Specifications
| Measurement range -pH | -2.0 to 20.0 pH；-2.0 to 20.00；-2.000 to 20.000 pH |
| Resolution-pH | 0.1 pH ；0.01 pH；0.001 pH |
| Measurement Accuracy -pH | ±0.1 pH；±0.01 pH；±0.002 pH±1 LSD |
| Calibrated mode -pH | Up to five-point acidity pH automatically recognizes the calibrate and five user-defined calibrates with eight built-in acidity standard calibrate points (1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45 pH) |
| Temperature compensation -pH | Automatic or manual temperature compensation, -20.0 to 120.0 ℃, -4.0 to 248.0 ° F, 253.15 to 393.15K |
| Measurement range -ORP | ±2000.0 mV |
| Resolution - ORP | 0.1 mV |
| Measurement Accuracy - ORP | ±0.2 mV ±1 LSD |
| Measurement range -ISE | --- |
| Resolution-ISE | --- |
| Measurement Accuracy - ISE | --- |
| Calibrated mode - ISE | --- |
| Temperature Measurement Range | -20.0 to 120.0 ℃、-4.0 to 248.0 ℉、253.15 to 393.15K |
| temperature resolution | 0.1℃、0.1℉、0.1K |
| Temperature measurement Accuracy | +/- 0.2 ℃、 +/- 0.4 ℉、 +/- 0.2K (ignoring probe error) |
| EC range | 0.000 to 9.999 μS/cm；10.00 to 99.99μS/cm；100.0 to 999.9μS/cm；1.000 to 9.999 mS/cm；10.00 to 99.99 mS/cm；100.0 to 1000.0 mS/cm 自动量程转换 |
| Resolution-EC | 0.001 μS/cm；0.01 μS/cm；0.1 μS/cm；0.001 mS/cm；0.01mS/cm；0.1 mS/cm |
| Calibrated mode - EC | Single point calibrated |
| Conductivity Detector constant -EC | 0.0500 to 200.00/cm |
| Calibrated mode - EC | Automatic identification of calibrated points, user single-point/multi-point custom calibrated; calibrated expiration reminder; |
| Temperature compensation -EC | Coefficients 0.00 to 10.00%/℃; linear, non-linear and uncompensated modes |
| Miscellaneous Indicators EC | Up to 10 set files, 5/channel; USP compliant |
| TDS range | 0.000 to 9.999、10.00 to 99.99、100.0 to 999.9 mg/L（ppm）；1.000 to 9.999、10.00 to 99.99、100.0 to 400.0 g/L（ppt）；TDS转换系数：1.00 |
| Resolution-TDS | 0.001、0.01、0.1 mg/L（ppm）、0.001、0.01、0.1 g/L（ppt） |
| Measurement Accuracy - TDS | ±1 %（±0.01 mg/L) |
| Measurement range - Electrical resistivity | 1.0 to 99.9、 100 to 999 Ohms ·cm；1.00 to 9.99、10.0 to 99.9、100 to 999 KOhms·cm；1.00 to 9.99、10.0 to 100.0 MOhms·cm；自动量程转换 |
| Resolution - Electrical resistivity | 0.1、1.0 Ohms·cm；0.01、0.1、1KOhms ·cm；0.01、0.1 MOhms·cm |
| Measurement Accuracy - Electrical resistivity | +/- 2 %（ +/- 1 Ohms · cm), whichever is the largest, ignoring the probe error |
| Salinity range | Actual salinity: 0.00 to 42.00 PSU; Seawater salinity: 0.00 to 80.00 ppt (g/L); salinity: 0.0 to 400.0% NaCI |
| Salinity resolution | 0.1%, 0.01 ppt (actual salinity, seawater salinity) |
| Salinity measurement Accuracy | Reading +/- 1% |
| Salinity calibrated mode | Single point mode (HI7037 salinity 100% calibrated solution can be used) |
| input channel | 1 pH/ORP+1EC |
| GLP function | Conductivity Detector constants, reference temperatures, temperature compensation coefficients, calibrating point settings, time, date, and more |
| Data storage | USB interface, manual storage of 100 groups, 50,000 data/group; 100,000 data/channel; storage type: automatic, manual, destination lock; storage interval: 1 second-80 minutes can be set; additional: 200 USP reports; 200 ISE Method of addition reports (HI5522 only) |
| display mode | Color display (LCD). With on-screen help, user confirmation, etc |
| Power mode | 230AC/12VDC power adapter |
| Operating Environment | 0 to 50℃（32 to 122 ℉），RH max 55% |
| Size Weight | Host size: 160x231x94 mm, host Weight: 1.2Kg |
Packing list
machine X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/45295/Specification.html , which is only used by users who purchase commodities from the NBCHAO.