HI83325是一种用于环境实验室或现场的紧凑型多参数光度计。该光度计是最先进的光度计之一，具有创新的光学设计，利用参考检测器和聚焦透镜来消除光源变化和玻璃比色杯缺陷造成的误差。该仪表有9种不同的编程方法，测量8个关键的植物营养水水质参数，还为性能验证和希望开发自己的浓度与吸光度曲线的用户提供了吸光度测量模式。植物营养素的特定参数包括钾、钙和镁。
为了节省宝贵的实验室台面空间，HI83325可兼作专业pH计，其数字pH/温度电极输入。现在，一个仪表既可以用于光度测量，也可以用于pH值测量。
先进的光学系统
台式光度计无与伦比的性能
数字pH电极输入
使用一个既可作为光度计又可作为实验室pH计的仪表，可节省宝贵的工作台空间
| SKU | HI83325-02 |
|---|---|
| Product Name | Nutrient Analysis Photometer - HI83325 |
| Quote Required | Yes |
| pH Measurement Type | potentiometric pH electrode |
| pH Range | -2.00 to 16.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| pH Calibration | Automatic one or two point calibration with one set of standard buffers available (4.01, 6.86, 7.01, 9.18, 10.01) |
| pH Temperature Compensation | Automatic (-5.0 to 100.0 oC; 23.0 to 212.0 oF); limits reduced based on the pH electrode used |
| pH CAL Check (electrode diagnostics) | clean electrode and check buffer/check probe displayed during calibration |
| pH-mV Range | ±1000 mV |
| pH-mV Resolution | 0.1 mV |
| pH-mV Accuracy | ±0.2 mV |
| Absorbance Range | 0.000 to 4.000 Abs |
| Absorbance Resolution | 0.001 Abs |
| Absorbance Accuracy | +/-0.003Abs @ 1.000 Abs |
| Ammonia Range | Low Range |
| Ammonia Resolution | 0.01 mg/L; 0.1 mg/L |
| Ammonia Accuracy | Low Range |
| Ammonia Method | Adaptation of the ASTM Manual of Water and Environmental Technology, D1426-92, Nessler method |
| Calcium Range | Freshwater |
| Calcium Resolution | 1 mg/L |
| Calcium Accuracy | Freshwater |
| Calcium Method | Freshwater |
| Magnesium Range | 0 to 150 mg/L (as Mg2+) |
| Magnesium Resolution | 1 mg/L |
| Magnesium Accuracy | ±5 mg/L ±3% of reading |
| Magnesium Method | Adaptation of the Calmagite method |
| Nitrate Range | 0.0 to 30.0 mg/L (as NO3-- N) |
| Nitrate Resolution | 0.1 mg/L |
| Nitrate Accuracy | ±0.5 mg/L ±10% of reading |
| Nitrate Method | Adaptation of the cadmium reduction method |
| Phosphate Range | Freshwater High range |
| Phosphate Resolution | 0.1 mg/L |
| Phosphate Accuracy | ±1 mg/L ±4% of reading |
| Phosphate Method | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Amino Acid method |
| Potassium Range | 0.0 to 20.0 mg/L (as K) |
| Potassium Resolution | 0.1 mg/L |
| Potassium Accuracy | ±3.0 mg/L ±7% of reading |
| Potassium Method | Adaptation of the Turbidimetric Tetraphenylborate method |
| Sulfate Range | 0 to 150 mg/L (as SO42-) |
| Sulfate Resolution | 1 mg/L |
| Sulfate Accuracy | ±5 mg/L ±3% of reading |
| Sulfate Method | Turbidimetric - Sulfate is precipitated with barium chloride crystals |
| Input Channels | 1 pH electrode input and 3 photometer wavelengths |
| pH Electrode | digital pH electrode (not included) |
| Photometer/Colorimeter Light Source | 3 LEDs with 420 nm, 466 nm, and 525 nm narrow band interference filters |
| Photometer/Colorimeter Light Detector | silicon photodetector |
| Bandpass Filter Bandwidth | 8 nm |
| Bandpass Filter Wavelength Accuracy | ±1 nm |
| Cuvette Type | round, 24.6 mm |
| Number of Methods | 128 max. |
| GLP | calibration data for connected pH electrode |
| Display | 128 x 64 pixel LCD with backlight |
| Logging Type | log on demand with user name and sample ID optional input |
| Logging Memory | 1000 readings |
| Connectivity | USB-A host for flash drive; micro-USB-B for power and computer connectivity |
| Power Supply | 5 VDC USB 2.0 power adapter with USB-A to micro-USB-B cable (included) |
| Battery Type/Life | 3.7 VDC Li-polymer rechargeable battery / >500 photometric measurements or 50 hours of continuous pH measurement |
| Environment | 0 to 50.0 oC (32 to 122.0 oF); 0 to 95% RH, non-condensing |
| Weight | 1.0 kg (2.2 lbs.) |
| Dimensions | 206 x 177 x 97 mm (8.1 x 7.0 x 3.8") |
| Ordering Information | HI83225 is supplied with sample cuvettes and caps (4 ea.), cloth for wiping cuvettes, USB to micro USB cable connector, power adapter and instruction manual. |