LH-C660 Portable Ammonia Nitrogen and Total Phosphorus Analyzer, 0-100 mg/L (CAT#: STEM-AL-3974-ZJF)

LH-C660 Portable Ammonia Nitrogen and Total Phosphorus Analyzer is designed for laboratory or field measurement of ammonia nitrogen and total phosphorus. 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 Parameter: ammonia nitrogen and total phosphorus
Measurement Range: 0-100 mg/L
Detection Range: 0-100mg/L
Detection Limit: 0.05mg/L
Digestion Temperature: no digestion
Light Source: LED
Wavelength: 420nm/520nm/620nm
Zero Drift: ≤±0.3%F.S/30 min
Light Source Life: 100,000 h
Filter Life: 5 years
Data Storage: 3000
Battery: 5 1.5V,2
Operating Environment: 0-50 °C,relative humidity0-90%(non-condensing)
Storage Temperature: -10-55 °C

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