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• Locate the flowmeter in a sheltered position away from falling water. 
•  Care must be taken to ensure that the end fittings on the meter are not stressed during 

use. Ideally, flexible tubes should be used. 

•  Ideally the meter should be installed with straight lengths of tube either side for a 

distance of 10 pipe diameters upstream and 5 downstream. 

•  Install the device well away from valves, regulators bends and other components that 

could cause excessive turbulence on the fluid entering or leaving the meter. 

•  If necessary use spacer blocks and mounting clips to raise the pipe work centre line 

58mm above the surface. 

•  It is good practice to use upstream and downstream isolating full bore ball valves to 

facilitate easy meter installation or removal. 

•  If push-in 3/8” John Guest fittings are used, clip the pipes to the mounting surface 

300mm upstream and 150 downstream.

•  The Atrato must be installed in a positive pressure system. Ensure that there is 

sufficient back pressure on the flowmeter to keep any gas in solution. We recommend 
500mbar plus two times the fluid vapour pressure.

•  If there is any chance of air passing through the system mount the Atrato in a vertical 

pipe with the flow in an upward direction otherwise air can remain trapped in the meter 
and affect it’s performance.

  2   Installation

5

Using suitable fixings, mount the connection box onto a rigid surface with the cable entry 
preferably at the bottom. The mounting screw centres are shown in the diagram on the 
right. The flowmeter should be clipped into place with the terminal screws positioned at 
the lower edge. Note that the rubber strip covering the terminals on the meter will not 
seal if water is persistently present in this area. Ensure the meter is not pressure washed. 
The Atrato can easily be dismounted by inserting a screwdriver under the mounting 
clip and gently unclipping it to release the main body. The PG9 thread can be either 
connected to suitable flexible conduit or may be fitted with the supplied cable gland.

 End fitting ‘B’ 

Order code  Dimension ‘A’ mm

  3/8” John Guest 

145

  1/2” BSP PEEK 

142

  1/2” NPT 

180

  1/2” BSP stainless 

180

75

‘A’

PG9

‘B’

58

82

14

60

22

Summary of Contents for Atrato 710

Page 1: ...INSTRUCTION MANUAL Ultrasonic Flowmeter Range TM B r e a k t h r o u g h F l o w m ete r T e c h n o l o g y...

Page 2: ...TM...

Page 3: ...1 General 4 2 Installation 5 3 Electrical 6 4 Setup 7 5 Technical Specification 21 CONTENTS Page No...

Page 4: ...General 4 First 3 digits Flow range 710 2 500 mL min 720 0 01 1 7 L min 740 0 02 5 L min 760 0 1 20 L min Fourth digit seal material V Viton N Nitrile E EPDM S Silicon Fifth digit end fittings 0 3 8...

Page 5: ...on the flowmeter to keep any gas in solution We recommend 500mbar plus two times the fluid vapour pressure If there is any chance of air passing through the system mount the Atrato in a vertical pipe...

Page 6: ...re conductors are clear of the surface of the connector strip prior to closing the housing 3 Electrical Atrato Connector Assignments Pin No Label Function 1 Relay NO Isolated relay contact normally cl...

Page 7: ...ions of the panel on the top left of the screen Control buttons to apply the settings and recover previously set parameters 4 Setup 7 Send settings to system Retrieve Settings from meter Open settings...

Page 8: ...bs whilst adjusting the User Settings The Flow Details window may be further reduced or expanded using the minimise and maximise icons respectively in the top right hand of the window USER SETTINGS TA...

Page 9: ...ill not give outputs Display Mode The down arrow selects from the various display and Metraflow functions The options are Rate The display will show flow rate only Total The display will show total fl...

Page 10: ...ppropriate terminal for each action The options are Not used Output Input PIN 7 NPN Pin 7 can be configured as either an output or an input but not both simultaneously If one input and one output is r...

Page 11: ...dance with the user set Hysteresis High Threshold will cause an alarm signal to Latch on when flow is seen above the set value Low Threshold will cause an alarm signal to Latch on when flow is seen be...

Page 12: ...or Reset Alarm can be operated remotely by using a switch and resistor to apply a suitable voltage between 5 and 24 Vdc to either Pin 6 or Pin 7 as described on page 13 This option allows the user to...

Page 13: ...rent cannot exceed 5mA An example circuit is given below Example Input to Pin 7 Pin 6 In input mode the PNP open collector output is disabled and the input pin responds to an external input voltage at...

Page 14: ...ve hysteresis is selected and only powers when the threshold is exceeded If negative hysteresis is chosen the relay is on up to the set point The increments are preset and can be cycled through using...

Page 15: ...to Output and set to Flow switch the Value column will show the transistor status either low or high and the notes will show the selected switch points OR If Output and Reverse Flow are selected the...

Page 16: ...tab selected Low Input logic level Left push button selected will momentarily show high when remotely operated Low Input logic level Right push button selected will momentarily show high when remotel...

Page 17: ...by pressing the right hand button in the paused state a further press of the right button cancels the batch If you wish to continue the batch from the paused state the left hand button continues the...

Page 18: ...he PIN protection To use these features it is first necessary to create a PIN This is a four digit number in the range 0001 to 9999 Setting a value of 0000 tells the software there is no PIN and this...

Page 19: ...nd the user can click the FASTER button to adjust the measurement window a stronger signal point A RED graphic is a very poor signal ORANGE indicates a weak signal and GREEN is a Good strong signal Th...

Page 20: ...rameter you wish to log choose a sensible sampling period i e for longer data logging periods choose 10 second intervals to limit the size of the file created and then click the Icon under Storage Fil...

Page 21: ...ed 10K ohm LCD display Reflective 6 x 8mm high main characters 2 5mm enunciators Gal cc Kg gms Ltr min Hr Sec 4 20mA output into 250 ohm maximum 14 bit resolution 0 1 linearity plus flowmeter accuracy...

Page 22: ...TITAN ENTERPRISES LTD Coldharbour Business Park Sherborne Dorset DT9 4JW Phone 44 0 1935 812790 Email sales atratoflowmeters com www atratoflowmeters com Distributed by 01 19 1...

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