Hanna Instruments

Scientific Equipment

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HI-775-11 Calibration Checking Set for the HI-775 Freshwater Alkalinity Checker

25 tests
Standard value of 100 +/- 10 ppm CaCO3 @ 25°C
£25.60 (exc. VAT) £30.72 (inc. VAT)

HI-708-11 Nitrite High Range Checker HC Calibration Check Set (0-150 ppm)

Standard value of 75 +/- 5 ppm nitrite @ 25°C

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£23.00 (exc. VAT) £27.60 (inc. VAT)

HI-700-11 Ammonia Checker calibration check set (0.00 and 1.00 ppm Ammonia)

Standard value of 1.50 +/- 0.10 ppm ammonia @ 25°C

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£19.50 (exc. VAT) £23.40 (inc. VAT)

HI-758-11 Calibration Check Set for Marine Calcium Checker - HI-758

25 tests
Standard value of 400 +/- 20 ppm calcium @ 25°C

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£16.90 (exc. VAT) £20.28 (inc. VAT)

HI-733-11 Cal Check Standard for Ammonia HR Checker 0.0 - 99.9ppm

20 tests
Standard value of 25.0 +/- 2.0 ppm NH4+ @ 25°C

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£24.80 (exc. VAT) £29.76 (inc. VAT)

HI-716-11 Calibration Check Set for Bromine Checker®HC (HI-716)

25 tests
Standard value of 4.0 +/- 0.2 ppm bromine @ 25°C

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£26.80 (exc. VAT) £32.16 (inc. VAT)
£21.50 (exc. VAT) £25.80 (inc. VAT)

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£26.80 (exc. VAT) £32.16 (inc. VAT)

HI-702-11 Copper High Range Checker Calibration Check Set

25 tests
Standard value of 2.00 ± 0.10 ppm copper @ 25°C

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£23.40 (exc. VAT) £28.08 (inc. VAT)

Out of stock

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£12.00 (exc. VAT) £14.40 (inc. VAT)
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