JUMO dTRANS Lf01 / RW01

Product description:

JUMO dTRANS Lf 01/ RW 01
Microprocessor transmitter / controller for measuring conductivity and high-purity water

These two dTRANS instruments from M.K. Juchheim GmbH are innovative and high-performance products. Applications for these controllers are to be found in the analytical measurement sector, for measuring conductivity in aqueous solutions.

These transmitter/controllers have compact dimensions of 96x48x110mm, making them suitable for mounting in the front panels of switchgear cabinets, for example. An outdoor housing suitable for wall mounting is available for these instruments, as an option. The front and the operating unit are built to enclosure protection class IP65. The instruments can be easily operated from the membrane keypad. Measurements are shown in two 4-digit
7-segment displays. The upper display (red) is used to show the conductivity of the medium concerned, the lower display (green) serves to show the temperature of the medium being measured. During calibration and parameterization, these displays are used to show the code settings with comments. These can be entered into the instrument by following the operating instructions.

The JUMO dTRANS transmitters can be configured as a limit controller, pulse width or pulse frequency controller, with a P, PI, PD or PID controller action. The instruments are equipped as standard with two analog inputs (measurement signal input + temperature) and two logic inputs. Outputs are provided as two relay contacts and one logic output that can be used as an alarm output or a temperature limit signal. The instruments can be extended by fitting additional card modules in the expansion slots. The maximum level of expansion is: one logic output, one analog process value output (electrically isolated).

The JUMO dTRANS instruments can also be fitted with two extra relay changeover contacts, in place of the analog process value output. A PROFIBUS DP interface is available as an alternative to the serial interface. If an interface card is fitted, then one extra relay changeover contact or one extra process value output can no longer be fitted. The user can choose between two supply power options: 20 ? 53V AC/DC or 110 ? 240V AC. Setup software is also available as an option for these transmitters, enabling their individual configuration and parameter setting from a laptop via an adapter cable. Codes protect the four different setting levels from incorrect operation by unauthorized persons.

Features:

• Compact design
  
• Simple, guided calibration procedure
  
• Large 4-digit displays
  
• The temperature can be monitored and displayed
  
• 2 relay outputs
  
• 1 electrically isolated, analog process value output
  
• External setpoint changeover by logic signal (floating)
  
• 1 logic output
  
• Protection to IP65 at front
  
• Optional interface card, e.g. PROFIBUS
  
• Expansion option: 2 relay outputs
  
• Expansion option: 2 analog process value outputs
  
• Parameterization / configuration software (on request)
  
• Outdoor / surface mounting housing (on request)
  

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