PMC Thermocouple
ISO9001:2000

 

    
   

     
PRODUCT CODE: PC/PC

Our customers have grown to expect only the highest quality products from PMC A Division of R-SCC. This design incorporates quality with economy. The individual conductors are insulated with extruded polyvinyl chloride. This construction provides a product with high dielectric strength as well as outstanding insulation resistance to ozone, acid, alkalis, alcohol, oil, gasoline, grease, wax, moisture, and most solvents. It is also tough and resistant to flame, abrasion, and moisture.

Polyvinyl chloride (generally referred to as PVC) compounds were commercially introduced in 1935. Three types of compounds are available; the semi rigid type, the conventional plasticized type, and the more recently developed irradiated type. Although PVC compounds can be made to provide a broad range of properties, from the standpoint of chemical, physical, and electrical characteristics, each represents a compromise. Therefore, PMC formulates its insulations to give optimum or required values to the critical properties without permitting less critical properties to fall to unacceptable levels.

Polyvinyl chloride resin itself is non-toxic and fungus resistant but other properties of the compound may not be. It is possible with careful selection and matching of ingredients or by including special additives, to develop non-toxic and fungus resistant formulas upon request.

The thermocouple grade products are used to form temperature sensors and the extension grade products become the interconnecting link in the temperature sensing systems. We generally do not recommend PVC constructions for applications below -58°F (-50°C) because the PVC compounds stiffen as the temperature declines. Suggested operating ranges is -15°F to 221°F (-26°C to 105°C). The insulation on the individual conductors and the jacketing are both color-coded to ANSI standards for quick identification of conductors and calibration.

You will find your qualified sales and engineering staff eager to assist in selecting a design to meet the requirements of your specific application. Calibrated conductors for high system accuracy. 221°F (105°C) PVC insulation for economy, durability and mechanical strength. 221°F (105°C) PVC jacket for economy, durability, and mechanical strength. It is also tough and resistant to flame, abrasion, and moisture.


Wire
Grade
Gauge
Size
Wire
Type
Part Numbers
Type J Type K Type T Type E Type N Type R/S
EXTENSION
14 Solid JX-PC/PC-14 KX-PC/PC-14 TX-PC/PC-14 EX-PC/PC-14 NX-PC/PC-14 RSX-PC/PC-14
EXTENSION
16 Solid JX-PC/PC-16 KX-PC/PC-16 TX-PC/PC-16 EX-PC/PC-16 NX-PC/PC-16 RSX-PC/PC-16
EXTENSION
16 7/24 Stranded JX-PC/PC-16F KX-PC/PC-16F TX-PC/PC-16F EX-PC/PC-16F NX-PC/PC-16F RSX-PC/PC-16F
EXTENSION
20 Solid JX-PC/PC-20 KX-PC/PC-20 TX-PC/PC-20 EX-PC/PC-20 NX-PC/PC-20 RSX-PC/PC-20
EXTENSION
20 7/28 Stranded JX-PC/PC-20F KX-PC/PC-20F TX-PC/PC-20F EX-PC/PC-20F NX-PC/PC-20F RSX-PC/PC-20F

NOTE: The part numbers above represent the more popular constructions. However, other designs are available upon request.

Color Code & Initial Calibration Tolerances for Extension Wire:
 Thermocouple Type
 Color Code  Initial Calibration Tolerances
 Wire Alloys ANSI
Symbol
+/-
Individual
Jacket  Temperature Range Standard
Limits
Special
Limits
 *Iron vs. Constantan
JX White/Red Black +32°F (0°C) to +400°F (+200°C) ± 4°F (2.2°C) ± 2°F (1.1°C)
 CHROMEL® vs. ALUMEL®
KX Yellow/Red Yellow +32°F (0°C) to +400°F (+200°C) ± 4°F (2.2°C) ± 2°F (1.1°C)
 Copper vs. Constantan
TX Blue/Red Blue -75°F (-60°C) to +210°F (+100°C) ± 2°F (1.1°C) ± 1°F (.5°C)
 CHROMEL® vs. Constantan
EX Purple/Red Purple +32°F (0°C) to +400°F (+200°C) ± 3°F (1.7°C) ± 2°F (1.1°C)
 Nicrosil vs. Nisil
NX Orange/Red Orange +32°F (0°C) to +400°F (+200°C) ± 4°F (2.2°C) ± 2°F (1.1°C)
 Copper vs. Copper Alloy
SX / RX Black/Red Green +75°F (+25°C) to +400°F (+200°C) ± 9°F (5°C)    

NOTE: Percent limits apply directly to temperature in °C units, but for °F equivalents are applied to the numbers of °F above or below the ice point (+32°F).
(i.e. Limit (°F) = (Temp. °F-32°F) x Percentage)
Thermocouple wire cannot be expected to meet the limits of error at temperatures below the ice point unless specified at time of purchase.
* Magnetic
CHROMELŪ and ALUMELŪ are registered trademarks of Hoskins Manufacturing Company.
   
PC/PC Physical Properties:
Gauge Nominal
Insulation
Wall (in.)
Nominal
Jacket
Wall (in.)
Nominal
Diameter
(in.)
Approx.
Ship. Wt
(lbs) per M
 Characteristics Insulation Jacket
 Specific Gravity
1.25 - 1.38 1.25 - 1.38 14 .015 .020 .134 x .228 38
 Durometer Hardness
A85-90 A85-90
 Tensile Strength; psi (min)
2100 2100 16 .015 .015 .111 x .192 27
 Elongation; %(min)
250 250
 Minimum Bend Radius
  10 x O.D. 16  7/24 .015 .015 .114 x .198 29
 Abrasion Resistance
Good Good
 Cut Through Resistance
Good Good
 Moisture Resistance
Excellent Excellent 20 .014 .015 .092 x .154 14
 Solder Iron Resistance
Poor Poor
 Service Temperature
221°F (105°C) continuous
302°F (150°C) 96 hrs.
221°F (105°C) continuous
302°F (150°C) 96 hrs.
20  7/24 .014 .015 .098 x .166 16
 Flame Test
Self-extinguishing Self-extinguishing