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Moisture In Oil Transmitter
Moisture in Tobacco
Moisture in Wood

 

 

 

 

 

 

Moister In Oil Transmitter
 
 
EE36 Series
E+E Transmitter Series EE36 are specially designed for the measurement of water content in oil. EE36 is ideal for online monitoring of moisture in lubrication or insulation oil, which is very important for the long-term performance and adaptive maintenance of plant and machinery.

For instance, moisture affects dramatically the insulation characteristics of electrical transformer oil and therefore continuous monitoring is extremely important.
Features :
  • The EE26 series are  specially designed for online monitoring of moisture in lubrication or insulation oil.
  • Working range : 0……1 aw; -40……1800 C (-40.3560 F)  
  • Accuracy : -+0.02 aw ; -+0.20C (-+0.360 F)
  • Output : 0 – 5V / 0 – 10V or 0 – 20mA / 4 -20 mA configurable by software
  • Supply voltage: 12.30V AC / 8……35V DC
Applications :
  • Monitoring of transformer oil
  • Monitoring of hydraulic oil
  • Monitoring of ship engines
  • Oil Filtration Plant
  • Industrial Processes
Humidity measurement in oil
Similar to the humidity in the air, the water content in an oil can be described by the absolute value in ppm or by the relative value aw:
- ppm (mass of water / mass of oil)
- aw (actual water content as fraction of the water content in the saturated oil)

aw = 0 corresponds to water-free oil, while aw = 1 describes fully saturated oil. aw measurement with EE36 transmitter series is based on the outstanding long term stability and resistance to pollution of the E+E capacitive sensor elements series HC.
Product Versions
The physical quantities measured are water activity aw and temperature T. With these quantities EE36 calculates the water content (ppm) in mineral transformer oils. Calculation of water content in non-mineral transformer oils and lubrication oils can be accomplished by downloading specific parameters of the oil. The measured and the calculated values are available on two free scaleable and configurable analogue outputs. In addition, an optional relay output can be used for alarms and process control.
Installation
The sensing probe is designed for inline monitoring and can be placed directly in the oil, at pressures up to 10bar (145psi). In addition to direct mounting of the sensing probe, a ball valve installation provides mounting and removal of the probe without interrupting the process.
Easy Calibration and Adjustment of EE36
The user can easily readjust or calibrate the transmitter by using either a simple procedure with two push buttons on the printed circuit board or the configuration software.
Software Tools
The configuration software is included in the scope of supply and allows an easy and fast configuration of the analogue outputs and of the alarm and control thresholds. Further features of the configuration software are adjustment and calibration of the outputs and service operations such as replacement of the sensing elements or of the entire sensing probe.
Features of EE36
Measurement of aw and T at pressure up to 10bar (145psi)
Calculation of water content in ppm for mineral transformer oil
Two free scaleable and configurable analogue outputs
Probe cable length up to 10m (32.8ft)
Easy on site adjustment and calibration of aw and T outputs
LED indication for operation and sensing probe status
User configuration of the instrument with PC via RS232 interface
Configuration software
Display of aw, T and water content with MIN/MAX function optional
Two free configurable relays outputs optional
Replaceable sensing probe optional
Connector for power supply and outputs optional
       
       
 
 
EE381 Series
E+E Transmitter Series EE381 are specially designed for the measurement of water content in oil. EE381 is ideal for online monitoring of moisture in lubrication or insulation oil, which is very important for the long-term performance and preventive maintenance of plant and machinery. For instance, moisture affects dramatically the insulation characteristics of electrical transformer oil and therefore continuous monitoring is extremely important.