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Yokogawa AAT145-S00 Temperature Transmitter | Head-Mount, RTD, 4-20mA+HART

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Certification

"ACH has proven to be a reliable partner. Their products are genuine and high-quality, with competitive prices and on-time delivery. We trust them as our long-term supplier in automation."

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"For us, cost efficiency and authenticity are key. ACH helps reduce expenses while ensuring reliable quality and timely supply, making them a strong partner in our operations."

—— Procurement Manager

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Yokogawa AAT145-S00 Temperature Transmitter | Head-Mount, RTD, 4-20mA+HART

Large Image : Yokogawa AAT145-S00 Temperature Transmitter | Head-Mount, RTD, 4-20mA+HART Get Best Price

Product Details:

Place of Origin:	JP
Brand Name:	Yokogawa
Certification:	ATEX
Model Number:	AAT145-S00
Document:	ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	Negotiable
Packaging Details:	carton
Delivery Time:	Negotiable
Payment Terms:	T/T,XT,ALIPAY
Supply Ability:	100pcs per month

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Detailed Product Description

Power Supply:

12-30 V DC (Two-wire)

Ambient Temperature:

-40°C To 80°C (-40°F To 176°F)

Electrical Rating:

General Purpose, Explosion-proof, Intrinsic Safety (depends On Certification)

Certifications:

Standard Models Include ATEX, IECEx, SIL 2 (consult Manual For Specific Ratings)

Highlight:

Yokogawa temperature transmitter head-mount

RTD temperature transmitter 4-20mA

HART temperature transmitter with warranty

Yokogawa AAT145-S00 Temperature Transmitter | Head-Mount, RTD, 4-20mA+HART

Yokogawa AAT145-S00 temperature transmitter specifications. Head-mount, RTD input, 4-20mA+HART output, loop powered, for field installation.

Product Overview

The Yokogawa AAT145-S00 is a head-mounted temperature transmitter designed for direct field installation on thermowells or connection heads. It converts signals from Resistance Temperature Detectors (RTDs) into a standardized, isolated 4-20mA output with superimposed HART digital communication. Its compact, rugged design is built to withstand harsh industrial environments while providing accurate and reliable temperature measurement.

Technical Specifications

Parameter	Specification
Manufacturer	Yokogawa Electric Corporation
Model	AAT145-S00
Series	YTA/AAT Series (Head-Mount Transmitter)
Product Type	Head-Mounted Temperature Transmitter (RTD)
Mounting	Field Head-Mount (DIN B Connection)
Input Type	RTD (Pt100, 3-wire)
Output Signal	4-20mA DC with HART Protocol, 2-wire
Power Supply	Loop-powered (12-42 V DC)
Isolation	Input to Output: 1.5kV AC
Accuracy	±0.1% of span
Ambient Temperature	-40 to 85°C (-40 to 185°F)
Process Temperature	Dependent on sensor assembly
Sensor Excitation	Constant Current (RTD)
Linearization	Built-in for RTD input
Configuration	Handheld terminal via infrared port or HART communicator
Display	Optional LCD display module
Enclosure Rating	IP66 / NEMA 4X (with cover)
Certifications	CE, cULus, ATEX, IECEx

Key Features

Field Head-Mount Design: Compact and robust for direct installation at the measurement point
RTD Signal Conditioning: Converts RTD resistance to a linear 4-20mA+HART signal
Loop-Powered with HART: Simple two-wire installation with digital communication capability
High Accuracy & Isolation: Provides precise measurement with 1.5kV isolation
Built-in Linearization: Converts non-linear RTD signal to a linear output
Rugged Construction: IP66/NEMA 4X rated for harsh outdoor and washdown environments
Infrared Configuration: Allows configuration via handheld terminal without opening the cover
Wide Temperature Range: Operates in extreme ambient conditions
Global Certifications: Approved for use in hazardous and general areas worldwide

Applications

Direct field temperature measurement of pipes, tanks, and vessels
Process industries: oil & gas, chemical, petrochemical, pharmaceutical
Power plant temperature monitoring (steam lines, heat exchangers)
HVAC and building automation systems
Water and wastewater treatment

Important Notes

This is a 2-wire, loop-powered device; power is derived from the 4-20mA output loop
Specific RTD type (e.g., Pt100 3-wire) and range must be configured before use
HART communication requires a minimum loop resistance (typically 250Ω)
Suitable for use with a wide variety of RTD sensors and thermowells
The "-S00" suffix typically indicates a standard model without a local display; a display is an optional add-on

Yokogawa AAT145-S00 Temperature Transmitter | Head-Mount, RTD, 4-20mA+HART 0

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL and EMERSON to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

Frequently Ask & Questions

Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

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