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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: Low Range: 10 mL; High Range: 2 mL
Methods acid-base titration (strong alkalinity/total alkalinity)
Principle: ndpoint 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 cable (included)
Temperature Probe: HI7662-T stainless steel temperature probe with 1 m 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: HI84531-02 (230V) is supplied with HI1131B pH electrode, HI7662-M temperature probe, HI84531-50 low range titrant (120 mL), HI84531-51 high range titrant (120 mL), HI84530-55 calibration standard (230 mL), 100 mL beakers (2), dosing pump valve, 5 mL syringe, 1 mL plastic pipette, tube set (aspiration tube with titrant bottle cap and dispensing tube with tip), stir bar, power adapter, instruction manual and quality certificate.
