Portable Multi-parameter Water Quality Meter LMPWM-A11 Catalog

Portable Multi-parameter Water Quality Meter LMPWM-A11 is adapted with different modes for measuring quality of water on different parameters such as pH, ORP, conductivity, TDS, salinity. Its memory can store & recalls up to 500 sets of data. Due to its portable design, it is suitable for outdoor measurements i.e. on site water testing, remote area water testing & for research purpose. It is reliable and user friendly.

pH mode	pH measurement range: (-2.000) to 20.000 pH pH accuracy: ± 0.002 pH pH calibration points: 1 - 5 points pH calibration solutions: USA, NIST, DIN or user defined
ORP measurement	ORP measurement range: -1999.9 to 1999.9 mV ORP accuracy: ±0.2 mV ORP calibration points: 1 point ORP calibration solutions: mV & relative mV
Ion measurement	Ion measurement range: Ion accuracy: Ion calibration points: Ion calibration solutions:
Conductivity measurement	Conductivity measurement range: 0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm Conductivity accuracy: ± 0.5 % F.S. Conductivity calibration points: 1 - 5 points Conductivity calibration solutions: 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm Temperature coefficient: 0.0 to 10.0 % / °C Compensation modes: Linear or pre water Cell constant: K = 0.1, 1, 10 or user-defined Normalization temperature: 20 °C or 25 °C
TDS measurement	TDS range: 0 to 100 ppt. (max. 200 ppt., depending on factor setting) TDS accuracy: ± 1 % F.S. TDS factor: 0.1 - 1.0 (default 0.5)
Salinity measurement	Salinity range: 0 to 100 ppt. (max. 80 ppt.) Salinity accuracy: ± 1 % F.S Measurement modes: Seawater or practical salinity
Resistivity	Resistivity range: 0 to 100 Ω Resistivity accuracy: ± 1 % F.S Resistivity resolution: 0.01, 0.1, 1
Dissolved oxygen	DO concentration range: DO accuracy: Calibration points: Pressure correction: Salinity correction: % Saturation of Oxygen: Accuracy:
Temperature compensation	0 to 100 °C, 32 to 212 °F, Manual or Automatic
Stability conditions	Low or high
Calibration due	0 to 31 days
Memory	Stores up to 500 data sets
Output	USB communication interface
Connector
Display
Dimension (L × W × H)	185 × 88 × 32 mm
Weight	300 g
Power supply	3 × 1.5 V “AA batteries or DC 5 V power adapter

• <b>Common Features</b> Calibration due reminder informs operator to calibrate the meter regularly
• Stability indicator displays the status of current measurement
• Auto hold function freezes stable, final readings for better viewing and recording
• Manual temperature calibration to rectify the deviations in temperature
• Automatic temperature compensation for accurate measured value over the entire range
• Selectable temperature units (°C or °F) for different application requirements
• Expanded memory stores and records up to 500 readings
• Help message as an operational guide, helps users for quick access to the parameters
• Reset function automatically resumes all the setting back to factory default options
• Store data is transferrable into computer via USB communication interface
• <b>pH mode</b> 1-5 points push button calibration to automatically identify pH buffer
• Convenient to select pH buffer standard (USA/NIST/DIN) or custom
• Automatic electrode slope display helps operator whether to replace the sensor
• <b>ORP mode</b> 1 point offset calibration to adjust the display value to known standard
• Relative & absolute mV measurements for accurate ORP readings
• <b>Conductivity / TDS / Salinity / Resistivity Mode</b> 1-5 point for calibration with automatically identification of calibration solutions
• Can select cell constant (0.1/1/10) and normalization temperature (20°C or 25°C)
• TDS conversion factor, seawater, practical salinity measurements mode to meet different water quality measurement requirements
• Linear or pure water compensation improves the measurement accuracy

Temperature probe
Calibration solutions
Batteries
Carrying case

The portable multi-parameter water quality meter is used for quality testing of water on different parameters in research and development labs, water resources and plants in nearby or remote area.