Industrial Products for Process Analytics

Analytic devices, sensors and fittings

Knick has been advising and supporting companies worldwide on process analytics for 75 years.
In addition to analog and digital sensors for measuring pH, ORP, conductivity and oxygen, Knick also offers high-quality industrial measuring instruments and fittings. Knick systems for automatic cleaning and calibration are unique solutions on the market.

Automatic Cleaning and Calibration Systems

Fully automatic process monitoring in combination with the Protos process analysis system and a SensoGate or...

Unical 9000 Uniclean 900

Fittings

Holders and fittings from Knick provide safety and convenience when it comes to measuring pH, ORP, dissolved...

Immersion Fittings Flow-Through Fittings Inline Fittings SensoGate Retractable Fittings more


	SE 503	SE 515	SE 546	SE 554	SE 555	SE 557	SE 558	SE 559	SE 560	SE 571	SE 564	SE 565
Measurement parameters	pH	pH	pH	pH / ORP	pH / ORP	pH	pH	pH	pH	pH	ORP	ORP
pH / ORP Range	0 … 14	0 … 14	0 … 14	0 … 14 / ± 1500 mV	0 … 14 / ± 1500 mV	0 … 14	0 … 14	0 … 14	0 … 14	0 … 14	± 1500 mV	± 1500 mV
Temperature	-5 … 80 °C	-5 … 80 °C	-15 … 135 °C	0 … 130 °C	0 … 135 °C	-20 … 100 °C / 0 … 135 °C	-5 … 100 °C	-5 … 100 °C	-20 … 80 °C (100°C)	0 … 130 °C	0 … 130 °C	0 … 135 °C
Pressure, Relative	0 … 2 bar	0 … 4 bar	0 … 10 bar	0 … 10 bar	-1 … 6 bar	-1 … 6 bar	-1 … 3 bar	0 … 6 bar	-1 … 0,5 (3) bar	0 … 12 bar	0 … 10 bar	-1 … 6 bar
Temperature Detector	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
pH Glass / Electrode Material	Universal	Universal	ISFET	Universal	High temperatures, high pH values	Low / high temperatures, universal, high pH values	Universal	Universal	Low temperatures, universal	Universal	Platinum	Platinum
Junction	Ceramic, 2x	Ground glass sleeve	Ceramic	Hole	Ceramic	Ceramic	Ceramic, 3x	Annular junction	Platinum (3x)	PTFE ring	Hole	Ceramic
Reference Electrolyte	Gel	Gel	Polymer	Polymer	Gel, pressurized	Liquid, refillable	Gel with KCl reservoir	Polymer	Liquid, refillable	Gel with KCl reservoir	Polymer	Gel, pressurized
Connector	VP	Memosens	Memosens	Memosens / VP	Memosens / VP / S8	Memosens / VP	Memosens / VP	Memosens	VP / Memosens	Memosens	Memosens / S8	Memosens
Mounting	Pg 13.5	Pg 13.5	Pg 13.5	Pg 13.5	Pg 13.5	Fitting	Pg 13.5	Pg 13.5	Pg 13.5	Pg 13.5	Pg 13.5	Pg 13.5
Certification			ATEX	ATEX	ATEX	ATEX	ATEX	ATEX	ATEX	ATEX	ATEX	ATEX


Conductivity Sensors	SE 600	SE 603	SE 604	SE 605 (H)	SE 610	SE 615	SE 620	SE 630	SE 655	SE 656	SE 670	SE 680
Measurement Parameters	Cond	Cond	Cond	Cond	Cond	Cond	Cond	Cond	CondI	CondI	CondI	CondI
Measuring Range	0.5 µS/cm … 600 mS/cm	0.5 µS/cm … 600 mS/cm	0 … 500 (1000) µS/cm	0,04 … 200 µS/cm	0.1 … 1000 µS/cm	10 µS/cm … 20 mS/cm	0.05 … 50 µS/cm	10 (5) µS/cm … 20 (50) mS/cm	0.001 … 2000 mS/cm	0.001 … 2000 mS/cm	0.02 … 2000 mS/cm	0,02 … 2000 mS/cm
Measuring Principle	4 electrodes	4 electrodes	2 electrodes	2 electrodes	2 electrodes	2 electrodes	2 electrodes	2 electrodes	Inductive	Inductive	Inductive	Inductive
Temperature	0 … 210 °C	0 … 120 °C	-20 … 120 °C	-20 … 135 °C	10 … 90 °C	-5 … 80 °C	0 … 135 °C	-20 … 135 °C	-20 … 125 °C	-20 … 125 °C	0 … 60 °C	-10 … 125 °C
Pressure, Relative	0 … 25 bar	0 … 12 bar	0 … 25 bar	0 … 25 bar	0 … 6 bar	0 … 4 bar	0 … 16 bar	0 … 16 bar	0 … 20 bar	0 … 16 bar	0 … 10 bar	0 … 10 bar
Temperature Detector	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Electrode Material	Stainless steel 316 L	Platinum	1.4571 stainless steel	Stainless steel 1.4435	Stainless steel 1.4435	Graphite	Stainless steel 1.4435	Graphite	---	---	---	---
Body Material	PTFE / stainless steel 316 L	PTFE	1.4571 stainless steel	Stainless steel 1.4435	PEI	Polysulfone	Stainless steel 1.4435	PES	PEEK	PFA	PP	PEEK virgin FDA
Connection	Fixed cable	Fixed cable	Memosens / 7-pin connector	Memosens	Fixed cable	Memosens	VP	Memosens / 5 m cable	5 m fixed cable	5 m fixed cable	M12	M12
Mounting	1“ weld nipple	Special flange	G 1“ thread	Ingold socket	G 1/2" thread	Pg 13.5	Clamp DN 25	G 1" thread	G 3/4" thread	G 3/4" thread	Various	Various
Certification									ATEX	ATEX


Oxygen Sensors	SE 706	SE 707	SE 715	SE 740
Measurement Parameters	Oxy	Oxy	Oxy	Oxy
Measuring Range	6 ppb ... saturation	1 ppb ... saturation	10 ppb … 20 ppm	4 ppb … 25 ppm
Measuring Principle	Amperometric	Amperometric	Amperometric	Optical
Temperature Range, Oxy Measurement	0 … 80 °C	0 … 80 °C	-5 … 45 °C	-10 … 85 °C
Pressure, Relative	-0.8 … 5 bar	-0.8 … 5 bar	0 … 2 bar	-1 … 12 bar
Body Material	1.4404 stainless steel	1.4404 stainless steel	Polysulfone / stainless steel	Stainless steel 1.4435
Sterilization Capability	Steam max 135 °C	Steam max 121 °C		Steam max 140 °C
Connection	Memosens / VP	Memosens / VP	Memosens	M12
Mounting	Pg 13.5	Pg 13.5	Pg 13.5	Pg 13.5
Approval	ATEX	ATEX


	ARD 50	ARD 75	ARD 170	ARD 220	ARD 230	ARF 101	ARF 200/202	ARF 201	ARF 210	ARF 215	ARF 240	ARI 106 (H)
Type
Immersion Fitting	●	●	●	●	●
Flow-Through Fitting						●	●	●	●	●	●
Inline Fitting												●
Retractable Fitting
Retractable Fitting, Ceramic Seal
Ball Valve Fitting
Ex Approval
Material, Process-Wetted
Stainless Steel				●	●		●		●		●	●
Polymer	●	●	●	●	●	●		●		●		●
Hastelloy							●
Titanium
Process Connection
Flange	●	●		●	●				●	●	●
ANSI Flange	●	●									●
Hygienic Adaptations												●
Ingold												●
For Open Basins	●	●	●	●	●
G ¼"							●	●	●	●
Hygienic Application												●
Automatic
Manual				●	●	●	●	●	●	●	●	●
Immersion Depth (mm)
≤ 70 mm
≤ 100 mm
≤ 135 mm
≤ 250 mm	●	●	●	●	●
≤ 500 mm	●	●	●	●	●
≤ 1 m	●	●	●	●	●
≤ 2 m	●	●		●	●
Max. Pressure (bar)
Unpressurized	●	●	●	●	●	●	●	●	●	●	●	●
≤ 3 bar	●	●		●	●	●	●	●	●	●	●	●
≤ 6 bar	●	●		●	●			●	●	●	●	●
≤ 10 bar									●		●	●
≤ 15 bar
≤ 20 bar
≤ 30 bar
Max. Temperature (C°)
≤ 50 °C	●	●	●	●	●	●	●	●	●	●	●	●
≤ 80 °C	●	●	●	●	●		●	●	●	●	●	●
≤ 100 °C	●	●		●	●		●		●	●	●	●
≤ 120 °C	●	●		●	●		●		●	●	●	●
≤ 135 °C				●	●		●		●			●
≤ 160 °C


	WA 130	WA 130 H	WA 131	WA 131 H	WA 131 M	WA 131 MH	WA 132	WA 133	WA 133 M	WA 150/153	WA 154	WA 150/153	WA 125
Type
Immersion Fitting
Flow-Through Fitting
Inline Fitting
Retractable Fitting	●	●	●	●	●	●	●	●	●	●	●	●
Retractable Fitting, Ceramic Seal										●	●	●
Ball Valve Fitting													●
Ex Approval	●	●	●	●	●	●	●	●	●	●	●	●
Material, Process-Wetted
Stainless Steel	●	●	●	●	●	●	●	●	●	●	●	●	●
Polymer	●		●		●					●		●
Hastelloy	●		●		●					●	●
Titanium	●		●		●					●	●
Process Connection
Flange	●		●		●		●			●		●	●
ANSI Flange	●		●		●		●			●
Hygienic Adaptations		●		●		●		●	●	●	●	●
Ingold	●	●	●	●	●	●
For Open Basins
G ¼"							●	●	●
Hygienic Application		●		●		●	●	●	●	●	●	●
Automatic	●	●	●	●	●	●	●	●		●	●	●
Manual					●	●			●				●
Immersion Depth (mm)
≤ 70 mm	●	●	●	●	●	●	●	●	●	●
≤ 100 mm	●	●	●	●	●	●	●	●	●	●
≤ 135 mm	●		●		●					●			●
≤ 250 mm											●		●
≤ 500 mm											●
≤ 1 m												●
≤ 2 m												●
Max. Pressure (bar)
Unpressurized	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 3 bar	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 6 bar	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 10 bar	●	●	●	●	●	●	●	●	●		●		●
≤ 15 bar
≤ 20 bar
≤ 30 bar
Max. Temperature (C°)
≤ 50 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 80 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 100 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 120 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 135 °C	●	●	●	●	●	●	●	●	●	●	●		●
≤ 180 °C

Industrial Products for Process Analytics

Analytic devices, sensors and fittings

Industrial Transmitters

Industrial Sensors

Automatic Cleaning and Calibration Systems

Fittings

Industrial Sensors

pH / ORP Sensors

Conductivity Sensors

Oxygen Sensors

Fittings

Static Fittings

Retractable Fittings

Industrial Transmitters