Name: Rosemount&#8482; 68 RTD Temperature Sensor (Obsolete)
Brand: Rosemount

This product is now obsolete.

Relevant documents and drawings are listed below.
Contact your local Emerson representative for your measurement needs.

Rosemount™ 68 RTD Temperature Sensor (Obsolete)

Specs

Lead Wires

PTFE insulated, silver plated, 24-gauge stranded copper wire

Time Constant / Response

12 seconds maximum required to reach 63.2% sensor response in water flowing at 3 ft/s (0.91 m/s)

Stability

±0.11% 0.28 °C or 0.51 °F maximum ice-point resistance shift following 1,000 hours at maximum specified temperature (400 °C)

Insulation Resistance

1000 x 10^6 ohms minimum insulation resistance when measured at 500 Vdc at room temperature

Calibration Options

Calibration schedule or customer-specified calibration range, both with Callendar-Van Dusen constants

Features

Industry-standard, single element, Class B, Pt-100 RTD delivers exceptional accuracy and durability
Thin film sensor provides an ideal solution for industrial applications with high vibration
Covers temperatures from –58 to 752°F (–50 to 400°C) to serve a wide variety of applications
Adaptable design with a variety of enclosure and connection head options meet varying application requirements
Available in capsule, general purpose and spring-loaded designs for adaptability
Callendar-Van Dusen constants allow user to match the sensor to the transmitter for notable performance improvement
Option for thermowell assembly provides protection from corrosive environments
Global hazardous location approvals meet local requirements