校准源 M305

Compact, general purpose blackbody calibration source for medium temperatures.
Temperature range: 100 ... 1000 °C (212 ... 1832 °F).

校准源 M305

Key Features

  • Easily moved when needed. Weighs only 25 kg. (55 pounds)
  • High accuracy ±0.2% of reading ±1 °C
  • High emissivity 1.0 effective @ 0.7 ... 1.8 µm T>=230°C, 1.0 @ 8 ... 14 µm T<230°C
  • Manufactured and tested to meet rigid quality control standards
  • Furnished with certificate of calibration traceable to NIST
  • RS232 (standard) or RS485 (optional) serial communications port

Details

The M305 blackbody calibration source uniquely combines portability with wide temperature range, high emissivity and high accuracy. It is an ideal calibration unit where portability is required or where installation space is limited. Its spherical, metal cavity design yields an emissivity of 0.995 over the temperature range of 100 to 1000 °C (212° to 1832 °F) with an aperture of 25 mm (1”). An integrally mounted PID controller adds to the unique versatility of this calibrator.

Quotations for custom designs and variations are available upon request.

Typical Calibration Applications

  • Sapphire Probe Optical Pyrometer Calibrations
  • Infrared Temperature Sensors
  • Infrared Thermal Imaging Systems
  • Spectrographic Analyzers
  • Radiometers
  • Flux Meters

资料

Technical Specifications

Measurement Specifications
Temperature Range: 100 ... 1000 °C (210 ... 1832 °F)
Temperature Uncertainty1: ± 0.2% of reading ± 1 °C
Temperature Resolution: 0.1 °C
Stability2: 1 °C per 8 hour period
Source Non-Uniformity: ± 0.2 °C typical @ T < 230 °C, ± 1 °C
typical at T > 230 °C
Heated Cavity Shape: Spherical
Exit Port Diameter: 25.4 mm (1.0”)
Emissivity: 0.995 ± 0.0005 (calculated from cavity
shape)
Effective Emissivity: 1.00 @ 8 ... 14 μm
T < 230 °C, 1.00 @ 0.7 ... 1.8 μm
T > 230 °C
Standard calibration method: Radiometric
Temperature Sensor: Thermocouple
Warm-up Time: 60 minutes from ambient to 700 °C
Slew Rate to 1 °C Stability: ~ 11 °C / min for Amb < T < 200 °C
~ 20 °C / min for Amb < T < 800 °C
~ 10 °C / min for T > 900 °C
Slew Rate to 0.1 °C Stability: 1 hour between setpoints
Communication / Interface
Remote Set Point: Via serial port
Method of Control: Digital self tuning PID Controller
Environmental Specifications
Operating Ambient Temperature: 0 ... 44 °C (32 ... 110 °F)
Cooling: Fan cooled, air inlet on rear panel
Operating Humidity: 90% RH max, non-condensing
Dimensions (H x W x D): 270 mm x 430 mm x 370 mm
(10.6” x 16.9” x 14.6”)
Weight: 25 kg (55 lbs)
CE Certified: Yes
Electrical  
Power Requirements: 115 V AC @ 50 & 60 Hz or 230 V AC
@ 50 & 60 Hz, 1000W

1 Accuracy calibration performed radiometrically, the uncertainty of emissivity and transfer standard are already included.
2 Provided stable AC mains voltage and minimum air flow across the exit port or emitter plate.

 

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