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pen type salinity & temperature meter: ultimate nacl salt water quality tester for saltwater aquariums, hydroponics, and food processing logo

Pen Type Salinity & Temperature Meter: Ultimate NaCl Salt Water Quality Tester for Saltwater Aquariums, Hydroponics, and Food Processing Review

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Revainrating 2.5 out of 5  
Rating 
2.3
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Description of Pen Type Salinity & Temperature Meter: Ultimate NaCl Salt Water Quality Tester for Saltwater Aquariums, Hydroponics, and Food Processing

MEASURING RANGE: 0~9999 ppm or 10.0ppt~100.0ppt or 0.0%~10.0% or 0.950~1.080 (S.G.) based on NaCl with ±%F.S ±1 digit / ±0.5°C Accuracy. DISPLAY: Dual Temperature and Salinity in four measurement units (ppm, ppt, %, S.G) / 30 x 18mm LCD Size. APPLICATION: Salinity measurement in fish pond, tank, aquariums, laboratories, food processing, hydroponics, Aquaculture, and other water monitoring facilities. FEATURES: Waterproof IP65 / One touch calibration / Auto power off and Non-Sleep mode disable / Multi points calibration. POWER SUPPLY / SENSOR : 4 x LR44 button batteries.

Reviews

Global ratings 3
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  • 3
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Type of review

Revainrating 5 out of 5

Complicated and inaccurate

Came about 3 weeks after purchase. So slow. I could walk there and get it in less time. The item is extremely difficult to use and not accurate. The investment is definitely not worth it. I wanted to try to return the item and found that I had to pay for shipping back to China. I can't get a refund within a month. I would recommend any other alternative for this item type.

Pros
  • Few competitors
Cons
  • unreliable

Revainrating 1 out of 5

Doesn't give specific gravity - you need conversion tables

If you want your salinity expressed in specific gravity you need to convert it using salinity and temperature. This gives you a number in parts per thousand (e.g. 34.9 ppt) and in aquariums you need to know the specific gravity (e.g. 1.024). There are charts and conversion tables on the internet. I have NOT calibrated but I am getting accurate information. read. Calibration looks like a PAIN.

Pros
  • Free for educational purposes
Cons
  • Not sure

Revainrating 1 out of 5

Loss of accuracy after third use

I bought this device and salinity refractometer at the same time. After the third use, it no longer measures accurately and comes without a calibration solution. Even with a recalibration solution, the recalibration process is a little intimidating. Buy a handheld refractometer and save time. If you want the digital precision this offers and are willing to frequently recalibrate it, this might be for you.

Pros
  • Price
Cons
  • Minor things