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Summary of Contents for CS Instruments VA 452
- Page 1 Flow sensor VA 452 Operating Instruction VA 452 thermal mass flow sensor 0970 0042 VA 452 English, V1.9, 13.08.13...
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Page 2: Table Of Contents
Connecting analogue / pulse outputs………………………………….……….…12 Connecting HART………………………………………………...………….…..…12 Connecting Modbus …………………….……………………...……………..…12 Connecting MBus ………………………………...………...…………………...…13 Chapter 4 Operation Startup…………………………………………………...………...……..……...…..14 Display…………………………………………………...……………………..……14 Configuration…………………………………………………...…….………..….…15 Bluetooth…………………………………………………...……………………..….16 Service Kit…………………………………………………...…………………..…16 Technical data…………………………………………………...……………..…...17 Measuring…………………………………………………...………...………..….17 Dimensions …………………………………………………...…………………..…20 Chapter 5 Trademarks………………….………………...……..……...…. Chapter 6 Warranty………………………………………………………..….. 0970 0042 VA 452 English, V1.9, 13.08.13... -
Page 3: Chapter 1 General Information
CS Instruments is not liable for errors which may have slipped into this operating manual. The CS flow meter VA 452 works based on the thermal mass flow Area of principle and is to be used for measuring the mass flow of gases. -
Page 4: Notes On Safety
Observe permissible storage, transport and operating tempera- tures. • VA 452 for use in hazardous areas are labeled accordingly on the nameplate. Relevant national regulations must be ob- served when operating the device in hazardous areas. Ob- serve the installation regulations, connection data and safety instructions provided in the Ex documentation must be ob- served. -
Page 5: Chapter 2 Introduction
. Further information can be found in ISO Standard 14511. Please observe the following recommended minimum values with regard to the inlet and outlet runs. 0970 0042 VA 452 English, V1.9, 13.08.13... -
Page 6: Flow Conditioner
Pressure loss calculation: DP = K * v * ρ Pressure loss [hPa or mbar] Constant = 0.008 Actual velocity of gas at conditioner inlet [m/s] ρ: Density of gas [kg/m3] 0970 0042 VA 452 English, V1.9, 13.08.13... -
Page 7: Pipe Requirements
Anything that disturbs the smoothness of the internal pipe wall (see figure below) should be eliminated; the goal should be a smooth uninterrupted internal surface. For further information please refer to ISO 14511. 3. Installation 1. Orientation Installation 0970 0042 VA 452 English, V1.9, 13.08.13... - Page 8 . Display orientation The display version of VA 452 can be rotated in both directions 270° . For this purpose the the nut at the top of the shaft has to be opened fully. Then pull up the metal casing and rotate it in the de- sired direction.
- Page 9 / calibration. To protect the sensor during transportation we recommend to use a sensor protection cap as indicated in the picture below. Please contact our local service for sensor protection cap. 0970 0042 VA 452 English, V1.9, 13.08.13...
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Page 10: Wiring
Cable outer diameter should be between 6 and 8 mm • Single wire cross section area should be between 0.25 … 0.75 mm • The thread size for the cable glands is M20 / 1.5 Connection diagram 0970 0042 VA 452 English, V1.9, 13.08.13... -
Page 11: Connecting Ds 300
DS 300 has 2 inputs (I and G) for flow / dew point sensors. If there are more than 1 VA 452 to be connected to DS 300 a sepa- rate power supply has to be used for at least one of the VA 452, since DS 300 can only supply one VA 452 flow sensor. -
Page 12: Connecting Analogue / Pulse Outputs
Flow sensor VA 452 VA 452 in the standard configuration comes with 2 analogue outputs Connecting and 1 pulse output. All signals are electrically isolated. The analogue analogue / output can be used as an active output—current is sourced through pulse outputs the positive connection pin—or passive. -
Page 13: Connecting Mbus
162,000 1,620,000 16,200,000 m3/min 2,700 27,000 270,000 l/min 2,700 27,000 270,000 2,700 27,000 270,000 Kg/h 162,000 1,620,000 16,200,000 Kg/min 2,700 27,000 27,0000 Kg/s 4,500 Default To be configured by ser- vice software 0970 0042 VA 452 English, V1.9, 13.08.13... -
Page 14: Chapter 4 Operation
2 sec. Software: 1.31 Software and hardware version Hardware: 1.20 2 sec. VA 452 will then show the actual online values of flow and total consumption. 1345.6 After reset the sensor has a warm-up 12345670 time of about 20 seconds., during this time the flow rate is zero. -
Page 15: Configuration
Flow sensor VA 452 In order to fully utilize ethe functionality of VA 452 a configuration is Configuration required. There are various paramters which need to be set in the flow meter. The table below gives an overview about the available settings. -
Page 16: Bluetooth
Bluetooth provides a convenient way of configuring the sensor with- out the hazel of cable connections. VA 452 needs to be powered up. Ensure that the distance between VA 452 and PC is no more that 5 meter and the PC Bluetooth antenna should point roughly in the direction of the display (front part). -
Page 17: Technical Data
3377 Volumetric flow is stated at 1000 hPa and 20 ° C VA 452 can measure from zero flow onwards, the stated minimum flow is only required for achieving the specification. Flow rates above the maximum flow can not be measured. -
Page 18: Power Supply
Max rating: 30 VDC, 200 mA output Pulse width: 10 … 100 msec (depending on flow rate) Bluetooth Communication Distance: < 3m (depend on environment) Device name: VA 452 + s/n (Can be edited) 0970 0042 VA 452 English, V1.9, 13.08.13... - Page 19 CE mark. Ex approval: CS Instruments provides a separate documentation. EN 60529 Protection by housing (IP code) Other IEC/EN 61326 EMC- requirements Standards ISO 14511 Thermal mass flowmeters. NAMUR NE 43 Standardization analogue outputs 0970 0042 VA 452 English, V1.9, 13.08.13...
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Page 20: Dimensions
Ø42.4 x 3.2/[Ø36.0] 270.15 200.15 1 ½" DN40 Ø48.3 x 3.2/[Ø41.9] 275.15 200.15 2" DN50 Ø60.3 x 3.6/[Ø53.1] 282.65 200.15 2 ½" DN65 Ø76.1 x 3.6/[Ø68.9] 300.55 208.05 3" DN80 Ø88.9 x 4.0/[Ø80.9] 314.45 214.45 0970 0042 VA 452 English, V1.9, 13.08.13... -
Page 21: Chapter 5 Trademarks
Other claims, especially those for damage occurring outside the instrument are not included unless responsi- bility is legally binding. 0970 0042 VA 452 English, V1.9, 13.08.13... - Page 22 Flow sensor VA 452 0970 0042 VA 452 English, V1.9, 13.08.13...
- Page 23 Flow sensor VA 452 0970 0042 VA 452 English, V1.9, 13.08.13...
- Page 24 CS Instruments (Asia) Co. Ltd. Room 31, Tower B, Cambridge Plaza 188 San Wan Road, Sheung Shui, N.T. , Hong Kong Tel: +86 (0)755 - 8619 3164 Fax: +86 (0)755 - 8619 3165 Email: sales@csinstrument.com Website: http://www.csinstrument.com 0970 0042 VA 452 English, V1.9, 13.08.13...
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