Portable Multi-parameter Water Quality Meter LMPWM-T2010

Introduction

Portable Multi-Parameter Water Quality Meter measures pH, , , and Dissolved Oxygen levels. It features an intelligent operating system for efficient, and accurate readings. It is equipped with advanced a high-contrast water quality meter provides precise results with automatic and manual temperature compensation. Designed for both field and outdoor use, and is protected against water. This water testing equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

The portable multi-parameter water quality meter is used for testing water quality in various applications, including chemical engineering, water treatment, environmental monitoring, wastewater detection, aquaculture, and scientific research.

Specifications

pH Range	-2.000 to 20.000 pH
pH Resolution	0.1, 0.01, 0.001 pH
pH Accuracy	± 0.002 pH
pH Calibration Points	Up to 8
pH Standard Customization	Yes
pH Calibration Reminder	Yes
pH Standard Recognition	, , , , GB, and buffers
pH Slope Limit	Yes
Range	-2000.00 to 2000.00 mV
Resolution	0.1, 0.01 mV
Accuracy	± 0.1 mV or ± 0.03%
EH Mode	Yes
Calibration Points	1 custom point (relative mV)
pX Range	-2.000 to 20.000 pX
pX Resolution	0.1, 0.01, 0.001 pX
pX Accuracy	± 0.002 pX
pX Calibration Points	Up to 6
Range	1.000e-9 to 9.999e+9
Units	mol/L, mmol/L, g/L, mg/L, μg/L, ppm, ppb
Resolution	Up to 4 significant digits
Accuracy	± 0.3%
Calibration Points	Up to 8
Conductivity Range	0.000 μS/cm to 3000 mS/cm
Conductivity Resolution	0.001 μS/cm minimum, varies with range selection
Conductivity Accuracy	± 0.5% FS
Conductivity Reference Temperature	5, 10, 15, 18, 20, 25 ºC
Conductivity Calibration Points	Up to 5
Conductivity Calibration Reminder	Yes
Conductivity Standard Recognition	10 μS/cm, 84 μS/cm, 500 μS/cm, 1413 μS/cm, 12.88mS/cm; 146.5 μS/cm, 1408 μS/cm, 12.85mS/cm, 111.3mS/cm
Resistivity Range	5.00 Ωcm to 100.0 MΩcm
Resistivity Resolution	0.01 Ωcm minimum
Resistivity Accuracy	± 0.5% FS
Range	0.000 ppm to 1000 ppt
Resolution	0.001 ppm minimum, changes with range
Accuracy	± 0.5% FS
Salinity Range	0.0 to 80.0 ppt
Salinity Resolution	0.1 ppt
Salinity Accuracy	± 1 ppt
Sensor Type	Polarographic
Dissolved Oxygen Range	0.00 to 99.99 ppm
Dissolved Oxygen Resolution	0.01 ppm
Dissolved Oxygen Accuracy	± 0.10 ppm
Dissolved Oxygen Calibration Reminder	Yes
Dissolved Oxygen Calibration Points	Air-saturated water or zero point
Dissolved Oxygen Barometric Compensation	Yes
Dissolved Oxygen Manual Salinity Factor Correction	Yes
Saturation Range	0.0 to 600.0%
Saturation Resolution	0.001
Saturation Accuracy	± 2.0%
Temperature Range	-10 ºC to 135 ºC, 14 ºF to 275 ºF
Temperature Unit	ºC, ºF
Temperature Resolution	0.1
Temperature Relative Accuracy	± 0.1
Reading Mode	Auto Read (Fast, Medium, Slow), Timed, Continuous
Reading Prompts	Reading, Stable, Locked
Temperature Compensation	,
Data Management	Data Storage 1000 Groups
Features	Yes
pH Electrode	(Q9)
DO with Temp. Probe	4-pin aviation connector
Conductivity with Temp. Probe	5-pin aviation connector
	2.0 flash memory device, PC, scanner
Backlight	Yes
Auto Shutdown	300, 600, 1200, 1800, 3600 sec, off
IP Rating	IP65
Date and Time	Yes
Power	Rechargeable Lithium battery, AC Adapter, 100 to 240V AC input, DC5V output
Dimension	90 × 255 × 40 mm
Weight	0.5 Kg

Features

Multi-Reading

Auto-Hold

Data Analysis

Data Storage

Support

Auto-Power Off

FAQs

1. What are the key factors to consider when selecting this water testing equipment for laboratory use?

When selecting this water testing equipment, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this water testing equipment be calibrated to ensure accurate results?

It is recommended to calibrate this water testing equipment at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this water testing equipment?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this water testing equipment be used with different types of samples, and are there any compatibility considerations?

Yes, this water testing equipment can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the water testing equipment malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.