Tecfluid CP420L User Manual

Page 6

7. MODELS

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C COVOL input

T Turbine input

L Local mounting on the flow meter

R DIN rail mounting inside a switchboard

P Transmitter with analog output

H Transmitter with analog output and HART communication

8. TECHNICAL

CHARACTERISTICS

8.1. Power supply

2 wires, by means of the loop current.
The instrument has a protection diode to avoid damage if the power supply is connected
with inverted polarity .

Nominal voltage:

7.5 ... 36 VDC

Power consumption:

≤ 20 mA

8.2. Totalizer

N. of digits:

Size of the digit:

8 mm

Reset:

By means of push button

8.3. Flow rate Indication

N. of digits:

Size of the digit:

5 mm

8.4. General characteristics

Ingress protection:

IP65

Ambient temperature range:

0 … +60 ºC

8.5. Input terminals

Terminal n.

COVOL

Turbine

Common

Ground

Live

—

Live

8.6. Inputs characteristics

NOTE: The input terminals are not isolated from the 4-20 mA loop. Under no
circumstances can an electrical connection be made between the 4-20 mA loop and
the inputs. In the event of supplying various transmitters with the same power
supply one must make sure that the inputs isolated between each other (except the
shields of the turbine pick-ups which can be connected together).

This manual is related to the following products:

CH420L