LH-C660 Portable COD, Ammonia Nitrogen, Total Phosphorus, and Total Nitrogen Analyzer, 0-15000 mg/L (CAT#: STEM-AL-3978-ZJF)

LH-C660 Portable COD, Ammonia Nitrogen, Total Phosphorus, and Total Nitrogen Analyzer is designed for laboratory or field measurement of COD, ammonia nitrogen, total phosphorus, and total nitrogen. The instrument applies the documented analytical principle to convert sample response into a numerical result. The stated measurement range defines the intended concentration or signal window. Electronic control manages measurement, calculation, and display functions. The user interface provides direct access to operating parameters and results. Stored methods, calibration functions, or data memory are available where documented. The sample holder, probe, or optical cell accommodates the specified measurement workflow. Power and enclosure features support the stated laboratory or portable configuration. The instrument supports repeatable water-quality analysis within the documented operating limits.

Measured Parameters: COD, ammonia nitrogen, total phosphorus, and total nitrogen
Measurement Range: 0-15000 mg/L
Detection Range: 0-15000mg/L(segmented)
Digestion Temperature: 165 °C,20 min
Measurement Method: dichromate photometry
Wavelength: 420nm/520nm/620nm
Weight: 280 g(including battery)
Dimensions: 90mm*70mm*125mm
Battery Life: 30 h or more
Power Supply: AC(220V±5%)50Hz
Ambient Temperature: 0-50 °C
Ambient Humidity: ≤80%non-condensing

Digital display presents measurement results
Electronic control supports repeatable operation
Calibration functions support measurement verification
Compact configuration suits laboratory or field work
Documented analytical method targets the stated parameter
Operating range is defined for the application
Data or result functions support routine water-quality testing