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  • Q Are you looking for a reliable portable oil in water monitoring probe for field and online water oil content testing?

    A

    Probest POIL-700 UV fluorescence oil sensor paired with PMI800-OIL host solves the pain points of traditional oil detection:

    ✅ UV fluorescence principle, no chemical reagents, no sample dilution

    ✅ IP68 SUS316L submersible probe with auto-cleaning to cut maintenance cost

    ✅ High precision: 0.01mg/L resolution, measurement range 0–50mg/L

    ✅ Handheld ergonomic design, built-in rechargeable battery, USB charging & data export

    ✅ Over 100,000 data logs for environmental compliance reporting

    ✅ Anti-ambient light optical filter, stable measurement under outdoor sunlight

    Perfect for real-time monitoring of surface water, groundwater, drinking water sources and industrial wastewater discharge outlets. Suitable for environmental law enforcement, EHS daily inspection and oil spill emergency field testing.

    We support customized cable length and full calibration service. Contact us for technical datasheet & quotation.

    #OilInWaterAnalyzer #WaterQualityMonitoring #UVFluorescenceSensor #EnvironmentalInstrument #WastewaterMonitoring

  • Q Is the underwater oil probe waterproof for long-term immersion?

    A

    Is the underwater oil probe waterproof for long-term immersion?

    PROBEST POIL-700 probe reaches IP68 full waterproof grade, SUS316L stainless steel body adapts to long-term underwater immersion monitoring.

  • Q Does the PROBEST portable oil monitoring system support data export?

    A

    Does the PROBEST portable oil monitoring system support data export?

    The PMI800-OIL host stores over 100,000 records, supports USB interface data export for environmental monitoring reports.

  • Q What water bodies can this PROBEST portable oil content monitoring probe test?

    A What water bodies can this PROBEST portable oil content monitoring probe test?

    Suitable for surface water, groundwater, drinking water, industrial wastewater and pollution discharge outlets oil content monitoring.

  • Q Is the Probest POIL-700 probe compatible with other analyzer hosts?

    A  Is the Probest POIL-700 probe compatible with other analyzer hosts?

    The Probest probe is matched exclusively with PMI800-OIL portable host, the system can automatically identify the connected oil sensor and switch reading interface automatically.

  • Q Can the PROBEST oil in water probe work continuously for online monitoring?

    A Can the Probest oil in water probe work continuously for online monitoring?

    Yes, the Probest portable oil monitoring probe supports continuous real-time measurement, equipped with auto cleaning function to meet long-term online deployment demands.

  • Q What detection principle does this PROBEST portable oil in water monitoring probe adopt?

    A What detection principle does this PROBEST portable oil in water monitoring probe adopt?

    POIL-700 oil monitoring probe uses ultraviolet fluorescence method, detects petroleum aromatic hydrocarbon fluorescence signal to calculate oil concentration in water, no reagent needed.

  • Q What's the Wide Application Scenarios of Portable Oil In Water Monitoring Probe?

    A Wide Application Scenarios of Portable Oil In Water Monitoring Probe
    This oil in water monitoring probe is a standard water quality testing sensor for environmental protection, water treatment and industrial wastewater industries, applicable scenes include:
    1. Surface water real-time oil content online monitoring (rivers, lakes, reservoirs);
    2. Groundwater & drinking water source oil pollution early warning detection;
    3. Industrial pollution source wastewater discharge oil emission monitoring;
    4. Oil spill emergency field rapid sampling measurement;
    5. Environmental law enforcement portable spot inspection;
    6. Water plant, petrochemical plant circulating water oil concentration continuous monitoring.

  • Q What's the Core Advantages of POIL-700 Oil In Water Monitoring Probe?

    A Core Advantages of POIL-700 Oil In Water Monitoring Probe
    • Portable Matching Design for PMI800-OIL Host: Ergonomic handheld host with anti-slip wristband, the oil in water monitoring probe auto identifies connected host, automatic reading interface adaptation;
    • UV Fluorescence Optical Sensor, Low Maintenance: Auto cleaning function reduces manual maintenance frequency, SUS316L probe body anti-corrosion for long-term underwater deployment;
    • High Precision & Stable Testing: 0.01mg/L high resolution, ≤±10% or ±0.3mg/L measurement accuracy, ≤±5% repeatability for reliable oil content data;
    • Complete Data Recording System: The whole portable oil monitoring system stores over 100,000 test records, USB one-click data export for environmental reporting;
    • Flexible Field Operation: Built-in rechargeable battery, USB direct charging without battery removal, short response time to support continuous real-time measurement;
    • Strong Environmental Adaptability: IP68 probe protection rating, IP67 host, working temperature 0–45℃, storage temperature -15~50℃, 3m standard extendable cable for deep water monitoring;
    • Anti-interference Optical Technology: Exclusive light filtering structure blocks sunlight and indoor light disturbance, suitable for outdoor open-air water sampling monitoring.

  • Q Working Principle of Portable Oil in Water Monitoring Probe?

    A Working Principle of Portable Oil in Water Monitoring Probe

    POIL-700 oil in water monitoring probe applies UV fluorescence detection technology, the core testing principle of mainstream water oil sensors in environmental monitoring industry.
    1. Built-in low-power LED ultraviolet light source irradiates water samples;
    2. Aromatic hydrocarbons in petroleum pollutants absorb UV light and generate characteristic fluorescence signals;
    3. Unique optical & electronic filtering eliminates ambient light interference;
    4. Convert fluorescence intensity into standard oil concentration value (0–50mg/L NDSA) via built-in algorithm;
    5. Transmit data to PMI800-OIL portable host for real-time display, storage and export.
    No reagents, no dilution, zero secondary pollution, stable long-term operation for field and online oil-in-water monitoring.

  • Q Does PROBEST pH meter support two kinds of calibration buffer?

    A
    1. Does PROBEST pH meter support two kinds of calibration buffer?
    A: Yes, two optional buffer groups:4.0/6.86/9.18 &4.0/7.0/10.01, big advantage for multi-industry test.

  • Q What are the advantages of Probest’s pH water quality sensor with dual calibration mode?

    A
    What are the advantages of Probest’s pH water quality sensor with dual calibration mode?
     
    1.    Suitable for testing scenarios across various industries: Select calibration solutions as needed for different pH conditions in food, environmental wastewater, chemical, and purified water applications;
    2. Significantly improves pH measurement accuracy through targeted calibration for slightly acidic, neutral, and slightly alkaline samples, thereby reducing measurement errors;
    3.    Compatible with the two mainstream pH standard buffer solutions on the market, offering convenient procurement and greater versatility.

  • Q Q9: If the mV reading on a PROBEST pH water quality analyzer falls far outside the standard range during calibration, what are the possible causes?

    A Q9: If the mV reading on a PROBEST pH water quality analyzer falls far outside the standard range during calibration, what are the possible causes?

    Answer:
    Check items: aged or damaged pH electrode, expired buffer solution, uncleaned electrode with residual buffer, drastic ambient temperature fluctuation.

  • Q PLTU-700 Beyond drinking water, what other applications are supported?

    A  Q: Beyond drinking water, what other applications are supported?

    A: Also suitable for online turbidity monitoring in industrial circulating cooling water, filtered water, and reclaimed water reuse systems.

  • Q What communication protocols does the instrument PLTU-700 support?

    A Q: What communication protocols does the instrument support?

    A: Supports MODBUS RS485 protocol for convenient data transmission and integration.

  • Q What are the main material and protection rating of the PROBEST PLTU-700 instrument?

    A Q: What are the main material and protection rating of the PROBEST PLTU-700 instrument?

    A: Main body: ABS + SUS316L stainless steel
    Seals: Nitrile rubber Protection rating: IP65 (for indoor use)
    We PROBEST also have PTU-800 & PTU-600 IP68 turbidity sensor.  

  • Q Is PROBEST PLTU-700 instrument maintenance complicated?

    A Q: Is PROBEST PLTU-700 instrument maintenance complicated?

     A: Maintenance is simple and convenient. The product design emphasizes ease of cleaning and requires no complex operations.
    And PROBEST also have the PLTU-600 low range turbidity sensor with display or without display for drinking water testing. 

  • Q For which drinking water scenarios is this PROBEST PLTU-700 instrument suitable?

    A Q: For which drinking water scenarios is this PROBEST PLTU-700 instrument suitable?

    A: It can be used for online turbidity monitoring in filtered water at water treatment plants, finished water, and direct drinking water systems, the range need to be 0-100NTU. 

  • Q Can the PROBEST PLTU-700 low range turbidity sensor cable length be extended?

    A Can the PROBEST PLTU-700  low range turbidity sensor? cable length be extended?

    A: Standard cable length is 3m. Max could be 30M. But still recomend to 10M. Too long extension is not recommended to avoid signal transmission issues.

  • Q What is the PROBEST PLTU-700 instrument's operating temperature range?

    A  Q: What is the PROBEST PLTU-700  low range turbidity sensor instrument's operating temperature range?

    A: Measurement temperature: 0-45°C (non-freezing conditions); Storage temperature: -15-60°C.

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