JUMO Wtrans p - Pressure Transmitter with Wireless Data Transmission (402060)

Feature: for stationary and mobile pressure measurement

• 0 to 250 mbar up to 0 to 600 bar relative/absolute
• Radio frequency 868.4 MHz
• Range in free field up to 300 m
• Battery status monitoring
• Optionally available in combination: analog output, serial interface, and relay contact in associated DIN rail receiver
• Configurable with easy-to-use PC setup program
• Configurable transmission interval (0.5 to 3600 s)
• Configurable transmitter detection
• Customer-specific linearization (value pairs in tabular form or polynomial of the fourth order)
• OnlineChart of the measured values

Customer benefits

• Process reliability
  The sensors have a high level of overload protection and long-term stability. The full final inspection in the fully-automated measuring and calibration facility ensures that each pressure transmitter is of high quality.

• Time-saving, simple, and versatile
  The pressure transmitter is configured by connecting a laptop with the easy-to-use setup program installed (connection with standard mini USB cable). Once the process parameters are determined they can be conveniently and reliably transferred to other devices. Regardless of whether the device is used on stationary plants, in locations that are difficult to access, mobile systems, or even on moving and rotating components, the JUMO Wtrans p reduces mounting and installation effort in the concept phase or retrofitting. It also negates the need for a cable, which is especially important when cable laying is not possible or is technically complicated.

• Always application-oriented
  Special applications can be integrated with up to 40 pairs of values by using customer-specific linearization. In addition: a polynomial of the fourth order can be entered or determined based on the added tabular values. In addition, a measured value diagram, referred to as OnlineChart, can be included in the setup. This graphic monitoring for analysis and documentation of the measured values supports your startup processes.

Applications

• Replacement for cables when cable laying is technically challenging or too costly
• For spatial mobility: for use with moving, rotating, traveling, and non-fixed plant components
• For unrestricted flexibility (e.g. for temporary measurements) whereby time-intensive mounting and installation is not required
• For hygienic processes

The pressure transmitter with wireless data transmission Wtrans p is intended for industrial use. It is used in conjunction with a Wtrans receiver for the stationary or mobile
detection of the pressure in liquid or gaseous media. The pressure transmitter operates according to the strain gauge measuring principle.

The measured values are transmitted wirelessly to the receiver of the Wtrans system. The measured values are displayed on the receiver and are available at the RS485 interface in digital form and at the analog outputs as electrical standard signals. Optionally, different alarms can be signaled at the receiver with two relay outputs.
The pressure transmitter can be installed in any installation position. Optimum alignment of the receiver must be ensured. The ambient temperature range in which the device can be used is from -30 to +85 °C.

The radio frequency of the Wtrans measuring system is 868.4 MHz (Europe). The frequency is almost impervious to external interference and allows transmission even in harsh industrial environments. If the holder for wall mounting the antenna is used with a 3 meter antenna cable on the receiver side, the range in free field is up to 300 m. A 3.6 V lithium battery (size C) is used as the voltage supply for the pressure transmitter.

A setup program is available as an accessory for easy configuration and parameterization of the pressure transmitter and the Wtrans receiver on the laptop/PC. Optionally, the OnlineChart function can be used to record the measured values on the laptop/PC.

Additional transmitters for temperature and voltage
• Data sheet 902930
• Data sheet 707060
Suitable Wtrans receiver
• Data sheet 902931

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