Touchscreen Benchtop Combo pH EC TDS Meter for Multiparameter Water Quality Analysis

The L111M08 benchtop combo pH EC TDS meter utilizes a high-resolution touchscreen to measure multiple water parameters efficiently. It supports data logging, USB data export, and optional Bluetooth printing for convenient data management. With comprehensive calibration functions, a universal electrode holder, and specialized temperature compensation curves for accurate analysis of ultra-pure water, makes the L111M08 benchtop multi-parameter water quality meter ideal for labs and water treatment plants.
  • 7-inch high-resolution TFT touchscreen provides intuitive operation and clear visualisation of pH and conductivity results.
  • Multiparameter water quality meter measures pH, EC, and TDS simultaneously for comprehensive water analysis.
  • Universal electrode holder supports flexible positioning and simultaneous use of up to three probes.
  • Stores up to 500 data sets internally, simplifying long-term tracking and reporting of results.
  • Data export via USB flash drive allows easy sharing and integration into quality control documentation.
  • Customizable calibration points with auto-recognition calibration, adjustable TDS factors, reference temperature, and conductivity cell constants enhances accuracy.
  • Specialized temperature compensation curves improve precision for low conductivity samples, ideal for pure water testing.
  • Electrode status alerts indicate timely maintenance needs, reducing unexpected interruptions and maintaining test integrity.
  • Ideal for laboratory, education, water treatment plants, and high-purity water analysis.
ParameterSpecification
pH Measuring Range-2.00 to 20.00 pH
pH Resolution0.01 / 0.01 pH
pH AccuracyMeter: ±0.01 pH 1 digit
pH Stability±0.01 pH / 3H
pH Temp. Compensation Range0 to 100°C (auto/manual)
mV Measuring Range-1999 mV to 0 to 1999 mV
mV Resolution1 mV
mV Accuracy±0.1% FS
Conductivity Measuring Range0.00 to 20.00 μS/cm; 20.0 to 200.0 μS/cm; 200 to 2000 μS/cm; 2.00 to 20.00 mS/cm; 20.0 to 200.0 mS/cm
TDS Measuring Range0 to 100 g/L
Salinity Measuring Range0 to 100 ppt
Resistivity Measuring Range0 to 100 MΩ·cm
Conductivity Resolution0.001 / 0.01 / 0.1 μS/cm, 0.01 / 0.1 mS/cm
Conductivity AccuracyMeter: ±1.0% FS, Full System: ±1.5% FS
Conductivity Temp. Compensation Range0 to 100°C (auto/manual)
Conductivity Cell Constant (K)0.01 / 0.1 / 1 / 10 cm⁻¹
Conductivity Reference Temperature25°C, 20°C, 18°C
Temperature Measuring Range0 to 100°C
Temperature Resolution0.1°C
Temperature Accuracy±0.5°C ±1 digit
Data Storage500 sets
Stored ContentsDate, measurement value, unit, temperature
Power SupplyDC 12V / 1A
Dimensions & WeightInstrument: 195 × 135 × 40 mm / 600 g
Operation Temperature5 to 35°C (Class 0.01)
Humidity≤ 85%
IP RatingIP54 (Dust and Water Resistant)

Specifications are subject to change without prior notice.

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