HM-FP3A Flame Photometer

Product Introduction

The HM-FP3A flame photometer is a mid-range, three-channel analytical instrument engineered for the simultaneous quantitative determination of potassium (K), sodium (Na), and calcium (Ca) in liquid samples. Building on proven atomic emission spectroscopy technology, the HM-FP3A adds a dedicated calcium detection channel to the traditional K-Na configuration, enabling laboratories to obtain a complete alkali and alkaline earth metal profile from a single sample aspiration — a capability that is particularly valuable in agricultural soil fertility assessment and clinical electrolyte monitoring.

The instrument's 7-inch color capacitive touch LCD provides a modern, responsive interface for method selection, calibration management, and real-time concentration display across all three channels simultaneously. Interference filter-based spectral separation ensures that each element's characteristic emission wavelength is isolated with minimal cross-talk, while high-sensitivity silicon photocells deliver reliable quantification even at low concentration levels. With the built-in air pump and one-touch ignition system, the HM-FP3A operates completely independently of external gas infrastructure, making it an ideal solution for laboratories where space, budget, or infrastructure constraints preclude larger multi-element analyzers.

Data integrity is addressed through the integrated thermal printer for immediate hard-copy documentation and USB drive export for electronic archival and LIMS integration. Whether deployed in an agricultural extension station analyzing soil exchangeable calcium alongside potassium and sodium, or in a clinical laboratory screening patient electrolyte panels, the HM-FP3A delivers reliable three-element results with the simplicity and cost-effectiveness that define the HM Instruments flame photometer product line.

Applications

• Agricultural Soil Fertility Assessment: Simultaneous determination of exchangeable potassium, sodium, and calcium in soil extracts for comprehensive nutrient profiling and fertilizer recommendation
• Clinical Electrolyte Analysis: Measurement of K, Na, and Ca in serum and urine samples for patient electrolyte balance screening
• Environmental Water Quality Monitoring: Multi-element alkali and alkaline earth metal analysis in surface water, groundwater, and wastewater for regulatory compliance
• Plant Tissue Nutrition Studies: Determination of total potassium, sodium, and calcium in plant digests for crop nutrition research and deficiency diagnosis
• Food & Beverage Quality Control: Sodium and calcium content analysis in processed foods, dairy products, and beverages for nutritional labeling compliance
• Geological & Mining Analysis: Alkali and alkaline earth metal quantification in rock leachates and ore processing solutions
• Fertilizer Manufacturing: Verification of K and Ca content in compound and blended fertilizer products for label accuracy

Functional Performance

1. 3-channel simultaneous detection — K, Na, and Ca measured in a single aspiration for complete alkali/alkaline earth profiling
2. 7-inch color capacitive touch LCD — modern, responsive interface with multi-element concentration display
3. High-transmittance interference filters — ultra-low stray-light optics for superior signal-to-noise ratio across all three channels
4. One-touch ignition with built-in air pump — fully self-contained operation, no external gas infrastructure required
5. Self-developed high-performance nebulizer — uniform aerosol generation with sample consumption below 6 mL/min
6. 10-point calibration, 20 curves stored — pre-programmed methods for soil, water, clinical, and plant matrices
7. Segmented, linear, and curve fitting algorithms — optimized concentration calculation for wide dynamic ranges
8. Moisture separator — prevents humidity-induced signal drift in tropical and high-humidity environments
9. Flame-out protection device — automatic gas solenoid valve shutoff on flame extinction for laboratory safety
10. Single-point calibration correction — rapid baseline drift compensation during high-volume batch analysis
11. Built-in thermal printer — immediate hard-copy records for quality management and chain-of-custody documentation
12. USB data export — historical results exported to USB flash drive for LIMS integration and off-site data backup

Main Parameters

Parameter	Specification
Model	HM-FP3A
Test Elements	K, Na, Ca (3 channels)
Spectral Method	Interference filter
Photoelectric Element	Silicon photocell
Operation Interface	7-inch color capacitive touch LCD
Linearity Error	Na < 0.03 mmol/L, K < 0.005 mmol/L, Ca < 0.075 mmol/L
Detection Limit	Na < 0.008 mmol/L, K < 0.004 mmol/L, Ca < 0.050 mmol/L
Stability	≤3% (15s), ≤8% (6 measurements)
Repeatability	≤2%
Response Time	<8s
Sample Aspiration Rate	<6 mL/min
Filter Bandwidth	<15 nm
Calibration Curves	Up to 10 points/curve, 20 curves stored
Print Function	Built-in thermal printer
Data Output	USB drive export
Ignition	One-touch, built-in air pump
Safety	Flame-out protection, moisture separator
Dimensions	460 × 325 × 450 mm
Weight	~10 kg
Power Supply	220V±22V, 50Hz±1Hz, ≤50W

Expert Review

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