Черное тело Модель M340

Portable Sub-zero Temperature, High Resolution Blackbody Calibration Source

Compact, portable, for low temperatures. Very good temperature stability. -20 … 150 ºC

Calibration source M340 View

Key Features

  • Compact, lightweight
  • Exceptional accuracy ±1 °C
  • High stability ±0.1 °C per 8 hour period
  • High effective emissivity  1.0 at 8-14 um
  • Very fast slew rates – heat/cool
  • 51 mm (2”) aperture diameter
  • High uniformity
  • Easy to operate
  • Manufactured and tested to meet rigid quality control standards
  • Furnished with certificate of calibration traceable to NIST
  • RS232 (standard) 

Details

The M340 is a portable blackbody calibration source utilizing a digital indicating temperature controller that may be set to any temperature between -20 °C to 150 °C (-4 °F to 300 °F). The thermoelectric heating/cooling mechanism is utilized to achieve a compact and easy-to-use blackbody source.

A precision RTD temperature sensor is embedded in the blackbody emitter providing high accuracy and repeatability. The temperature controller uses the industry standard PID algorithms to control the emitter temperature to within +/-0.1 °C. The blackbody emitter mechanism uses a solid state thermoelectric heating and cooling device that provides long life, short stabilization times and stable temperature control. The most important features of the M340 is the ability to achieve temperatures below ambient (cooling) and the fast response times between temperature set points.

Temperature set points are altered simply by pressing the up or down arrow buttons on the controller. The lower display (green) is the set point and the upper display (red) is the actual blackbody emitter temperature.

Typical Calibration Applications

  • Infrared Temperature Sensors
  • Infrared Thermal Imaging Systems
  • Spectrographic Analyzers
  • Radiometers
  • Flux Meters 

документация

M340 SPECIFICATIONS

Temperature Range: -20 °C to 150 °C
Temperature Uncertainty
(radiometric calibration):
±1 °C at 8-14 µm
Accuracy:** ±1 °C at 8-14 µm
Temperature Resolution: 0.1 °C
Stability: ±0.1 °C per 8 hour period
Cavity: Flat Plate
Emitter Diameter: 2.00” (51 mm)
Emitter Non-uniformity:* ±0.2 °C less than 100 °C , 0.4 °C greater than 100 °C
Apparent Emissivity: 1.0 at 8-14 µm 
Calibration Method: Radiometric (Pyrometric)
Temperature Sensor: Precision Platinum RTD
Remote Set Point: Via RS 232
Method of Control: Digital Self tuning PID controller
Warm-up Time: 6 minutes from ambient to –15 °C or 100 °C
Operating Ambient Temp: 5 °C to 40 °C
Operating Humidity:

90% RH max, non-condensing in heating mode. RH and setpoint temperature must be less than environment dew point when in cooling mode.

Cooling: Peltier Modules for heating and cooling
Power Requirements: 115V AC ±50%  50/60 Hz, 300W maximum (optional 100 or 230V AC)
Dimensions (H x W x D): 167 mm x 280 mm x 280 mm (6.5” x 11.0” x 11.0”)
Weight: 7.1 kg  (15.6 lbs.)
CE Certified: Yes

* Emitter uniformity is defined for 1.6” (40 mm) diameter of central area

         ** Accuracy is defined for ambient temperature of 18 °C to 23 °C

         + See Appendix for determining accuracy at wavelengths other than 8-14um region and types of calibration available.

 

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