Landcal Blackbody Source
Type R1500T
User Guide
Page 4
3 Specification
Maximum working temperature: 1500°C/2750°F
Heating rate: 30 mins to 1450°C/2650°F
Recommended temperature range: 500°C/950°F to 1500°C/2750°F
Stability: Radiance temperature variation <±1K (±2°F) over
a 30 minute period
Uniformity: The temperature gradients across the middle
40mm of the 45mm cavity are within ±2°C at
500°C, and within ±1°C at 1500°C
Radiation cavity
Material: Silicon carbide
Design: Cylinder with 120° conical end
Inner diameter: 45mm/1.8in
Internal length: 100mm/4.0 in. When the radiation cavity is
installed in the source, the distance from front
face to cone point is 145mm/5.7in
External aperture: Approx. 38mm/1.5in.
Emissivity: Approximately 0.99 at short wavelengths
Resistance heating elements: 220V/240V source. 6 off, SiC type
14/175/315.D.5/7.0
Part Nº 135.160
110V/120V source. 6 off, SiC type
14/175/315.D.5/5.5
Part Nº 135.162
Controller: Eurotherm 3216 with RS 232 serial interface
Electrical supply: 220/240V a.c. 50/60 Hz Part Number
135.191
110/120V a.c. 50/60 Hz Part Number
135.180
Power consumption: 3.0 kW
Overall dimensions
Height: 540mm/21.3in
Width: 350mm/13.8in (upper case)
380mm/15.0in (lower case)
Depth: 500mm/19.7in
Bench to cavity centre height: 355mm/14.0in
Weight:
Nett: 26kg/57 lbs
Gross: 32kg/77 lbs
Uncertainty (with UKAS Certicate) 500°C to 1500°C: ±3 to ±3.5°C/±6 to ±7°F
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