Dimensions | 235 x 200 x 150 mm (9.2 x 7.9 x 5.9”) |
| Weight | 1.9 kg (67.0 oz.) |
| Ordering Information | HI84531 is supplied with HI1131B pH electrode, HI7662-M temperature probe, HI84531-50 low range titrant (120 mL), HI84531-51 high range titrant (120 mL), HI84531-55 calibration standard (230 mL), 100 mL beakers (2), dosing pump valve, 5 mL syringe, 2000 L automatic pipette with two plastic tips, tube set (aspiration tube with titrant bottle cap and dispensing tube with tip), stir bar, power adapter, instruction manual and quality certificate. |
| Warranty | 2 years |
