,

Chino R800 Series Standard Platinum Resistance Thermometers

Made in Japan
Manufacturer: Chino Corporation
Model: R800 Series

Models

Models

Types

R800-0Standard platinum resistance thermometer for low temperature
R800-2Standard platinum resistance thermometer for medium temperature
R800-3Standard platinum resistance thermometer for high temperature
R800-3TLow resistance type standard platinum resistance thermometer for high temperature
R800-4Platinum-Cobalt resistance thermometer for cryogenic temperature

Features

  • The thermometers cover from vapor point of helium to freezing point of silver.
  • Various models are prepared for low temperature and high temperature.
  • Fixed point calibration and precision comparison calibration are available.

Specifications

R800 Series

ModelR800-0R800-2R800-3R800-3TR800-4
Measuring range13K to 30°C73K to 661°C0°C to 962°C4K to 0°C
Resistance value
(at 0°C)
25.5Ω±1Ω2.55Ω±0.1Ω0.25Ω± 0.01Ω100Ω± 4Ω
Measuring current1mA10mA1mA
Temperature characteristicR(-38.8344°C)/
R(0.01°C)
≧0.844235
R(29.7646°C)/
R(0.01°C)
≧0.844235
R(29.7646°C)/R(0.01°C)
≧1.11807
and
R(961.78°C)/R(0.01°C)
≧4.2844
Sensitivity0.1Ω/K0.01Ω/K1mΩ/KMin. 0.09Ω/K
(at 12K)
Max. 0.40Ω/K
Sealed gasHelium gasMixture gas (argon and oxygen)Helium gas
Connecting lead wire4-conductor type platinum wire
Φ0.3mm x 35mm
4-conductor type cabtyre cord 2m with gold plated4-conductor type platinum wire
Φ0.3mm x 35mm
FrameCross quartzCross quartz
Protection tubeCapsule type platinum sheath
Φ5mm x 43mm
Delustered quartz tube
(Φ7.0 ± 0.5mm) x 600mm
Delustered quartz tube
(Φ7.0 ± 0.5mm) x 700mm
Capsule type platinum sheath
Φ5mm x 43mm

REQUEST QUOTATION

PAYMENT

payment-methods

Return Top