8693中文资料宝帝流体控制系统数据手册PDF规格书

The Bürkert conductivity meter Type 8222 is designed for measuring the conductivity

of fluids.

The sensor element comprises a two-electrode cell and a Pt1000 temperature

probe. The sensor itself is available with three different cell constants C. These with

C= 0.01 or 0.1 cm- 1 are fitted with stainless steel electrodes and those with

C= 1.0 cm- 1 are fitted with graphite electrodes. Thus, due to the measurement

device’s design, Bürkert has simplified installation and maintenance work.

The device Type 8222 is available in two variants.

The first one, the so-called ELEMENT standard is proposed either with three

adjustable outputs (two digital outputs and one analogue output) or with four

adjustable outputs (two digital and two analogue) and can be equipped with a display.

The display is only necessary for start-up, configuration (e.g. measuring

range, units, calibration, thresholds) or as a display of process values.

The second variant, the so-called ELEMENT neutrino is a 2-wire device, without

display, with a 4…20 mA current output or with a digital communication mode that

can communicate either in IO-Link or in büS (Bürkert system bus based on CANopen).

Both variants are available with a G 1½ union nut for installation in an adaptor with

a G 1½ external thread sensor connection. The adaptor is mounted into the process.

The ELEMENT neutrino variant is also proposed with a G ¾ external thread

for screwing into an adaptor with a G ¾ internal thread sensor connection.

The device Type 8222 converts the measuring signal and computes the output

signals, which are provided via one or two M12 plug connections for the ELEMENT

standard variant as well as via one M12 plug connection or on a terminal strip via a

cable gland for the ELEMENT neutrino variant. The device in the ELEMENT standard

variant shows several values in different measuring units (if display is mounted).

Type description