| SKU | HI981421-01 |
| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy (@25°C/77°F) | ±0.05 pH |
| Temperature Range | 0.0 to 60.0°C / 32.0 to 140.0°F |
| Temperature Resolution | 0.1°C / 0.1°F |
| Temperature Accuracy (@25°C/77°F) | ±0.5°C /±1°F |
| EC Range | 0.00 to 10.00 mS/cm |
| EC Resolution | 0.01 mS/cm |
| EC Accuracy (@25°C/77°F) | ±0.1mS/cm (0.00 to 5.00mS/cm); ±0.2mS/cm (5.00 to 10.00mS/cm) |
| TDS Range | 0 to 5000 ppm (TDS conversion factor 0.5 (500 CF)); 0 to 7000 ppm (TDS conversion factor 0.7 (700 CF)) |
| TDS Resolution | 10 ppm |
| TDS Accuracy (@25°C/77°F) | ±2% F.S. |
| Temperature Compensation | pH: automatic (0.0 to 60.0ºC/ 32.0 to 140.0°); EC: automatic with ? set at 1.9%/°C |
| Calibration | pH calibration at one or two-point calibration (using pH 4.01,7.01, 10.01 buffers) using auto buffer recognition; one-point calibration using quick calibration solution; EC calibration at one-point at 1.41 mS/cm or 5.00 mS/cm using auto standard recognition; one-point calibration using quick calibration solution |
| Log Feature | Automatic logging for last 30 days at 15 minute interval |
| Alarms | High and Low with enable/disable option for all parameters |
| Connectivity | USB Type-C |
| GLP | Good Laboratory Practice with last 5 pH and EC calibration history |
| Power Supply | 12VDC adapter (included) |
| Environment | -5 to 50°C (23 to 122°F); RH max 95% non-condensing |
| Dimensions | 125 x 185 x 38 mm (4.92 x 7.28 x 1.49”) |
| Weight | 333g ( 11.7oz.) |
| Ordering Information | HI981421 is supplied with HI1285-9 multiparameter probe, Quick Cal buffer solution sachets (2), HI700661 electrode cleaning solution sachets for agriculture (2), 12VDC power adapter, quality certificates and instruction manual. |
