Portable Dissolved Oxygen Tester LPDO-T2010

Introduction

Portable Dissolved Oxygen Tester supports up to 12 parameters: pH, EC, , DO, Temperature, mV, , pX, Resistivity, , Salinity, and DO Saturation. It is equipped with advanced a 4.3-inch high-contrast touchscreen for easy parameter setting. The intelligent system includes user, calibration, electrode methods, and data management. The automatic and manual temperature compensation ensures highly accurate readings in diverse environmental conditions. This dissolved oxygen meter 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 Dissolved Oxygen Tester is ideal for water quality testing in environmental monitoring, aquaculture, wastewater treatment, and laboratory research. Its precision, multi-mode readings, and rugged IP65 waterproof design make it perfect for both fieldwork and lab use.

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 Standard Recognition	, , , , GB and buffers
pH Calibration Reminder	Yes
pH Slope Limit	Yes
Selectable Pressure Units	kPa, mbar, Torr, Atm
mV/ Range	-2000.00 to 2000.00 mV
mV/ Resolution	0.1, 0.01 mV
mV/ Accuracy	±0.1 mV or ±0.3% of reading (whichever is greater)
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
(Ion Selective Electrode) Range	1E-9 to 9.999E5
Units	mol/L, mmol/L, g/L, mg/L, µg/L
Resolution	Up to 4 significant digits
Calibration Points	Up to 8
Conductivity Range	0.000 μS/cm to 500.000 mS/cm
Conductivity Resolution	0.001 μS/cm minimum (changes with range)
Conductivity Accuracy	±0.5% FS
Reference Temperature	5, 10, 15, 18, 20, 25 °C
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, 12.88 mS/cm
Resistivity Range	5.000Ω·cm to ~100.0MΩ·cm
Resistivity Resolution	0.010Ω·cm minimum
Resistivity Accuracy	±0.5% FS
(Total Dissolved Solids) Range	0.000mg/L to ~100g/L
Resolution	0.001mg/L minimum (changes with range)
Accuracy	±0.5%
Salinity Range	0.00 to 8.00%
Salinity Resolution	0.0001
Salinity Accuracy	±0.1%
Salinity Sensor Type	Polarographic
Dissolved Oxygen Concentration Range	0.00 to 99.99 mg/L
Resolution	0.01mg/L
Accuracy	±0.3mg/L (0.00 to 20.00mg/L), ±10% (20.00 to 99.99mg/L)
Calibration Reminder	Yes
Calibration Points	Air-saturated water or zero point
Barometric Compensation	Yes
Manual Salinity Factor Correction	Yes
Saturation Range	0.0% to 600.0%
Saturation Resolution	0.001
Saturation Accuracy	±10%
Temperature Range	-10 to 135°C, 14 to 275°F
Temperature Resolution	°C, °F
Temperature Relative Accuracy	±0.2
Reading Mode	Auto Read (Fast, Medium, Slow), Timed, Continuous
Reading Prompts	Reading, Stable, Locked
Data Storage	1000 Groups
Features	Yes
pH Electrode	/Q9
Temp./DO Probe	4-pin aviation connector
Temp./EC Probe	5-pin aviation connector
Type	2.0 flash memory device, PC, scanner
Bluetooth	Yes
Backlight	Yes
Auto Shutdown	300, 600, 1200, 1800, 3600 seconds; off
IP Rating	IP65
Date and Time	Yes
Power	Rechargeable Lithium battery; AC Adapter
Adapter	100-240V AC input, DC5V output
Dimensions	90 × 255 × 44 mm
Weight	0.5 Kg

Features

communication supported

Auto power-off for extended battery life

Reset feature restores factory settings

IP65 waterproof for outdoor use

Supports air-saturated water

Supports zero oxygen calibration

Barometric pressure compensation

Manual salinity factor correction

FAQs

1. What are the key factors to consider when selecting this dissolved oxygen meter for laboratory use?

When selecting this dissolved oxygen meter, 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 dissolved oxygen meter be calibrated to ensure accurate results?

It is recommended to calibrate this dissolved oxygen meter 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 dissolved oxygen meter?

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 dissolved oxygen meter be used with different types of samples, and are there any compatibility considerations?

Yes, this dissolved oxygen meter 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 dissolved oxygen meter 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.