Description
Overview
GAOTek High accuracy pH Meter is a research-grade benchtop multiparameter meter that is designed for laboratory professionals, offering long-term reliability in high-accuracy pH/mV (ORP)/conductivity/TDS/salinity/resistivity measurement. The meter is rich in features including dual-channel simultaneous pH/conductivity measurements, comprehensive GLP data logging, data export to printer or PC, calibration password protection, buffer organizers, self-diagnosis, i-Guidance, and many more while retaining simplicity in use.
Features
- An advanced yet intuitive user interface
- Plain language and graphic screen prompts
- Does not require tedious manual reading or training to operate
- Dual-channel Simultaneous measurement of pH/mV
- Conductivity/TDS/salinity/resistivity
- Multi-language supports English, German, Spanish, and Chinese
- Manual/Auto. data logger
- 1000 groups of storage
- Comprehensive GLP data input
- Includes electrode ID, user ID, sample ID
- Company name, and calibration password for data protection
- USB Data export to PC for further analysis
- A pin-type mini printer for instant report
- i-Guide is always available through the “i” key
- Clear tutorial messages and directions are available on-screen
- Quickly and easily guide users through setup and calibration
- Comes with Test Bench that incorporates a flexible electrode holder
- An intelligent magnetic stirrer
- Buffer organizers altogether
- Streamlining the process of measurement and calibration
Technical Specifications
| pH Measuring Range | -2 pH to 20 pH |
| pH Resolution | 0.1 pH or 0.01 pH or 0.001 pH |
| pH Accuracy | ±0.002 pH ±1 digit |
| pH Calibration Point | 1 point to 5 points automatic |
| pH Buffer | USA, NIST, CH, and User-Define |
| mV Measuring Range | ±2000.0 mV |
| mV Resolution | 0.1 mV or 1 mV |
| mV Accuracy | ±0.03% F.S ±digit |
| Conductivity Range | 0 mS/cm to 2000 mS/cm |
| Conductivity Resolution | 0.01 µS or 0.1 µS or 1 µS, 0.01 mS or 0.1 mS or 1 mS |
| Conductivity Accuracy | ±0.5% F.S ±1 digit |
| Conductivity Electrode Constant | 0.1 cm-1 or 1.0 cm-1 or 10.0 cm-1 |
| Conductivity Calibration | 1 point to 4-point automatic |
| Conductivity Calibration Standard | USA/CH/User |
| TDS Range | 0.1 mg/1 to 500 g/l |
| TDS Coefficient | 0.40 to 1.00 |
| Salinity Range | 0 ppt to 100 ppt |
| Resistivity Range | 0 MΩ.cm to 20 MΩ.cm |
| Function Display | TFT color display |
| Function Stable Measuring Indication | With smile icon |
| Function Automatic Hold | Yes |
| Function Date And Time | Yes |
| Function Data Storage | 1000 sets |
| Function Timing Storage | Yes |
| Function Self-Diagnosis Information | Yes |
| Function USB Output | Yes |
| Function GLP Print | Yes (printer optional) |
| Function External Keypad | Yes |
| Function Conductivity Electrode Connector | BNC |
| Function Electrode Holder | 606 combination test-bench (with stirrer) |
| Function IP Rating | IP 54 water and dust proof |
| Power | DC 9 V |
| pH Temperature Compensation Range | 32 ℉ to 212 ℉ (0 °C to 100 °C), Automatic or Manual |
| Conductivity Temperature Criterion Temperature | 32 ℉ to 212 ℉ (0 °C to 50 °C), Automatic or Manual |
| Conductivity Temperature Compensation Coefficient | 32 %℉ to 50 %℉ (0 %/°C to 10.00 %/°C) |
| Temperature Measuring Range | 32 ℉ to 212 ℉ (0 °C to 100 °C) |
| Temperature Resolution | 32.18 ℉ (0.1 °C); 0.1 ℉ or 1 ℉ (-17.7 °C to -17.2 °C) |
| Temperature Accuracy | 32.9 ℉ (±0.5 °C) ±1 digit; ± 0.9 ℉ (-17.3 °C) ±1 digit |
| Dimension | 14.17 in x 6.49 in x 15.75 in (360 mm x 165 mm x 400 mm) |
| Weight | 2.75 lb. (1.25 kg) |