Portable Multi-parameter Water Quality Meter LMPWM-A21

Description :

Portable Multi-parameter Water Quality Meter LMPWM-A21 is adapted with different modes for measuring quality of water on different parameters. This meter can measure pH, ORP, Dissolved Oxygen 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 :

pH mode	<table class="table table-striped table-bordered table-responsive"><tr><td><strong>pH measurement range</strong></td><td>(-2.000) to 20.000 pH</td></tr><tr><td><strong>pH accuracy</strong></td><td>± 0.002 pH</td></tr><tr><td><strong>pH calibration points</strong></td><td>1 - 5 points</td></tr><tr><td><strong>pH calibration solutions</strong></td><td>USA, NIST, DIN or user defined</td></tr></table>
ORP measurement	<table class="table table-striped table-bordered table-responsive"><tr><td><strong>ORP measurement range</strong></td><td>-1999.9 to 1999.9 mV</td></tr><tr><td><strong>ORP accuracy</strong></td><td>±0.2 mV</td></tr><tr><td><strong>ORP calibration points</strong></td><td>1 point</td></tr><tr><td><strong>ORP calibration solutions</strong></td><td>mV &amp; relative mV</td></tr></table>
Dissolved oxygen	<table class="table table-striped table-bordered table-responsive"><tr><td><strong>DO concentration range</strong></td><td>0.00 to 20.00 mg/L</td></tr><tr><td><strong>DO accuracy</strong></td><td>± 0.2 mg/L</td></tr><tr><td><strong>Calibration points</strong></td><td>1 - 2 points</td></tr><tr><td><strong>Pressure correction</strong></td><td>60.0 to 112.5 kPa, 450 - 850 mmHg</td></tr><tr><td><strong>Salinity correction</strong></td><td>0 to 50 g/L</td></tr><tr><td><strong>% Saturation of Oxygen</strong></td><td>0.0 to 200.0 %</td></tr><tr><td><strong>Accuracy</strong></td><td>± 2.0 %</td></tr></table>
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 :

• -  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
• -  Dissolved oxygen mode
• -  1-2 points calibration using the air-sealed water & zero oxygen solution
• -  Manual salinity & barometric pressure compensation for accurate readings