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E-mail
348933931@qq.com
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Phone
18017242729
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Address
Room 310, 4289 Hongmei South Road, Minhang District, Shanghai
Shanghai Hengfang Scientific Instrument Co., Ltd
348933931@qq.com
18017242729
Room 310, 4289 Hongmei South Road, Minhang District, Shanghai
Hannawell-designedCAL Check ™The function allows for performance validation and calibration of instruments using NIST traceable standards, with multiple measurement methods available. Users can choose to use powder or water reagents, and a built-in reaction timer ensures consistency between sample measurements and user results, adhering to good laboratory practices(GLP)Display the date and time of recent user calibration, battery status indicator light, and automatic shutdown settings.
Technical parameters:
| model | HI 96733 |
| range | 0.0 to 50.0 mg/L NH4 |
| resolution | 0.01 mg/L |
| accuracy | ± 0.5mg/L @ Reading ± 5% |
| optical system | Tungsten lamp light source, narrowband filter @ 420nm, silicon photovoltaic cell photodetector |
| Calibration function | CAL CHECK single point automatic calibration function |
| Power supply mode | 1 x 9V battery |
| Usage environment | 0 to 50°C(32 to 122°F); RH max 95% non condensing |
| Dimension | 192 x 102 x 67 mm; 290 g |
| measuring method | ASTM D1426-93, Nessler's reagent colorimetric method. Ammonia nitrogen reacts with reagents to produce a light yellow color |
| HI 93703-50 | Glass colorimetric dish cleaning solution, 500 mL |
| HI 731318 | Color dish cleaning cloth, 4 pieces per group |
| HI 731333 | Glass colorimetric dish (cup+lid), packaging: 4 pieces/set |
| HI 93733-01 | Ammonia nitrogen (NH3-N) reagent, applicable range: 0.0 to 50.0 mg/L NH3-N, type: water agent, prediction frequency: 100 times |
| HI 93733-03 | Ammonia nitrogen (NH3-N) reagent, applicable range: 0.0 to 50.0 mg/L NH3-N, type: water agent, prediction times: 300 times |
| HI 96733-11 | Ammonia nitrogen HR calibration group, colorimetric dish packaging |