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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


	Protos II 4400	Protos 3400	Stratos Multi	Stratos Evo	Stratos MS	Stratos Pro	Stratos Eco	MemoRail	MemoRail Modbus	Stratos Pro PA/FF	Stratos Evo DP	MemoTrans MT201N
4-Wire	●	●	●	●	●		●	●	●		●
2-Wire						●				●
Class 1, Division 1	FM, IECEx, ATEX	FM, IECEx, ATEX				FM, IECEx, ATEX				IECEx, ATEX		●
Class 1, Division 2	FM, IECEx, ATEX	FM, IECEx, ATEX	●	IECEx, ATEX		FM, IECEx, ATEX	FM	UL		IECEx, ATEX
Memosens Sensors	●	●	●	●	●	●		●	●	●	●	●
Analog Sensors	●	●	●	●		●	●			●	●
Multi-Parameter Digital	●	●	●	●	●			●	●	●	●
Multi-Parameter Analog	●	●	●	●						●	●
Multi-Channel Digital	●	●	●	pH/pH, pH/OXY					●
Multi-Channel Analog	●	●		Cond/Cond		Cond/Cond
Pfaudler Sensor Compatible	●	●	●	●		●				●	●
4…20 mA output	2	2	2/4	2	2	1/2	2	2				1
PROFINET	●		●
EtherNet/IP			●
HART / AMS Compatible			●	●		●						●
Profibus DP											●
PROFIBUS PA / FOUNDATION Fieldbus	●	●								●
Modbus RTU									●
Relays	●	●	●	●	●		●				●
4…20mA Input	●	●	●	●		●
Digital Input	●	●	●	●		●				●	●
Input for SE 740 Optical Oxygen Sensor	●	●	●	●					●		●
Display - Colored Backlighting			●	●		●				●	●
Display - White / Alarm: Red			●		●
Matrix Display	●	●
Memosens Diagnostics	●	●	●	●	●	●			●	●	●
Unical/Uniclean Probe Controller		●


	ARD 50	ARD 50 EL	ARD 75	ARD 75 EL	ARD 170	ARD 220	ARD 230	ARD 250	ARF 101	ARF 200/202	ARF 201	ARF 203	ARF 210	ARF 215	ARF 240	ARI 106 (H)
Type
Immersion Fitting	●	●	●	●	●	●	●	●
Flow-Through Fitting									●	●	●	●	●	●	●
Inline Fitting																●
Sensors & Adapters
pH sensor	●	●	●	●	●	●	●	●	●	●	●	(●)	●	●	●	●
pH sensor with pressurization			●	●								(●)	●	●		●
Conductivity sensor, conductive	●	●	●	●	●	●	●	●		●	●	●	●	●		●
Conductivity sensor, inductive	●		●	●		●							●	●
Oxygen Sensor	●	●	●	●	●	●	●	●	●	●	●		●	●	●	●
Optical sensor
Combination with retractable fitting												●	●	●
Ex Approval
Material, Process-Wetted
Stainless Steel						●	●			●		●	●		●	●
Polymer	●	●	●	●	●			●	●		●			●		●
Hastelloy										●		●
Titanium
PFA
Process Connection
Flange	●	●	●	●		●	●	●					●	●	●
ANSI Flange	●	●	●	●									●	●	●
Hygienic Adaptations																●
Ingold																●
For Open Basins	●	●	●	●	●	●	●	●
Thread connection (G, NPT)	●		●	●		●	●			●	●	●	●	●
Hygienic Application																●
Immersion Depth (mm)
≤ 70 mm
≤ 100 mm
≤ 135 mm
≤ 250 mm	●	●	●	●	●	●	●
≤ 500 mm	●	●	●	●	●	●	●
≤ 1 m	●	●	●	●	●	●	●	●
≤ 2 m	●	●	●	●		●	●	●
Max. Pressure (bar)
Unpressurized	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 0,3 bar	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 0,5 bar	●	●	●	●	●	●	●		●	●	●	●	●	●	●	●
≤ 1 bar	●		●		●	●	●		●	●	●	●	●	●	●	●
≤ 3 bar						●	●		●	●	●	●	●	●	●	●
≤ 6 bar						●	●			●	●	●	●	●	●	●
≤ 10 bar										●		●	●		●	●
≤ 15 bar										●
≤ 20 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 160	WA 125
Type
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	●	●	●	●	●	●
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	●	●	●	●	●	●	●	●	●	●	●		●
Max. Temperature (C°)
≤ 50 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 80 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 100 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 120 °C	●	●	●	●	●	●	●	●	●	●	●	●	●
≤ 135 °C	●	●	●	●	●	●	●	●	●	●	●


	SE 503	SE 515	SE 554	SE 555	SE 557	SE 558	SE 559	SE 560	SE 571	SE 564	SE 565
Measurement parameters	pH	pH	pH / ORP	pH / ORP	pH	pH	pH	pH	pH	ORP	ORP
pH / ORP Range	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
Medium	Water	Water	strongly oxidizing media, polluted media	aggressive media, extreme pH values	Water, Boiler feed water	water for injection (WFI), ultrapure water	Water	cooling brine, low-conductivity media	media of extremely high ionic strength, strongly oxidizing media	Dyes, polluted media	heavily polluted media
Temperature	-5 … 80 °C	-5 … 80 °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	-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	Pt1000	NTC 30 kΩ	NTC 30 kΩ / Pt1000	NTC 30 kΩ / Pt1000	NTC 30 kΩ / Pt1000	NTC 30 kΩ / Pt1000	NTC 30 kΩ	Pt1000	NTC 30 kΩ	NTC 30 kΩ	NTC 30 kΩ
pH Glass / Electrode Material	Universal	Universal	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	Hole	Ceramic	Ceramic	Ceramic, 3x	Annular junction	Platinum (3x)	PTFE ring	Hole	Ceramic
Reference Electrolyte	Gel	Gel	Polymer	Gel, pressurized	Liquid, refillable	Gel with KCl reservoir	Polymer	Liquid, refillable	Gel with KCl reservoir	Polymer	Gel, pressurized
Connector	VP	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	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


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 ... 600 µS/cm ± 2 % 600 ... 1000 µS/cm ± 4 %	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	1.4571 stainless steel	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

Industrial Products for Process Analytics

Analytic devices, sensors and fittings

Industrial Transmitters

Industrial Sensors

Automatic Cleaning and Calibration Systems

Fittings

Industrial Transmitters

Fittings

Static Fittings

Retractable Fittings

Industrial Sensors

pH / ORP Sensors

Conductivity Sensors