Item # 0695 5250 A4, VA 521 G 1-1/4 Inch (in) Thread Size Compact Inline Flowmeter On Compressed Air Systems, Inc.

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	Item # 0695 5250 A4, VA 521 G 1-1/4 Inch (in) Thread Size Compact Inline Flowmeter
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No inlet section necessary - integrated flow straightener - optional pressure sensor

The newly developed VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design. The VA 525 is always used when many machines (compressed air consumers) are to be integrated into an energy monitoring network.

Readout values in the display can be rotated by 180º, e.g. for overhead installation

VA 525 Compact Inline Flowmeters for Air and Nitrogen

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VA 525 Compact Inline Flowmeters for Air and Nitrogen - 2

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Financing · Specifications · Measuring Range · Display Shows 2 Values at the Same Time · Screw-In Thread · Advantages at a Glance · With a Key Stroke

Financing

Approve Payments		Finance with Approve Payments

Specifications

Parameters		m³/h, CFM (1000 mbar, 20 ºC) in case of compressed air or Nm³/h, Nl/min (1013 mbar, 0 ºC) in case of gases

Units Adjustable Via Keys at Display		CFM ft/min g/s kg/h kg/min l/s lb/h lb/min m/s m³/h m³/min

Sensor		Thermal Mass Flow Sensor

Measured Medium		Air

Accuracy		± 0.3% of Full Scale (F.S.) ± 1.5% of Measured Value (M.V.)

Accuracy on Request		± 1.0% of Measured Value (M.V.) ± 0.3% of Full Scale (F.S.)

Pressure		0 to 232 psi 0.15 to 29 psia

Pressure Accuracy		1 %

Operating Temperature		-4 to 140 ºF

Operating Pressure		Up to 232 psi

Digital Output		Modbus-Remote Terminal Unit (RTU) RS 485 Interface

Optional Digital Output		Ethernet Interface M-Bus Power over Ethernet (PoE)

Analog Output for Cubic Feet Per Minute (CFM)		4 to 20 mA

Pulse Output		1 pulse per CF or per liter electrically isolated. Pulse weight can be set on the display. Alternatively, the pulse output can be used as an alarm relay.

Direct Current (DC) Supply Voltage		18 to 36 V

Power Supply		5 W

Burden		<500 Ω

Housing Material		Polycarbonate

Protection Rating		Ingress Protection (IP 65)

Material		Aluminum

Connection Thread of Measuring Sections		1/2 to 2 in. National Pipe Thread (NPT) G 1/4 to G 2 in. British Standard Piping (BSP)

Mounting Position		Any

Measuring Range

Measuring Section		DN25

Thread Size		G 1 in.

Measuring Range Full Scales		290 m³/h 170 ft³/min

Dimension L		135 mm

Dimension B		55 mm

Dimension H1		50 mm

Dimension H		109.1 mm

Dimension A		25 mm

Note for Measuring Range		Flow measuring ranges VA 525 (max version 185 m/s) for compressed air (ISO 1217:1000 mbar, 20 ºC) Measuring ranges for other types of gas.

Display Shows 2 Values at the Same Time

Display Shows 2 Values at The Same Time		Present flow in m³/h, CFM, SCFM Total consumption (counter reading) in CF, l, lbs Temperature measurement Optional: Pressure measurement

Screw-In Thread

Screw-In Thread		Easy installation into the existing pipe due to integrated measuring section (suitable for 1/4", 1/2", 3/4", 1", 1 1/4", 1 1/2" or 2" lines)

Advantages at a Glance

Compact, small design - for use in machines, behind maintenance unit on the end user
Optionally with conventional analog signals
(4 to 20 mA and pulse) or digital interfaces
Such as Modbus-RTU, Ethernet (also PoE), M-Bus
All interfaces are freely programmable via the display

With a Key Stroke

Reset counter reading
Select units
Parameterise interfaces

DOWNLOADS


		Datasheet for VA 525 Compact Inline Flowmeters for Air and Nitrogen (PDF, 477KB)

Item # 0695 5250 A4, VA 521 G 1-1/4 Inch (in) Thread Size Compact Inline Flowmeter

Approve Payments

Parameters

Units Adjustable Via Keys at Display

Sensor

Measured Medium

Accuracy

Accuracy on Request

Pressure

Pressure Accuracy

Operating Temperature

Operating Pressure

Digital Output

Optional Digital Output

Analog Output for Cubic Feet Per Minute (CFM)

Pulse Output

Direct Current (DC) Supply Voltage

Power Supply

Burden

Housing Material

Protection Rating

Material

Connection Thread of Measuring Sections

Mounting Position

Measuring Section

Thread Size

Measuring Range Full Scales

Dimension L

Dimension B

Dimension H1

Dimension H

Dimension A

Note for Measuring Range

Display Shows 2 Values at The Same Time

Screw-In Thread

Maintain Your Air Compressor