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EC / PPM Conversion Chart

EC (mS/cm)	EC (µS/cm)	PPM (0.50)	PPM (0.64)	PPM (0.70)
0.1	100	50	64	70
0.2	200	100	128	140
0.3	300	130	192	210
0.4	400	200	256	280
0.5	500	250	320	350
0.6	600	300	384	420
0.7	700	350	448	490
0.8	800	400	512	560
0.9	900	450	576	630
1.0	1000	500	640	700
1.1	1100	550	704	770
1.2	1200	600	768	840
1.3	1300	650	832	910
1.4	1400	700	896	980
1.5	1500	750	960	1050
1.6	1600	800	1024	1120
1.7	1700	850	1088	1190
1.8	1800	900	1152	1260
1.9	1900	950	1216	1330
2.0	2000	1000	1280	1400
2.1	2100	1050	1334	1470
2.2	2200	1100	1408	1540
2.3	2300	1150	1472	1610
2.4	2400	1200	1536	1680
2.5	2500	1250	1600	1750