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🧪 apera instruments salt20 portable salinity meter logo

🧪 Apera Instruments Salt20 Portable Salinity Meter Review

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Poor

Revainrating 2.5 out of 5  
Rating 
2.7
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Description of 🧪 Apera Instruments Salt20 Portable Salinity Meter

Apera's unique platinum black sensor ensures high accuracy in a wide-range salinity measurement (0 to 10 0 ppt). Easy Auto Calibration 0-50 ̊C ATC (Auto Temperature Compensation). Large LCD with dual display of temp /ppt and reminders of completed calibrations and stable readings. Complete kit with calibration solution batteries and a lanyard all in a portable carrying case. Up to 1000 hours of operation powered by AAA batteries.

Reviews

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Type of review

Revainrating 1 out of 5

A device that makes you feel stupid

I bought this device to test the salinity of my pond water. The guides are designed to work with several different tools and are therefore confusing. The task is to calibrate with the supplied liquid. No explanation of what the results should be or what to do if the results differ from the salinity of the liquid being tested. There is no guidance as to whether the entire process needs to be repeated for each water test. What if I get a questionable result on a test - do I need to recalibrate…

Pros
  • Easy auto calibration 0-50°C ATC (Automatic Temperature Compensation)
Cons
  • No Auto

Revainrating 3 out of 5

It looked great, but the readings are not standardized.

Works great, has a calibration solution too! I hope it continues to work and is correct. PPM so it's not that accurate as you're getting readings like 0.6 PPT when you might have 630ppm. Otherwise it works well and very fast, comes in a nice case with instructions and batteries. Okay, this meter doesn't read like other TDS meters. The conversion factor ms/cm is 0.5, so the values are different from those of other measuring devices. Personally I think it's a bit useless for pool water because…

Pros
  • Large LCD display with dual temperature/PPT readouts and reminders of completed calibrations and stable readings
Cons
  • Legacy model

Revainrating 4 out of 5

Excellent value for money for an accurate salinity meter

UPDATE. Have used it for about 6 weeks so far. When properly calibrated, as I understand from Apera's docs on this and the EC60, it provides a [NaCl?] equivalent of 0.50 conductivity. The supplied calibration solution has a value of 12.88 mS/cm (6.4 to 6.5 ppt). The resolution is 0.1 ppt (100 ppt), but the SPECIFICATIONS section of the manual lists this as 0.01 ppt (incorrect). The Apera EC60 EC/TDS/Salt is said to have 10x better resolution, but the salinity range is still limited to 10ppt…

Pros
  • Up to 1000 hours on AAA batteries
Cons
  • Not as thick as other picks