Measuring principle

Potentiometric

Application

Long-term monitoring and limit control in processes with stable process conditions
Water and wastewater treatment

Characteristic

Digital pH electrode for standard applications in process and environmental technology with dirt-repellent PTFE ring junction and built-in temperature sensor

Measurement range

Application A
• pH: 1 to 12
Application B
• pH: 0 to 14
Application F
• pH: 0 to 10

Measuring principle

Gel compact electrode with PTFE ring junction

Design

All shaft lengths with temperature sensor
Advanced gel technology

Material

Sensor shaft: Glass to suit process
pH membrane glass: Type A, B, F
Metal lead: Ag/AgCl
Aperture: Ring-shaped PTFE junction, sterilizable
O-ring: FKM
Process coupling: PPS fibre-glass reinforced
Nameplate: ceramic metal oxide

Dimension

Diameter: 12 mm (0.47 inch)
Shaft length: 120, 225, 360 and 425 mm
(4.72, 8.86, 14.17 and 16.73 inch)

Process temperature

Application A: –15 to 80 °C (5 to 176 °F)
Application B: 0 to 135 °C (32 to 275 °F)
Application F: 0 to 70 °C (32 to 158 °F)

Process pressure

Applications A and B:
0.8 to 17 bar (11.6 to 246.5 psi) absolute
Application F:
0.8 to 7 bar (11.6 to 101.5 psi) absolute

Temperature sensor

NTC 30K

Ex certification

With ATEX, IECEx, CSA C/US, NEPSI, Japan Ex and INMETRO approvals for use in
hazardous areas Zone 0, Zone 1 and Zone 2

Connection

Inductive, digital connection head with Memosens 2.0 technology

Ingress protection

IP68

Additional certifications

Additional certifications