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
£27.00 (exc. VAT) £32.40 (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
£24.00 (exc. VAT) £28.80 (inc. VAT)

HI-705-11 Calibration Set for the HI-705 Silica low range checker® HC

Standard value of 1.00 +/- 0.05 ppm silica @ 25°C
25 tests

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£24.00 (exc. VAT) £28.80 (inc. VAT)

HI-719-11 Calibration Check Set for the HI-719 Magnesium Hardness Checker®HC

Standard value of 1.0 +/- 0.2 ppm iodine @ 25°C

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£19.50 (exc. VAT) £23.40 (inc. VAT)

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£21.00 (exc. VAT) £25.20 (inc. VAT)
£21.00 (exc. VAT) £25.20 (inc. VAT)

HI-747-11 Calibration Check Set for the HI-747 Copper Low Range Checker®HC

Standard value of 500 ± 100 ppb copper @ 25°C

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£20.00 (exc. VAT) £24.00 (inc. VAT)

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£20.50 (exc. VAT) £24.60 (inc. VAT)

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£12.00 (exc. VAT) £14.40 (inc. VAT)

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£22.50 (exc. VAT) £27.00 (inc. VAT)
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