Table for selecting wetted materials

1.Basic knowledge of electromagnetic flowmeter

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
soldium chlorate	NaClO2	10		✓✓	✓✓	Conditional 25℃	✓✓	×	✓✓	✓✓
soldium chlorate	NaClO2	30		✓✓	✓✓	Conditional 25℃	✓✓	×	✓✓	✓✓
soldium chlorate	NaClO2	40		✓✓	✓✓	Conditional 25℃	×	×	✓✓	✓✓
sodium nitrate	NaNO2	60		✓✓	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
arsenic, acid, arsenic	HAS2O3	10		✓✓	✓✓	Conditional		Conditional	✓✓	✓✓
sulfurous acid	H2SO3	10	✓ 35℃	✓✓	✓✓	×	✓ 30℃	Conditional	✓✓	✓✓
sodium sulfite	Na2SO3	30		✓✓	✓✓	✓75℃ Conditional100℃	✓✓	Conditional	✓✓	✓✓
aqueous ammonia	NH4OH	28	✓ 35℃	✓ 45℃	✓ 65℃	✓25℃ Conditional	✓ 80℃	✓25℃ Conditional		✓✓		×	Conditional
Aquarius (sports drinks)					✓✓	Conditional	✓✓		✓✓	✓✓
drinking water	H2O		✓ 50℃	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
zinc chloride	ZnCl2	20		✓✓	✓✓	×	✓✓	✓✓	Conditional	✓✓
zinc chloride	ZnCl2	50		✓✓	✓✓	×	✓✓	✓✓	×	✓✓
aluminum chloride	AlCl3	20		✓✓	✓✓	×	×	✓✓	✓✓	✓✓		×	✓✓
ammonium chloride	NH4Cl	25	✓ 50℃	✓✓	✓✓	×	✓✓	✓✓	✓✓	✓✓		Conditional	✓✓
ammonium chloride	NH4Cl	40	✓ 50℃	✓✓	✓✓	×	✓✓	×	✓✓	✓✓		Conditional	✓✓
cadmium chloride	CdCl2	10		✓✓	✓✓	Conditional		Conditional 75℃	Conditional 75℃	✓✓
cadmium chloride	CdCl2	30		✓✓	✓✓	Conditional		Conditional 25℃	Conditional 25℃	✓✓
potassium chloride	KCl	10	✓ 50℃	✓✓	✓✓	×	✓✓	✓25℃ Conditional	✓25℃ Conditional	✓✓		Conditional	✓✓
potassium chloride	KCl	40	✓ 50℃	✓✓	✓✓	×	✓✓	Conditional	Conditional	✓✓		Conditional 30%	✓ 30%
calcium chloride	CaCl2	70	✓ 50℃	✓✓	✓✓	×	✓✓	×	✓✓	✓✓		✓ 40%	✓ 60℃, 50%
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
tin chloride	SnCl2	10			✓✓	✓✓	×	×	✓✓	✓✓
tin chloride	SnCl2	30			✓✓	×	×	×	✓✓	✓✓
ferrous chloride	FeCl2	50	✓ 50℃	✓✓	✓✓	×	✓✓	Conditional	✓✓	✓✓		×	×
copper chloride	CuCl	40			✓✓	×	Conditional	Conditional 50℃	✓✓	×
bichloride of mercury	HgCl2	40		✓✓	✓✓	×	✓✓	Conditional 75℃	✓✓	✓✓
tin chloride	SnCl4	20			✓✓	×	Conditional	Conditional	✓✓	✓✓
tin chloride	SnCl4	50			✓✓	×	×	Conditional	✓✓	✓✓
ferric chloride	FeCl3	10		✓✓	✓✓	×	✓✓	✓ 50℃	✓✓	✓ 25℃		×	✓✓
ferric chloride	FeCl3	30		✓✓	✓✓	×	✓✓	Conditional	✓✓	✓ 25℃			✓✓
ferric chloride	FeCl3	50		✓✓	✓✓	×	✓✓	×	✓✓	✓ 25℃			✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
copper chloride	CuCl2	40	✓ 50℃		✓✓	×	Conditional	Conditional 25℃	✓✓	×
sodium chloride	NaCl	25	✓ 50℃	✓✓	✓✓	×	✓✓	×	✓✓	✓✓		×	✓✓
nickel chloride	NiCl2	20		✓✓	✓✓	×	✓✓		✓✓	✓✓		✓ 100%	✓ 100%
barium chloride	BaCl2	25	✓ 50℃	✓✓	✓✓	×	✓ 50℃,20%	Conditional	✓✓	✓✓		Conditional	✓ 20%
magnesium chloride	MgCl2	40	✓ 50℃		✓✓	×	✓✓	✓✓	✓✓	✓✓
lithium chloride	LiCl	60		✓ 52℃	✓✓	×	✓✓	✓✓	✓✓	✓✓
hydro- chloric acid	HCl	10		✓✓	✓✓	×	✓ 25℃	✓ 25℃	✓ ※1	✓ 30℃		×	✓✓
hydro- chloric acid	HCl	35		✓ 70℃	✓✓	×	×	Conditional 25℃	✓ ※1	✓ 30℃		×	✓ 30%
calcium chlorate	Ca(Col3)2	30			✓✓	Conditional 1%	✓ 25℃	Conditional	✓✓	✓✓
sodium chlorate	NaClO3	40		✓✓	✓✓	×	✓ 25℃	Conditional	✓✓	✓✓
yellow prussiate, potassium ferrocyanide	K4[Fe(CN)6]	30		✓✓	✓✓		Conditional	✓✓	Conditional	✓✓	✓✓	✓✓
nitrohydro- chloric acid	1HNO3＋3HC		×	✓✓	✓✓	×	✓ 25℃	×	✓✓	×		×	×

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
sea water			✓ 50℃	✓✓	✓✓	×	✓✓	Conditional	✓✓	✓✓	×
perchloric acid	HClO4	70		✓ 40℃	✓✓	×			✓✓	✓✓		×
hydrogen peroxide	H2O2	30	×	✓ 45℃	✓ 65℃	✓✓	×	✓ 25℃	✓✓	×		Conditional 60℃, 20%	✓✓
custic soda,sodium hydroxide	NaOH	40	✓ 35℃	✓✓	✓✓	※2 ✓	✓✓	Conditional	×	✓✓		✓✓	Conditional
custic soda,sodium hydroxide	NaOH	50	✓ 35℃	✓✓	✓✓	✓ 80℃	Conditional	Conditional	×	✓✓		✓✓	Conditional
potassium permanganate	KMnO4	30	×	✓ 80℃	✓ 90℃	Conditional		Conditional	✓✓	✓✓
ammonium persulfate	(NH4)2S2O8	30	×	✓✓	✓✓	✓50℃ Conditional		×	✓✓	✓✓
ammonium persulfate	(NH4)2S2O8	50	×	✓✓	✓✓	✓ 50℃		×	✓✓	✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
potassium persulfate	K2S2O8	10		✓✓	✓✓	✓✓	✓ 75℃	✓ 50℃	✓✓	✓✓
formic acid	CH2O2	10	×	✓✓	✓✓	×	×	✓50℃ Conditional	✓✓	✓✓		Conditional	✓✓
formic acid	CH2O2	50	×	✓✓	✓✓	×	×	✓50℃ Conditional	✓✓	✓✓		Conditional	✓✓
milk					✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
citric acid				✓ 50℃	✓✓	✓✓
chromic acid	H2CrO4	50		Conditional	✓✓	×	✓✓	Conditional	✓ ※1	✓✓		×	✓ 30%
sodium chromate	Na2CrO4	60		Conditional	✓✓	✓✓	✓✓	✓✓	✓ ※1	✓✓		✓✓	✓✓
chloroacetic acid	C2H3ClO2	60		✓✓	✓✓	×	Conditional	Conditional	✓✓	✓✓
chloro- sulfonic acid	HSO3l	10	×	✓ 20℃	✓ 90℃	×	×	Conditional 25℃	✓✓	✓✓
chloro- sulfonic acid	HSO3l	45	×	✓ 80℃	✓ 90℃	×	×	✓ 25℃	✓✓	✓✓
sodium silicate	Na2SiO3	10		✓✓	✓✓	✓✓	✓✓	Conditional	✓✓	✓✓
hydrofluosi- licic acid	H2SiF6	35		✓✓	✓✓	×	×	×	×	✓✓
antimony penta chlorate	SbCl5	50		✓✓	✓✓	×		×	✓✓	✓✓
caffe					✓✓	✓✓	✓✓	✓✓	✓✓	✓✓

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
acetic acid	C2H4O2	40	×	✓✓	✓✓	✓✓	✓✓	✓ ※2	✓✓	✓✓		×	✓✓
acetic acid	C2H4O2	75	×	✓✓	✓✓	Conditional	✓✓	✓ ※2	✓✓	✓✓		×	✓✓
sodium acetate	NaCH3CO2	100	×	✓✓	✓✓	✓ 10%	✓✓	✓✓	✓✓	✓✓		✓✓	✓✓
lead acetate	Pb(CH3CO2)2	40	×	✓✓	✓✓	Conditional	✓ 25℃	×	✓✓	×
antimony trichlorate	SbCl3	10		✓✓	✓✓	×		×	✓✓	×
hypochlorous acid	HClO	20		✓✓	✓✓	×	×	✓✓	✓✓	×
calcium hypochlorite	Ca(ClO)2	20		✓ 90℃	✓✓	×	✓✓	Conditional	✓✓	✓✓		×	✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
sodium hypochlorite	NaOCl	15	×	✓ 70℃	✓✓	×	✓✓	✓✓	✓✓	✓✓		×	✓ 10℃
sodium hypochlorite	NaOCl	20	×		✓ 90℃	×	✓✓	✓ 50℃	✓✓	✓✓		×
copper cyanide	Cu(CN)2	10	✓ 50℃	✓✓	✓✓	✓✓		Conditional	✓✓	✓✓
sodium cyanide	NaCN	10		✓✓	✓✓	✓✓	✓✓		✓✓	✓✓		Conditional 40℃	✓✓
sodium cyanide	NaCN	20		✓✓	✓✓	×	✓✓		✓✓	✓✓			✓✓
hydrocyanic	CHN			✓✓	✓ 93℃	×	×	×	✓ 93℃	✓
heavy sodium bisulfite	NaHSO3	40		✓✓	✓✓	×	Conditional	Conditional	✓✓	✓✓
hydracid bromide	HBr	48	×	✓ 70℃	✓✓	×	✓✓	×	✓✓	✓✓
sodium bromide	NaBr	50		✓✓	✓✓	Conditional	×	Conditional	✓✓	✓✓		Conditional
lithium bromide	LiBr	60			✓✓	×			✓✓	✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
oxalic acid	C2H2O42H2O	45		✓✓	✓✓	×	×	Conditional	✓✓	✓✓		×
heavy ammonium carbonate	NH4HCO3	50		✓✓	✓✓	✓✓		Conditional	✓✓	✓✓
heavy potassium carbonate	KHCO3	30		✓✓	✓✓	✓✓	✓✓	Conditional	✓✓	✓✓
heavy potassium carbonate		50		✓✓	✓✓	Conditional	✓✓	Conditional	✓✓	✓✓
heavy sodium carbonate	NaHCO3	20		✓✓	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓		✓✓	✓✓
heavy ammonium fluoride	NH4HF2	5		✓✓	✓✓	×	×	Conditional	×	✓✓
heavy sodium sulfide	NaHS	40		✓✓	✓✓	✓✓			✓✓	✓✓
heavy sodium sulfite	NaHSO4	20		✓✓	✓✓	×	✓ 25℃	Conditional 50℃	✓✓	✓✓
hitric acid	HNO3	10	×	✓ 50℃	✓✓	✓✓	✓✓	✓ 50℃	✓ ※1	✓✓		×
hitric acid	HNO3	40	×		✓✓	✓ 25℃	✓✓	✓ 50℃	✓ ※1	✓✓		×
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
hitric acid	HNO3	70	×		✓ 90℃	×	Conditional	×	✓ ※1	✓✓		×
alminum nitrate	Al(NO3)3	10		✓✓	✓✓	✓ 75℃	✓✓	Conditional 25℃	✓ ※1	✓✓
ammonium nitrate	NH4NO3	40	×	✓✓	✓✓	✓✓	×	Conditional	✓✓	✓✓			✓✓
potassium nitrate	KNO3	40	✓ 50℃	✓✓	✓✓	Conditional	✓✓	Conditional	✓✓	✓✓		Conditional
calcium nitrate	Ca(NO3)2	10	✓	✓✓	✓✓	Conditional	✓✓	Conditional	✓✓	✓✓		Conditional
silver nitrate	AgNO3	20	✓ 50℃	✓✓	✓✓	✓25℃ Conditional	✓ 50℃	✓ 25℃	✓✓	✓✓		×
silver nitrate	AgNO3	50	✓ 50℃	✓✓	✓✓	✓25℃ Conditional		✓ 25℃	✓✓	✓✓		×
ferric nitrate	Fe(NO3)3	10		✓✓	✓✓	Conditional		✓ 25℃	✓✓	✓✓
ferric nitrate	Fe(NO3)3	50		✓✓	✓✓	Conditional		Conditional 25℃	✓✓	✓✓
copper nitrate	Cu(NO3)2	10		✓✓	✓✓	✓✓	✓ 25℃	Conditional 25℃	✓✓	✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
copper nitrate	Cu(NO3)2	50		✓✓	✓✓	Conditional	✓ 25℃	Conditional 25℃	✓✓	✓✓
sodium nitrate	NaNO3	30		✓✓	✓✓	×	✓✓	✓ 25℃	✓✓	✓✓		✓✓
sodium nitrate	NaNO3	50		✓✓	✓✓	×	✓✓	×	✓✓	✓✓		✓✓
nickel nitrate	Ni(NO3)2	10		✓✓	✓✓	Conditional		Conditional 25℃	✓✓	✓✓		×
nickel nitrate	Ni(NO3)2	50		✓✓	✓✓	Conditional 25℃		×	✓✓	✓✓		×
magnesium nitrate	Mg(NO3)2	10		✓✓	✓✓	Conditional	Conditional	Conditional	✓✓	✓✓
shochu with water					✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
soy sauce				✓✓	✓✓	×	✓✓	×	✓✓	✓✓
alminum hydroxide	Al(OH)3	10		✓✓	✓✓	Conditional	✓✓	Conditional	✓✓	✓✓		✓✓	✓✓
ammonium hydroxide	NH4OH	30	✓ 50℃	✓ 90℃	✓✓	✓25℃ Conditional	✓✓	✓25℃ Conditional	×	✓✓		×	Conditional 30%
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
pottasium hydroxide	KOH	10	✓ 35℃	✓ 80℃	✓ 90℃	×	✓✓	Conditional	✓✓	✓✓		✓✓	✓✓
pottasium hydroxide	KOH	45	✓ 35℃		✓ 90℃	×	×	Conditional	×	✓✓		✓✓	✓✓
calcium hydroxide	Ca(OH)2	50	✓ 50℃		✓✓	Conditional	✓✓	Conditional	✓✓	✓✓		Conditional 10%, 100%	✓ 20%
sodium hydroxide	NaOH	40	✓ 35℃	✓✓	✓✓	✓ ※1	✓✓ ※1	Conditional	×	✓✓		✓✓	Conditional
sodium hydroxide	NaOH	50	✓ 35℃	✓✓	✓✓	✓ 80℃	Conditional	Conditional	×	✓✓		✓✓	Conditional
barium hydroxide	Ba(OH)2	30	✓ 50℃	✓✓	✓✓	Conditional	✓✓	Conditional	×	✓✓		✓✓
magnesium hydroxide	Mg(OH)2	10	✓	✓✓	✓✓	Conditional		Conditional 25℃	×	✓✓
carbolic acid	C6H6O	10		✓✓	✓✓	Conditional		✓✓	✓✓	✓✓
potassium ferricyanide, red prussiate of potash	K3[Fe(CN)6]	30		✓✓	✓✓	Conditional	✓✓	Conditional	✓✓	×

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
ammonium carbonate	(NH4)2CO3・H2O	50		✓✓	✓✓	Conditional		Conditional	✓✓	✓✓
potassium carbonate	K2CO3	20		✓✓	✓✓	Conditional	✓✓	Conditional	×	✓✓		Conditional
potassium carbonate	K2CO3	60		✓✓	✓✓	Conditional	Conditional	Conditional	×	✓✓		Conditional
calcium carbonate	CaCO3	10		✓✓	✓✓	×	✓✓	×	✓✓	✓✓		Conditional
sodium carbonate	Na2CO3	10		✓✓	✓✓	×	✓✓	✓✓	✓✓	✓✓		✓✓
sodium carbonate	Na2CO3	30		✓✓	✓✓	×	✓✓	Conditional	✓✓	✓✓		✓✓
barium carbonate	BaCO3	10		✓✓	✓✓	Conditional	✓ 25℃	×	✓✓	✓✓
magnesium carbonate	MgCO3	10		✓✓	✓✓	Conditional	Conditional	Conditional	✓✓	✓✓
sodium thiosulfate	Na2S2O3	60	✓ 50℃	✓✓	✓✓	✓✓		Conditional	✓✓	✓✓

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
chlorine dioxide	ClO2	15		✓✓	✓✓	×	✓✓	Conditional	✓✓	✓✓
Japanese sake					✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
green tea					✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
uric acid	CH4N2O	50			✓✓	Conditional	✓ ※2		✓✓	✓✓

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
arsenic acid	H3AsO4	10		✓✓	✓✓	Conditional		Conditional	✓✓	✓✓		Conditional
arsenic acid	H3AsO4	30		✓✓	✓✓	Conditional		×	✓✓	✓✓
sodium hydrosulfite	NaHS	10		✓✓	✓✓	✓✓		✓ 25℃	✓✓	✓✓
beer					✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
phenol	C6H6O	10		✓✓	✓✓	Conditional		✓✓	✓✓	✓✓
potassium ferrocyanide	K3[Fe(CN)6]	30		✓✓		Conditional	✓✓	Conditional	✓✓	×		Conditional
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
sodium ferricyanide	Na3[Fe(CN)6]	10			✓✓	Conditional 50℃		Conditional 25℃		✓✓	×
potassium ferrocyanide	K4[Fe(CN)6]	30		✓✓		Conditional	✓✓	Conditional	✓✓	×
sodium ferrocyanide	Na[Fe(CN)6]	10					Conditional		Conditional	✓✓	×
alminum fluoride	AlF3	20			✓✓		×	×	Conditional 25℃	✓✓	×		Conditional
ammonium fluoride	NH4F	10			✓✓		Conditional 25℃	✓ 30℃	✓✓	✓✓	×		×
ammonium fluoride	NH4F	40			✓✓		×	×	✓✓	✓✓	×		Conditional 20%
fluosilicate	H2SiF6	10			✓ 90℃		×	×	×	✓✓	×
fluoric acid	HF	20		×	✓✓	×	×	×	Conditional	✓✓	×		×
fluoroboric acid	HBF4	20					×	×	×	✓✓	×
boracic acid	H3BO4	50			✓ 90℃	✓✓	×	✓✓	✓✓	✓✓	✓✓		Conditional 20%
POCARI SWEAT (sports drink)					✓✓	Conditional	✓✓		✓✓	✓✓
formaldehyde	CH2O	40			✓✓	✓✓	✓✓	✓✓	Conditional	✓✓	✓✓

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
chrome alum	KAl(SO4)2･12H2O	10					Conditional		Conditional	✓✓	✓✓
water (drinking water)	H2O			✓ 50℃	✓✓		✓✓	✓✓	✓✓	✓✓	✓✓	✓✓
water (seawater)				✓ 50℃	✓✓	×	✓✓	Conditional	✓✓	✓✓	×
water (sewage)				✓ 50℃	✓✓		✓✓	✓✓	✓✓	✓✓	✓✓	✓✓

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
iodine	I	10			✓✓		×	×	Conditional	✓✓	✓✓

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
ammonium sulfide	(NH4)2S	40			✓✓	Conditional		Conditional	✓✓	✓✓
hydrogen sulfide	H2S	10		✓✓	✓✓	×		×	✓✓	✓✓
sodium sulfide	Na2S	10		✓✓	✓✓	✓75℃ Conditional	✓✓	Conditional	✓✓	✓✓
sodium sulfide	Na2S	50		✓✓	✓✓	×	×	Conditional	✓✓	✓✓
barium sulfide	BaS	10		✓✓	✓✓	Conditional 25℃	✓ 25℃	×	✓ 50℃	✓ 50℃			✓ 10℃
sulfuric acid	H2SO4	50	✓ 35℃	✓✓	✓✓	×	×	×	Conditional	✓✓		Conditional 10℃, 40%	Conditional
sulfuric acid	H2SO4	80	×	✓✓	✓✓	×	×	×	Conditional	✓✓		×	Conditional 70%
sulfuric acid	H2SO4	96	×	✓✓	✓✓	×	×	×	Conditional	✓✓		×	×
zinc sulfate	ZnSO4	40		✓✓	✓✓	×	✓✓	Conditional	✓✓	✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
alminum sulfate	Al2(SO4)3・18H2O	50	✓ 50℃	✓ 50℃	✓✓	×	✓✓	✓✓	✓✓	✓✓
potassium aluminium sulfate	KAl(SO4)3・18H2O	10			✓✓	Conditional		Conditional	✓✓	✓✓
ammonium sulfate	(NH4)2SO4	20	✓ 50℃	✓✓	✓✓	Conditional	✓✓	Conditional	✓✓	✓✓		Conditional
ammonium sulfate	(NH4)2SO4	40	✓	✓✓	✓✓	Conditional	×	Conditional	✓✓	✓✓		Conditional
potassium sulfate	K2SO4	20	✓ 50℃	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓	✓✓		Conditional	✓✓
calcium sulfate	Ca(SO4)	10	✓ 50℃	✓✓	✓✓	✓✓	✓ 50℃	×	✓✓	✓✓
chrome sulfate	CrSO4	20	×		✓✓	×		Conditional	✓✓	✓✓
ferrous sulfate	FeSO4	50		✓✓	✓✓	×	✓✓	Conditional	✓✓	✓✓
ferric sulfate	Fe2(SO4)3	10		✓✓	✓✓	✓✓	✓ 25℃	✓50℃ Conditional75℃	✓✓	✓✓		×	✓✓
ferric sulfate	Fe2(SO4)3	30		✓✓	✓✓	×	✓ 25℃	✓50℃ Conditional75℃	✓✓	✓✓			✓✓
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
copper sulfate	CuSO4	30		✓✓	✓✓	×	Conditional	✓✓	✓✓	✓ 50℃		Conditional 10℃
sodium sulfate	Na2SO4	10	✓ 50℃	✓✓	✓✓	✓✓	Conditional	Conditional	✓✓	✓✓		Conditional	✓✓
sodium sulfate	Na2SO4	30	✓ 50℃	✓✓	✓✓	Conditional	Conditional	Conditional	✓✓	✓✓		Conditional	✓✓
nickel sulfate	NiSO4	10	✓ 50℃	✓✓	✓✓	Conditional		Conditional	✓✓	✓✓		✓✓ 100%	✓✓ 100%
barium sulfate	BaSO4	10	✓ 50℃	✓✓	✓✓	Conditional		×	✓✓	✓✓		Conditional 100%
magnesium sulfate	MgSO4	40		✓✓	✓✓	✓✓	✓✓	×	✓✓	✓✓		Conditional 30%
phosphoric acid	H3PO4	50	✓ 50℃	✓✓	✓✓	×	×	×	✓ ※3	✓✓		×	Conditional
phosphoric acid	H3PO4	85	✓ 50℃	✓✓	✓✓	×	×	×	✓ ※3	✓✓		×	×
ammonium phosphate	(NH4)3PO4	10		✓✓	✓✓	×	✓✓	×	✓✓	✓✓		Conditional	✓✓
sodium phosphate	Na2HPO4	50		✓✓	✓✓	×	✓✓	✓✓	Conditional 25℃	✓✓

			Lining			Electrode
Fluid name	Chemical formula	concentration	Polyurethane rubber	ETFE	PFA	SUS316L	Titanium	Hastelloy C-276	Tantalum	Platinum-iridium	Tungsten carbide	Nickel	Zirconium
wine					✓✓	✓✓	✓✓	✓✓	✓✓	✓✓

Meaning of symbols in the table

The symbols in the selection table indicate the following.

Symbol	Content
✓✓	Usable (recommended material) a), 100 ° C or less at indicated concentration
✓	There are restrictions on fluid conditions such as concentration and temperature, but it can be used up to the indicated temperature
Conditional	Corrosion resistance is lower than the above symbol b), and it can only be used as a grounding ring material c)
×	Not available
No symbol	No data
※1, ※2, ※3	Some applications require special attention, so please contact us separately.

a) The usable limit for electrode materials is a corrosion rate of 0.05 mm/year or less. Even if the corrosion rate is lower than the above, materials that may cause intergranular corrosion or stress corrosion cannot be used.
b) The usable limit for the grounding ring material is 0.5 mm/year or less.
c) Can be used up to the indicated temperature. If there is no indication, the maximum temperature is 100℃.

1.Basic knowledge of electromagnetic flowmeter

2.Measurement principle

3.Selection table by use

4.Features of wetted materials