background image

DESCRIPTION

The nVent RAYCHEM RTD4AL is a three-wire platinum RTD 

(resistance temperature detector) typically used with monitoring 

and control systems that require accurate temperature control. 

The RTD4AL kit can be used with a wide variety of RAYCHEM 

monitoring and control systems.
These instructions detail the installation of the RTD4AL in 

conjunction with existing RAYCHEM component kits.

TOOLS REQUIRED

•  3.5 mm flat-blade screwdriver

ADDITIONAL MATERIALS REQUIRED

•  Pipe straps
•  Conduit with 16–22 AWG shielded instrument cable or 

equivalent armored cable

APPROVALS

The RTD4AL is CSA Certified for use in North America by the 

manufacturer for use in Division 2 hazardous locations as follows:

KIT CONTENTS

Qty Description

RTD Temperature Sensor

SPECIFICATIONS

Sensor housing

Aluminum; Type 4X

Sensor sheath

316 stainless steel

Range

–100°F to 900°F (–73°C to 482°C) max

Accuracy

±1°F (0.5°C) at 32°F (0°C)

Resistance

100 ohms at 0°C α =0.00385 ohms/ohm/°C

Connection

3/4 in. NPT conduit hub

Class I, Division 2, Groups A, B, C, D

Class II, Division 2, Groups F, G

This component is an electrical device. It must be installed correctly 

to ensure proper operation and to prevent shock or fire. Read 

these important warnings and carefully follow all the installation 

instructions. Component approvals and performance are based on 

the use of specified parts only. Do not use substitute parts or vinyl 

electrical tape to make connections.

WARNING:

RTD4AL

RTD Temperature Sensor for Temperature  Measurement up to 

900°F (482°C) Installation Instructions

3 in (76 mm)

2 in (51 mm)

4.25 in

(108 mm)

3/4-in NPT

(19 mm)

conduit

opening

3 in (76 mm)

2 in (51 mm)

4.25 in

(108 mm)

3/4-in NPT

(19 mm)

conduit

opening

Reviews: