Labman
Water Hardness Meter for Ion Concentration Analysis LMHD60
Water Hardness Meter for Ion Concentration Analysis LMHD60
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Water Hardness Meter LMHD60 is a precision laboratory instrument designed for accurate water hardness and ion concentration analysis in environmental, industrial, research, and water treatment applications. The system supports advanced ion-selective electrode measurement methods for reliable determination of hardness concentration across a wide measurement range.
The instrument features a 7-inch TFT display with user-friendly operation and supports 2 to 5-point calibration for both water hardness and ion concentration analysis. Multiple selectable concentration units including mg/L, ppm, mol/L, and mmol/L provide flexibility for various laboratory testing standards and analytical requirements.
LMHD60 supports multiple ion measurement modes including direct reading, known addition, known subtraction, sample addition, and sample subtraction methods. Electrode management capability allows storage and recall of up to three electrode slopes for improved calibration consistency and operational efficiency.
Automatic temperature compensation ensures accurate measurements over varying sample conditions, while auto-read functionality locks stable measurement endpoints for simplified data recording. The system also includes calibration due reminders, password protection, stability selection, and real-time clock stamping for GLP-compliant workflows.
A large internal memory stores up to 1000 data sets, and interval reading data can be transferred to external systems or printers for documentation and reporting purposes. An optional thermal printer is available for direct report printing.
LMHD60 is suitable for water quality laboratories, industrial water testing, environmental monitoring, chemical analysis, educational institutions, and research laboratories requiring precise hardness and ion concentration measurement.
Key Features
Water hardness and ion concentration measurement
7-inch TFT color display
2 to 5-point calibration capability
Multiple concentration units including ppm, mg/L, mol/L, and mmol/L
Automatic temperature compensation
Selectable ion measurement methods
Electrode slope storage and recall function
Auto-read endpoint detection
Password protection and calibration reminder
Memory storage for up to 1000 data sets
Data transfer and optional thermal printer support
Suitable for laboratory and industrial water analysis
Technical Specifications
| Parameter | Specification |
|---|---|
| Water Hardness Range | 0.05 to 200 mmol/L |
| Water Hardness Accuracy | ±1% F.S. |
| Water Hardness Resolution | 0.001, 0.01, 0.1, 1 |
| Water Hardness Calibration | 2 to 5 Points |
| Water Hardness Calibration Options | 0.01 / 0.1 / 1 / 10 / 100 mmol/L |
| Ion Range | 0.001–30000 mmol/L |
| Ion Accuracy | ±0.5% F.S. / ±1% F.S. |
| Ion Resolution | 0.001, 0.01, 0.1, 1 |
| Ion Calibration | 2 to 5 Points |
| Ion Calibration Options | 0.001 / 0.01 / 0.1 / 1 / 10 / 100 / 1000 / 10000 mmol/L |
| Measurement Units | ppm, mg/L, mol/L, mmol/L |
| Temperature Range | 0–105°C |
| Temperature Accuracy | ±0.5°C |
| Temperature Resolution | 0.1°C |
| Temperature Compensation | Automatic or Manual |
| Stability Modes | Standard or High Accuracy |
| Calibration Due Alarm | 1 to 31 Days or Off |
| Password Protection | Yes, 4 Digits |
| Memory | 1000 Data Sets |
| Connector | BNC |
| Display | 7-inch TFT LCD |
| Power Supply | DC12V, AC 220V / 50Hz |
| Dimensions (L×W×H) | 310 × 250 × 190 mm |
| Weight | 2 kg |
Applications
Water hardness testing
Industrial water analysis
Environmental monitoring laboratories
Boiler and cooling water testing
Chemical and research laboratories
Educational institutions
Water treatment facilities
Ion concentration analysis
