Labman
Benchtop pH Meter LMPH15 (Thermal Printer, 5-Point Calibration)
Benchtop pH Meter LMPH15 (Thermal Printer, 5-Point Calibration)
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Benchtop pH Meter with Thermal Printer LMPH15 is a high-precision laboratory instrument designed for accurate pH, ORP, mV, and temperature measurement with integrated printing and advanced data management functionality. The system is suitable for pharmaceutical laboratories, research facilities, environmental testing, water analysis, and industrial quality control applications.
The instrument supports 1 to 5 point calibration with automatic recognition of USA, NIST, DIN, and user-defined buffer standards. Automatic electrode diagnostics continuously monitor electrode slope and zero offset to maintain reliable analytical performance.
The integrated thermal printer enables direct printing of interval readings and measurement reports, improving laboratory documentation and traceability. Built-in real-time clock functionality supports GLP-compliant data records with accurate date and time stamping.
LMPH15 provides both relative and absolute millivolt measurement modes for reliable ORP analysis. Automatic temperature compensation ensures stable and accurate readings across the measurement range, while auto-read endpoint sensing locks stable measured values for improved repeatability.
The system also includes calibration due alarms, password protection for calibration settings, high/low limit alarm functions, and internal memory storage for up to 1000 data sets. A large 7-inch TFT LCD display provides clear visualization of measurement values and operational settings.
Designed for advanced laboratory workflows, the instrument combines high analytical accuracy with integrated reporting and secure data handling capabilities.
Key Features
Integrated thermal printer for direct result printing
1 to 5 point calibration with auto buffer recognition
Supports USA, NIST, DIN, and user-defined buffers
Automatic temperature compensation (ATC)
ORP and mV measurement capability
Automatic electrode diagnostics
Auto-read endpoint sensing function
7-inch TFT LCD display
Password protection for calibration settings
High and low limit alarm system
GLP-compliant real-time clock data stamping
Memory storage for up to 1000 data sets
Relative and absolute mV measurement modes
Suitable for advanced laboratory analysis
Technical Specifications
| Parameter | Specification |
|---|---|
| pH Range | -2.000 to 20.000 pH |
| pH Resolution | 0.001, 0.01 (Selectable) |
| pH Accuracy | ±0.002 pH |
| Calibration Points | Up to 5 Points |
| Buffer Options | USA, NIST, DIN, User Defined |
| mV Range | ±2000 mV |
| mV Accuracy | ±0.2 mV |
| mV Resolution | 0.1 mV |
| Temperature Range | 0°–105°C / 32°–221°F |
| Temperature Accuracy | ±0.5°C / ±0.9°F |
| Temperature Resolution | 0.1°C / 0.1°F |
| Temperature Compensation | Manual / Automatic |
| Input Impedance | <10¹² Ω |
| Stability | 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 | DC Adaptor, AC 220V / 50–60Hz |
| Dimensions (L×W×H) | 330 × 235 × 420 mm |
| Weight | 2 kg |
Applications
Pharmaceutical laboratory analysis
Water and wastewater testing
Environmental monitoring
Chemical and industrial quality control
Research and academic laboratories
ORP and electrochemical analysis
GLP-compliant laboratory documentation
