manufacturer/tradename
Hanna HI 4221
mV measuring range
±2000, accuracy: 0.2, resolution: 0.1
pH measuring range
-2.0-20, accuracy: 0.1-0.002, resolution: 0.1-0.001
temperature measuring range
-20-120 °C, accuracy: 0.2 °C, resolution: 0.1 °C
size
160 mm × 231 mm × 94 mm
weight
800 g
General description
- Exclusive Hanna CAL CHECK, five point calibration with standard and custom buffers
- 1 pH/mV input channels
- Calibration check: pH electrode and buffer condition
- Auto endpoint
- Calibration check: pH electrode and buffer condition
- GLP - offset, slope, date, buffers used for calibration at push of a button
- Real time graphing
- USB & RS232 interface
Supplied in kit form, glass body pH electrode, temperature probe, 12 V DC power adapterr, pH 4 & 7 buffer solutions, electrode refilling solution, electrode holder and instructions.
Help in selecting the correct electrode can be viewed at Electrode Selection Guide
Hints on Electrode Maintenance
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