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Measurements are absolutely necessary when it comes to assess the hydraulic conditions of sewage networks or special constructions.
The importance of portable, power-independent flow meters for determination of infiltration, channel efficiency, sewerage master planning or influent control is hence continuously rising. Reliable and significant data representing typical operational conditions of the measurement places are to be gained with the help of these data.
It is very often required to carry out the measurements only for a few weeks or months to obtain representative data.
A measurement system for portable flow measurements basically consists of a transmitter Type PCM for power supply, data entry, indication and data storage plus a sensor for the recording of measurement data.
Sensor construction as well as the built-in pickups may be customised individually according to the conditions prevailing on site.
For flow velocity measurement starting at flow levels as low as 3 cm up to several meters there is a wide selection of sensors available.
|Power supply||Rechargeable battery: 12V/12 Ah, lead gel Battery box for 12 Mono cells 1.5V (Type LR) Power adapter 100 - 240 V AC; 50/60 Hz|
|Enclosure||Material: Polypropylene, Impact resistant Weight: approx. 2.0 kg (without sensor and battery) Protection: IP 67 with closed and locked lid|
|Operating temperature||-10 °C to +50 °C|
|Storage temperature||-30 °C to +70 °C|
|Max. humidity||90 %, non-condensing|
|Display||Back-lit full graphic LC display, 128 x 64 Pixel|
|Operation||18 keys, menus in German, English, French, Italian, Spanish, Polish, Czech and Danish|
|Inputs||1 x plug socket 4 - 20 mA for external level (2-wire probe) or 1 x active air-ultrasonic sensor (OCL) for level measurement 1 x plug socket for active combi sensor water-ultrasound/pressure sensor for flow velocity and level measurement or EBM 1 x multifunctional socket for digital and analog inputs and outputs 1 x connection socket for combined power adapter and battery charger or alternative power supply|
|Outputs||1 x relay (SPDT) switching capacity: 250 VAC/30 VDC, 5A switching frequency: 5 Hz 1 x voltage output 0 - 10 V|
|Storage cycle||1 – 60 minutes, time-cyclic or event-based|
|Data memory||External on plug-in Compact Flash Card up to 128 MB internal RAM with 8 MB|
|Data transmission||Via plug-in Compact Flash Card 1 x plug socket for Bluetooth module or NivuLog PCM (optional)|
Specifications subject to change.
|Memory Card||Type: Compact Flash Card; capacity: 128 MB|
|Readout adapter||Adapter for PCMCIA interfaces, primarily for readout using laptop or notebook|
|Readout device||with USB interface for connection to PC|
|Rechargeable battery pack||Pre-configured lead gel battery pack|
|Battery charger||with direct connection for pre-configured lead gel battery pack|
|Pipe mounting system||for temporary, non-permanent clamping installation of wedge sensors (water-ultrasonic combi sensor and air-ultrasonic sensor) in pipes DN 200 - 800 and egg profiles up to h = 600mm|
|Suspension bracket with eyelet||for fastening of PCM 4 on fixed ladders and similar|
|Bluetooth module||for connection to PCM 4|
|GSM module||for connection to PCM 4|
|NivuLog PCM||for connection to PCM 4|
|Battery charger||for battery pack of the GSM module|
Specifications subject to change.
Transmitter, sensors, accessories, areas of use
Instruction Manual for portable Flow Measurement Device PCM 4
Wiring of pre-configured Cables for Transmitters Type PCM