ATZTA TRXUltrasonic Flow Meters
For Compressed Air and Nitrogen (Diameters 40A, 50A, 65A, and 80A)

ATZTA TRX Photo

Features

A cost effective ultrasonic flow meter specialized for measuring air and nitrogen is now available!

It has realized a wide range of measuring ability and ZERO pressure loss using the characteristics of ultrasonic waves. It is also well-equipped to handle dust and mist and has excellent durability compared with conventional flow meters that use other measuring principles because it does not have moving parts.

The meter can be selected from two types of power sources: built-in batteries that can run 10 years without needing power construction, or an external power supply (24 VDC).

・To understand and visualize the usage of compressed air as a measure of saving electric power.. ・To understand the amount of nitrogen refined and used in a factory. (Can be applied to a degreasing treatment.)

Specifications

Model	External power specifications	TRX40D-C/5P	TRX50D-C/5P	TRX65D-C/5P	TRX80D-C/5P
Model	Built-in battery specifications	TRX40B-C/5P	TRX50B-C/5P	TRX65B-C/5P	TRX80B-C/5P
Diameter (Nominal diameter)		40A	50A	65A	80A
Power source	External power specifications	24 VDC ± 10%; Power consumption: 1.1 W or less
Power source	Built-in battery specifications	Lithium battery with a battery life of about 10 years (under an environmental temperature of 20°C)
Measurable fluids		Air (mainly the air in a factory) or nitrogen * Please select when ordering.
Fluid temperature and humidity		– 10 to 60°C and 90% RH or less
Operating pressure		Less than 0 to 1 MPa (Gauge pressure)
Flow rate range (Actual flow)		±1.3～80m3/h	±2.5～150m3/h	±4～240m3/h	±5～300m3/h
Flow measurement accuracy	±2%RS	±8～80m3/h	±15～150m3/h	±24～240m3/h	±30～300m3/h
Flow measurement accuracy	±5%RS	±1.3～8m3/h	±2.5～15m3/h	±4～24m3/h	±5～30m3/h
Low flow rate cut-off		±0.2m3/h	±0.4m3/h	±0.5m3/h	±0.8m3/h
Normal conversion accuracy		± 2.5% (at 500 kPa and 25°C)
Display (Switched by buttons)	Model	LCD 7 segments (with unit and alarm displays)
	Main display *2	[Forward flow display mode] Accumulated flow rate: 00000000.0 (Nm3/h) in 9 digits Trip accumulated flow rate: 0000000.0 (Nm3/h) in 8 digits Instantaneous flow rate: 00000.00 (NL/min) in 7 digits
	Main display *2	[Forward and reverse flow display mode] Forward accumulated flow rate: 00000000.0 (Nm3/h) in 9 digits Reverse accumulated flow rate: -0000000.0 (Nm3/h) in 8 digits Instantaneous flow rate: 00000.00 (NL/min) in 7 digits
	Sub display	Instantaneous flow rate: 000.00 (Nm 3/h, less than 200 Nm3/h) in 5 digits 0000.0 (Nm 3/h, 200 Nm3/h or more and less than 2000 Nm3/h) in 4 and 1/2 digits 00000 (Nm 3/h, 2000 Nm3/h or more) in 5 digits [200 A × 10]
	Sub display	Pressure: 0000.0 kPa in 5 digits Temperature: 00.0°C in 3 digits
Output	Current output	4 to 20 mA (± 0.5% FS); Load resistance: 400 Ω or less; Upper output current: 22 mA Select output from instantaneous flow rate, pressure, and temperature by pressing a button. A separate power supply (24 VDC ± 10%) is necessary if you use the meter of the built-in battery specifications. *1
		Output range (4 to 20 mA): Instantaneous flow rate 0 to ☐☐☐☐ Nm3/h (Forward flow display mode) – ☐☐☐☐ to ☐☐☐☐ Nm3/h (Forward and reverse flow display mode) ☐☐☐☐ are the values set by the button.
		Pressure: 0 to 1000 kPa Temperature: -10 to 60°C
	Contact output	Two Open-drain output systems Maximum load: 24 VDC, 10 mA Maximum frequency: 10 Hz Duty: 35% to 65%
		Output 1: Unit pulse (Forward flow) Output 2: Unit pulse (Reverse flow) Flow rate upper and lower limits alarm Selection of telegram output
		Pulse output units: 100 NL/P or 1000 NL/P
Connection method		Wafers (Fixed by JIS 10 K flanges)
Mounting position		Horizontal (LCD display to be placed upward), or vertical mounting
The materials exposed to gases		Aluminum alloy, PPS, fluorosilicone rubber, etc.
Mass	External power specifications	1.0kg	1.2kg	1.4kg	1.7kg
Mass	Built-in battery specifications	1.1kg	1.3kg	1.6kg	1.8kg
Installation location		Indoor and outdoor (The safety class IP64 qualified)
Storage temperature		-20 to 70°C; No condensing
Regulatory compliance		CE marking compliant (EN 61000- 6-2:2005 and EN 61000- 6-4: 2007)

*1: In the actual flow measurement setting, the digits of the accumulated flow rate display, instantaneous flow rate display and pulse output vary. *2: When displaying the instantaneous flow (NL /min), the main display (accumulated flow rate), sub-display (instantaneous flow rate [Nm3/h]), pressure (kPa) and temperature (°C) will not be displayed. * Piping conditions: 20D or higher in upstream and 5D or higher in downstream for the 25A/32A models. (When using in the forward and reverse display mode, 20D or higher on both sides.) 10D or higher in upstream and 5D or higher in downstream for the 40A or larger models. (When using in the forward and reverse display mode, 10D or higher on both sides.) For more information, please contact our sales and branch offices.

Conversion chart between actual and normal flow rates

Conversion conditions		40A		50A		65A		80A
Temperature (°C)	Gauge pressure (MPa)	Minimum	Maximum	Minimum	Maximum	Minimum	Maximum	Minimum	Maximum
Temperature (°C)	Actual flow rate (m3/h)	1.3	80	2.5	150	4	240	5	300
20	0.7(Nm3/h)	9.6	590	18	1100	30	1770	37	2210
30	0.5(Nm3/h)	7.0	430	13	800	21	1280	27	1600
30	0.7(Nm3/h)	9.3	570	18	1070	29	1710	36	2140

Dimensions

(Unit: mm)

Model	W	D	H	Mass
TRX40	76	81	163	1.1 kg (1. Built-in lithium battery model) 1.0 kg (2. External power supply model)
TRX50	90	96	176	1.3 kg (1. Built-in lithium battery model) 1.2 kg (2. External power supply model)
TRX65	108	117	197	1.5 kg (1. Built-in lithium battery model) 1.4 kg (2. External power supply model)
TRX80	117	126	220	1.8 kg (1. Built-in lithium battery model) 1.7 kg (2. External power supply model)

TOPICS

Aichi Tokei Denki is now looking for distributors. Please feel free to contact us if you are interested in dealing with our products!

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ATZTA news Vol.1 | Energy Conservation in Air Compressors!

Specifications may vary by country, about which please confirm at the time of inquiry.

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Global brand 「ATZTA」

“ATZTA (Atsuta)” is the head letter of “A to Z to Aichitokei”, and such thought that “Aichi Tokei Denki solves all the issues of fluid measurements” is put in it. Also, whereas “Atsuta” has been the location of the headquarter since the establishment, “ATZTA (Atsuta)” is the starting point of our manufacturing.

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・Specifications are subject to change without notice.
・Product Warranties

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