HI5221-01 Laboratory Research Grade Benchtop pH/mV Meter with 0.001 pH Resolution

pH Range	-2.0 to 20.0 pH, -2.00 to 20.00 pH, -2.000 to 20.000 pH
pH Resolution	0.1, 0.01, 0.001 pH
pH Accuracy (@25ºC/77ºF)	±0.1 pH, ±0.01 pH, ±0.002 pH ±1 LSD
pH Calibration	automatic, up to five point calibration, eight standard buffers available (1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01,12.45) and five custom buffers
pH Temperature Compensation	automatic or manual from -20.0 to 120.0 °C
mV Range	±2000 mV
mV Resolution	0.1 mV
mV Accuracy	±0.2 mV ±1 LSD
Relative mV Offset Range	±2000 mV

Electrode/Probe	HI1131B glass body pH electrode 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)
GLP	calibration data including date, time, buffers used, offset and slope
Logging	record: 100,000 data point storage, 100 lots with 50,000 records/lot; interval: settable between 1 second and 180 minutes max log time; type: automatic, manual, AutoHold
Input Channels	1 - pH/ORP
Display	color graphic LCD with on-screen help, graphing, and custom color configuration
Connectivity	USB
Environment	0 to 50°C (32 to 122°F; 273 to 323 K), RH max 95% non-condensing
Power Supply	12 VDC adapter (included)
Dimensions	160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)
Weight	1.2 kg (2.64 lbs.)
Ordering Information	HI5221 is supplied with HI1131B pH electrode, HI7662-T temperature probe, HI76404W electrode holder, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700601 electrode cleaning solution sachet (2), HI7082 3.5M KCl electrolyte solution (30 mL), 12 VDC adapter and instructions.