OCM E

- stasjonær vannføringsmåler

• Measurement without cross-section changes in existing profiles
• Measurement accuracy independent from medium and conductivity
• Programming per frontside keyboard or laptop
• Galvanic isolation between input- and output power supply
Inputs
• 1 x 0/4-20mA for water level
• 2 x flow velocity
• 1 x 0/4-20mA for external control set point value
Outputs
• 2 x 0/4-20mA, volume-, velocity- or height-proportional
Relays
• 4 x 1A/24V free programmable

The stationary flow measurement type OCM E is the follow-up of the thousandfold approved OCM/D. Unlike the OCM/D it has an additional second, free programmable analog output as well as a frontside keyboard, which eliminates the necessity of a separate handprogrammer´s use to operate and observe the transformer.
Further the former 2-space display was replaced by a 4-space back-lit display. Thus, reading the measurement results and the device conditions is even possible under bad lighting conditions.
In the Ex-area the maximum distance between transducer and transformer is 100m (328.1ft). This makes the formerly needed intermediate amplifiers unnecessary.
The measurement system is well suitable for non-syphon flow measurement and control for rainwater, contaminated and wastewater from retention basins, impound channels, bypass constructions and other similar pond constructions or for measurement in channel nets with various different geometries.It combines the operational safety and the accuracy of the non-contact echo sounder level measurement technique with the ruggedness, reliability and drift freeness of the doppler flow velocity transducer.
Equipped with state-of-the-art microelectronics the system enables precise measurements at tough operation conditions as well as a comfortable and accurate control (optional) of desired outflow volumes.
Here, in dry weather periods, flow levels tending to zero can be precisely determined and even smallest flow volumes can be evaluated by using a software which is optimized for the case of application.