RTDs / Miniature RTDs : Ceramic Capsule Probes

HIGH TEMPERATURE CERAMIC MINI RTD PROBES

29226, 29227, 29228, 29229, 29326, 29362, 29364


PNs 29226, 29227,29228, 29229, 29326

Ready to use platinum RTD Capsules have insulated lead wires welded and anchored internally. No splicing to fragile elements is required. This construction assures reliable rugged embedment, insertion or probe assembly.

Fit in precision diameters from 0.086 to 0.187 inches. Standard sensors and encapsulation materials rated to 510°C(950°F).

Choose the moisture resistant versions for condensing conditions.


Performance Specifications

   
 

Operating Temperature Range
TFF Teflon® leads: -200°C to 260°C(-320°F to 500°F)
Kapton® leads: -200°C to 350°C(-320°F to 660°F)
Fiberglass leads: -75°C to 510°C(-100°F to 950°F)
Moisture resistant: -50°C to 200°C(-60°F to 390°F)

Sensing Element
International grade thin film platinum,
α = 0.00385 Ω/Ω/°C per IEC 751

Ice Point Resistance
100±0.12Ω or 1000Ω±1.2Ω; International Class B: (±0.12%)

Time Constant(Water at 3ft/second)
0.086 Diameter= 0.5 seconds
0.098 Diamter =0.6 seconds
0.125 Diameter=0.8 seconds
0.187 Diamter =1.5 seconds

Self Heating
Greater than 15 mw/°C

Interchangeability
±(0.3°C @ 0°C + 0.005|t|°C), IEC 751 Class B above -50°C

Insulation Resistance
Greater than 50 Megohms at 50 VDC at 25°C

     

Long Term Stability
Better than 0.05°C (0.02% of resistance) per 5 years,
-50°C to 300°C, 0.25°C per year to 540°C

Maximum Current
100Ω=5 mA, 1000Ω=2 mA for limited self-heating
Also suitable as self-heated sensors

Recommended Current
1 mA maximum for temperature sensing

Moisture Seal
Moisture resistant 0.187 and 0.125 diameters rated 300 PS1.
consult factory

Case Material
Alumina on 0.187, 0.125 and 0.086 dia.
Polyimide (350°C) on 0.098 dia.

Lead Materials
Nickel-coated copper-insulated as follows:
22/28 AWG Fiberglass rated to 510°C (950°F)
for 0.187/0.125 diameter
22/28 AWG TFE Teflon® rated to 260°C(500°F)
for 0.187/0.125 and 0.098 diameter
28 AWG Kapton® rated to 350°C(660°F)
for 0.098/0.086 diameters

   

Teflon® is a registered trademark of the DuPont Corporation.


Ordering Specifications

  29226    <0.187" dia. x 0.6" long alumina  w/22 AWG Teflon® leads, 260°C (500°F)
  29227    <0.187" dia. x 0.6" long alumina  w/22 AWG fiberglass leads, 510°C (950°F)
  29228    <0.125" dia. x 0.6" long alumina  w/28 AWG Teflon® leads, 260°C (500°F)
  29229    <0.125" dia. x 0.6" long alumina  w/28 AWG fiberglass leads, 510°C (950°F), 3 wire maximum
  29326    <0.086" dia. x 0.6" long alumina w/28 AWG Kapton® leads, 350°C (660°F), 2 wire only
 
     RESISTANCE SPECIFICATION @ 0°C
     T01    100 Ω ± 0.12 Ω @ 0°C (α = 0.00385 Ω/Ω/°C)
     T10    1000 Ω ± 1.2 Ω @ 0°C (α = 0.00385 Ω/Ω/°C)
     T05    500.00 Ω ± 0.60 Ω @ 0°C (α = 0.00385 Ω/Ω/°C)
     T100    10000.00 Ω ± 12.0 Ω @ 0°C (α = 0.00385 Ω/Ω/°C), (29227 only)
     A01   100.00 Ω ± 0.06 Ω @ 0°C (α = 0.00385 Ω/Ω/°C), (29228,29229 only)
     A10   1000.00 Ω ± 0.60 Ω @ 0°C (α = 0.00385 Ω/Ω/°C), (29228,29229 only)
 
      NUMBER OF LEADS:
       A         2 wire
       B         3 wire
       C         4 wire: 29226, 29227, 29228 only
 
   LEAD LENGTH in inches (12 inches Standard)
29226
T01
B
72
 Typical write-up for 29226
29326
T10
A
24
 Typical write-up for 29326

PNs 29362, 29364

RdF’s ultra-small diameter miniature RTD probes demonstrate a super fast response time. These ready-to-use and small components have robust internal construction to assure reliable rugged embedment, insertion or higher-tier probe assembly.

Precision diameters are 0.066” max. stainless steel and 0.086” max. alumina and rated to 510°C(950°F).

Dimensional Drawings



Performance Specifications

   
 

Temperature Range
Teflon® leads: -50°C to 200°C (-60°F to 390°F),
Kepton® leads: -200°C to 350°C(-320°F to 660°F)
Fiberglass leads: -75°C to 510°C(-100°F to 950°F)

Sensing Element
International grade IEC 751 thin film platinum,
α=0.00385 Ω/Ω/°C

Ice Point Resistance
100±0.12 or 1000±1.2;
International class B:(±0.12%)

Time Constant (Water at 3ft/second)
0.066 Diameter = 0.4 seconds
0.086 Diameter = 0.6 seconds

Self-Heating
> 15mW/°C

Interchangeability
±(0.3°C + 0.005|t|°C),
IEC 751 Class B, above -50°C

Long Term Stability
Better than 0.05°C (0.02% of resistance) per 5 years.
-60°C to 300 °C, 0.25°C per year to 510°C

Insulation Resistance
>50 Megohms at 50VDC at 25&Deg;C

 

Maximum Current
100 = 5mA, 1000 = 2mA for limited self heating
also suitable as self-heated sensors

Recommended Current
1 mA maximum for temperature sensing

Pressure Seal
Moisture proof model 29348 withstands 300psi

Case Material
316 stainless steel on 0.066" diameter
Alumina on 0.086" diameter

Lead Materials
Stranded or solid copper, plated, imsulated and temperature rated as folows:

  • 30 AWG solid, nickel plated, two-wire cable with
    fiberglass over each lead, natural and black
    fiberglass overall, 510°C(950°F) for both sizes

   

Teflon® is a registered trademark of the DuPont Corporation.


Ordering Specifications

   29362    <0.066" diameter x 0.6" long SST, 30 AWG cable, fiberglass over each /fiberglass overall 510°C (950°F)
   29364   <0.086" diameter x 0.6" long alumina, 30 AWG cable, fiberglass over each/fiberglass overall, 510°C (950°F)
 
     RESISTANCE SPECIFICATION @ 0°C
     T01   100 Ω ±0.12 Ω (α = 0.00385 Ω/Ω/°C International Grade IEC 751 Class B)
     T10   1000 Ω ±1.2 Ω (α = 0.00385 Ω/Ω/°C International Grade IEC 751 Class B)
 
      LEAD LENGTH in inches (12" std)
 
 
29362
T01
60
Typical write-up for 29362

Available now from our Webstore:

High-Temp Insertion Capsule Platinum RTD (0.066" dia.) (RdF Model 29362)
from $235.00

These platinum RTD Capsules deliver stable, accurate temperature measurement in environments as hot as 510°C (950°F). Precision ultra-small diameter and low mass result in a super fast response time. Leads are welded and anchored to the element, adding durability. Please contact factory if desired lead length or resistance is not available online.

Insertion Capsule Platinum RTD (0.125" dia.) (RdF Models 29228 & 29229)
from $145.00

Ready-to-use platinum RTD Capsules have insulated lead wires welded and anchored internally. No splicing to fragile elements is required. This construction assures reliable rugged embedment, insertion or probe assembly. Fit in precision diameter. Standard sensors and encapsulation materials.