Burkert – Type MS04 Redox Sensor Cube

Redox Sensor Cube

This sensor cube measures the oxidation reduction potential in the water and is designed for operation on a fluidic backplane in the device key 8905 online analysis system.

The Redox value is one of the most important water parameters. The value is an indicator for the activity of the disinfectant, with no measure of the applied dose but with measure of the remaining residual. T

he electrical and fluidic connections are made via the backplane of the system. The sensor cube communicates with the system via the digital büS interface, allowing fully automatic login to the online analysis system. If the sensor is plugged into the system, it automatically logs on to the büS and can be parameterised according to customer requirements.

The sensor cube is available in 2 variants. The standard version provides protection against biological growth on the reference electrode and is recommended for applications with no or very low chlorine in the water. The drinking water version is without anti-fouling equipment and is mainly required in applications with drinking water approval.

type ms04

• Burkert - Type 8905 Online water analysis system

General Technical Data

Product properties
Materials	Please make sure the device materials are compatible with the fluid you are using. Detailed information can be found in chapter “2.1. Chemical Resistance Chart – Bürkert resistApp” on page 4.A5
Housing	PPE+PS
Lever	Zamak
Seals	EPDM
Dimensions	Detailed information can be found in chapter “3. Dimensions” on page 4.
ORP sensor	Platinum potentiometric 2-electrode measuring cell
Electrolyte (reference electrode)	• Standard version: Ag/AgCl, 3 mol KCl with biocide for use without chlorine (<0.2 ppm) • Drinking water version: Ag/AgCl, 3 mol KCl without biocide
Compatibility	With Online Analysis System Type 8905 (the electrical and fluidic contact is made via backplane system.) Detailed information can be found in the data sheet of the online analysis system, see data sheet Type 8905  for more information.
Measuring range	2000…+ 2000 mV
Maintenance	12 months nominal, depending on the water quality
Performance data
ORP measurement Measurement deviation	± 10 mV
esponse time (t90)	< 10 s
Medium data
Fluid	Water without particles: drinking water, industrial water
pH range	pH 4…pH 9
Sample water
Temperature	+ 3…+ 40 °C (+ 37…+ 104 °F)
Pressure	PN3
Flow rate	6 l/h
Electrical data
Operating voltage	24 V DC through the backplane of the system Type 8905 via büS
Power consumption	0.8 VA
Process/Port connection & communication
Process connection	Via pinch valve in the fluidic backplane of the Type 8905 Detailed information can be found in the data sheet of t the Online Analysis System, see data sheet Type 8905  for more information.
Electrical connection	Spring contacts in the fluidic backplane of the Type 8905, which is connected to a büS System Detailed information can be found in the data sheet of t the Online Analysis System, see data sheet Type 8905  for more information.
Internal communication	Through büS (Bürkert bus, CANopen protocol)
External communication by status LED	According to NAMUR NE 107
Approvals and Certificates
Standards Degree of protection according to  IEC/EN 60529	• IP65, when plugged in the fluidic backplane • IP20, as standalone product
Directives CE directives	The applied standards, which verify conformity with the EU Directives, can be found on the EU Type Examination Certificate and/or the EU Declaration of conformity (if applica-ble)
Environment and installation
Ambient temperature Operating	0…+ 40 °C (+ 32…+ 104 °F)
Storage and transport	For empty/purged sensor cube • – 10…+ 60 °C (+ 14…+ 140 °F) without the reference electrode • + 3…+ 40 °C (+ 37…+ 104 °F) with the reference electrode
Relative air humidity	≤ 90 %, without condensation
Height above sea level	Max. 2000 m
Operating condition	Continuous
Equipment mobility	Fixed
Application range	Indoor and outdoor (Protect the device against electromagnetic interference, ultraviolet rays and, when installed outdoors, against the effects of climatic conditions)
Installation category	Category I according to UL/EN 61010-1
Pollution degree	Degree 2 according to UL/EN 61010-1

*For selecting thecorrect product please refer to the technical data, images and notes for proper use according to the data sheet, or contact Flu-Tech directly.

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