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Platinum Resistance Bulbs (Pt-100)

ESD offers Platinum resistance bulbs (Pt 100) in simplex & duplex types having variety of shapes, sizes & construction to meet every application. Pt 100 is Resistance Temperature Detector (RTD) with positive temperature coefficient which changes its resistance proportional to the temperature as per the chart given below. These are most stable, accurate and linear temperature sensors.
Category:

Product Description

  • Type
  • Platinum Resistance Bulb
  • Reference standard
  • As per DIN 43760
  • Element
  • Simplex / Duplex
  • Insulation
  • Ungrounded / Grounded / Exposed
  • Connection head
  • Weatherproof / Flameproof / Without head
  • Sheath Diameter
  • 2 / 3 / 5 / 6 / 8 / 10 / 12 / 19 mm
  • Sheath Length
  • 50 to 3000 mm
  • Sheath Material
  • Brass / SS 316 / Ceramic / Copper / SS310 / Glass / SS 304 / Inconel
  • Sensitive Length
  • 60 mm from bottom
  • Mounting
  • 1/4,1/2,3/4,1 inch BSP or NPT male/female, 1/4,1/2,3/4,1 inch BSP or NPT fixed threads Adjustable Flange
  • Connecting system
  • 3 Wire
  • Lead wire
  • Type and length on demand
  • Termination
  • 3 way PUT/ 6 way PBT
  • Service Temp.
  • Minus 150 to 400 °C
  • Max. Temp. (Tmax)
  • 500 °C
  • Temp. Coefficient
  • 0.385 ohms / °C
  • Accuracy
  • +/- 0.5 % of Tmax for Class
  • Element wattage
  • 0.25W
  • Response Time
  • 20 sec for 80 % of reading
  • Self heating error
  • 0.01 °C / mA excitation