Standard platinum resistance thermometer R800 series (Some are Japan Only)

The R800 series is a standard platinum resistance thermometer development based on the 1990 International Temperature scale (ITS-90) under the guidance of the National Institute of Metrology, Agency of Industrial Science and Technology.
The R800-3T has significantly improved stability and repeatability by improving the temperature sensor structure from the previous model R800-3L.

For traceable temperature and humidity measurement and maintaining sensor accuracy

  • Covers everything from the vapor pressure point of helium to the freezing point of silver
  • Up to four constituent can be measured simultaneously
  • A wide range of models available, including low temperature and high temperature models
  • Fixed-point calibration and precision comparison calibration also available
  • stability of silver point (962℃) measurement has been verified by the National Institute development Industrial Science and Technology.

Specifications

Model list

Models Type
R800-0 Standard platinum resistance thermometer for low temperatures (Japan Only)  
R800-2 Standard platinum resistance thermometer for medium temperature (Japan Only) 
R800-3 Standard platinum resistance thermometer for high temperatures (Japan Only) 
R800-3T Low-resistance standard platinum resistance thermometer for high temperatures
R800-4 Platinum-cobalt resistance thermometer for cryogenic temperatures (Japan Only) 

Specifications

Models R800-0 R800-2 R800-3 R800-3T R800-4
Measurement range 13K to 30℃ 73K to 661℃ 0℃~962℃ 4K to 0℃
Resistance value (at 0℃) 25.5Ω±1Ω 2.55Ω±0.1Ω 0.25Ω±0.01Ω 100Ω±4Ω
Measurement current 1mA 10mA 1mA
Temperature characteristic R(-38.8344℃)/R(0.01℃)≦0.844235 R(29.7646℃)/R(0.01℃)≧1.11807 R(29.7646℃)/ R(0.01℃)≧1.11807
and
R(961.78℃)/R(0.01℃)≧4.2844
Sensitivity 0.1Ω/K 0.01Ω/K 1mΩ/K Min 0.09Ω/K (at 12K)
Max 0.40Ω/K
Filled Gas Helium gas Argon/oxygen gas mixture Helium gas
Connection Leads 4-wire type
Platinum Wire
φ0.3mm
x35mm
4-wire type
Captive cord 2m
Gold-plated terminal
4-wire type
Platinum Wire
φ0.3mm
x35mm
Winding frame Cruciform Quartz Cruciform Quartz
Protective tube Capsule Shape
Platinum sheath
φ5×43mm
Quartz Surface
Matte
(φ7.0±0.5)
×600mm
Quartz Surface
Matte
(φ7.0±0.5)
×700mm
Capsule Shape
Platinum sheath
φ5×43mm

Download Documents & Softwares

Catalog

Specification Sheet (PS Sheet)

  • Standard Temperature Sensor
    ファイルサイズ2MB
    Document No.
    PE-15-8
  • English) R800 Standard Platinum resistance thermometer
    ファイルサイズ1MB
    Document No.
    PSE-253

CAD Data

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Instruction Manual

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Softwares

Application Examples

Related Info

Movie

FAQ

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 please feel free to contact us.

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