美國Cole-Parmer電導標定液，進口電導率標準液，480或960ml/min,有1-10000μs，23-80000μs,46.7-30100μs多種標準可選。

 NIST-traceable reference materials include a calibration report from an ISO Guide 34 and ISO 17025 accredited laboratory for the highest accuracy available—up to ±0.25%!
Each bottle includes a NIST-traceable calibration report supplied by the manufacturer and information from batch testing. Also includes step-by step calibration instructions and temperature compensation chart. One 16-oz glass bottle.

訂貨號 480ml/瓶	電導(US)	電阻(MΩ)	TDS (ppm)
00652-20	1	1	0.66
00652-22	5	0.2	3.3
00652-24	10	0.1	6.6
00652-26	100	0.01	66
00652-28	1000	0.001	666
00652-30	1413	0.00071	933
00652-32	10000	0.0001	6666
00652-34	100000	0.00001	66666

訂貨號 480ml/瓶	電導(US)	Conductivity-to-TDS calibration values
		ppm KCI	ppm Nacl	ppm442
00653-23 00653-16 00653-47	23 84 447	11.6 40.28 226	10.7 38.04 215	14.74 50.5 300
00653-18 00653-15 00653-27	1413 1500 2070	745 757 1045	702 737 1041	1000 1050 1500
00653-20 00653-89 00606-10	2764 8974 12880	1382 5101 7447	1414 4487 7230	2062 7608 11367
00653-50 00653-32	15000 80000	8759 52168	8532 48384	13455 79688

訂貨號 960ml/瓶	電導(US)	Conductivity-to-TDS calibration values
		ppm KCI	ppm Nacl	ppm442
01489-91 01489-92 01489-94	46.7 70 700		21.8 32.8 340	30 45 478
01489-96 01489-97 01489-98 01489-99	3900 7000 16630 30100		2027 3740 9462 18235	3000 5687 15000 30000