Digital accelerometer ZET 7151

Types of sensors connected: accelerometers with charge output
CAN 2.0 data interface
Explosion-proof product version

POR (price on request)

Specifications

of the ZET 7151 Digital Accelerometers

Metrological Data
Measured physical value	Vibration acceleration	Vibration velocity*	Vibration displacement*
Frequency band	1 to 3,200 Hz
Measurement range with the BC112 sensor	1 to 2,000 m/s²	0.1 to 200 m/s	0.1 to 200 mm
Measurement error (of the measured value)	±6 %
Parameters diagnostics	Power supply control, data quality control
Technical Specifications
Data refresh rate	10 Hz (RMS) 8000 Hz (raw data)
Type of connected primary transducers (PT)	vibration transducer with charge output
Socket type for connecting primary transducer	SMA
Data interface	CAN 2.0
Transmission rate	100, 300, 1000 kbps
Operational Specifications
Dimensions	71×39×17 mm
Weight	30 g
Power supply	9 to 24 V
Current consumed at 12 V	40 mA
Reverse polarity protection	yes
Operating temperature range	-40 to +80 °C
Electromagnetic Compatibility, EMC
IEC 61000-4-2, ESD	contact 4 kV, air 8 kV
IEC 61000-4-4, EFT	power supply 0.5 kV, signal 0.25 kV
IEC 61000-4-5, Surge	500 V

* Vibration parameters correlation

Additional Information

Synchronization
The interface converter synchronizes the digital sensors. This allows for observing the interaction in different points (locations of the digital sensors) of the facility.
Hardware Versions
Standard: In a plastic cover (green)
OEM: compound counting.
Heavy Duty*: unit of standard design in an air-tight cover
(with a transparent lid)
*Optional

Operating Principle

of the ZET 7151 Digital Accelerometers

The digital vibration sensor is a primary transducer (charge output accelerometer) combined with a measuring unit (ZET 7151).

The primary transducer is installed on the object to be studied and connected to the measuring unit. When vibration acts on the primary transducer, electric signal proportionate to the acting acceleration is generated at the output. The measuring unit performs analog-to-digital conversion of the sensor signal and transfers vibration values or acceleration instantaneous values via CAN interface.

The characteristics of the primary transducer are set in the device memory and measurements are performed based on those parameters. Thus, the digital sensors releases the user from setting the measuring channels and data processing.

The sensors are fixed on the measurement object while the information transmission units are mounted in electric cabinets. An advantage of the ZETSENSOR units is easy installation and uninstallation as well as indication of feed and signal transmission which, in its turn, facilitates diagnostics of the system at the facility.

Directive 2011/65/EU (ROHS, ROHS II)

DIGITAL ACCELEROMETERS MEET THE REQUIREMENTS OF DIRECTIVE 2011/65/EU (ROHS, ROHS II) CONCERNING LIMITATION TO USE HAZARD SUBSTANCES (PB, HG, CD, CR(VI)) IN ELECTRICAL AND ELECTRONIC EQUIPMENT; THEY ARE MANUFACTURED USING LEAD-FREE METHOD, IN COMPLIANCE WITH THE EUROPEAN COMMUNITY REQUIREMENTS

CONNECTING TO MEASUREMENT NETWORK

of digital accelerometer ZET 7151

Digital accelerometer ZET 7151 can be used to build distributed measurement networks. Interface converters shall be used for connecting the measurement network to the ZETLAB and ZETVIEW systems. The number of sensors connected to ZET 7174 shall not exceed 4 (an external power supply unit is required).

Additionally, ZET 7172 units are used for data transfer via a radio channel. The ZETLAB software supports connection of up to 200 gauges to a single computer.

Scheme-of-measuring-network-based-on-digital-accelerometers

Specialized calculator

for calculating the required type of cables in the construction of measuring lines

Pin definition for connecting to the measurement network

Pin No.	Definition
1	+(9 to 24) V
2	H line of CAN 2.0
3	L line of CAN 2.0
4	GND

BASIC CONFIGURATION

of the ZET 7151 Digital Accelerometers

The standard configuration package of the digital accelerometer includes:

Digital accelerometer ZET 7151;
operation documentation.

POR (price on request)

Data protection notification

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Digital accelerometer ZET 7151

Specifications

Additional Information

Synchronization

Hardware Versions

Advantages

NO ADJUSTMENT IS NEEDED

MEASUREMENT RESULTS

RELIABILITY

EX-PROOF

Operating Principle

Application Scope

SANITARY AND ECOLOGICAL VIBRATION CONTROL

WORKPLACE CERTIFICATION FOR LABOR CONDITIONS

SCIENTIFIC RESEARCH

BUILDINGS AND STRUCTURES VIBRATION CONTROL

MACHINES VIBRATION CHARACTERISTICS MEASUREMENT

PULSE PROCESS MEASUREMENTS

CONNECTING TO MEASUREMENT NETWORK

Specialized calculator

Pin definition for connecting to the measurement network

BASIC CONFIGURATION

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Data protection notification

Necessary measuring equipment

ZETLAB

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