nvent Raychem RTD7AL Installation Instructions

RTD7AL
RTD temperature sensor for temperature measurement up to
900°F (482°C) in division 1 locations Installation Instructions
3/4-in NPT
(19 mm)
conduit
opening
3/4-in NPT
4.25 in
(19 mm)
(108 mm)
conduit
opening
4.25 in
(108 mm)
WARNING:
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
DESCRIPTION
The nVent RAYCHEM RTD7AL temperature sensor is a three-wire platinum RTD
(resistance temperature detector) typically used with monitoring and control systems
when accurate temperature control is required. The sensor is explosion proof and
approved for Division 1 and 2 hazardous locations. The RTD7AL can be used with a wide
variety of RAYCHEM monitoring and control systems.
These installation instructions detail the installation of the RTD7AL 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 RTD7AL is CSA Certified for use in North America by the manufacturer for use in
Division 1 and Division 2 hazardous locations as follows:
2 in (51 mm)
KIT CONTENTS
3 in (76 mm)
Qty Description
1 RTD Temperature Sensor
2 in (51 mm)
3 in (76 mm)
SPECIFICATIONS
Sensor housing
Sensor sheath
Range
Accuracy
Resistance
Connection
Operating Ambient
Class I, Division 1, Groups A, B, C, D
Class II, Division 1, Groups E, F, G
Class I, Division 2, Groups A, B, C, D
Class II, Division 2, Groups E, F, G
Aluminum; Type 4X
316 stainless steel
–100 to 900°F (–73 to 482°C) max
±1°F (0.5°C) at 32°F (0°C)
100 ohms at 0°C α =0.00385 ohms/ohm/°C
3/4 in. NPT conduit hub
–40°F to 212°F (–40°C to 100°C) for all gas groups except
Group A. –4°F to 212°F
(–20°C to 100°C) for gas Group A
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.