SPI-73

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SPI-73 are the flow meters designed to work in tandem with the pulse flow transducers with coefficients ranging from 0,01 to 9999,99 pulses per litre. Wide range of total flow (up to 15 significant digits) enables flow volume control for a long time. The counters have 1 relay or OC output, which is programming depending on the actual instantaneous value of the flow.

Parameters

Power supply 19V ÷ 50V DC; 16V ÷ 35V AC or 85 ÷ 260V AC/DC
Measurement range 0 ÷ 999999 + decimal point
Power consumption for 85 ÷ 260V AC/DC and 16V ÷ 35V AC power supply: max. 4,5 VA; 19V ÷ 50V DC power supply: max. 4,5 W
Input pulse galvanically isolated with contacts oscillation damping, max. frequency from 10 kHz; reset of totalizer counter: edge or level triggered, galvanically isolated
Data memory non-volatile memory, EEPROM type
Communication interface RS-485 / Modbus RTU (not galvanically isolated)
Output 1 relay output (option) 1A/250V AC (cos fi=1) or OC 30mA/30VDC/100mW; power supply output: 24V DC + 5% -10% / max 100 mA
Transmission parameters 1200 ÷ 115200 bit/s, 8N1 and 8N2
Storage temperature -10°C ÷ +70°C or -20°C ÷ +70°C (with option 08)
Operating temperature 0°C ÷ +50°C (standard), -20°C ÷ +50°C (option)
Accuracy instantaneous flow values: selected in the range 0 ÷ 0,00000; total flow accuracy: selected in the range from ± 1 to ± 0,0001
Case panel mounting
Case dimensions 72 x 36 x 97 mm
Protection class IP 65 (front), available additional frame IP 65 for panel cut-out sealing; IP 20 (case and connection clips)
Panel cut-out dimensions 66,5 x 32,5 mm
Display LED, red, 6 x 9 mm high
Total flow capacity over 4 x 10^9 pulses (max. 16 significant digits)
Instantaneous flow precision selected from range: 0 ÷ 0.00000
Total flow unit I or m3
Instantaneous flow unit l or m3 per second, minute or hour
Pulse waiting time settable from 0,1 do 39,9 seconds
Total flow precision selected from range: 0 ÷ 0.000
Installation depth min 102 mm

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