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3: Operating Procedures

Portaflow 220 User Manual 25

(Issue 1.0)

3.7.4 How to turn the pulse output OFF/ON

3.7.5 Pulse output signal calibration

3. Select Vol per pulse and enter the required value. (In the example shown, a pulse is produced every

10 litres of flow).

4. Select a Pulse width (in ms) to suit the particular application – e.g. electro-mechanical counter. Refer to

the manufacturer’s data sheet for the minimum pulse width.

5. Select Exit and press ENTER to return to the FLOW READING screen.

1. With the instrument operating in the FLOW

READING mode, press the Pulse function

key to access the PULSE OUTPUT screen.

2. A Pulse output is ON message

appears in the second line of the display.

3. Select Exit and press ENTER to return to

the FLOW READING screen.

PULSE OUTPUT DD-MM-YY HH:MM:SS

Pulse output is ON

Dim: mm

Flow units : litres

Output : Off

Vol per pulse : 10.00

Pulse width (ms) : 10

Exit

1. With the instrument operating in the FLOW

READING mode, press the Pulse function

key to access the PULSE OUTPUT screen.

2. To change the flow measurement units

select Flow units and press the required

units function key (7), (8), (9).

PULSE OUTPUT

DD-MM-YY HH:MM:SS