SKU | HI6221-01 |
pH Range | -2.0 to 20.0 pH, -2.00 to 20.00 pH, -2.000 to 20.000 pH |
pH Resolution | 0.1 pH, 0.01 pH, 0.001 pH |
pH Accuracy (@25°C/77°F) | ±0.1 pH, ±0.01 pH, ±0.002 pH (±1 LSD) |
pH Calibration | Automatic, semiautomatic, or manual up to five-point calibration with eight standard buffers (1.68–12.45) and five custom buffers |
pH Temperature Compensation | Manual or Automatic |
Temperature Range | 20.0 to 120.0 °C / -4.0 to 248.0 °F / 253.0 to 393.0 K |
Temperature Resolution | 0.1 °C / 0.1 °F / 0.1 K |
Temperature Accuracy | ±0.2 °C / ±0.4 °F / ±0.2 K |
pH Electrode | HI1131B glass body, double junction, refillable |
Temperature Probe | HI7662-TW stainless steel temperature probe |
Power Supply | 100–240 V AC to 24 V DC (2.5 A) adapter |
Environment | 0–50 °C (32–122 °F), max 95% RH (non-condensing) |
Dimensions | 205 x 160 x 77 mm (8.0 x 6.2 x 3.0 in.) |
Weight | Approx. 1.2 kg (2.65 lbs.) |
Ordering Information | HI6221 is supplied with: • HI1131B pH electrode • HI7662-TW temperature probe • pH calibration kit (4.01, 7.01, 10.01 buffers) • Cleaning and electrolyte solutions • Electrode holder, pipette, power adapter, USB cable, and QC certificate |
Warranty | 2 years |