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Equipment for pH and conductivity measurements in the EX zone

WTW delivers the complete equipment series for pH or conductivity measurement in the EX zone - EX sensors, EX measuring chains, EX monitors and isolated amplifiers

WTW's Equipment for pH and conductivity measurements in the EX range
WTW's Equipment for pH and conductivity measurements in the EX range
_white_ EX monitor Isolated amplifier EX sensors _H
_white_ StratosPro WG 21 A7 SensoLyt® 650-7 EX TetraCon® 700-... EX
Display and settings _X_
Outputs 1 or 2 x 4 … 20 mA 1 x 4 … 20 mA
Power measurement circuit _X_
Auxiliary voltage 24 V AC/DC _X_
HART® communication _X_
Integrated pre-amplifier _X_
Analog signal output (high ohm) _X_
Analog signal output _X_
integrated NTC _X_ _X_
Installation of EX measuring chain _X_
Different cable lengths _X_
pH/ORP_blue65_ _O_ _O_ _O_
conductivity_blue65_ _O_ _O_ _O_

You will first need an EX sensor to configure your EX measuring point: for pH the SensoLyt® 650-7 EX with a freely selectable EX electrode; for conductivity an 4-electrode measuring cell of the TetraCon® 700-… EX series.

Matching this, we offer EX monitors you can easily and quickly connect to EX sensors with open cable ends. Depending on the measuring values to be processed (measured value without or with temperature), you decide on 1 or 2 analog outputs.

The power supply of these elements installed in the zone by an intrinsic power circuit is the isolated amplifier of the WG 21 A7 series, optionally equipped with a 24 V AC/DC auxiliary voltage or the option for HART® communication.

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