Mini Titrator for Measuring Titratable Alkalinity in Water and Wastewater
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On-Screen Features
Easy-to-Use Interface
The HI84531U-01 has an intuitive user design with clearly defined keys and a large screen that is easy to navigate. The meter has a built-in tutorial mode that, when enabled, will walk the user step by step through the titration process. A dedicated HELP key is always available to allow access to content-specific information during both calibration and titration.
Procedure Warnings
Users are warned if there is an error in procedures such as the titration exceeded the maximum volume of titrant.
Graphic Mode
This mini titrator displays in-depth data during titration, including a real-time graph of the titration curve.
Log-on-Demand
The HI84531U-01 allows for data logging of up to 400 samples: 200 titration results and 200 pH/mV readings. Data can be stored and exported to a USB drive or a PC using the USB connection.
pH/mV Meter
In addition to being an automatic titrator, the HI84531U-01 also can be used as a pH/mV meter. As a pH meter, it has many features of a professional grade benchtop including automatic calibration up to three points with four available buffers, a 0.01 pH resolution, an accuracy of ±0.01 pH, automatic temperature compensation and comprehensive GLP data.
CAL Check™
Accuracy is always ensured with Hanna’s unique CAL CheckTM feature, which analyzes the response of the electrode during the calibration process. Based on the electrode response in the buffer, indicators are displayed on the screen to alert the user of potential problems during calibration. These indicators include Buffer Contaminated, Electrode Dirty/Broken, and overall probe condition. The CAL CheckTM function not only ensures an accurate pH reading when the HI84531U-01 is used as a pH meter but also an accurate titration since the endpoint of a titratable alkalinity titration is determined by a set pH value.
Keep extra testing supplies on-hand
Resources
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Specifications
Specification Name Detail sku 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/LResolution Low Range: 0.1 mg/L (ppm); 0.1 meq/L
High Range: 1 mg/L (ppm); 0.1 meq/LAccuracy (@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 greaterSample 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 - Product Manuals
