DATA SHEET R-MICRO
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Small:
Small size fits tight places
Fast:
Low mass means quick response
Accurate:
Platinum sensor offers greatest stability
Wide Range:
Accurate temperature measurement from -200°C to 510°C
Durable:
Lead wires are welded and anchored
 
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To satisfy the demand for smaller components, RdF has introduced ultra-small diameter RTD capsules with a super fast response time. These ready to use platinum RTD Micro-Capsules have two insulated lead wires welded and anchored internally. This construction assures reliable rugged embedment, insertion or probe assembly. Precision diameters are 0.066” max. stainless steel and 0.086” max. alumina. One version of each is rated to 510°C (950°F). Choose a moisture rated version for condensing conditions. Model 29348 will also withstand shallow immersion.

RdF's laser welding capabilities and engineering support incorporate sensors into sophisticated housings.

Temperature Range
Teflon® leads: -50°C to 200°C (-60°F to 390°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)
Sensing Element
International grade IEC 751 thin film platinum,
a=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/sec)
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°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 Materials
316 stainless steel on 0.066" diameter
Alumina on 0.086" diameter
Lead Materials
Stranded or solid copper, plated, insulated
and temperature rated as follows:
• 34 AWG stranded, silver plated, PTFE Teflon®,
white, 200°C (390°F) for 0.066 diameter
• 30 AWG stranded, silver plated, PTFE Teflon®,
white, 200°C (390°F) for 0.086 diameter
• 28 AWG stranded, nickel plated, Kapton®,
natural, 350°C (660°F) for 0.086 diameter
• 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® and Kapton® are registered trademarks of Dupont
 
   29348   Moisture Proof, <0.066" diameter x 0.6" long SST with individual 34 AWG PTFE Teflon® leads, 200°C (390°F)
   29362   <0.066" diameter x 0.6" long SST, 30 AWG cable, fiberglass over each/fiberglass overall, 510°C (950°F)
   29363   Moisture Resistant, <0.086" diameter x 0.6" long alumina, individual 30 AWG PTFE Teflon® leads, 200°C (390°F)
   29326   <0.086" diameter x 0.6" long alumina with individual 28 AWG Kapton® leads, 350°C (660°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 (a = 0.00385 Ω/Ω/°C International Grade IEC 751 Class B)
     T10   1000 Ω ±1.2 Ω (a = 0.00385 Ω/Ω/°C International Grade IEC 751 Class B)
 
      LEAD LENGTH in inches (12" std)
 
 
 
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29348
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T10
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12
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– Typical write-up for 29348 _
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29362
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T01
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60
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– Typical write-up for 29362