Portable Multi-parameter Water Quality Meter LMPWM-A20

Description :

Portable Multi-parameter Water Quality Meter LMPWM-A20 is adapted with different modes for measuring quality of water on different parameters. This meter can measure pH, ORP, conductivity, TDS content from test sample. It can store & recalls up to 500 sets of data. It is reliable and user friendly, suitable for outdoor measurements.

Specifications:

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pH mode	pH measurement range pH accuracy pH calibration points pH calibration solutions (-2.000) to 20.000 pH ± 0.002 pH 1 - 5 points USA, NIST, DIN or user defined
ORP measurement	ORP measurement range ORP accuracy ORP calibration points ORP calibration solutions -1999.9 to 1999.9 mV ±0.2 mV 1 point mV & relative mV
Conductivity measurement	Conductivity measurement range Conductivity accuracy Conductivity calibration points Conductivity calibration solutions Temperature coefficient Compensation modes Cell constant Normalization temperature 0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm ± 0.5 % F.S. 1 - 5 points 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm 0.0 to 10.0 % / °C Linear or pre water K = 0.1, 1, 10 or user-defined 20 °C or 25 °C
TDS measurement	TDS range TDS accuracy TDS factor 0-100 ppt. (max. 200 ppt., depending on factor setting) ± 1 % F.S. 0.1 - 1.0 (default 0.5)
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	BNC, 6- pin MINI connector
Display	LCD
Dimension (L × W × H)	170×85×30 mm
Weight	300 g
Power supply	3 × 1.5 V “AA batteries or DC 5 V power adapter

Features:

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• Common Features 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 recalls 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
• pH mode 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
• ORP mode 1 point offset calibration to adjust the display value to known standard
• Relative & absolute mV measurements for accurate ORP readings
• Conductivity / TDS mode 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

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

Standard Accessories: pH electrode Conductivity electrodes Temperature probe pH and conductivity calibration solution AA Batteries Plastic Carrying case

Optional Accessories: Temperature probe Conductivity standard solutions ORP electrode