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Hanna Instruments Calibration Checking Nitrite Review

3

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Average

Revainrating 3 out of 5  
Rating 
3.0
🔬 Substance Analysis Instrumentation, 🔍 Test, Measure & Inspect

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Description of Hanna Instruments Calibration Checking Nitrite

(0 and 100 ppb nitrite).

Reviews

Global ratings 3
  • 5
    0
  • 4
    1
  • 3
    1
  • 2
    1
  • 1
    0

Type of review

Revainrating 2 out of 5

Not worth the money

Hanna support said the standard might not be very good. They will send me a new one when they get more, whenever that is. More than a week has passed and I have NADA!

Pros
  • Laboratory and scientific products
Cons
  • I will add later

Revainrating 3 out of 5

Nice to have

One of the bottles has a pretty good scratch, not what you need with a colorimeter, I'll just swap it out for a new bottle. When I tested my HI736 tester with this 100ppb certified standard, I got 80/82/80ppb in three tests. I was expecting something closer to 100ppb. 20% variance is a lot!

Pros
  • Industrial and scientific
Cons
  • Expensive

Revainrating 4 out of 5

Blend Test Kit

This kit was purchased as a test kit to ensure my Hanna HI-713 Low Phosphate Tester is working properly within the +/- 0.08ppm tolerance range. The kit includes two vials with samples and instructions. First, the instructions essentially call for one vial to be placed in the Hanna Checker for step C.1 and then removed for step C.2, where the second vial is placed after adding the reagent pack (just like normal testing procedures). . The problem is that the instructions refer to one vial as a…

Pros
  • Gauges
Cons
  • Uncertain