What does “Err xx” error message displayed on Hanna Instruments HI2550 mean?
The “Err xx” error message indicates an internal error. Try powering off the meter and then powering it back on. If the error persists, contact the vendor.
General| pH Range | -2.00 to 16.00 pH |
|---|---|
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| ORP Range | ±2000 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±1 mV |
| Temperature Resolution | 0.1°C (0.1°F) |
| EC Accuracy | ±1% of reading |
| TDS Accuracy | ±1% of reading |
| Salinity Resolution | 0.01% |
| Salinity Accuracy | ±1% of reading |
| Display | LCD |
| Type | pH/ORP/EC/TDS/Salinity Meter |
| Temperature Range | -20.0 to 120.0 °C |
| Temperature Compensation | Automatic from -20.0 to 120.0 °C |
| Power Supply | 12 VDC adapter |
Initial checks and overall description of the HI2550 meter's capabilities.
Details the components and functions of the front and rear panels.
Technical specifications including measurement ranges, resolutions, and accuracy.
Guidelines for connecting the power adapter and various probes/electrodes.
Step-by-step guide for pH, mV, EC, TDS, NaCl, and temperature measurements.
Using temperature compensation and auto-ranging features for accurate readings.
Detailed steps for pH calibration, including preparation and types.
Procedures for calibrating EC, TDS, NaCl, and relative mV readings.
Using GLP for data storage and the instrument's logging functions.
Configuring instrument settings like time, date, units, and alarms.
Recalibrating temperature/mV sensors and connecting to a PC.
Procedures for electrode care, cleaning, and resolving common issues.
List of available accessories, compliance, and warranty information.
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