Soil pressure transducer ZET 7010 SP

Control of uneven foundation subsidence of various structures
Control of granular, pastelike and viscous media level during filling
RS-485 digital output

POR (price on request)

Specifications

of digital soil pressure transducer ZET 7010 SP

Metrological specifications
Upper limit of pressure measurement range (URL)	20 MPa
Sensitivity threshold (the minimal possible difference between two consequtively measured values)	500 Pa
Measurement error	0,1 %
Technical specifications
Sampling rate	1 Hz
Data transmission interface	RS-485
Baud rate	4800, 9600, 14400, 19200, 38400, 57600, 115200 bps
Parity check	0 – no control; 1 – control (parity check, ODD)
Data protocol	Modbus RTU
Operational specifications
Dimensions	Ø 120×17 mm
Weight, max.	1,3 kg
Casing material	steel
Power supply of the instrument	9 – 24 V
Consumed power	0,5 W
Reverse polarity protection	yes
Operating temperature range	from -40 up to +80 °С
Operating environment	soil, granular, paste-like or viscous media
Product version	Standard (IP67 protection)
Electromagnetic compatibility EMC
IEC 61000-4-2, ESD	contact 4 kV; air 8 kV
IEC 61000-4-4, EFT	power 0,5 kV; signal 0,25 kV
IEC 61000-4-5, Surge	500 W

Measurement circuit layout

of the digital soil pressure transducers ZET 7010 SP

The use of digital transducers is especially convenient in the case of distributed measurement networks deployment. The main difference from the traditional centralized measurement networks is that there is no need to use the wye-type connection, which also allows to reduce the overall length of the measurement circuits. Since the data is transmitted in digital format, it becomes possible to reduce the requirements for the data communication channel and to use inexpensive cables.

In order to connect the measurement network to ZETLAB and ZETVIEW systems, there is used ZET7070 interface converter ZET 7070 (USB ↔ RS-485), or ZET 7076 (Ethernet ↔ RS-485). ZET 7070 allows to connect up to 4 digital transducers (if the integrated power supply module of ZET7070 is used). In the case of the external power supply, it is possible to connect up to 60 transducers.

Connection-diagram-of-the-Digital-Soil-Pressure-transducer-7010-SP

ZETLAB Software package enables parallel connection of up to 1024 transducers to a single PC. The measurement networks can also be connected to any system with Modbus protocol via RS-485 interface.

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Wire color	Labelling	Designation
Red	1	+(9…24) V
Blue	2	RS-485 line «B» or «DATA -»
Green	3	RS-485 line «A» or «DATA +»
Yellow	4	GND

Soil pressure transducer ZET 7010 SP

Specifications

Designation and operating principles

Contact designation of the digital transducers

Measurement circuit layout

Basic delivery scope

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