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PH
Range: -2.0 ~20.0 pH; -2.00 ~ 20.00 pH; -2,000 ~ 20,000 pH
Resolution: 0.1pH/0.01 pH/0.001 pH
Accuracy: ±0.1 pH/±0.01 pH/±0.002 pH (±1 LSD)
ORP
Range: ±2000 mV
Resolution: 1 mV/0.1 mV
Accuracy: ±0.2 mV ±1 LSD
Temperature
Range: -20.0 to 120.0 °C/-4.0 to 248.0 °F/253.0 to 393.0 K
Resolution: 0.1 °C / 0.1 °F / 0.1 K
Accuracy: ±0.2 °C / ±0.4 °F / ±0.2 K
Measuring mode: Direct, Direct/Auto-Hold
Sampling rate: 1000 ms
pH Calibration points: Up to 5
ORP electrode: Any BNC port (purchased separately when ORP measurement is required)
Temperature compensation: Automatic or manual
Data logging: Auto, manual or auto hold
Number of records: Up to 50,000 copies/file. Store at least 1,000,000 data points per user
Automatic recording time: 1, 2, 5, 10, 30 seconds/1, 2, 5, 10, 30, 60, 120, 150, 180 minutes
File format: .csv
USB-A connection: 2 ports for keyboard or USB thumb drive
USB-C connection: 1 port for PC connection and USB-C type thumb drive
Wifi and Ethernet: FTP/Web Server: Log transfer and download/Email
Connecting peripherals: RS232
Power supply: DC adapter 100-240AC to 24VDC 2.5A
Environment: 0 - 50 °C / 32 - 122 °F / 273 - 323 K maximum 95% RH non-condensing
Dimensions: 205 x 160 x 77 mm
Weight: 1.2 Kg
HI6221 is supplied with HI1131B pH electrode; HI7662-TW temperature probe; pH calibration starter kit consisting of: pH 4.01 buffer solutionsachet (2 pcs.); pH 7.01 buffer solution sachet (4 pcs.); pH 10.01 buffer solution sachet (2 pcs.); HI700601 electrode cleaning solution sachet (2 pcs.); HI7082 3.5M KCl electrolyte solution (30 mL); HI764060 electrode holder; capillary pipette; 24 VDC power adapter; USB-C to USB-A cable; quick reference guide with instrument quality certificate.
