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Base Metal Thermocouple Assembly With Metal Protection Tube
Product Description:
Base metal thermocouples are known as Types E, J, K, T and N and
comprise the most commonly used category of Thermocouple. The
conductor materials in base metal thermocouples are made of common
and inexpensive metals such as Nickel, Copper and Iron.
Specification:
Outside Diameter | 1/4” NPT Pipe 1/2” NPT Pipe 3/4” NPT Pipe |
Wall Thickness
| Schedule 20 Schedule 40 Schedule 80 |
Sheath material | Carbon steel 304 SS 316 SS Inconel 600 Ceramic Coated |
Carlibration | Standard Limits of Error J, K,T,E,N Special Limits of Error J,K,T,E,N |
Junction | Grounded ( Single, Dual) Ungrounded (Single, Dual) |
Process Connection | None, 1/2”NPT, 3/4”NPT, 1”NPT, |
Connection Head Model | None,3” Split Leads Cast Aluminum: Standard Cast Aluminum: Mini Black Nylon Head Cast Iron:Standard Size 316 Stainless Steel Explosion Proof |
Conduit Opening | None 1/2” NPT 3/4” NPT |
Connection Head Options | None 4-20mA Transmitter No Terminal Block |
Type | Name of Material | Application Range |
K | NiCr-Ni | -200 to 1200°C |
J | Fe-CuNi | -40 to 750°C |
T | Cu-CuNi | -200 to 350°C |
E | NiCr-CuNi | -200 to 900°C |
N | NiCrSi-NiSi | -200 to 1200°C |
Feature:
1. The sensor can be mounted into a thermowell or
directly into a process with the use of a fixed,spring loaded or
compression process fitting.
2. The thermocouple sensors available for this assembly are
provided with a variety of sheath materials including
stainless steels, corrosion resistant and
high temperature oxidation resistant alloys.
3. Thermocouple diameters range from 2 mm to 8 mm.
Standard diameters are 3 mm & 6 mm.
4. The thermocouple sensor can be springloaded ensuring
a positive contact to the base of a thermowell bore.
5. Thermocouple temperature ranges are dependent on the
sheath & conductor diameter, element calibration, and
sheath material.
6. A variety of neck extensions are possible. They provide a
fixture from the enclosure (connection
head) to the process or thermowell. The standard neck
extensions are the nipple-union-nipple or
the male threaded neck tube. These extensions allow for
directional rotation of the head for field
wiring as well as a positive quick disconnection of the
assembly from the process or thermowell.
Application:
The Base Metal Thermocouple Assembly With Metal Protection Tube are
designed for use in corrosive or hostile environments. The choice
of a specific style is determined by the temperature working range,
ambient atmospheric or media conditions and the size and shape
required for the application. Control requirements, such as
accuracy and speed of response, may also be considerations to take
into mind. It is mainly used for below area,
1. Metal processing such as aluminum, zinc, brass (with
appropriate protection tube)
2. Chemical Industry
3. Petrochemical Industry
4. Industrial storage tanks
