Portable Dissolved oxygen meter LPRDO-T2010

Introduction

Portable Dissolved oxygen meter is equipped with advanced polarographic sensor to measure the dissolved oxygen content. The manual salinity & barometric pressure compensation helps in accurate measurement of dissolved oxygen. It can store up to 48 sets of data & it is transferrable to PC via interface. Due to its portable nature this meter can be used across water purification plants, waste water management plants for testing & quality analysis. 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

Portable dissolved oxygen meter has applications in water & waste water management industry, environmental monitoring, surface ground water, research & development, education to detect content of dissolved oxygen.

Specifications

Dissolved oxygen range	0.0 to 20.0 mg / L (or ppm)
Dissolved oxygen accuracy	± 0.5 mg / L
Resolution	0.1 mg / L
Calibration points	1 - 2 points
Sensor type	Polarographic DO probe
Temperature compensation range	0 to 40 °C, 32 °F to 104 °F
Barometric pressure correction	60.0 to 112.5 kPa, 450 to 850 mmHg
Salinity correction	0 - 35 g / L
% of saturation of oxygen range	0.0 to 200.0 %
% of saturation of oxygen accuracy	± 10 % F.S.
% of saturation of oxygen resolution	0.001
Data hold function	Manual
Reset function	Yes
Memory	Stores up to 48 sets of data
Output	communication interface
Display	screen
Connector	4-pin mini plug
Battery life	Approximately 150 hours
Power	1 x 9 V / 800 mA battery
Dimension (L x W x H)	185 × 88 × 32 mm
Weight	300 g

Features

Equipped with polarographic sensor & display

1-2 points calibration using air saturated water & zero oxygen solution

Manual salinity & barometric pressure compensation for better measurement of dissolved oxygen

Stores up to 48 sets of data

Data is transferrable to PC via interface

Built-in real time clock stamps stores data to meet standard

Automatic temperature compensation for accurate measured value over the entire range

Auto hold function freezes stable, final readings for better viewing and recording

Reset function automatically resumes all the settings to default mode

Help message as an operational guide for quick beginning to the dissolved oxygen meter

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.