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YOKOGAWA K3371AL Temperature Sensor | RTD Pt100, 3-Wire, 1/2" NPT, General Purpose

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"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."

—— Mohammed Al-Farsi, Procurement

"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

"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."

—— Supply Chain Director

"ACH offers quick response, flexible solutions, and fair pricing. The products are always genuine and reliable, and their friendly support makes cooperation smooth."

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YOKOGAWA K3371AL Temperature Sensor | RTD Pt100, 3-Wire, 1/2" NPT, General Purpose

Large Image : YOKOGAWA K3371AL Temperature Sensor | RTD Pt100, 3-Wire, 1/2" NPT, General Purpose Get Best Price

Product Details:

Place of Origin:	JP
Brand Name:	YOKOGAWA
Certification:	ATEX
Model Number:	K3371AL
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 RTD temperature sensor

Pt100 3-wire temperature probe

1/2 NPT general purpose sensor

YOKOGAWA K3371AL Temperature Sensor | RTD Pt100, 3-Wire, 1/2" NPT, General Purpose

YOKOGAWA K3371AL temperature sensor specifications. RTD Pt100, 3-wire, 1/2" NPT connection, general purpose, with connection head.

Product Overview

The YOKOGAWA K3371AL is a general-purpose resistance temperature detector (RTD) sensor assembly designed for accurate temperature measurement in industrial processes. It consists of a Pt100 RTD element housed in a protective thermowell with a 1/2" NPT process connection and is terminated in a connection head. The 3-wire configuration helps compensate for lead wire resistance, improving measurement accuracy.

Technical Specifications

Parameter	Specification
Manufacturer	YOKOGAWA Electric Corporation
Series	K Series (Temperature Sensors)
Model	K3371AL
Product Type	RTD Sensor Assembly (with Thermowell and Connection Head)
Sensor Type	Pt100, 3-wire
Accuracy Class	Class A (IEC 60751)
Process Connection	1/2" NPT Male Thread
Thermowell Material	316 Stainless Steel
Sensor Sheath Material	316 Stainless Steel
Insertion Length	Variable (e.g., 100mm, 150mm - defined by suffix)
Process Temperature	-200 to 500°C (-328 to 932°F)
Process Pressure	Up to 10 MPa (1450 psi) (temperature dependent)
Response Time	τ₀.₆₃ < 10 seconds (typical in water flow)
Connection Head	Aluminum, weatherproof (IP65)
Terminal Connection	Screw terminals in connection head
Ambient Temperature	-40 to 85°C (-40 to 185°F)
Certifications	CE, cULus

Key Features

Pt100, 3-Wire: High accuracy and lead wire compensation
Complete Assembly: Includes RTD, thermowell, and connection head ready for installation
1/2" NPT Connection: Standard industrial threaded connection
Removable Sensor: RTD element can be removed/replaced without process shutdown
Robust Thermowell: Protects sensor from process flow, pressure, and corrosion
Weatherproof Connection Head: IP65 rating for outdoor or harsh environments
Wide Temperature Range: Suitable for a broad spectrum of industrial applications
Easy Installation: Pre-assembled unit simplifies field mounting

Applications

Temperature measurement in pipes, tanks, and reactors
Process industries: chemical, oil & gas, power generation
HVAC and refrigeration systems
Food and beverage processing
General industrial temperature monitoring

Important Notes

The exact insertion length and other specifications are defined by the full model suffix.
This assembly includes the thermowell; the RTD sensor is removable for calibration or replacement.
A separate temperature transmitter or indicator is required to convert the resistance signal to a standard output (e.g., 4-20mA).
The 3-wire configuration helps minimize errors from lead resistance; ensure proper wiring to the transmitter.
Verify thermowell material compatibility with the process fluid and conditions.

YOKOGAWA K3371AL Temperature Sensor | RTD Pt100, 3-Wire, 1/2" NPT, General Purpose 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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