MAGNETIC TRASMISSION FLOWMETERS TYPE TMW/D

The TMW/D series flowmeters for indirect readings are instant flow meters with magnetic coupling of the measuring element. The flow rate can be read with great accuracy on the external LCD which, together with the magnetic unit, is held in a sealed, mould-cast aluminium case. Particularly suitable for measuring fluids, both liquid and gaseous, under heavy working conditions, these instruments can be used in a wide range of applications in the chemical, petrochemical, pharmaceutical and food processing industries, etc. The indirect reading flow meter type TMW/D can be mounted both on horizontal pipelines, with right or left flows, and on vertical pipelines, with upwards or downwards flow. They can also supply clean electrical exchange signals for flow alarms (No alarm, minimum contact (Q1), maximum contact (Q2), minimum and maximum contact (Q1 + Q2), bistable contact (Qmin and Qmax)), which can be set with a keypad on the entire scale, as well as a 4-20 mA or 0-10 V electrical output signal proportional to the flow rate, besides displaying the total flow.

By pressing the pushbottons SET1, SET2 and 123 it is possible to set: • the time within which the alarm signal must be triggered (from 0 to 10 s); • the enabling or disabling of the alarm buzzer: if the set limits are exceeded an acoustic warning can be emitted, which can be turned OFF with a pushbutton, or the alarm can be signalled merely by the flashing of the alarm indicator and the LED on the MUTE pushbutton; • the flow rate indication delay time (from 0 to 10 s); • the output signal delay time (from 0 to 10 s); • the selection of the output signal (4-20 mA or 0-10 V); • the toggling ON/OFF of the decimal figure indicator; • the keypad block, to avoid accidental or unwanted commands.

Other features, besides those already mentioned are: • Carbon steel or stainless steel body; • standard construction up to PN10; • maximum working temperature: 120° C.; • accuracy: ± 5% E.O.S.; • graduated flow scale or percentage.

Instruments with other features can be provided on request.

Technical specifications: Type TMW/D line mounting examples.

 

flow-meter™ INDUSTRIAL LINE |  TMW/D flowmeters
FEATURES

Accuracy

± 5% V.F.S.

Max. working pressure

PN 10

Max. working temperature

120° C.

Cut-off tap by-pass type

ACCESSORIES

Construction up to PN 64

Float made of HASTELLOY C or TITANIUM

P.T.F.E. gaskets

Separate measuring device to be connected at distance

ELECTRICAL SPECIFICATIONS

Voltage

235V A.C. ± 10% 50-60 Hz

Power

15VA

Connector

MIL-C 26482 (US)

IP class

IP 66

Software switch push button on front panel (I/O)

ELECTRICAL OUTPUT SIGNALS

Exchange contacts SPDT

Max. 250 V A.C. 0,5 A

Analogic voltage output

0-10 V

Maximum charge

1 KOhm

Analog current output

4-20 mA

Minimum charge

250 Ohm

TYPE

WATER
Max flow
m3/h

AIR
Max flow
Nm3/h 1013 mbar

FLANGE A

UNI PN 6÷PN 64

ANSI 150 LB÷ 300 LB

TMW/D 40

30

450

DN 40

1” 1/2

TMW/D 50

45

700

DN 50

2”

TMW/D 65

75

1200

DN 65

2” 1/2

TMW/D 80

110

1800

DN 80

3”

TMW/D 100

170

2800

DN 100

4”

TMW/D 125

270

4500

DN 125

5”

TMW/D 150

400

6500

DN 150

6”

TMW/D 200

700

11000

DN 200

8”

TMW/D 250

1100

18000

DN 250

10”

flow-meter™ INDUSTRIAL LINE |  TMW/D flowmeters
Product Sheet



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A

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flow-meter S.p.A.
Via del Lino, 6
24040 Levate - Bergamo
ITALY
Ph. +39 035 594047
Fax +39 035 594821
info@flowmeter.it
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