The HI 96724 measures the free and total chlorine content in water samples in the 0.00 to 5.00 mg/L (ppm) range. The method is an adaptation of the USEPA Method 330.5 for wastewater, and Standard Method 4500-CL G for drinking water.
The HI 96724 incorporates an advanced optical system based on a special tungsten lamp and a narrow band interference filter that allows the most accurate and repeatable readings. The instrument is factory calibrated and the electronic and optical design minimizes the need of frequent calibration.
The meter uses an exclusive positive-locking system to ensure that the cuvette is in the same place every time it is placed into the measurement cell.
The cuvette has a very important role because it is an optical element and thus requires particular attention. It is important that both the measurement and calibration (zeroing) cuvettes, are optically identical to provide the same measuring conditions.
This photometer has been designed to be used with liquid reagents. Free and total chlorine parameters can be switched between depending on procedure and reagents.
Hanna Instruments Free and Total Chlorine Portable Photometer Kit
#Grup produk P107664929
Spesifikasi
| Display | 128x64 pixel B/W LCD with backlight |
|---|---|
| Logging Memory | 50 measurement |
| GLP | Date, time of last calibration |
| Environment Temperature (°C) | 0 to 50 (32 to 122°F); relative humidity: 100% (IP 67, floating case) |
| Dimensions (mm) | 192x104x69 |
| Automatic Shut-off | After 10 minutes of non-use in measuring mode; after 1 hour of non-use in calibration mode |
| Bandpass Filter Bandwidth (nm) | 8 |
| Bandpass Filter Wavelength Accuracy (nm) | ±1.0 |
| Battery Type/Life | 9V battery |
| Chlorine Method | Adaptation of the EPA 330.5 DPD method |
| Cuvette Type | Round, 24.6 mm diameter (22 mm inside) |
| Free Chlorine Accuracy (mg/L) | ±0.03 ±3% of reading |
| Free Chlorine Range (mg/L) | 0.00 to 5.00 (as Cl2 |
| Free Chlorine Resolution (mg/L) | 0.01 |
| Photometer/Colorimeter Light Detector | Silicon photocell with narrow band interference filter @ 525 nm |
| Photometer/Colorimeter Light Source | Tungsten lamp |
| Total Chlorine Accuracy (mg/L) | ±0.03 ±3% of reading |
| Total Chlorine Range (mg/L) | 0.00 to 5.00 (as Cl2 |
| Total Chlorine Resolution (mg/L) | 0.01 |
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