Hanna Instruments

Hanna Instruments - Mini Calcium Checker Photometer - Ca - HI758

  • -7.9%
  • -7.9%
Hanna Instruments - Mini Calcium Checker Photometer - Ca - HI758
Hanna Instruments - Mini Calcium Checker Photometer - Ca - HI758

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€75.99
€69.99 Save 7.9%
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In stock (4)

Checker HC mini-photometer for the measurement of calcium in seawater from 200 to 600 mg/L (ppm).

HI 758 is delivered with 2 measurement cuvettes and their cap, reagents for 25 tests, 1 plastic pipette, 1 automatic 100 µL pipette with tip and the battery.

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Learn more

Strong points

  • Digital photometer at the price of a chemical analysis kit
  • Quality, fast and accurate measurements
  • Very easy to use (1 key)
  • Lightweight (65 g) and compact, slips into any pocket
  • Measurements in accordance with approved methods
  • Large reading screen
  • Robust and practical
  • Surely amazing

  • Reagents for seawater calcium (HI 758), 25 tests

Field applications

  • Saltwater aquariums
  • Aquaculture

Specifications

Range 200 to 600 mg/L (ppm)
Reference 1mg/L (ppm)
Exactness ± 6% of reading
Method Zincon method
Light source 610nm LEDs
Light detector Silicon photocell
Pile 1 x 1.5V AAA battery
Self-extinguishing After 10 minutes of non-use
Dimensions 81.5 x 61 x 37.5mm
Weight 64g

Product Details

HI758

What they think about it
(and they are right...)

Reviews about this product
Logo Société des Avis Garantis Show attestation
0
1★
0
2★
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3★
2
4★
10
5★
9.6/10


Based on 12 reviews

  • Image utilisateur Mark v.
    Published Jun 21, 2026 at 02:00 pm (Order date: Jun 10, 2026)
    5

    - (Translated review)

  • Image utilisateur Laurent M.
    Published Apr 26, 2026 at 05:13 pm (Order date: Apr 21, 2026)
    5

    Very good (Translated review)

  • Image utilisateur Masi D.
    Published Oct 26, 2025 at 03:35 pm (Order date: Oct 16, 2025)
    5

    Works perfectly (Translated review)

  • Image utilisateur Florian V.
    Published Oct 11, 2025 at 08:20 pm (Order date: Oct 06, 2025)
    5

    Great gear !!! (Translated review)

  • Image utilisateur Laetitia R.
    Published Sep 08, 2025 at 11:42 am (Order date: Aug 28, 2025)
    5

    Once the manual is understood Quick result (Translated review)

  • Image utilisateur Grichka H.
    Published May 14, 2025 at 04:08 pm (Order date: May 07, 2025)
    5

    It changes life like crazy! It's expensive yes but compared to other complicated tests to do and read, these are great and accurate! Anyway, I don't regret it. (Translated review)

  • Image utilisateur Alberto R.
    Published Nov 10, 2024 at 11:53 am (Order date: Nov 02, 2024)
    4

    Great product, not super easy to use (Translated review)

  • Image utilisateur Alain G.
    Published Sep 18, 2024 at 02:50 pm (Order date: Sep 13, 2024)
    5

    CLEAR (Translated review)

  • Image utilisateur Hans D.
    Published Oct 30, 2023 at 04:51 pm (Order date: Oct 23, 2023)
    5

    Very fast and effective but a small difference in results compared to my icp test to see 1v3c a calibration of the device (Translated review)

  • Image utilisateur Hubert b.
    Published Sep 01, 2023 at 08:00 pm (Order date: Aug 28, 2023)
    4

    Ditto (Translated review)

Show more reviews


Hanna Instruments - Mini Calcium Checker Photometer - Ca - HI758
Hanna Instruments - Mini Calcium Checker Photometer - Ca - HI758
Hanna Instruments - Mini Calcium Checker Photometer - Ca - HI758