TK383PLUS Pentype Rechargeable DO Meter with 3m Long Cable Probe Dissolved Oxygen Tester Floating Electrode High Precision with ATC

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Features: Pentype long cable DO meter Equipped with a self-floating probe (ensure the measurement reading is from water and not from the sand) Large screen with adjustable backlight brightness Por...
$139.90 USD
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  • Pentype long cable DO meter
  • Equipped with a self-floating probe (ensure the measurement reading is from water and not from the sand)
  • Large screen with adjustable backlight brightness
  • Portable and easy to carry in different outdoor testing
  • Accurate dissolved oxygen and temperature reading
  • Low battery indicator
  • Built-in rechargeable battery that can be charged via USB Type-C cable
  • Switchable DO and Temperature Unit
    • Dissolve Oxygen (DO): % and mg/L
    • Temperature: °C/°F
  • One key 100% DO Calibration in the air (no need for any chemicals)
  • Easy to maintain with high sensitive membrane set
  • With Automatic Temperature Compensation (ATC)
  • Manual salinity and barometric pressure compensation
  • Highly accurate double precious metal DO probe
  • Easy replaceable thin membrane kit and quick-to-refill electrolyte
  • With backlight function


  • DO Measurement
    • Range: 0.00~20.00mg/L (0.0~199.9%)
    • Accuracy: ±0.4mg/L (±3%F.S)
    • Resolution: 0.01mg/L (0.1%)
  • Temperature Measurement
    • Range: 0~50°C (32~122°F)
    • Accuracy: ±0.5°C (±0.9°F)
    • Resolution: 0.1°C
  • Automatic Temperature Compensation: 10~40°C (50~104°F)
  • Manual Compensation
    • Salinity Measurement: 0.0~45.0ppt; 0.1ppt resolution
    • Barometric Pressure: 500~760mmHg / 101.3~66.7Kpa; 1mmHg/0.1KPa resolution
  • LCD Size: 30 x 18mm
  • Operating Environment: 0~40°C; <85%RH
  • Storage Environment: 0~40°C; <80%RH
  • Sensor response Time: <30sec. for DO; <90 sec for temperature
  • Sensor Warm-up Time: <60sec after power up
  • Battery: 3.7V 500mAh rechargeable battery
  • Operating time: about 60hrs of continuous usage without backlight
  • Charging time: 1.5hrs
  • Weight: approx. 256gms
  • Dimension: 176 x 39 x 39mm

Set Includes:

  • 1 x DO meter
  • 1 x DO Floating Probe with 3m Cable
  • 2 x Spare DO Membrane
  • 1 x Electrolyte
  • 1 x Type-C Charging Cable
  • English User Manual

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund in the same payment form used at the time of purchase within four weeks of giving your package to the return shipper. This time period includes the transit time for us to receive your return from the shipper, the time it takes us to process your return once we receive it, and the time it takes for the refund to be credited to your account.

For more information, please refer to our Return, Refund & Warranty Policy or contact us.

Shipping Policy

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

For more information, please refer to our Shipping Policy.

Warranty Policy

Most of our items come with 1 year warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.

The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.

For more information, please refer to our Warranty Policy.

1-Year Warranty
30-Day Returns
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