Calibration Fluids | McMaster-Carr

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26 Products

Buffer Solutions


20 ml Container	500 ml Container	1 gal. Container

Maintain the accuracy of chemistry sensors.

	Calibration Point	Pkg. Qty.		Pkg.
20 ml Container



	Chlorine	1 ppm	3	21315T901	000000


	500 ml Container



			Conductivity, Total Dissolved Solids (TDS)	40.38 ppm; 84 μS	1	21315T601	00000


			Conductivity, Total Dissolved Solids (TDS)	745 ppm; 1,413 μS	1	21315T602	00000
			Conductivity, Total Dissolved Solids (TDS)	1,382 ppm; 2,764 μS	1	21315T605	00000
			Conductivity, Total Dissolved Solids (TDS)	7,447 ppm; 12,880 μS	1	21315T603	00000
			Oxidation Reduction Potential (ORP)	240 mV	1	21315T395	00000
			pH	4.0 pH	1	21315T396	00000
			pH	7.0 pH	1	21315T397	00000
			pH	10.0 pH	1	21315T398	00000
			Salinity	0.3 g/L	1	21315T802	00000
			Salinity	3.0 g/L	1	21315T801	00000


			1 gal. Container



					Conductivity	1,413 μS	1	21315T701	00000


					Conductivity	12,880 μS	1	21315T702	000000
					pH	4.0 pH	1	21315T496	00000
					pH	7.0 pH	1	21315T497	00000
					pH	10.0 pH	1	21315T498	00000

Buffer Solutions with Analysis Certificate


500 ml Container	1 gal. Container

Ensure accurate calibration results with these solutions that come with an analysis certificate traceable to NIST that states they’ve passed a test for concentration.

	Calibration Point		Each
500 ml Container



	Conductivity	84 μS	3108T55	000000


	Conductivity	1,413 μS	3108T56	00000
	Conductivity	12,880 μS	3108T65	00000
	pH	4.0 pH	3108T35	00000
	pH	7.0 pH	3108T25	00000
	pH	10.0 pH	3108T45	00000
	Total Dissolved Solids (TDS)	1,382 ppm	3108T57	00000


	1 gal. Container



			pH	4.0 pH	3108T37	00000


			pH	7.0 pH	3108T27	00000
			pH	10.0 pH	3108T47	00000