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Calibration Solution

4.01pH Buffer Solution

4.01pH Buffer Solution

Our Price: 3.92

Formulated to provide precise pH determinations, these buffer solutions which are standardised against N.I.S.T. certified reference samples, are ideal for calibrating electrodes and pH meters. The buffer is colour-coded to avoid error and accurate to within ±0.02 pH at 25°C (77°F).

Each buffer contains a preservative/mould inhibitor and a coated foam liner cap to prevent contamination and leakage.

Features:
4.01pH Buffer Solution
Stored in a lightweight HDPE plastic bottle.
Capped with a coated foam liner.
4 oz. bottle (120 ml)

7.00pH Buffer Solution

7.00pH Buffer Solution

Our Price: 3.92

Formulated to provide precise pH determinations, these buffer solutions which are standardised against N.I.S.T. certified reference samples, are ideal for calibrating electrodes and pH meters. The buffer is colour-coded to avoid error and accurate to within ±0.02 pH at 25°C (77°F).

Each buffer contains a preservative/mould inhibitor and a coated foam liner cap to prevent contamination and leakage.

Features:
7.00pH Buffer Solution
Stored in a lightweight HDPE plastic bottle.
Capped with a coated foam liner.
4 oz. bottle (120 ml)

10.01pH Buffer Solution

10.01pH Buffer Solution

Our Price: 3.92

Formulated to provide precise pH determinations, these buffer solutions which are standardised against N.I.S.T. certified reference samples, are ideal for calibrating electrodes and pH meters. The buffer is colour-coded to avoid error and accurate to within ±0.02 pH at 25°C (77°F).

Each buffer contains a preservative/mould inhibitor and a coated foam liner cap to prevent contamination and leakage.

Features
10.01pH Buffer Solution
Stored in a lightweight HDPE plastic bottle.
Capped with a coated foam liner.
4 oz. bottle (120 ml)

TDS and EC Calibration Solution 342ppm

TDS and EC Calibration Solution 342ppm

Our Price: 4.20

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.

Features:
NaCl calibration solution, 342 ppm.
Stored in a lightweight HDPE plastic bottle.
Sealed with a coated foam liner.
3 oz. bottles (88.7 ml)

Solution Conversions: 342 NaCl = 362 as KCl

TDS and EC Calibration Solution 1000ppm

TDS and EC Calibration Solution 1000ppm

Our Price: 4.20

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.

Features:
NaCl calibration solution, 1000 ppm.
Stored in a lightweight HDPE plastic bottle.
Sealed with a coated foam liner.
3 oz. bottles (88.7 ml)

Solution Conversions: 1000 NaCl = 1060 as KCl ; 1450 as "442" ; 2000 µS

ORP Buffer Solution and Electrode Test Kit

ORP Buffer Solution and Electrode Test Kit

Our Price: 19.36

HM Digital's ORP buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.

Features
Variety pack of ORP buffer solution.
Test kit to check the quality of your ORP electrode.
Simple to use.
Powder has an indefinite shelf life.

Specifications
Total volume: 1.0 liter. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water)
Contents: 5 packets of +92mV, 5 packets of +265mV
Extras: Includes three empty 100 ml bottles
Accuracy: +/- 0.2 ORP at 25 degrees Celsius
Preparation directions included with the kit

Online Catalogue > RO Fittings & Accessories >  Calibration Solution

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